diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
42 files changed, 1446 insertions, 957 deletions
diff --git a/drivers/gpu/drm/omapdrm/Kconfig b/drivers/gpu/drm/omapdrm/Kconfig index e7281da5bc6a..9d4016bd0f44 100644 --- a/drivers/gpu/drm/omapdrm/Kconfig +++ b/drivers/gpu/drm/omapdrm/Kconfig @@ -1,10 +1,14 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_OMAP tristate "OMAP DRM" - depends on DRM - depends on ARCH_OMAP2PLUS || ARCH_MULTIPLATFORM - select OMAP2_DSS + depends on MMU + depends on DRM && OF + depends on ARCH_OMAP2PLUS || (COMPILE_TEST && PAGE_SIZE_LESS_THAN_64KB) + select DRM_CLIENT_SELECTION select DRM_KMS_HELPER + select DRM_DISPLAY_HELPER + select DRM_BRIDGE_CONNECTOR + select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION select VIDEOMODE_HELPERS select HDMI default n diff --git a/drivers/gpu/drm/omapdrm/Makefile b/drivers/gpu/drm/omapdrm/Makefile index 21e8277ff88f..710b4e0abcf0 100644 --- a/drivers/gpu/drm/omapdrm/Makefile +++ b/drivers/gpu/drm/omapdrm/Makefile @@ -9,6 +9,7 @@ omapdrm-y := omap_drv.o \ omap_debugfs.o \ omap_crtc.o \ omap_plane.o \ + omap_overlay.o \ omap_encoder.o \ omap_fb.o \ omap_gem.o \ diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 050ca7eafac5..a4ac113e1690 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -139,21 +139,13 @@ static bool omapdss_device_is_connected(struct omap_dss_device *dssdev) } int omapdss_device_connect(struct dss_device *dss, - struct omap_dss_device *src, struct omap_dss_device *dst) { - dev_dbg(&dss->pdev->dev, "connect(%s, %s)\n", - src ? dev_name(src->dev) : "NULL", + dev_dbg(&dss->pdev->dev, "connect(%s)\n", dst ? dev_name(dst->dev) : "NULL"); - if (!dst) { - /* - * The destination is NULL when the source is connected to a - * bridge instead of a DSS device. Stop here, we will attach - * the bridge later when we will have a DRM encoder. - */ - return src && src->bridge ? 0 : -EINVAL; - } + if (!dst) + return -EINVAL; if (omapdss_device_is_connected(dst)) return -EBUSY; @@ -163,19 +155,14 @@ int omapdss_device_connect(struct dss_device *dss, return 0; } -void omapdss_device_disconnect(struct omap_dss_device *src, +void omapdss_device_disconnect(struct dss_device *dss, struct omap_dss_device *dst) { - struct dss_device *dss = src ? src->dss : dst->dss; - - dev_dbg(&dss->pdev->dev, "disconnect(%s, %s)\n", - src ? dev_name(src->dev) : "NULL", + dev_dbg(&dss->pdev->dev, "disconnect(%s)\n", dst ? dev_name(dst->dev) : "NULL"); - if (!dst) { - WARN_ON(!src->bridge); + if (WARN_ON(!dst)) return; - } if (!dst->id && !omapdss_device_is_connected(dst)) { WARN_ON(1); @@ -242,8 +229,7 @@ static void omapdss_walk_device(struct device *dev, struct device_node *node, of_node_put(n); - n = NULL; - while ((n = of_graph_get_next_endpoint(node, n)) != NULL) { + for_each_endpoint_of_node(node, n) { struct device_node *pn = of_graph_get_remote_port_parent(n); if (!pn) diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 5619420cc2cc..cf055815077c 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -22,11 +22,11 @@ #include <linux/hardirq.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/sizes.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/component.h> #include <linux/sys_soc.h> #include <drm/drm_fourcc.h> @@ -92,6 +92,8 @@ struct dispc_features { u8 mgr_height_start; u16 mgr_width_max; u16 mgr_height_max; + u16 ovl_width_max; + u16 ovl_height_max; unsigned long max_lcd_pclk; unsigned long max_tv_pclk; unsigned int max_downscale; @@ -522,7 +524,7 @@ static void dispc_save_context(struct dispc_device *dispc) DSSDBG("context saved\n"); } -static void dispc_restore_context(struct dispc_device *dispc) +static noinline_for_stack void dispc_restore_context(struct dispc_device *dispc) { int i, j; @@ -689,11 +691,6 @@ u32 dispc_mgr_get_sync_lost_irq(struct dispc_device *dispc, return mgr_desc[channel].sync_lost_irq; } -u32 dispc_wb_get_framedone_irq(struct dispc_device *dispc) -{ - return DISPC_IRQ_FRAMEDONEWB; -} - void dispc_mgr_enable(struct dispc_device *dispc, enum omap_channel channel, bool enable) { @@ -724,30 +721,6 @@ void dispc_mgr_go(struct dispc_device *dispc, enum omap_channel channel) mgr_fld_write(dispc, channel, DISPC_MGR_FLD_GO, 1); } -bool dispc_wb_go_busy(struct dispc_device *dispc) -{ - return REG_GET(dispc, DISPC_CONTROL2, 6, 6) == 1; -} - -void dispc_wb_go(struct dispc_device *dispc) -{ - enum omap_plane_id plane = OMAP_DSS_WB; - bool enable, go; - - enable = REG_GET(dispc, DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1; - - if (!enable) - return; - - go = REG_GET(dispc, DISPC_CONTROL2, 6, 6) == 1; - if (go) { - DSSERR("GO bit not down for WB\n"); - return; - } - - REG_FLD_MOD(dispc, DISPC_CONTROL2, 1, 6, 6); -} - static void dispc_ovl_write_firh_reg(struct dispc_device *dispc, enum omap_plane_id plane, int reg, u32 value) @@ -853,11 +826,6 @@ struct csc_coef_yuv2rgb { bool full_range; }; -struct csc_coef_rgb2yuv { - int yr, yg, yb, cbr, cbg, cbb, crr, crg, crb; - bool full_range; -}; - static void dispc_ovl_write_color_conv_coef(struct dispc_device *dispc, enum omap_plane_id plane, const struct csc_coef_yuv2rgb *ct) @@ -1279,8 +1247,8 @@ static u32 dispc_ovl_get_burst_size(struct dispc_device *dispc, return dispc->feat->burst_size_unit * 8; } -static bool dispc_ovl_color_mode_supported(struct dispc_device *dispc, - enum omap_plane_id plane, u32 fourcc) +bool dispc_ovl_color_mode_supported(struct dispc_device *dispc, + enum omap_plane_id plane, u32 fourcc) { const u32 *modes; unsigned int i; @@ -1501,17 +1469,6 @@ void dispc_ovl_set_fifo_threshold(struct dispc_device *dispc, min(high, 0xfffu)); } -void dispc_enable_fifomerge(struct dispc_device *dispc, bool enable) -{ - if (!dispc_has_feature(dispc, FEAT_FIFO_MERGE)) { - WARN_ON(enable); - return; - } - - DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled"); - REG_FLD_MOD(dispc, DISPC_CONFIG, enable ? 1 : 0, 14, 14); -} - void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc, enum omap_plane_id plane, u32 *fifo_low, u32 *fifo_high, @@ -2449,7 +2406,7 @@ static int dispc_ovl_calc_scaling_44xx(struct dispc_device *dispc, *decim_x = DIV_ROUND_UP(width, in_width_max); - *decim_x = *decim_x > decim_x_min ? *decim_x : decim_x_min; + *decim_x = max(*decim_x, decim_x_min); if (*decim_x > *x_predecim) return -EINVAL; @@ -2487,6 +2444,11 @@ static int dispc_ovl_calc_scaling_44xx(struct dispc_device *dispc, return 0; } +enum omap_overlay_caps dispc_ovl_get_caps(struct dispc_device *dispc, enum omap_plane_id plane) +{ + return dispc->feat->overlay_caps[plane]; +} + #define DIV_FRAC(dividend, divisor) \ ((dividend) * 100 / (divisor) - ((dividend) / (divisor) * 100)) @@ -2599,6 +2561,12 @@ static int dispc_ovl_calc_scaling(struct dispc_device *dispc, return 0; } +void dispc_ovl_get_max_size(struct dispc_device *dispc, u16 *width, u16 *height) +{ + *width = dispc->feat->ovl_width_max; + *height = dispc->feat->ovl_height_max; +} + static int dispc_ovl_setup_common(struct dispc_device *dispc, enum omap_plane_id plane, enum omap_overlay_caps caps, @@ -2806,95 +2774,6 @@ int dispc_ovl_setup(struct dispc_device *dispc, return r; } -int dispc_wb_setup(struct dispc_device *dispc, - const struct omap_dss_writeback_info *wi, - bool mem_to_mem, const struct videomode *vm, - enum dss_writeback_channel channel_in) -{ - int r; - u32 l; - enum omap_plane_id plane = OMAP_DSS_WB; - const int pos_x = 0, pos_y = 0; - const u8 zorder = 0, global_alpha = 0; - const bool replication = true; - bool truncation; - int in_width = vm->hactive; - int in_height = vm->vactive; - enum omap_overlay_caps caps = - OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA; - - if (vm->flags & DISPLAY_FLAGS_INTERLACED) - in_height /= 2; - - DSSDBG("dispc_wb_setup, pa %x, pa_uv %x, %d,%d -> %dx%d, cmode %x, " - "rot %d\n", wi->paddr, wi->p_uv_addr, in_width, - in_height, wi->width, wi->height, wi->fourcc, wi->rotation); - - r = dispc_ovl_setup_common(dispc, plane, caps, wi->paddr, wi->p_uv_addr, - wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width, - wi->height, wi->fourcc, wi->rotation, zorder, - wi->pre_mult_alpha, global_alpha, wi->rotation_type, - replication, vm, mem_to_mem, DRM_COLOR_YCBCR_BT601, - DRM_COLOR_YCBCR_LIMITED_RANGE); - if (r) - return r; - - switch (wi->fourcc) { - case DRM_FORMAT_RGB565: - case DRM_FORMAT_RGB888: - case DRM_FORMAT_ARGB4444: - case DRM_FORMAT_RGBA4444: - case DRM_FORMAT_RGBX4444: - case DRM_FORMAT_ARGB1555: - case DRM_FORMAT_XRGB1555: - case DRM_FORMAT_XRGB4444: - truncation = true; - break; - default: - truncation = false; - break; - } - - /* setup extra DISPC_WB_ATTRIBUTES */ - l = dispc_read_reg(dispc, DISPC_OVL_ATTRIBUTES(plane)); - l = FLD_MOD(l, truncation, 10, 10); /* TRUNCATIONENABLE */ - l = FLD_MOD(l, channel_in, 18, 16); /* CHANNELIN */ - l = FLD_MOD(l, mem_to_mem, 19, 19); /* WRITEBACKMODE */ - if (mem_to_mem) - l = FLD_MOD(l, 1, 26, 24); /* CAPTUREMODE */ - else - l = FLD_MOD(l, 0, 26, 24); /* CAPTUREMODE */ - dispc_write_reg(dispc, DISPC_OVL_ATTRIBUTES(plane), l); - - if (mem_to_mem) { - /* WBDELAYCOUNT */ - REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0); - } else { - u32 wbdelay; - - if (channel_in == DSS_WB_TV_MGR) - wbdelay = vm->vsync_len + vm->vback_porch; - else - wbdelay = vm->vfront_porch + vm->vsync_len + - vm->vback_porch; - - if (vm->flags & DISPLAY_FLAGS_INTERLACED) - wbdelay /= 2; - - wbdelay = min(wbdelay, 255u); - - /* WBDELAYCOUNT */ - REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0); - } - - return 0; -} - -bool dispc_has_writeback(struct dispc_device *dispc) -{ - return dispc->feat->has_writeback; -} - int dispc_ovl_enable(struct dispc_device *dispc, enum omap_plane_id plane, bool enable) { @@ -3734,23 +3613,6 @@ void dispc_mgr_set_clock_div(struct dispc_device *dispc, cinfo->pck_div); } -int dispc_mgr_get_clock_div(struct dispc_device *dispc, - enum omap_channel channel, - struct dispc_clock_info *cinfo) -{ - unsigned long fck; - - fck = dispc_fclk_rate(dispc); - - cinfo->lck_div = REG_GET(dispc, DISPC_DIVISORo(channel), 23, 16); - cinfo->pck_div = REG_GET(dispc, DISPC_DIVISORo(channel), 7, 0); - - cinfo->lck = fck / cinfo->lck_div; - cinfo->pck = cinfo->lck / cinfo->pck_div; - - return 0; -} - u32 dispc_read_irqstatus(struct dispc_device *dispc) { return dispc_read_reg(dispc, DISPC_IRQSTATUS); @@ -4240,6 +4102,8 @@ static const struct dispc_features omap24xx_dispc_feats = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .ovl_width_max = 2048, + .ovl_height_max = 2048, .max_lcd_pclk = 66500000, .max_downscale = 2, /* @@ -4278,6 +4142,8 @@ static const struct dispc_features omap34xx_rev1_0_dispc_feats = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .ovl_width_max = 2048, + .ovl_height_max = 2048, .max_lcd_pclk = 173000000, .max_tv_pclk = 59000000, .max_downscale = 4, @@ -4313,6 +4179,8 @@ static const struct dispc_features omap34xx_rev3_0_dispc_feats = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .ovl_width_max = 2048, + .ovl_height_max = 2048, .max_lcd_pclk = 173000000, .max_tv_pclk = 59000000, .max_downscale = 4, @@ -4348,6 +4216,8 @@ static const struct dispc_features omap36xx_dispc_feats = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .ovl_width_max = 2048, + .ovl_height_max = 2048, .max_lcd_pclk = 173000000, .max_tv_pclk = 59000000, .max_downscale = 4, @@ -4383,6 +4253,8 @@ static const struct dispc_features am43xx_dispc_feats = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .ovl_width_max = 2048, + .ovl_height_max = 2048, .max_lcd_pclk = 173000000, .max_tv_pclk = 59000000, .max_downscale = 4, @@ -4418,6 +4290,8 @@ static const struct dispc_features omap44xx_dispc_feats = { .mgr_height_start = 26, .mgr_width_max = 2048, .mgr_height_max = 2048, + .ovl_width_max = 2048, + .ovl_height_max = 2048, .max_lcd_pclk = 170000000, .max_tv_pclk = 185625000, .max_downscale = 4, @@ -4457,8 +4331,10 @@ static const struct dispc_features omap54xx_dispc_feats = { .mgr_height_start = 27, .mgr_width_max = 4096, .mgr_height_max = 4096, + .ovl_width_max = 2048, + .ovl_height_max = 4096, .max_lcd_pclk = 170000000, - .max_tv_pclk = 186000000, + .max_tv_pclk = 192000000, .max_downscale = 4, .max_line_width = 2048, .min_pcd = 1, @@ -4725,7 +4601,6 @@ static int dispc_bind(struct device *dev, struct device *master, void *data) struct dispc_device *dispc; u32 rev; int r = 0; - struct resource *dispc_mem; struct device_node *np = pdev->dev.of_node; dispc = kzalloc(sizeof(*dispc), GFP_KERNEL); @@ -4744,14 +4619,13 @@ static int dispc_bind(struct device *dev, struct device *master, void *data) if (soc) dispc->feat = soc->data; else - dispc->feat = of_match_device(dispc_of_match, &pdev->dev)->data; + dispc->feat = device_get_match_data(&pdev->dev); r = dispc_errata_i734_wa_init(dispc); if (r) goto err_free; - dispc_mem = platform_get_resource(dispc->pdev, IORESOURCE_MEM, 0); - dispc->base = devm_ioremap_resource(&pdev->dev, dispc_mem); + dispc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(dispc->base)) { r = PTR_ERR(dispc->base); goto err_free; @@ -4838,13 +4712,12 @@ static int dispc_probe(struct platform_device *pdev) return component_add(&pdev->dev, &dispc_component_ops); } -static int dispc_remove(struct platform_device *pdev) +static void dispc_remove(struct platform_device *pdev) { component_del(&pdev->dev, &dispc_component_ops); - return 0; } -static int dispc_runtime_suspend(struct device *dev) +static __maybe_unused int dispc_runtime_suspend(struct device *dev) { struct dispc_device *dispc = dev_get_drvdata(dev); @@ -4859,7 +4732,7 @@ static int dispc_runtime_suspend(struct device *dev) return 0; } -static int dispc_runtime_resume(struct device *dev) +static __maybe_unused int dispc_runtime_resume(struct device *dev) { struct dispc_device *dispc = dev_get_drvdata(dev); @@ -4887,14 +4760,13 @@ static int dispc_runtime_resume(struct device *dev) } static const struct dev_pm_ops dispc_pm_ops = { - .runtime_suspend = dispc_runtime_suspend, - .runtime_resume = dispc_runtime_resume, + SET_RUNTIME_PM_OPS(dispc_runtime_suspend, dispc_runtime_resume, NULL) SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; struct platform_driver omap_dispchw_driver = { .probe = dispc_probe, - .remove = dispc_remove, + .remove = dispc_remove, .driver = { .name = "omapdss_dispc", .pm = &dispc_pm_ops, diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index 030f997eccd0..9f86db774c39 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -16,6 +16,7 @@ #include <linux/export.h> #include <linux/kernel.h> #include <linux/of.h> +#include <linux/of_graph.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/string.h> @@ -419,6 +420,7 @@ static void dpi_init_pll(struct dpi_data *dpi) */ static int dpi_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct dpi_data *dpi = drm_bridge_to_dpi(bridge); @@ -428,7 +430,7 @@ static int dpi_bridge_attach(struct drm_bridge *bridge, dpi_init_pll(dpi); - return drm_bridge_attach(bridge->encoder, dpi->output.next_bridge, + return drm_bridge_attach(encoder, dpi->output.next_bridge, bridge, flags); } @@ -560,7 +562,6 @@ static const struct drm_bridge_funcs dpi_bridge_funcs = { static void dpi_bridge_init(struct dpi_data *dpi) { - dpi->bridge.funcs = &dpi_bridge_funcs; dpi->bridge.of_node = dpi->pdev->dev.of_node; dpi->bridge.type = DRM_MODE_CONNECTOR_DPI; @@ -705,11 +706,11 @@ int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, u32 datalines; int r; - dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL); - if (!dpi) - return -ENOMEM; + dpi = devm_drm_bridge_alloc(&pdev->dev, struct dpi_data, bridge, &dpi_bridge_funcs); + if (IS_ERR(dpi)) + return PTR_ERR(dpi); - ep = of_get_next_child(port, NULL); + ep = of_graph_get_next_port_endpoint(port, NULL); if (!ep) return 0; diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 5f1722b040f4..b129e5a8d791 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -452,7 +452,7 @@ static irqreturn_t omap_dsi_irq_handler(int irq, void *arg) #ifdef DSI_CATCH_MISSING_TE if (irqstatus & DSI_IRQ_TE_TRIGGER) - del_timer(&dsi->te_timer); + timer_delete(&dsi->te_timer); #endif /* make a copy and unlock, so that isrs can unregister @@ -1039,22 +1039,26 @@ static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) { struct dsi_data *dsi = s->private; unsigned long flags; - struct dsi_irq_stats stats; + struct dsi_irq_stats *stats; + + stats = kmalloc(sizeof(*stats), GFP_KERNEL); + if (!stats) + return -ENOMEM; spin_lock_irqsave(&dsi->irq_stats_lock, flags); - stats = dsi->irq_stats; + *stats = dsi->irq_stats; memset(&dsi->irq_stats, 0, sizeof(dsi->irq_stats)); dsi->irq_stats.last_reset = jiffies; spin_unlock_irqrestore(&dsi->irq_stats_lock, flags); seq_printf(s, "period %u ms\n", - jiffies_to_msecs(jiffies - stats.last_reset)); + jiffies_to_msecs(jiffies - stats->last_reset)); - seq_printf(s, "irqs %d\n", stats.irq_count); + seq_printf(s, "irqs %d\n", stats->irq_count); #define PIS(x) \ - seq_printf(s, "%-20s %10d\n", #x, stats.dsi_irqs[ffs(DSI_IRQ_##x)-1]); + seq_printf(s, "%-20s %10d\n", #x, stats->dsi_irqs[ffs(DSI_IRQ_##x)-1]); seq_printf(s, "-- DSI%d interrupts --\n", dsi->module_id + 1); PIS(VC0); @@ -1078,10 +1082,10 @@ static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) #define PIS(x) \ seq_printf(s, "%-20s %10d %10d %10d %10d\n", #x, \ - stats.vc_irqs[0][ffs(DSI_VC_IRQ_##x)-1], \ - stats.vc_irqs[1][ffs(DSI_VC_IRQ_##x)-1], \ - stats.vc_irqs[2][ffs(DSI_VC_IRQ_##x)-1], \ - stats.vc_irqs[3][ffs(DSI_VC_IRQ_##x)-1]); + stats->vc_irqs[0][ffs(DSI_VC_IRQ_##x)-1], \ + stats->vc_irqs[1][ffs(DSI_VC_IRQ_##x)-1], \ + stats->vc_irqs[2][ffs(DSI_VC_IRQ_##x)-1], \ + stats->vc_irqs[3][ffs(DSI_VC_IRQ_##x)-1]); seq_printf(s, "-- VC interrupts --\n"); PIS(CS); @@ -1097,7 +1101,7 @@ static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) #define PIS(x) \ seq_printf(s, "%-20s %10d\n", #x, \ - stats.cio_irqs[ffs(DSI_CIO_IRQ_##x)-1]); + stats->cio_irqs[ffs(DSI_CIO_IRQ_##x)-1]); seq_printf(s, "-- CIO interrupts --\n"); PIS(ERRSYNCESC1); @@ -1122,6 +1126,8 @@ static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) PIS(ULPSACTIVENOT_ALL1); #undef PIS + kfree(stats); + return 0; } #endif @@ -2094,7 +2100,7 @@ static int dsi_vc_send_long(struct dsi_data *dsi, int vc, u8 b1, b2, b3, b4; if (dsi->debug_write) - DSSDBG("dsi_vc_send_long, %d bytes\n", msg->tx_len); + DSSDBG("dsi_vc_send_long, %zu bytes\n", msg->tx_len); /* len + header */ if (dsi->vc[vc].tx_fifo_size * 32 * 4 < msg->tx_len + 4) { @@ -2390,7 +2396,7 @@ static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int vc, return 0; err: - DSSERR("%s(vc %d, reqlen %d) failed\n", __func__, vc, msg->tx_len); + DSSERR("%s(vc %d, reqlen %zu) failed\n", __func__, vc, msg->tx_len); return r; } @@ -4611,6 +4617,7 @@ static const struct component_ops dsi_component_ops = { */ static int dsi_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct dsi_data *dsi = drm_bridge_to_dsi(bridge); @@ -4618,7 +4625,7 @@ static int dsi_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - return drm_bridge_attach(bridge->encoder, dsi->output.next_bridge, + return drm_bridge_attach(encoder, dsi->output.next_bridge, bridge, flags); } @@ -4694,7 +4701,6 @@ static const struct drm_bridge_funcs dsi_bridge_funcs = { static void dsi_bridge_init(struct dsi_data *dsi) { - dsi->bridge.funcs = &dsi_bridge_funcs; dsi->bridge.of_node = dsi->host.dev->of_node; dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; @@ -4884,13 +4890,12 @@ static int dsi_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct dsi_data *dsi; struct resource *dsi_mem; - struct resource *res; unsigned int i; int r; - dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); - if (!dsi) - return -ENOMEM; + dsi = devm_drm_bridge_alloc(dev, struct dsi_data, bridge, &dsi_bridge_funcs); + if (IS_ERR(dsi)) + return PTR_ERR(dsi); dsi->dev = dev; dev_set_drvdata(dev, dsi); @@ -4921,13 +4926,11 @@ static int dsi_probe(struct platform_device *pdev) if (IS_ERR(dsi->proto_base)) return PTR_ERR(dsi->proto_base); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy"); - dsi->phy_base = devm_ioremap_resource(dev, res); + dsi->phy_base = devm_platform_ioremap_resource_byname(pdev, "phy"); if (IS_ERR(dsi->phy_base)) return PTR_ERR(dsi->phy_base); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pll"); - dsi->pll_base = devm_ioremap_resource(dev, res); + dsi->pll_base = devm_platform_ioremap_resource_byname(pdev, "pll"); if (IS_ERR(dsi->pll_base)) return PTR_ERR(dsi->pll_base); @@ -5041,7 +5044,7 @@ err_pm_disable: return r; } -static int dsi_remove(struct platform_device *pdev) +static void dsi_remove(struct platform_device *pdev) { struct dsi_data *dsi = platform_get_drvdata(pdev); @@ -5057,11 +5060,9 @@ static int dsi_remove(struct platform_device *pdev) regulator_disable(dsi->vdds_dsi_reg); dsi->vdds_dsi_enabled = false; } - - return 0; } -static int dsi_runtime_suspend(struct device *dev) +static __maybe_unused int dsi_runtime_suspend(struct device *dev) { struct dsi_data *dsi = dev_get_drvdata(dev); @@ -5074,7 +5075,7 @@ static int dsi_runtime_suspend(struct device *dev) return 0; } -static int dsi_runtime_resume(struct device *dev) +static __maybe_unused int dsi_runtime_resume(struct device *dev) { struct dsi_data *dsi = dev_get_drvdata(dev); @@ -5086,8 +5087,7 @@ static int dsi_runtime_resume(struct device *dev) } static const struct dev_pm_ops dsi_pm_ops = { - .runtime_suspend = dsi_runtime_suspend, - .runtime_resume = dsi_runtime_resume, + SET_RUNTIME_PM_OPS(dsi_runtime_suspend, dsi_runtime_resume, NULL) SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index d6a5862b4dbf..692df747e2ae 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -22,12 +22,13 @@ #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/gfp.h> #include <linux/sizes.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> #include <linux/of.h> -#include <linux/of_device.h> +#include <linux/of_platform.h> #include <linux/of_graph.h> #include <linux/regulator/consumer.h> #include <linux/suspend.h> @@ -1176,6 +1177,7 @@ static void __dss_uninit_ports(struct dss_device *dss, unsigned int num_ports) default: break; } + of_node_put(port); } } @@ -1208,11 +1210,13 @@ static int dss_init_ports(struct dss_device *dss) default: break; } + of_node_put(port); } return 0; error: + of_node_put(port); __dss_uninit_ports(dss, i); return r; } @@ -1232,21 +1236,15 @@ static int dss_video_pll_probe(struct dss_device *dss) if (!np) return 0; - if (of_property_read_bool(np, "syscon-pll-ctrl")) { - dss->syscon_pll_ctrl = syscon_regmap_lookup_by_phandle(np, - "syscon-pll-ctrl"); + if (of_property_present(np, "syscon-pll-ctrl")) { + dss->syscon_pll_ctrl = + syscon_regmap_lookup_by_phandle_args(np, "syscon-pll-ctrl", + 1, &dss->syscon_pll_ctrl_offset); if (IS_ERR(dss->syscon_pll_ctrl)) { dev_err(&pdev->dev, "failed to get syscon-pll-ctrl regmap\n"); return PTR_ERR(dss->syscon_pll_ctrl); } - - if (of_property_read_u32_index(np, "syscon-pll-ctrl", 1, - &dss->syscon_pll_ctrl_offset)) { - dev_err(&pdev->dev, - "failed to get syscon-pll-ctrl offset\n"); - return -EINVAL; - } } pll_regulator = devm_regulator_get(&pdev->dev, "vdda_video"); @@ -1344,12 +1342,6 @@ static const struct component_master_ops dss_component_ops = { .unbind = dss_unbind, }; -static int dss_component_compare(struct device *dev, void *data) -{ - struct device *child = data; - return dev == child; -} - struct dss_component_match_data { struct device *dev; struct component_match **match; @@ -1379,7 +1371,7 @@ static int dss_add_child_component(struct device *dev, void *data) return device_for_each_child(dev, cmatch, dss_add_child_component); - component_match_add(cmatch->dev, match, dss_component_compare, dev); + component_match_add(cmatch->dev, match, component_compare_dev, dev); return 0; } @@ -1424,7 +1416,6 @@ static int dss_probe(struct platform_device *pdev) const struct soc_device_attribute *soc; struct dss_component_match_data cmatch; struct component_match *match = NULL; - struct resource *dss_mem; struct dss_device *dss; int r; @@ -1449,11 +1440,10 @@ static int dss_probe(struct platform_device *pdev) if (soc) dss->feat = soc->data; else - dss->feat = of_match_device(dss_of_match, &pdev->dev)->data; + dss->feat = device_get_match_data(&pdev->dev); /* Map I/O registers, get and setup clocks. */ - dss_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dss->base = devm_ioremap_resource(&pdev->dev, dss_mem); + dss->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(dss->base)) { r = PTR_ERR(dss->base); goto err_free_dss; @@ -1537,7 +1527,7 @@ err_free_dss: return r; } -static int dss_remove(struct platform_device *pdev) +static void dss_remove(struct platform_device *pdev) { struct dss_device *dss = platform_get_drvdata(pdev); @@ -1562,8 +1552,6 @@ static int dss_remove(struct platform_device *pdev) dss_put_clocks(dss); kfree(dss); - - return 0; } static void dss_shutdown(struct platform_device *pdev) @@ -1571,7 +1559,7 @@ static void dss_shutdown(struct platform_device *pdev) DSSDBG("shutdown\n"); } -static int dss_runtime_suspend(struct device *dev) +static __maybe_unused int dss_runtime_suspend(struct device *dev) { struct dss_device *dss = dev_get_drvdata(dev); @@ -1583,7 +1571,7 @@ static int dss_runtime_suspend(struct device *dev) return 0; } -static int dss_runtime_resume(struct device *dev) +static __maybe_unused int dss_runtime_resume(struct device *dev) { struct dss_device *dss = dev_get_drvdata(dev); int r; @@ -1606,8 +1594,7 @@ static int dss_runtime_resume(struct device *dev) } static const struct dev_pm_ops dss_pm_ops = { - .runtime_suspend = dss_runtime_suspend, - .runtime_resume = dss_runtime_resume, + SET_RUNTIME_PM_OPS(dss_runtime_suspend, dss_runtime_resume, NULL) SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h index a547527bb2f3..a8b231ed4f4b 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.h +++ b/drivers/gpu/drm/omapdrm/dss/dss.h @@ -397,6 +397,11 @@ int dispc_get_num_mgrs(struct dispc_device *dispc); const u32 *dispc_ovl_get_color_modes(struct dispc_device *dispc, enum omap_plane_id plane); +void dispc_ovl_get_max_size(struct dispc_device *dispc, u16 *width, u16 *height); +bool dispc_ovl_color_mode_supported(struct dispc_device *dispc, + enum omap_plane_id plane, u32 fourcc); +enum omap_overlay_caps dispc_ovl_get_caps(struct dispc_device *dispc, enum omap_plane_id plane); + u32 dispc_read_irqstatus(struct dispc_device *dispc); void dispc_clear_irqstatus(struct dispc_device *dispc, u32 mask); void dispc_write_irqenable(struct dispc_device *dispc, u32 mask); @@ -411,7 +416,6 @@ u32 dispc_mgr_get_framedone_irq(struct dispc_device *dispc, enum omap_channel channel); u32 dispc_mgr_get_sync_lost_irq(struct dispc_device *dispc, enum omap_channel channel); -u32 dispc_wb_get_framedone_irq(struct dispc_device *dispc); u32 dispc_get_memory_bandwidth_limit(struct dispc_device *dispc); @@ -453,20 +457,11 @@ int dispc_ovl_setup(struct dispc_device *dispc, int dispc_ovl_enable(struct dispc_device *dispc, enum omap_plane_id plane, bool enable); -bool dispc_has_writeback(struct dispc_device *dispc); -int dispc_wb_setup(struct dispc_device *dispc, - const struct omap_dss_writeback_info *wi, - bool mem_to_mem, const struct videomode *vm, - enum dss_writeback_channel channel_in); -bool dispc_wb_go_busy(struct dispc_device *dispc); -void dispc_wb_go(struct dispc_device *dispc); - void dispc_enable_sidle(struct dispc_device *dispc); void dispc_disable_sidle(struct dispc_device *dispc); void dispc_lcd_enable_signal(struct dispc_device *dispc, bool enable); void dispc_pck_free_enable(struct dispc_device *dispc, bool enable); -void dispc_enable_fifomerge(struct dispc_device *dispc, bool enable); typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck, unsigned long pck, void *data); @@ -489,9 +484,6 @@ void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc, void dispc_mgr_set_clock_div(struct dispc_device *dispc, enum omap_channel channel, const struct dispc_clock_info *cinfo); -int dispc_mgr_get_clock_div(struct dispc_device *dispc, - enum omap_channel channel, - struct dispc_clock_info *cinfo); void dispc_set_tv_pclk(struct dispc_device *dispc, unsigned long pclk); #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 35b750cebaeb..3cd612af2449 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -29,6 +29,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_state_helper.h> +#include <drm/drm_edid.h> #include "omapdss.h" #include "hdmi4_core.h" @@ -313,6 +314,7 @@ void hdmi4_core_disable(struct hdmi_core_data *core) */ static int hdmi4_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); @@ -320,7 +322,7 @@ static int hdmi4_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge, + return drm_bridge_attach(encoder, hdmi->output.next_bridge, bridge, flags); } @@ -340,10 +342,9 @@ static void hdmi4_bridge_mode_set(struct drm_bridge *bridge, } static void hdmi4_bridge_enable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) + struct drm_atomic_state *state) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); - struct drm_atomic_state *state = bridge_state->base.state; struct drm_connector_state *conn_state; struct drm_connector *connector; struct drm_crtc_state *crtc_state; @@ -409,7 +410,7 @@ done: } static void hdmi4_bridge_disable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) + struct drm_atomic_state *state) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); unsigned long flags; @@ -435,11 +436,11 @@ static void hdmi4_bridge_hpd_notify(struct drm_bridge *bridge, hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID); } -static struct edid *hdmi4_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *hdmi4_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); - struct edid *edid = NULL; + const struct drm_edid *drm_edid = NULL; unsigned int cec_addr; bool need_enable; int r; @@ -460,13 +461,21 @@ static struct edid *hdmi4_bridge_get_edid(struct drm_bridge *bridge, if (r) goto done; - edid = drm_do_get_edid(connector, hdmi4_core_ddc_read, &hdmi->core); + drm_edid = drm_edid_read_custom(connector, hdmi4_core_ddc_read, &hdmi->core); done: hdmi_runtime_put(hdmi); mutex_unlock(&hdmi->lock); - if (edid && edid->extensions) { + if (drm_edid) { + /* + * FIXME: The CEC physical address should be set using + * hdmi4_cec_set_phys_addr(&hdmi->core, + * connector->display_info.source_physical_address) from a path + * that has read the EDID and called + * drm_edid_connector_update(). + */ + const struct edid *edid = drm_edid_raw(drm_edid); unsigned int len = (edid->extensions + 1) * EDID_LENGTH; cec_addr = cec_get_edid_phys_addr((u8 *)edid, len, NULL); @@ -479,7 +488,7 @@ done: if (need_enable) hdmi4_core_disable(&hdmi->core); - return edid; + return drm_edid; } static const struct drm_bridge_funcs hdmi4_bridge_funcs = { @@ -491,12 +500,11 @@ static const struct drm_bridge_funcs hdmi4_bridge_funcs = { .atomic_enable = hdmi4_bridge_enable, .atomic_disable = hdmi4_bridge_disable, .hpd_notify = hdmi4_bridge_hpd_notify, - .get_edid = hdmi4_bridge_get_edid, + .edid_read = hdmi4_bridge_edid_read, }; static void hdmi4_bridge_init(struct omap_hdmi *hdmi) { - hdmi->bridge.funcs = &hdmi4_bridge_funcs; hdmi->bridge.of_node = hdmi->pdev->dev.of_node; hdmi->bridge.ops = DRM_BRIDGE_OP_EDID; hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA; @@ -752,9 +760,9 @@ static int hdmi4_probe(struct platform_device *pdev) int irq; int r; - hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); - if (!hdmi) - return -ENOMEM; + hdmi = devm_drm_bridge_alloc(&pdev->dev, struct omap_hdmi, bridge, &hdmi4_bridge_funcs); + if (IS_ERR(hdmi)) + return PTR_ERR(hdmi); hdmi->pdev = pdev; @@ -765,25 +773,24 @@ static int hdmi4_probe(struct platform_device *pdev) r = hdmi4_probe_of(hdmi); if (r) - goto err_free; + return r; r = hdmi_wp_init(pdev, &hdmi->wp, 4); if (r) - goto err_free; + return r; r = hdmi_phy_init(pdev, &hdmi->phy, 4); if (r) - goto err_free; + return r; r = hdmi4_core_init(pdev, &hdmi->core); if (r) - goto err_free; + return r; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); - r = -ENODEV; - goto err_free; + return -ENODEV; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -791,7 +798,7 @@ static int hdmi4_probe(struct platform_device *pdev) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_free; + return r; } hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); @@ -799,7 +806,7 @@ static int hdmi4_probe(struct platform_device *pdev) r = PTR_ERR(hdmi->vdda_reg); if (r != -EPROBE_DEFER) DSSERR("can't get VDDA regulator\n"); - goto err_free; + return r; } pm_runtime_enable(&pdev->dev); @@ -818,12 +825,10 @@ err_uninit_output: hdmi4_uninit_output(hdmi); err_pm_disable: pm_runtime_disable(&pdev->dev); -err_free: - kfree(hdmi); return r; } -static int hdmi4_remove(struct platform_device *pdev) +static void hdmi4_remove(struct platform_device *pdev) { struct omap_hdmi *hdmi = platform_get_drvdata(pdev); @@ -832,9 +837,6 @@ static int hdmi4_remove(struct platform_device *pdev) hdmi4_uninit_output(hdmi); pm_runtime_disable(&pdev->dev); - - kfree(hdmi); - return 0; } static const struct of_device_id hdmi_of_match[] = { diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c index 43592c1cf081..852987e67e40 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HDMI CEC * @@ -10,19 +11,6 @@ * Heavily modified to use the linux CEC framework: * * Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved. - * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. */ #include <linux/kernel.h> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h index 0292337c97cc..1ca5b5ca8a99 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h @@ -1,20 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * HDMI header definition for OMAP4 HDMI CEC IP * * Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved. - * - * This program is free software; you may redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. */ #ifndef _HDMI4_CEC_H_ diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c index 35faa7f028c4..8720bf4f18fe 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c @@ -870,7 +870,6 @@ static const struct soc_device_attribute hdmi4_soc_devices[] = { int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core) { const struct hdmi4_features *features; - struct resource *res; const struct soc_device_attribute *soc; soc = soc_device_match(hdmi4_soc_devices); @@ -881,8 +880,7 @@ int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core) core->cts_swmode = features->cts_swmode; core->audio_use_mclk = features->audio_use_mclk; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "core"); - core->base = devm_ioremap_resource(&pdev->dev, res); + core->base = devm_platform_ioremap_resource_byname(pdev, "core"); if (IS_ERR(core->base)) return PTR_ERR(core->base); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 65085d886da5..5636b3dfec1c 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -32,6 +32,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_state_helper.h> +#include <drm/drm_edid.h> #include "omapdss.h" #include "hdmi5_core.h" @@ -311,6 +312,7 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) */ static int hdmi5_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); @@ -318,7 +320,7 @@ static int hdmi5_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge, + return drm_bridge_attach(encoder, hdmi->output.next_bridge, bridge, flags); } @@ -338,10 +340,9 @@ static void hdmi5_bridge_mode_set(struct drm_bridge *bridge, } static void hdmi5_bridge_enable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) + struct drm_atomic_state *state) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); - struct drm_atomic_state *state = bridge_state->base.state; struct drm_connector_state *conn_state; struct drm_connector *connector; struct drm_crtc_state *crtc_state; @@ -407,7 +408,7 @@ done: } static void hdmi5_bridge_disable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) + struct drm_atomic_state *state) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); unsigned long flags; @@ -424,11 +425,11 @@ static void hdmi5_bridge_disable(struct drm_bridge *bridge, mutex_unlock(&hdmi->lock); } -static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *hdmi5_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); - struct edid *edid; + const struct drm_edid *drm_edid; bool need_enable; int idlemode; int r; @@ -451,7 +452,7 @@ static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, hdmi5_core_ddc_init(&hdmi->core); - edid = drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core); + drm_edid = drm_edid_read_custom(connector, hdmi5_core_ddc_read, &hdmi->core); hdmi5_core_ddc_uninit(&hdmi->core); @@ -463,7 +464,7 @@ static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, if (need_enable) hdmi_core_disable(hdmi); - return (struct edid *)edid; + return drm_edid; } static const struct drm_bridge_funcs hdmi5_bridge_funcs = { @@ -474,12 +475,11 @@ static const struct drm_bridge_funcs hdmi5_bridge_funcs = { .atomic_reset = drm_atomic_helper_bridge_reset, .atomic_enable = hdmi5_bridge_enable, .atomic_disable = hdmi5_bridge_disable, - .get_edid = hdmi5_bridge_get_edid, + .edid_read = hdmi5_bridge_edid_read, }; static void hdmi5_bridge_init(struct omap_hdmi *hdmi) { - hdmi->bridge.funcs = &hdmi5_bridge_funcs; hdmi->bridge.of_node = hdmi->pdev->dev.of_node; hdmi->bridge.ops = DRM_BRIDGE_OP_EDID; hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA; @@ -726,9 +726,9 @@ static int hdmi5_probe(struct platform_device *pdev) int irq; int r; - hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); - if (!hdmi) - return -ENOMEM; + hdmi = devm_drm_bridge_alloc(&pdev->dev, struct omap_hdmi, bridge, &hdmi5_bridge_funcs); + if (IS_ERR(hdmi)) + return PTR_ERR(hdmi); hdmi->pdev = pdev; @@ -739,25 +739,24 @@ static int hdmi5_probe(struct platform_device *pdev) r = hdmi5_probe_of(hdmi); if (r) - goto err_free; + return r; r = hdmi_wp_init(pdev, &hdmi->wp, 5); if (r) - goto err_free; + return r; r = hdmi_phy_init(pdev, &hdmi->phy, 5); if (r) - goto err_free; + return r; r = hdmi5_core_init(pdev, &hdmi->core); if (r) - goto err_free; + return r; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); - r = -ENODEV; - goto err_free; + return -ENODEV; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -765,7 +764,7 @@ static int hdmi5_probe(struct platform_device *pdev) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_free; + return r; } hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); @@ -773,7 +772,7 @@ static int hdmi5_probe(struct platform_device *pdev) r = PTR_ERR(hdmi->vdda_reg); if (r != -EPROBE_DEFER) DSSERR("can't get VDDA regulator\n"); - goto err_free; + return r; } pm_runtime_enable(&pdev->dev); @@ -792,12 +791,10 @@ err_uninit_output: hdmi5_uninit_output(hdmi); err_pm_disable: pm_runtime_disable(&pdev->dev); -err_free: - kfree(hdmi); return r; } -static int hdmi5_remove(struct platform_device *pdev) +static void hdmi5_remove(struct platform_device *pdev) { struct omap_hdmi *hdmi = platform_get_drvdata(pdev); @@ -806,9 +803,6 @@ static int hdmi5_remove(struct platform_device *pdev) hdmi5_uninit_output(hdmi); pm_runtime_disable(&pdev->dev); - - kfree(hdmi); - return 0; } static const struct of_device_id hdmi_of_match[] = { diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c index 6cc2ad7a420c..12ef47cd232b 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c @@ -545,23 +545,6 @@ static void hdmi_core_enable_interrupts(struct hdmi_core_data *core) REG_FLD_MOD(core->base, HDMI_CORE_IH_MUTE, 0x0, 1, 0); } -int hdmi5_core_handle_irqs(struct hdmi_core_data *core) -{ - void __iomem *base = core->base; - - REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0); - REG_FLD_MOD(base, HDMI_CORE_IH_I2CMPHY_STAT0, 0xff, 7, 0); - - return 0; -} - void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp, struct hdmi_config *cfg) { @@ -872,10 +855,7 @@ int hdmi5_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp, int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core) { - struct resource *res; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "core"); - core->base = devm_ioremap_resource(&pdev->dev, res); + core->base = devm_platform_ioremap_resource_byname(pdev, "core"); if (IS_ERR(core->base)) return PTR_ERR(core->base); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h index 070cbf5fb57d..b8ed21156e8c 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.h @@ -286,7 +286,6 @@ int hdmi5_core_ddc_read(void *data, u8 *buf, unsigned int block, size_t len); void hdmi5_core_ddc_uninit(struct hdmi_core_data *core); void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s); -int hdmi5_core_handle_irqs(struct hdmi_core_data *core); void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp, struct hdmi_config *cfg); int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c b/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c index 5dc200f09c3c..060e8f76f2be 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c @@ -182,15 +182,12 @@ static const struct hdmi_phy_features omap54xx_phy_feats = { int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy, unsigned int version) { - struct resource *res; - if (version == 4) phy->features = &omap44xx_phy_feats; else phy->features = &omap54xx_phy_feats; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phy"); - phy->base = devm_ioremap_resource(&pdev->dev, res); + phy->base = devm_platform_ioremap_resource_byname(pdev, "phy"); if (IS_ERR(phy->base)) return PTR_ERR(phy->base); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c index 13bf649aba52..eea719243eaf 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c @@ -162,13 +162,11 @@ int hdmi_pll_init(struct dss_device *dss, struct platform_device *pdev, struct hdmi_pll_data *pll, struct hdmi_wp_data *wp) { int r; - struct resource *res; pll->pdev = pdev; pll->wp = wp; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pll"); - pll->base = devm_ioremap_resource(&pdev->dev, res); + pll->base = devm_platform_ioremap_resource_byname(pdev, "pll"); if (IS_ERR(pll->base)) return PTR_ERR(pll->base); diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 040d5a3e33d6..4c22c09c93d5 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -242,9 +242,8 @@ struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev); void omapdss_device_put(struct omap_dss_device *dssdev); struct omap_dss_device *omapdss_find_device_by_node(struct device_node *node); int omapdss_device_connect(struct dss_device *dss, - struct omap_dss_device *src, struct omap_dss_device *dst); -void omapdss_device_disconnect(struct omap_dss_device *src, +void omapdss_device_disconnect(struct dss_device *dss, struct omap_dss_device *dst); int omap_dss_get_num_overlay_managers(void); diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index 91eaae3b9481..df4cbc683e2c 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -11,6 +11,7 @@ #include <linux/export.h> #include <linux/kernel.h> #include <linux/of.h> +#include <linux/of_graph.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/string.h> @@ -127,6 +128,7 @@ static void sdi_config_lcd_manager(struct sdi_device *sdi) */ static int sdi_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct sdi_device *sdi = drm_bridge_to_sdi(bridge); @@ -134,7 +136,7 @@ static int sdi_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - return drm_bridge_attach(bridge->encoder, sdi->output.next_bridge, + return drm_bridge_attach(encoder, sdi->output.next_bridge, bridge, flags); } @@ -282,7 +284,6 @@ static const struct drm_bridge_funcs sdi_bridge_funcs = { static void sdi_bridge_init(struct sdi_device *sdi) { - sdi->bridge.funcs = &sdi_bridge_funcs; sdi->bridge.of_node = sdi->pdev->dev.of_node; sdi->bridge.type = DRM_MODE_CONNECTOR_LVDS; @@ -342,21 +343,19 @@ int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, u32 datapairs; int r; - sdi = kzalloc(sizeof(*sdi), GFP_KERNEL); - if (!sdi) - return -ENOMEM; + sdi = devm_drm_bridge_alloc(&pdev->dev, struct sdi_device, bridge, &sdi_bridge_funcs); + if (IS_ERR(sdi)) + return PTR_ERR(sdi); - ep = of_get_next_child(port, NULL); - if (!ep) { - r = 0; - goto err_free; - } + ep = of_graph_get_next_port_endpoint(port, NULL); + if (!ep) + return 0; r = of_property_read_u32(ep, "datapairs", &datapairs); of_node_put(ep); if (r) { DSSERR("failed to parse datapairs\n"); - goto err_free; + return r; } sdi->datapairs = datapairs; @@ -370,19 +369,14 @@ int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, r = PTR_ERR(sdi->vdds_sdi_reg); if (r != -EPROBE_DEFER) DSSERR("can't get VDDS_SDI regulator\n"); - goto err_free; + return r; } r = sdi_init_output(sdi); if (r) - goto err_free; + return r; return 0; - -err_free: - kfree(sdi); - - return r; } void sdi_uninit_port(struct device_node *port) @@ -393,5 +387,4 @@ void sdi_uninit_port(struct device_node *port) return; sdi_uninit_output(sdi); - kfree(sdi); } diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index e522c17955d0..9b5d53dc361e 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -538,6 +538,7 @@ static int venc_get_clocks(struct venc_device *venc) */ static int venc_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct venc_device *venc = drm_bridge_to_venc(bridge); @@ -545,7 +546,7 @@ static int venc_bridge_attach(struct drm_bridge *bridge, if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) return -EINVAL; - return drm_bridge_attach(bridge->encoder, venc->output.next_bridge, + return drm_bridge_attach(encoder, venc->output.next_bridge, bridge, flags); } @@ -663,7 +664,6 @@ static const struct drm_bridge_funcs venc_bridge_funcs = { static void venc_bridge_init(struct venc_device *venc) { - venc->bridge.funcs = &venc_bridge_funcs; venc->bridge.of_node = venc->pdev->dev.of_node; venc->bridge.ops = DRM_BRIDGE_OP_MODES; venc->bridge.type = DRM_MODE_CONNECTOR_SVIDEO; @@ -806,12 +806,11 @@ static const struct soc_device_attribute venc_soc_devices[] = { static int venc_probe(struct platform_device *pdev) { struct venc_device *venc; - struct resource *venc_mem; int r; - venc = kzalloc(sizeof(*venc), GFP_KERNEL); - if (!venc) - return -ENOMEM; + venc = devm_drm_bridge_alloc(&pdev->dev, struct venc_device, bridge, &venc_bridge_funcs); + if (IS_ERR(venc)) + return PTR_ERR(venc); venc->pdev = pdev; @@ -823,28 +822,25 @@ static int venc_probe(struct platform_device *pdev) venc->config = &venc_config_pal_trm; - venc_mem = platform_get_resource(venc->pdev, IORESOURCE_MEM, 0); - venc->base = devm_ioremap_resource(&pdev->dev, venc_mem); - if (IS_ERR(venc->base)) { - r = PTR_ERR(venc->base); - goto err_free; - } + venc->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(venc->base)) + return PTR_ERR(venc->base); venc->vdda_dac_reg = devm_regulator_get(&pdev->dev, "vdda"); if (IS_ERR(venc->vdda_dac_reg)) { r = PTR_ERR(venc->vdda_dac_reg); if (r != -EPROBE_DEFER) DSSERR("can't get VDDA_DAC regulator\n"); - goto err_free; + return r; } r = venc_get_clocks(venc); if (r) - goto err_free; + return r; r = venc_probe_of(venc); if (r) - goto err_free; + return r; pm_runtime_enable(&pdev->dev); @@ -862,12 +858,10 @@ err_uninit_output: venc_uninit_output(venc); err_pm_disable: pm_runtime_disable(&pdev->dev); -err_free: - kfree(venc); return r; } -static int venc_remove(struct platform_device *pdev) +static void venc_remove(struct platform_device *pdev) { struct venc_device *venc = platform_get_drvdata(pdev); @@ -876,12 +870,9 @@ static int venc_remove(struct platform_device *pdev) venc_uninit_output(venc); pm_runtime_disable(&pdev->dev); - - kfree(venc); - return 0; } -static int venc_runtime_suspend(struct device *dev) +static __maybe_unused int venc_runtime_suspend(struct device *dev) { struct venc_device *venc = dev_get_drvdata(dev); @@ -891,7 +882,7 @@ static int venc_runtime_suspend(struct device *dev) return 0; } -static int venc_runtime_resume(struct device *dev) +static __maybe_unused int venc_runtime_resume(struct device *dev) { struct venc_device *venc = dev_get_drvdata(dev); @@ -902,8 +893,7 @@ static int venc_runtime_resume(struct device *dev) } static const struct dev_pm_ops venc_pm_ops = { - .runtime_suspend = venc_runtime_suspend, - .runtime_resume = venc_runtime_resume, + SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL) SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; diff --git a/drivers/gpu/drm/omapdrm/dss/video-pll.c b/drivers/gpu/drm/omapdrm/dss/video-pll.c index b72c3ffddc9a..b6b52049f753 100644 --- a/drivers/gpu/drm/omapdrm/dss/video-pll.c +++ b/drivers/gpu/drm/omapdrm/dss/video-pll.c @@ -137,7 +137,6 @@ struct dss_pll *dss_video_pll_init(struct dss_device *dss, const char * const clkctrl_name[] = { "pll1_clkctrl", "pll2_clkctrl" }; const char * const clkin_name[] = { "video1_clk", "video2_clk" }; - struct resource *res; struct dss_video_pll *vpll; void __iomem *pll_base, *clkctrl_base; struct clk *clk; @@ -146,16 +145,13 @@ struct dss_pll *dss_video_pll_init(struct dss_device *dss, /* PLL CONTROL */ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, reg_name[id]); - pll_base = devm_ioremap_resource(&pdev->dev, res); + pll_base = devm_platform_ioremap_resource_byname(pdev, reg_name[id]); if (IS_ERR(pll_base)) return ERR_CAST(pll_base); /* CLOCK CONTROL */ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, - clkctrl_name[id]); - clkctrl_base = devm_ioremap_resource(&pdev->dev, res); + clkctrl_base = devm_platform_ioremap_resource_byname(pdev, clkctrl_name[id]); if (IS_ERR(clkctrl_base)) return ERR_CAST(clkctrl_base); diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 06a719c104f4..1c2a1920c0a6 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -10,7 +10,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_mode.h> -#include <drm/drm_plane_helper.h> +#include <drm/drm_print.h> #include <drm/drm_vblank.h> #include "omap_drv.h" diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c index 2d3909a37f51..9edc1b3f9f95 100644 --- a/drivers/gpu/drm/omapdrm/omap_debugfs.c +++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c @@ -10,6 +10,8 @@ #include <drm/drm_debugfs.h> #include <drm/drm_file.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_print.h> #include "omap_drv.h" #include "omap_dmm_tiler.h" @@ -46,15 +48,15 @@ static int fb_show(struct seq_file *m, void *arg) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; - struct omap_drm_private *priv = dev->dev_private; + struct drm_fb_helper *helper = dev->fb_helper; struct drm_framebuffer *fb; seq_printf(m, "fbcon "); - omap_framebuffer_describe(priv->fbdev->fb, m); + omap_framebuffer_describe(helper->fb, m); mutex_lock(&dev->mode_config.fb_lock); list_for_each_entry(fb, &dev->mode_config.fb_list, head) { - if (fb == priv->fbdev->fb) + if (fb == helper->fb) continue; seq_printf(m, "user "); diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_priv.h b/drivers/gpu/drm/omapdrm/omap_dmm_priv.h index 58a8239d3e69..2288ed56f23d 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_priv.h +++ b/drivers/gpu/drm/omapdrm/omap_dmm_priv.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ * Author: Rob Clark <rob@ti.com> * Andy Gross <andy.gross@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef OMAP_DMM_PRIV_H diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index ed770caf55c2..bbe427ab43c1 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * DMM IOMMU driver support functions for TI OMAP processors. * * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ * Author: Rob Clark <rob@ti.com> * Andy Gross <andy.gross@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/completion.h> @@ -25,6 +17,7 @@ #include <linux/list.h> #include <linux/mm.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> /* platform_device() */ #include <linux/sched.h> #include <linux/seq_file.h> @@ -33,6 +26,8 @@ #include <linux/vmalloc.h> #include <linux/wait.h> +#include <drm/drm_print.h> + #include "omap_dmm_tiler.h" #include "omap_dmm_priv.h" @@ -126,7 +121,7 @@ static u32 dmm_read_wa(struct dmm *dmm, u32 reg) * earlier than the DMA finished writing the value to memory. */ rmb(); - return readl(dmm->wa_dma_data); + return readl((__iomem void *)dmm->wa_dma_data); } static void dmm_write_wa(struct dmm *dmm, u32 val, u32 reg) @@ -134,7 +129,7 @@ static void dmm_write_wa(struct dmm *dmm, u32 val, u32 reg) dma_addr_t src, dst; int r; - writel(val, dmm->wa_dma_data); + writel(val, (__iomem void *)dmm->wa_dma_data); /* * As per i878 workaround, the DMA is used to access the DMM registers. * Make sure that the writel is not moved by the compiler or the CPU, so @@ -418,7 +413,7 @@ static int dmm_txn_commit(struct dmm_txn *txn, bool wait) */ /* read back to ensure the data is in RAM */ - readl(&txn->last_pat->next_pa); + readl((__iomem void *)&txn->last_pat->next_pa); /* write to PAT_DESCR to clear out any pending transaction */ dmm_write(dmm, 0x0, reg[PAT_DESCR][engine->id]); @@ -730,7 +725,7 @@ bool dmm_is_available(void) return omap_dmm ? true : false; } -static int omap_dmm_remove(struct platform_device *dev) +static void omap_dmm_remove(struct platform_device *dev) { struct tiler_block *block, *_block; int i; @@ -770,8 +765,6 @@ static int omap_dmm_remove(struct platform_device *dev) kfree(omap_dmm); omap_dmm = NULL; } - - return 0; } static int omap_dmm_probe(struct platform_device *dev) @@ -820,10 +813,8 @@ static int omap_dmm_probe(struct platform_device *dev) } omap_dmm->irq = platform_get_irq(dev, 0); - if (omap_dmm->irq < 0) { - dev_err(&dev->dev, "failed to get IRQ resource\n"); + if (omap_dmm->irq < 0) goto fail; - } omap_dmm->dev = &dev->dev; @@ -991,8 +982,7 @@ static int omap_dmm_probe(struct platform_device *dev) return 0; fail: - if (omap_dmm_remove(dev)) - dev_err(&dev->dev, "cleanup failed\n"); + omap_dmm_remove(dev); return ret; } @@ -1224,7 +1214,6 @@ struct platform_driver omap_dmm_driver = { .probe = omap_dmm_probe, .remove = omap_dmm_remove, .driver = { - .owner = THIS_MODULE, .name = DMM_DRIVER_NAME, .of_match_table = of_match_ptr(dmm_of_match), .pm = &omap_dmm_pm_ops, diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.h b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.h index 2f8918fe06d5..87a32b3cd3b0 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.h +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ * Author: Rob Clark <rob@ti.com> * Andy Gross <andy.gross@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef OMAP_DMM_TILER_H #define OMAP_DMM_TILER_H diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 8632139e0f01..1b96343226a5 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -6,6 +6,7 @@ #include <linux/dma-mapping.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <linux/sort.h> #include <linux/sys_soc.h> @@ -14,20 +15,20 @@ #include <drm/drm_bridge.h> #include <drm/drm_bridge_connector.h> #include <drm/drm_drv.h> -#include <drm/drm_fb_helper.h> #include <drm/drm_file.h> #include <drm/drm_ioctl.h> #include <drm/drm_panel.h> #include <drm/drm_prime.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> #include "omap_dmm_tiler.h" #include "omap_drv.h" +#include "omap_fbdev.h" #define DRIVER_NAME MODULE_NAME #define DRIVER_DESC "OMAP DRM" -#define DRIVER_DATE "20110917" #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 @@ -68,7 +69,6 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state) { struct drm_device *dev = old_state->dev; struct omap_drm_private *priv = dev->dev_private; - bool fence_cookie = dma_fence_begin_signalling(); dispc_runtime_get(priv->dispc); @@ -91,6 +91,8 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state) omap_atomic_wait_for_completion(dev, old_state); drm_atomic_helper_commit_planes(dev, old_state, 0); + + drm_atomic_helper_commit_hw_done(old_state); } else { /* * OMAP3 DSS seems to have issues with the work-around above, @@ -100,11 +102,9 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state) drm_atomic_helper_commit_planes(dev, old_state, 0); drm_atomic_helper_commit_modeset_enables(dev, old_state); - } - - drm_atomic_helper_commit_hw_done(old_state); - dma_fence_end_signalling(fence_cookie); + drm_atomic_helper_commit_hw_done(old_state); + } /* * Wait for completion of the page flips to ensure that old buffers @@ -117,17 +117,188 @@ static void omap_atomic_commit_tail(struct drm_atomic_state *old_state) dispc_runtime_put(priv->dispc); } +static int drm_atomic_state_normalized_zpos_cmp(const void *a, const void *b) +{ + const struct drm_plane_state *sa = *(struct drm_plane_state **)a; + const struct drm_plane_state *sb = *(struct drm_plane_state **)b; + + if (sa->normalized_zpos != sb->normalized_zpos) + return sa->normalized_zpos - sb->normalized_zpos; + else + return sa->plane->base.id - sb->plane->base.id; +} + +/* + * This replaces the drm_atomic_normalize_zpos to handle the dual overlay case. + * + * Since both halves need to be 'appear' side by side the zpos is + * recalculated when dealing with dual overlay cases so that the other + * planes zpos is consistent. + */ +static int omap_atomic_update_normalize_zpos(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *old_state, *new_state; + struct drm_plane *plane; + int c, i, n, inc; + int total_planes = dev->mode_config.num_total_plane; + struct drm_plane_state **states; + int ret = 0; + + states = kmalloc_array(total_planes, sizeof(*states), GFP_KERNEL); + if (!states) + return -ENOMEM; + + for_each_oldnew_crtc_in_state(state, crtc, old_state, new_state, c) { + if (old_state->plane_mask == new_state->plane_mask && + !new_state->zpos_changed) + continue; + + /* Reset plane increment and index value for every crtc */ + n = 0; + + /* + * Normalization process might create new states for planes + * which normalized_zpos has to be recalculated. + */ + drm_for_each_plane_mask(plane, dev, new_state->plane_mask) { + struct drm_plane_state *plane_state = + drm_atomic_get_plane_state(new_state->state, + plane); + if (IS_ERR(plane_state)) { + ret = PTR_ERR(plane_state); + goto done; + } + states[n++] = plane_state; + } + + sort(states, n, sizeof(*states), + drm_atomic_state_normalized_zpos_cmp, NULL); + + for (i = 0, inc = 0; i < n; i++) { + plane = states[i]->plane; + + states[i]->normalized_zpos = i + inc; + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] updated normalized zpos value %d\n", + plane->base.id, plane->name, + states[i]->normalized_zpos); + + if (is_omap_plane_dual_overlay(states[i])) + inc++; + } + new_state->zpos_changed = true; + } + +done: + kfree(states); + return ret; +} + +static int omap_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state) +{ + int ret; + + ret = drm_atomic_helper_check(dev, state); + if (ret) + return ret; + + if (dev->mode_config.normalize_zpos) { + ret = omap_atomic_update_normalize_zpos(dev, state); + if (ret) + return ret; + } + + return 0; +} + static const struct drm_mode_config_helper_funcs omap_mode_config_helper_funcs = { .atomic_commit_tail = omap_atomic_commit_tail, }; static const struct drm_mode_config_funcs omap_mode_config_funcs = { .fb_create = omap_framebuffer_create, - .output_poll_changed = drm_fb_helper_output_poll_changed, - .atomic_check = drm_atomic_helper_check, + .atomic_check = omap_atomic_check, .atomic_commit = drm_atomic_helper_commit, }; +/* Global/shared object state funcs */ + +/* + * This is a helper that returns the private state currently in operation. + * Note that this would return the "old_state" if called in the atomic check + * path, and the "new_state" after the atomic swap has been done. + */ +struct omap_global_state * +omap_get_existing_global_state(struct omap_drm_private *priv) +{ + return to_omap_global_state(priv->glob_obj.state); +} + +/* + * This acquires the modeset lock set aside for global state, creates + * a new duplicated private object state. + */ +struct omap_global_state *__must_check +omap_get_global_state(struct drm_atomic_state *s) +{ + struct omap_drm_private *priv = s->dev->dev_private; + struct drm_private_state *priv_state; + + priv_state = drm_atomic_get_private_obj_state(s, &priv->glob_obj); + if (IS_ERR(priv_state)) + return ERR_CAST(priv_state); + + return to_omap_global_state(priv_state); +} + +static struct drm_private_state * +omap_global_duplicate_state(struct drm_private_obj *obj) +{ + struct omap_global_state *state; + + state = kmemdup(obj->state, sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_private_obj_duplicate_state(obj, &state->base); + + return &state->base; +} + +static void omap_global_destroy_state(struct drm_private_obj *obj, + struct drm_private_state *state) +{ + struct omap_global_state *omap_state = to_omap_global_state(state); + + kfree(omap_state); +} + +static const struct drm_private_state_funcs omap_global_state_funcs = { + .atomic_duplicate_state = omap_global_duplicate_state, + .atomic_destroy_state = omap_global_destroy_state, +}; + +static int omap_global_obj_init(struct drm_device *dev) +{ + struct omap_drm_private *priv = dev->dev_private; + struct omap_global_state *state; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return -ENOMEM; + + drm_atomic_private_obj_init(dev, &priv->glob_obj, &state->base, + &omap_global_state_funcs); + return 0; +} + +static void omap_global_obj_fini(struct omap_drm_private *priv) +{ + drm_atomic_private_obj_fini(&priv->glob_obj); +} + static void omap_disconnect_pipelines(struct drm_device *ddev) { struct omap_drm_private *priv = ddev->dev_private; @@ -136,7 +307,7 @@ static void omap_disconnect_pipelines(struct drm_device *ddev) for (i = 0; i < priv->num_pipes; i++) { struct omap_drm_pipeline *pipe = &priv->pipes[i]; - omapdss_device_disconnect(NULL, pipe->output); + omapdss_device_disconnect(priv->dss, pipe->output); omapdss_device_put(pipe->output); pipe->output = NULL; @@ -154,7 +325,7 @@ static int omap_connect_pipelines(struct drm_device *ddev) int r; for_each_dss_output(output) { - r = omapdss_device_connect(priv->dss, NULL, output); + r = omapdss_device_connect(priv->dss, output); if (r == -EPROBE_DEFER) { omapdss_device_put(output); return r; @@ -208,10 +379,8 @@ static int omap_display_id(struct omap_dss_device *output) struct device_node *node = NULL; if (output->bridge) { - struct drm_bridge *bridge = output->bridge; - - while (drm_bridge_get_next_bridge(bridge)) - bridge = drm_bridge_get_next_bridge(bridge); + struct drm_bridge *bridge __free(drm_bridge_put) = + drm_bridge_chain_get_last_bridge(output->bridge->encoder); node = bridge->of_node; } @@ -231,8 +400,6 @@ static int omap_modeset_init(struct drm_device *dev) if (!omapdss_stack_is_ready()) return -EPROBE_DEFER; - drm_mode_config_init(dev); - ret = omap_modeset_init_properties(dev); if (ret < 0) return ret; @@ -290,12 +457,8 @@ static int omap_modeset_init(struct drm_device *dev) ret = drm_bridge_attach(pipe->encoder, pipe->output->bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); - if (ret < 0) { - dev_err(priv->dev, - "unable to attach bridge %pOF\n", - pipe->output->bridge->of_node); + if (ret < 0) return ret; - } } id = omap_display_id(pipe->output); @@ -380,44 +543,6 @@ static void omap_modeset_fini(struct drm_device *ddev) } /* - * Enable the HPD in external components if supported - */ -static void omap_modeset_enable_external_hpd(struct drm_device *ddev) -{ - struct omap_drm_private *priv = ddev->dev_private; - unsigned int i; - - for (i = 0; i < priv->num_pipes; i++) { - struct drm_connector *connector = priv->pipes[i].connector; - - if (!connector) - continue; - - if (priv->pipes[i].output->bridge) - drm_bridge_connector_enable_hpd(connector); - } -} - -/* - * Disable the HPD in external components if supported - */ -static void omap_modeset_disable_external_hpd(struct drm_device *ddev) -{ - struct omap_drm_private *priv = ddev->dev_private; - unsigned int i; - - for (i = 0; i < priv->num_pipes; i++) { - struct drm_connector *connector = priv->pipes[i].connector; - - if (!connector) - continue; - - if (priv->pipes[i].output->bridge) - drm_bridge_connector_disable_hpd(connector); - } -} - -/* * drm ioctl funcs */ @@ -508,37 +633,24 @@ static int dev_open(struct drm_device *dev, struct drm_file *file) return 0; } -static const struct file_operations omapdriver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .unlocked_ioctl = drm_ioctl, - .compat_ioctl = drm_compat_ioctl, - .release = drm_release, - .mmap = omap_gem_mmap, - .poll = drm_poll, - .read = drm_read, - .llseek = noop_llseek, -}; +DEFINE_DRM_GEM_FOPS(omapdriver_fops); static const struct drm_driver omap_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC | DRIVER_RENDER, .open = dev_open, - .lastclose = drm_fb_helper_lastclose, #ifdef CONFIG_DEBUG_FS .debugfs_init = omap_debugfs_init, #endif - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_import = omap_gem_prime_import, .dumb_create = omap_gem_dumb_create, .dumb_map_offset = omap_gem_dumb_map_offset, + OMAP_FBDEV_DRIVER_OPS, .ioctls = ioctls, .num_ioctls = DRM_OMAP_NUM_IOCTLS, .fops = &omapdriver_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, - .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, @@ -561,6 +673,9 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) DBG("%s", dev_name(dev)); + if (drm_firmware_drivers_only()) + return -ENODEV; + /* Allocate and initialize the DRM device. */ ddev = drm_dev_alloc(&omap_drm_driver, dev); if (IS_ERR(ddev)) @@ -576,8 +691,12 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) priv->dss->mgr_ops_priv = priv; soc = soc_device_match(omapdrm_soc_devices); - priv->omaprev = soc ? (unsigned int)soc->data : 0; + priv->omaprev = soc ? (uintptr_t)soc->data : 0; priv->wq = alloc_ordered_workqueue("omapdrm", 0); + if (!priv->wq) { + ret = -ENOMEM; + goto err_alloc_workqueue; + } mutex_init(&priv->list_lock); INIT_LIST_HEAD(&priv->obj_list); @@ -587,10 +706,20 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) omap_gem_init(ddev); + drm_mode_config_init(ddev); + + ret = omap_global_obj_init(ddev); + if (ret) + goto err_gem_deinit; + + ret = omap_hwoverlays_init(priv); + if (ret) + goto err_free_priv_obj; + ret = omap_modeset_init(ddev); if (ret) { dev_err(priv->dev, "omap_modeset_init failed: ret=%d\n", ret); - goto err_gem_deinit; + goto err_free_overlays; } /* Initialize vblank handling, start with all CRTCs disabled. */ @@ -600,10 +729,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) goto err_cleanup_modeset; } - omap_fbdev_init(ddev); - drm_kms_helper_poll_init(ddev); - omap_modeset_enable_external_hpd(ddev); /* * Register the DRM device with the core and the connectors with @@ -613,18 +739,23 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) if (ret) goto err_cleanup_helpers; + omap_fbdev_setup(ddev); + return 0; err_cleanup_helpers: - omap_modeset_disable_external_hpd(ddev); drm_kms_helper_poll_fini(ddev); - - omap_fbdev_fini(ddev); err_cleanup_modeset: omap_modeset_fini(ddev); +err_free_overlays: + omap_hwoverlays_destroy(priv); +err_free_priv_obj: + omap_global_obj_fini(priv); err_gem_deinit: + drm_mode_config_cleanup(ddev); omap_gem_deinit(ddev); destroy_workqueue(priv->wq); +err_alloc_workqueue: omap_disconnect_pipelines(ddev); drm_dev_put(ddev); return ret; @@ -638,14 +769,14 @@ static void omapdrm_cleanup(struct omap_drm_private *priv) drm_dev_unregister(ddev); - omap_modeset_disable_external_hpd(ddev); drm_kms_helper_poll_fini(ddev); - omap_fbdev_fini(ddev); - drm_atomic_helper_shutdown(ddev); omap_modeset_fini(ddev); + omap_hwoverlays_destroy(priv); + omap_global_obj_fini(priv); + drm_mode_config_cleanup(ddev); omap_gem_deinit(ddev); destroy_workqueue(priv->wq); @@ -680,14 +811,19 @@ static int pdev_probe(struct platform_device *pdev) return ret; } -static int pdev_remove(struct platform_device *pdev) +static void pdev_remove(struct platform_device *pdev) { struct omap_drm_private *priv = platform_get_drvdata(pdev); omapdrm_cleanup(priv); kfree(priv); +} - return 0; +static void pdev_shutdown(struct platform_device *pdev) +{ + struct omap_drm_private *priv = platform_get_drvdata(pdev); + + drm_atomic_helper_shutdown(priv->ddev); } #ifdef CONFIG_PM_SLEEP @@ -719,6 +855,7 @@ static struct platform_driver pdev = { }, .probe = pdev_probe, .remove = pdev_remove, + .shutdown = pdev_shutdown, }; static struct platform_driver * const drivers[] = { diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index d6f136984da9..d903568fd8cc 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -14,16 +14,17 @@ #include "dss/omapdss.h" #include "dss/dss.h" +#include <drm/drm_atomic.h> #include <drm/drm_gem.h> #include <drm/omap_drm.h> #include "omap_crtc.h" #include "omap_encoder.h" #include "omap_fb.h" -#include "omap_fbdev.h" #include "omap_gem.h" #include "omap_irq.h" #include "omap_plane.h" +#include "omap_overlay.h" #define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) #define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /* verbose debug */ @@ -31,6 +32,7 @@ #define MODULE_NAME "omapdrm" struct omap_drm_usergart; +struct omap_fbdev; struct omap_drm_pipeline { struct drm_crtc *crtc; @@ -40,6 +42,19 @@ struct omap_drm_pipeline { unsigned int alias_id; }; +/* + * Global private object state for tracking resources that are shared across + * multiple kms objects (planes/crtcs/etc). + */ +#define to_omap_global_state(x) container_of(x, struct omap_global_state, base) + +struct omap_global_state { + struct drm_private_state base; + + /* global atomic state of assignment between overlays and planes */ + struct drm_plane *hwoverlay_to_plane[8]; +}; + struct omap_drm_private { struct drm_device *ddev; struct device *dev; @@ -48,6 +63,8 @@ struct omap_drm_private { struct dss_device *dss; struct dispc_device *dispc; + bool irq_enabled; + unsigned int num_pipes; struct omap_drm_pipeline pipes[8]; struct omap_drm_pipeline *channels[8]; @@ -55,7 +72,10 @@ struct omap_drm_private { unsigned int num_planes; struct drm_plane *planes[8]; - struct drm_fb_helper *fbdev; + unsigned int num_ovls; + struct omap_hw_overlay *overlays[8]; + + struct drm_private_obj glob_obj; struct workqueue_struct *wq; @@ -78,9 +98,15 @@ struct omap_drm_private { /* memory bandwidth limit if it is needed on the platform */ unsigned int max_bandwidth; + + struct omap_fbdev *fbdev; }; void omap_debugfs_init(struct drm_minor *minor); +struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s); + +struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv); + #endif /* __OMAPDRM_DRV_H__ */ diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 4dd05bc732da..195715b162e3 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -77,7 +77,6 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, struct omap_dss_device *output = omap_encoder->output; struct drm_device *dev = encoder->dev; struct drm_connector *connector; - struct drm_bridge *bridge; struct videomode vm = { 0 }; u32 bus_flags; @@ -97,8 +96,7 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, * * A better solution is to use DRM's bus-flags through the whole driver. */ - for (bridge = output->bridge; bridge; - bridge = drm_bridge_get_next_bridge(bridge)) { + drm_for_each_bridge_in_chain_from(output->bridge, bridge) { if (!bridge->timings) continue; diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index 190afc564914..b8c249ec1891 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -5,10 +5,14 @@ */ #include <linux/dma-mapping.h> +#include <linux/seq_file.h> +#include <drm/drm_blend.h> #include <drm/drm_modeset_helper.h> #include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_print.h> #include "omap_dmm_tiler.h" #include "omap_drv.h" @@ -131,7 +135,9 @@ static u32 drm_rotation_to_tiler(unsigned int drm_rot) /* update ovl info for scanout, handles cases of multi-planar fb's, etc. */ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, - struct drm_plane_state *state, struct omap_overlay_info *info) + struct drm_plane_state *state, + struct omap_overlay_info *info, + struct omap_overlay_info *r_info) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); const struct drm_format_info *format = omap_fb->format; @@ -218,6 +224,35 @@ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, } else { info->p_uv_addr = 0; } + + if (r_info) { + info->width /= 2; + info->out_width /= 2; + + *r_info = *info; + + if (fb->format->is_yuv) { + if (info->width & 1) { + info->width++; + r_info->width--; + } + + if (info->out_width & 1) { + info->out_width++; + r_info->out_width--; + } + } + + r_info->pos_x = info->pos_x + info->out_width; + + r_info->paddr = get_linear_addr(fb, format, 0, + x + info->width, y); + if (fb->format->format == DRM_FORMAT_NV12) { + r_info->p_uv_addr = + get_linear_addr(fb, format, 1, + x + info->width, y); + } + } } /* pin, prepare for scanout: */ @@ -301,10 +336,9 @@ void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m) #endif struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, - struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd) + struct drm_file *file, const struct drm_format_info *info, + const struct drm_mode_fb_cmd2 *mode_cmd) { - const struct drm_format_info *info = drm_get_format_info(dev, - mode_cmd); unsigned int num_planes = info->num_planes; struct drm_gem_object *bos[4]; struct drm_framebuffer *fb; @@ -318,7 +352,7 @@ struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, } } - fb = omap_framebuffer_init(dev, mode_cmd, bos); + fb = omap_framebuffer_init(dev, info, mode_cmd, bos); if (IS_ERR(fb)) goto error; @@ -332,9 +366,9 @@ error: } struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, + const struct drm_format_info *info, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos) { - const struct drm_format_info *format = NULL; struct omap_framebuffer *omap_fb = NULL; struct drm_framebuffer *fb = NULL; unsigned int pitch = mode_cmd->pitches[0]; @@ -344,14 +378,12 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, dev, mode_cmd, mode_cmd->width, mode_cmd->height, (char *)&mode_cmd->pixel_format); - format = drm_get_format_info(dev, mode_cmd); - for (i = 0; i < ARRAY_SIZE(formats); i++) { if (formats[i] == mode_cmd->pixel_format) break; } - if (!format || i == ARRAY_SIZE(formats)) { + if (i == ARRAY_SIZE(formats)) { dev_dbg(dev->dev, "unsupported pixel format: %4.4s\n", (char *)&mode_cmd->pixel_format); ret = -EINVAL; @@ -365,7 +397,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, } fb = &omap_fb->base; - omap_fb->format = format; + omap_fb->format = info; mutex_init(&omap_fb->lock); /* @@ -373,23 +405,23 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, * that the two planes of multiplane formats need the same number of * bytes per pixel. */ - if (format->num_planes == 2 && pitch != mode_cmd->pitches[1]) { + if (info->num_planes == 2 && pitch != mode_cmd->pitches[1]) { dev_dbg(dev->dev, "pitches differ between planes 0 and 1\n"); ret = -EINVAL; goto fail; } - if (pitch % format->cpp[0]) { + if (pitch % info->cpp[0]) { dev_dbg(dev->dev, "buffer pitch (%u bytes) is not a multiple of pixel size (%u bytes)\n", - pitch, format->cpp[0]); + pitch, info->cpp[0]); ret = -EINVAL; goto fail; } - for (i = 0; i < format->num_planes; i++) { + for (i = 0; i < info->num_planes; i++) { struct plane *plane = &omap_fb->planes[i]; - unsigned int vsub = i == 0 ? 1 : format->vsub; + unsigned int vsub = i == 0 ? 1 : info->vsub; unsigned int size; size = pitch * mode_cmd->height / vsub; @@ -406,7 +438,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, plane->dma_addr = 0; } - drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); + drm_helper_mode_fill_fb_struct(dev, fb, info, mode_cmd); ret = drm_framebuffer_init(dev, fb, &omap_framebuffer_funcs); if (ret) { diff --git a/drivers/gpu/drm/omapdrm/omap_fb.h b/drivers/gpu/drm/omapdrm/omap_fb.h index c0e19aed8220..e6010302a22b 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.h +++ b/drivers/gpu/drm/omapdrm/omap_fb.h @@ -13,6 +13,7 @@ struct drm_connector; struct drm_device; struct drm_file; struct drm_framebuffer; +struct drm_format_info; struct drm_gem_object; struct drm_mode_fb_cmd2; struct drm_plane_state; @@ -20,13 +21,17 @@ struct omap_overlay_info; struct seq_file; struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, - struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); + struct drm_file *file, const struct drm_format_info *info, + const struct drm_mode_fb_cmd2 *mode_cmd); struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, + const struct drm_format_info *info, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); int omap_framebuffer_pin(struct drm_framebuffer *fb); void omap_framebuffer_unpin(struct drm_framebuffer *fb); void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, - struct drm_plane_state *state, struct omap_overlay_info *info); + struct drm_plane_state *state, + struct omap_overlay_info *info, + struct omap_overlay_info *r_info); bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb); void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 42eac6ad12bd..ca3fb186bf19 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -4,13 +4,22 @@ * Author: Rob Clark <rob@ti.com> */ -#include <drm/drm_crtc.h> -#include <drm/drm_util.h> +#include <linux/fb.h> + +#include <drm/clients/drm_client_setup.h> +#include <drm/drm_drv.h> +#include <drm/drm_crtc_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_file.h> #include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> +#include <drm/drm_print.h> +#include <drm/drm_util.h> #include "omap_drv.h" +#include "omap_fbdev.h" MODULE_PARM_DESC(ywrap, "Enable ywrap scrolling (omap44xx and later, default 'y')"); static bool ywrap_enabled = true; @@ -20,12 +29,8 @@ module_param_named(ywrap, ywrap_enabled, bool, 0644); * fbdev funcs, to implement legacy fbdev interface on top of drm driver */ -#define to_omap_fbdev(x) container_of(x, struct omap_fbdev, base) - struct omap_fbdev { - struct drm_fb_helper base; - struct drm_framebuffer *fb; - struct drm_gem_object *bo; + struct drm_device *dev; bool ywrap_enabled; /* for deferred dmm roll when getting called in atomic ctx */ @@ -37,32 +42,39 @@ static struct drm_fb_helper *get_fb(struct fb_info *fbi); static void pan_worker(struct work_struct *work) { struct omap_fbdev *fbdev = container_of(work, struct omap_fbdev, work); - struct fb_info *fbi = fbdev->base.fbdev; + struct drm_fb_helper *helper = fbdev->dev->fb_helper; + struct fb_info *fbi = helper->info; + struct drm_gem_object *bo = drm_gem_fb_get_obj(helper->fb, 0); int npages; /* DMM roll shifts in 4K pages: */ npages = fbi->fix.line_length >> PAGE_SHIFT; - omap_gem_roll(fbdev->bo, fbi->var.yoffset * npages); + omap_gem_roll(bo, fbi->var.yoffset * npages); } -static int omap_fbdev_pan_display(struct fb_var_screeninfo *var, - struct fb_info *fbi) +FB_GEN_DEFAULT_DEFERRED_DMAMEM_OPS(omap_fbdev, + drm_fb_helper_damage_range, + drm_fb_helper_damage_area) + +static int omap_fbdev_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi) { struct drm_fb_helper *helper = get_fb(fbi); - struct omap_fbdev *fbdev = to_omap_fbdev(helper); + struct omap_drm_private *priv; + struct omap_fbdev *fbdev; if (!helper) goto fallback; + priv = helper->dev->dev_private; + fbdev = priv->fbdev; + if (!fbdev->ywrap_enabled) goto fallback; - if (drm_can_sleep()) { + if (drm_can_sleep()) pan_worker(&fbdev->work); - } else { - struct omap_drm_private *priv = helper->dev->dev_private; + else queue_work(priv->wq, &fbdev->work); - } return 0; @@ -70,33 +82,83 @@ fallback: return drm_fb_helper_pan_display(var, fbi); } +static int omap_fbdev_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); + + return fb_deferred_io_mmap(info, vma); +} + +static void omap_fbdev_fb_destroy(struct fb_info *info) +{ + struct drm_fb_helper *helper = info->par; + struct drm_framebuffer *fb = helper->fb; + struct drm_gem_object *bo = drm_gem_fb_get_obj(fb, 0); + + DBG(); + + fb_deferred_io_cleanup(info); + drm_fb_helper_fini(helper); + + omap_gem_unpin(bo); + drm_framebuffer_remove(fb); + + drm_client_release(&helper->client); +} + +/* + * For now, we cannot use FB_DEFAULT_DEFERRED_OPS and fb_deferred_io_mmap() + * because we use write-combine. + */ static const struct fb_ops omap_fb_ops = { .owner = THIS_MODULE, - + __FB_DEFAULT_DEFERRED_OPS_RDWR(omap_fbdev), .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_setcmap = drm_fb_helper_setcmap, .fb_blank = drm_fb_helper_blank, .fb_pan_display = omap_fbdev_pan_display, + __FB_DEFAULT_DEFERRED_OPS_DRAW(omap_fbdev), .fb_ioctl = drm_fb_helper_ioctl, + .fb_mmap = omap_fbdev_fb_mmap, + .fb_destroy = omap_fbdev_fb_destroy, +}; + +static int omap_fbdev_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip) +{ + if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2)) + return 0; + + if (helper->fb->funcs->dirty) + return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1); + + return 0; +} - .fb_read = drm_fb_helper_sys_read, - .fb_write = drm_fb_helper_sys_write, - .fb_fillrect = drm_fb_helper_sys_fillrect, - .fb_copyarea = drm_fb_helper_sys_copyarea, - .fb_imageblit = drm_fb_helper_sys_imageblit, +static const struct drm_fb_helper_funcs omap_fbdev_helper_funcs = { + .fb_dirty = omap_fbdev_dirty, }; -static int omap_fbdev_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +static struct drm_fb_helper *get_fb(struct fb_info *fbi) +{ + if (!fbi || strcmp(fbi->fix.id, MODULE_NAME)) { + /* these are not the fb's you're looking for */ + return NULL; + } + return fbi->par; +} + +int omap_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) { - struct omap_fbdev *fbdev = to_omap_fbdev(helper); struct drm_device *dev = helper->dev; struct omap_drm_private *priv = dev->dev_private; + struct omap_fbdev *fbdev = priv->fbdev; + struct fb_info *fbi = helper->info; struct drm_framebuffer *fb = NULL; union omap_gem_size gsize; - struct fb_info *fbi = NULL; struct drm_mode_fb_cmd2 mode_cmd = {0}; + struct drm_gem_object *bo; dma_addr_t dma_addr; int ret; @@ -127,20 +189,23 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, .bytes = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height), }; DBG("allocating %d bytes for fb %d", gsize.bytes, dev->primary->index); - fbdev->bo = omap_gem_new(dev, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC); - if (!fbdev->bo) { + bo = omap_gem_new(dev, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC); + if (!bo) { dev_err(dev->dev, "failed to allocate buffer object\n"); ret = -ENOMEM; goto fail; } - fb = omap_framebuffer_init(dev, &mode_cmd, &fbdev->bo); + fb = omap_framebuffer_init(dev, + drm_get_format_info(dev, mode_cmd.pixel_format, + mode_cmd.modifier[0]), + &mode_cmd, &bo); if (IS_ERR(fb)) { dev_err(dev->dev, "failed to allocate fb\n"); /* note: if fb creation failed, we can't rely on fb destroy * to unref the bo: */ - drm_gem_object_put(fbdev->bo); + drm_gem_object_put(bo); ret = PTR_ERR(fb); goto fail; } @@ -153,35 +218,36 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, * to it). Then we just need to be sure that we are able to re- * pin it in case of an opps. */ - ret = omap_gem_pin(fbdev->bo, &dma_addr); + ret = omap_gem_pin(bo, &dma_addr); if (ret) { dev_err(dev->dev, "could not pin framebuffer\n"); ret = -ENOMEM; goto fail; } - fbi = drm_fb_helper_alloc_fbi(helper); - if (IS_ERR(fbi)) { - dev_err(dev->dev, "failed to allocate fb info\n"); - ret = PTR_ERR(fbi); - goto fail; - } - DBG("fbi=%p, dev=%p", fbi, dev); - fbdev->fb = fb; + helper->funcs = &omap_fbdev_helper_funcs; helper->fb = fb; fbi->fbops = &omap_fb_ops; drm_fb_helper_fill_info(fbi, helper, sizes); - dev->mode_config.fb_base = dma_addr; - - fbi->screen_buffer = omap_gem_vaddr(fbdev->bo); - fbi->screen_size = fbdev->bo->size; + fbi->flags |= FBINFO_VIRTFB; + fbi->screen_buffer = omap_gem_vaddr(bo); + fbi->screen_size = bo->size; fbi->fix.smem_start = dma_addr; - fbi->fix.smem_len = fbdev->bo->size; + fbi->fix.smem_len = bo->size; + + /* deferred I/O */ + helper->fbdefio.delay = HZ / 20; + helper->fbdefio.deferred_io = drm_fb_helper_deferred_io; + + fbi->fbdefio = &helper->fbdefio; + ret = fb_deferred_io_init(fbi); + if (ret) + goto fail; /* if we have DMM, then we can use it for scrolling by just * shuffling pages around in DMM rather than doing sw blit. @@ -194,7 +260,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, DBG("par=%p, %dx%d", fbi->par, fbi->var.xres, fbi->var.yres); - DBG("allocated %dx%d fb", fbdev->fb->width, fbdev->fb->height); + DBG("allocated %dx%d fb", fb->width, fb->height); return 0; @@ -208,86 +274,21 @@ fail: return ret; } -static const struct drm_fb_helper_funcs omap_fb_helper_funcs = { - .fb_probe = omap_fbdev_create, -}; - -static struct drm_fb_helper *get_fb(struct fb_info *fbi) -{ - if (!fbi || strcmp(fbi->fix.id, MODULE_NAME)) { - /* these are not the fb's you're looking for */ - return NULL; - } - return fbi->par; -} - -/* initialize fbdev helper */ -void omap_fbdev_init(struct drm_device *dev) +void omap_fbdev_setup(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - struct omap_fbdev *fbdev = NULL; - struct drm_fb_helper *helper; - int ret = 0; - - if (!priv->num_pipes) - return; - - fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); - if (!fbdev) - goto fail; - - INIT_WORK(&fbdev->work, pan_worker); - - helper = &fbdev->base; - - drm_fb_helper_prepare(dev, helper, &omap_fb_helper_funcs); - - ret = drm_fb_helper_init(dev, helper); - if (ret) - goto fail; - - ret = drm_fb_helper_initial_config(helper, 32); - if (ret) - goto fini; - - priv->fbdev = helper; - - return; - -fini: - drm_fb_helper_fini(helper); -fail: - kfree(fbdev); - - dev_warn(dev->dev, "omap_fbdev_init failed\n"); -} - -void omap_fbdev_fini(struct drm_device *dev) -{ - struct omap_drm_private *priv = dev->dev_private; - struct drm_fb_helper *helper = priv->fbdev; struct omap_fbdev *fbdev; - DBG(); + drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); + drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); - if (!helper) + fbdev = drmm_kzalloc(dev, sizeof(*fbdev), GFP_KERNEL); + if (!fbdev) return; + fbdev->dev = dev; + INIT_WORK(&fbdev->work, pan_worker); - drm_fb_helper_unregister_fbi(helper); - - drm_fb_helper_fini(helper); - - fbdev = to_omap_fbdev(helper); - - /* unpin the GEM object pinned in omap_fbdev_create() */ - if (fbdev->bo) - omap_gem_unpin(fbdev->bo); - - /* this will free the backing object */ - if (fbdev->fb) - drm_framebuffer_remove(fbdev->fb); - - kfree(fbdev); + priv->fbdev = fbdev; - priv->fbdev = NULL; + drm_client_setup(dev, NULL); } diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.h b/drivers/gpu/drm/omapdrm/omap_fbdev.h index 74a68a5a6eab..283e35b42ada 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.h +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.h @@ -11,15 +11,18 @@ struct drm_device; struct drm_fb_helper; +struct drm_fb_helper_surface_size; #ifdef CONFIG_DRM_FBDEV_EMULATION -void omap_fbdev_init(struct drm_device *dev); -void omap_fbdev_fini(struct drm_device *dev); +int omap_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes); +#define OMAP_FBDEV_DRIVER_OPS \ + .fbdev_probe = omap_fbdev_driver_fbdev_probe +void omap_fbdev_setup(struct drm_device *dev); #else -static inline void omap_fbdev_init(struct drm_device *dev) -{ -} -static inline void omap_fbdev_fini(struct drm_device *dev) +#define OMAP_FBDEV_DRIVER_OPS \ + .fbdev_probe = NULL +static inline void omap_fbdev_setup(struct drm_device *dev) { } #endif diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 38af6195d959..71e79f53489a 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -8,9 +8,11 @@ #include <linux/seq_file.h> #include <linux/shmem_fs.h> #include <linux/spinlock.h> -#include <linux/pfn_t.h> +#include <linux/vmalloc.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_prime.h> +#include <drm/drm_print.h> #include <drm/drm_vma_manager.h> #include "omap_drv.h" @@ -38,7 +40,7 @@ struct omap_gem_object { /** roll applied when mapping to DMM */ u32 roll; - /** protects dma_addr_cnt, block, pages, dma_addrs and vaddr */ + /** protects pin_cnt, block, pages, dma_addrs and vaddr */ struct mutex lock; /** @@ -48,26 +50,26 @@ struct omap_gem_object { * OMAP_BO_MEM_DMA_API flag set) * * - buffers imported from dmabuf (with the OMAP_BO_MEM_DMABUF flag set) - * if they are physically contiguous (when sgt->orig_nents == 1) + * if they are physically contiguous * - * - buffers mapped through the TILER when dma_addr_cnt is not zero, in - * which case the DMA address points to the TILER aperture + * - buffers mapped through the TILER when pin_cnt is not zero, in which + * case the DMA address points to the TILER aperture * * Physically contiguous buffers have their DMA address equal to the * physical address as we don't remap those buffers through the TILER. * * Buffers mapped to the TILER have their DMA address pointing to the - * TILER aperture. As TILER mappings are refcounted (through - * dma_addr_cnt) the DMA address must be accessed through omap_gem_pin() - * to ensure that the mapping won't disappear unexpectedly. References - * must be released with omap_gem_unpin(). + * TILER aperture. As TILER mappings are refcounted (through pin_cnt) + * the DMA address must be accessed through omap_gem_pin() to ensure + * that the mapping won't disappear unexpectedly. References must be + * released with omap_gem_unpin(). */ dma_addr_t dma_addr; /** - * # of users of dma_addr + * # of users */ - refcount_t dma_addr_cnt; + refcount_t pin_cnt; /** * If the buffer has been imported from a dmabuf the OMAP_DB_DMABUF flag @@ -148,12 +150,18 @@ u64 omap_gem_mmap_offset(struct drm_gem_object *obj) return drm_vma_node_offset_addr(&obj->vma_node); } +static bool omap_gem_sgt_is_contiguous(struct sg_table *sgt, size_t size) +{ + return !(drm_prime_get_contiguous_size(sgt) < size); +} + static bool omap_gem_is_contiguous(struct omap_gem_object *omap_obj) { if (omap_obj->flags & OMAP_BO_MEM_DMA_API) return true; - if ((omap_obj->flags & OMAP_BO_MEM_DMABUF) && omap_obj->sgt->nents == 1) + if ((omap_obj->flags & OMAP_BO_MEM_DMABUF) && + omap_gem_sgt_is_contiguous(omap_obj->sgt, omap_obj->base.size)) return true; return false; @@ -364,8 +372,7 @@ static vm_fault_t omap_gem_fault_1d(struct drm_gem_object *obj, VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address, pfn, pfn << PAGE_SHIFT); - return vmf_insert_mixed(vma, vmf->address, - __pfn_to_pfn_t(pfn, PFN_DEV)); + return vmf_insert_mixed(vma, vmf->address, pfn); } /* Special handling for the case of faulting in 2d tiled buffers */ @@ -460,8 +467,7 @@ static vm_fault_t omap_gem_fault_2d(struct drm_gem_object *obj, pfn, pfn << PAGE_SHIFT); for (i = n; i > 0; i--) { - ret = vmf_insert_mixed(vma, - vaddr, __pfn_to_pfn_t(pfn, PFN_DEV)); + ret = vmf_insert_mixed(vma, vaddr, pfn); if (ret & VM_FAULT_ERROR) break; pfn += priv->usergart[fmt].stride_pfn; @@ -524,27 +530,11 @@ fail: return ret; } -/** We override mainly to fix up some of the vm mapping flags.. */ -int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma) -{ - int ret; - - ret = drm_gem_mmap(filp, vma); - if (ret) { - DBG("mmap failed: %d", ret); - return ret; - } - - return omap_gem_mmap_obj(vma->vm_private_data, vma); -} - -int omap_gem_mmap_obj(struct drm_gem_object *obj, - struct vm_area_struct *vma) +static int omap_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) { struct omap_gem_object *omap_obj = to_omap_bo(obj); - vma->vm_flags &= ~VM_PFNMAP; - vma->vm_flags |= VM_MIXEDMAP; + vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP | VM_IO | VM_MIXEDMAP); if (omap_obj->flags & OMAP_BO_WC) { vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); @@ -564,12 +554,14 @@ int omap_gem_mmap_obj(struct drm_gem_object *obj, * address_space (so unmap_mapping_range does what we want, * in particular in the case of mmap'd dmabufs) */ - vma->vm_pgoff = 0; + vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node); vma_set_file(vma, obj->filp); vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); } + vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); + return 0; } @@ -590,22 +582,20 @@ int omap_gem_mmap_obj(struct drm_gem_object *obj, int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { - union omap_gem_size gsize; - - args->pitch = DIV_ROUND_UP(args->width * args->bpp, 8); - - args->size = PAGE_ALIGN(args->pitch * args->height); + union omap_gem_size gsize = { }; + int ret; - gsize = (union omap_gem_size){ - .bytes = args->size, - }; + ret = drm_mode_size_dumb(dev, args, SZ_8, 0); + if (ret) + return ret; + gsize.bytes = args->size; return omap_gem_new_handle(dev, file, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC, &args->handle); } /** - * omap_gem_dumb_map - buffer mapping for dumb interface + * omap_gem_dumb_map_offset - create an offset for a dumb buffer * @file: our drm client file * @dev: drm device * @handle: GEM handle to the object (from dumb_create) @@ -750,6 +740,46 @@ void omap_gem_dma_sync_buffer(struct drm_gem_object *obj, } } +static int omap_gem_pin_tiler(struct drm_gem_object *obj) +{ + struct omap_gem_object *omap_obj = to_omap_bo(obj); + u32 npages = obj->size >> PAGE_SHIFT; + enum tiler_fmt fmt = gem2fmt(omap_obj->flags); + struct tiler_block *block; + int ret; + + BUG_ON(omap_obj->block); + + if (omap_obj->flags & OMAP_BO_TILED_MASK) { + block = tiler_reserve_2d(fmt, omap_obj->width, omap_obj->height, + PAGE_SIZE); + } else { + block = tiler_reserve_1d(obj->size); + } + + if (IS_ERR(block)) { + ret = PTR_ERR(block); + dev_err(obj->dev->dev, "could not remap: %d (%d)\n", ret, fmt); + goto fail; + } + + /* TODO: enable async refill.. */ + ret = tiler_pin(block, omap_obj->pages, npages, omap_obj->roll, true); + if (ret) { + tiler_release(block); + dev_err(obj->dev->dev, "could not pin: %d\n", ret); + goto fail; + } + + omap_obj->dma_addr = tiler_ssptr(block); + omap_obj->block = block; + + DBG("got dma address: %pad", &omap_obj->dma_addr); + +fail: + return ret; +} + /** * omap_gem_pin() - Pin a GEM object in memory * @obj: the GEM object @@ -772,63 +802,30 @@ int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr) mutex_lock(&omap_obj->lock); - if (!omap_gem_is_contiguous(omap_obj) && priv->has_dmm) { - if (refcount_read(&omap_obj->dma_addr_cnt) == 0) { - u32 npages = obj->size >> PAGE_SHIFT; - enum tiler_fmt fmt = gem2fmt(omap_obj->flags); - struct tiler_block *block; - - BUG_ON(omap_obj->block); + if (!omap_gem_is_contiguous(omap_obj)) { + if (refcount_read(&omap_obj->pin_cnt) == 0) { - refcount_set(&omap_obj->dma_addr_cnt, 1); + refcount_set(&omap_obj->pin_cnt, 1); ret = omap_gem_attach_pages(obj); if (ret) goto fail; - if (omap_obj->flags & OMAP_BO_TILED_MASK) { - block = tiler_reserve_2d(fmt, - omap_obj->width, - omap_obj->height, 0); - } else { - block = tiler_reserve_1d(obj->size); - } - - if (IS_ERR(block)) { - ret = PTR_ERR(block); - dev_err(obj->dev->dev, - "could not remap: %d (%d)\n", ret, fmt); - goto fail; - } - - /* TODO: enable async refill.. */ - ret = tiler_pin(block, omap_obj->pages, npages, - omap_obj->roll, true); - if (ret) { - tiler_release(block); - dev_err(obj->dev->dev, - "could not pin: %d\n", ret); - goto fail; + if (omap_obj->flags & OMAP_BO_SCANOUT) { + if (priv->has_dmm) { + ret = omap_gem_pin_tiler(obj); + if (ret) + goto fail; + } } - - omap_obj->dma_addr = tiler_ssptr(block); - omap_obj->block = block; - - DBG("got dma address: %pad", &omap_obj->dma_addr); } else { - refcount_inc(&omap_obj->dma_addr_cnt); + refcount_inc(&omap_obj->pin_cnt); } - - if (dma_addr) - *dma_addr = omap_obj->dma_addr; - } else if (omap_gem_is_contiguous(omap_obj)) { - if (dma_addr) - *dma_addr = omap_obj->dma_addr; - } else { - ret = -EINVAL; - goto fail; } + if (dma_addr) + *dma_addr = omap_obj->dma_addr; + fail: mutex_unlock(&omap_obj->lock); @@ -847,22 +844,31 @@ static void omap_gem_unpin_locked(struct drm_gem_object *obj) struct omap_gem_object *omap_obj = to_omap_bo(obj); int ret; - if (omap_gem_is_contiguous(omap_obj) || !priv->has_dmm) + if (omap_gem_is_contiguous(omap_obj)) return; - if (refcount_dec_and_test(&omap_obj->dma_addr_cnt)) { - ret = tiler_unpin(omap_obj->block); - if (ret) { - dev_err(obj->dev->dev, - "could not unpin pages: %d\n", ret); + if (refcount_dec_and_test(&omap_obj->pin_cnt)) { + if (omap_obj->sgt) { + sg_free_table(omap_obj->sgt); + kfree(omap_obj->sgt); + omap_obj->sgt = NULL; } - ret = tiler_release(omap_obj->block); - if (ret) { - dev_err(obj->dev->dev, - "could not release unmap: %d\n", ret); + if (!(omap_obj->flags & OMAP_BO_SCANOUT)) + return; + if (priv->has_dmm) { + ret = tiler_unpin(omap_obj->block); + if (ret) { + dev_err(obj->dev->dev, + "could not unpin pages: %d\n", ret); + } + ret = tiler_release(omap_obj->block); + if (ret) { + dev_err(obj->dev->dev, + "could not release unmap: %d\n", ret); + } + omap_obj->dma_addr = 0; + omap_obj->block = NULL; } - omap_obj->dma_addr = 0; - omap_obj->block = NULL; } } @@ -895,7 +901,7 @@ int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient, mutex_lock(&omap_obj->lock); - if ((refcount_read(&omap_obj->dma_addr_cnt) > 0) && omap_obj->block && + if ((refcount_read(&omap_obj->pin_cnt) > 0) && omap_obj->block && (omap_obj->flags & OMAP_BO_TILED_MASK)) { *dma_addr = tiler_tsptr(omap_obj->block, orient, x, y); ret = 0; @@ -963,6 +969,95 @@ int omap_gem_put_pages(struct drm_gem_object *obj) return 0; } +struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj, + enum dma_data_direction dir) +{ + struct omap_gem_object *omap_obj = to_omap_bo(obj); + dma_addr_t addr; + struct sg_table *sgt; + struct scatterlist *sg; + unsigned int count, len, stride, i; + int ret; + + ret = omap_gem_pin(obj, &addr); + if (ret) + return ERR_PTR(ret); + + mutex_lock(&omap_obj->lock); + + sgt = omap_obj->sgt; + if (sgt) + goto out; + + sgt = kzalloc(sizeof(*sgt), GFP_KERNEL); + if (!sgt) { + ret = -ENOMEM; + goto err_unpin; + } + + if (addr) { + if (omap_obj->flags & OMAP_BO_TILED_MASK) { + enum tiler_fmt fmt = gem2fmt(omap_obj->flags); + + len = omap_obj->width << (int)fmt; + count = omap_obj->height; + stride = tiler_stride(fmt, 0); + } else { + len = obj->size; + count = 1; + stride = 0; + } + } else { + count = obj->size >> PAGE_SHIFT; + } + + ret = sg_alloc_table(sgt, count, GFP_KERNEL); + if (ret) + goto err_free; + + /* this must be after omap_gem_pin() to ensure we have pages attached */ + omap_gem_dma_sync_buffer(obj, dir); + + if (addr) { + for_each_sg(sgt->sgl, sg, count, i) { + sg_set_page(sg, pfn_to_page(__phys_to_pfn(addr)), + len, offset_in_page(addr)); + sg_dma_address(sg) = addr; + sg_dma_len(sg) = len; + + addr += stride; + } + } else { + for_each_sg(sgt->sgl, sg, count, i) { + sg_set_page(sg, omap_obj->pages[i], PAGE_SIZE, 0); + sg_dma_address(sg) = omap_obj->dma_addrs[i]; + sg_dma_len(sg) = PAGE_SIZE; + } + } + + omap_obj->sgt = sgt; +out: + mutex_unlock(&omap_obj->lock); + return sgt; + +err_free: + kfree(sgt); +err_unpin: + mutex_unlock(&omap_obj->lock); + omap_gem_unpin(obj); + return ERR_PTR(ret); +} + +void omap_gem_put_sg(struct drm_gem_object *obj, struct sg_table *sgt) +{ + struct omap_gem_object *omap_obj = to_omap_bo(obj); + + if (WARN_ON(omap_obj->sgt != sgt)) + return; + + omap_gem_unpin(obj); +} + #ifdef CONFIG_DRM_FBDEV_EMULATION /* * Get kernel virtual address for CPU access.. this more or less only @@ -1047,7 +1142,7 @@ void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m) seq_printf(m, "%08x: %2d (%2d) %08llx %pad (%2d) %p %4d", omap_obj->flags, obj->name, kref_read(&obj->refcount), off, &omap_obj->dma_addr, - refcount_read(&omap_obj->dma_addr_cnt), + refcount_read(&omap_obj->pin_cnt), omap_obj->vaddr, omap_obj->roll); if (omap_obj->flags & OMAP_BO_TILED_MASK) { @@ -1110,7 +1205,7 @@ static void omap_gem_free_object(struct drm_gem_object *obj) mutex_lock(&omap_obj->lock); /* The object should not be pinned. */ - WARN_ON(refcount_read(&omap_obj->dma_addr_cnt) > 0); + WARN_ON(refcount_read(&omap_obj->pin_cnt) > 0); if (omap_obj->pages) { if (omap_obj->flags & OMAP_BO_MEM_DMABUF) @@ -1178,6 +1273,7 @@ static const struct vm_operations_struct omap_gem_vm_ops = { static const struct drm_gem_object_funcs omap_gem_object_funcs = { .free = omap_gem_free_object, .export = omap_gem_prime_export, + .mmap = omap_gem_object_mmap, .vm_ops = &omap_gem_vm_ops, }; @@ -1293,7 +1389,7 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, union omap_gem_size gsize; /* Without a DMM only physically contiguous buffers can be supported. */ - if (sgt->orig_nents != 1 && !priv->has_dmm) + if (!omap_gem_sgt_is_contiguous(sgt, size) && !priv->has_dmm) return ERR_PTR(-EINVAL); gsize.bytes = PAGE_ALIGN(size); @@ -1303,11 +1399,9 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, omap_obj = to_omap_bo(obj); - mutex_lock(&omap_obj->lock); - omap_obj->sgt = sgt; - if (sgt->orig_nents == 1) { + if (omap_gem_sgt_is_contiguous(sgt, size)) { omap_obj->dma_addr = sg_dma_address(sgt->sgl); } else { /* Create pages list from sgt */ @@ -1319,21 +1413,17 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, pages = kcalloc(npages, sizeof(*pages), GFP_KERNEL); if (!pages) { omap_gem_free_object(obj); - obj = ERR_PTR(-ENOMEM); - goto done; + return ERR_PTR(-ENOMEM); } omap_obj->pages = pages; ret = drm_prime_sg_to_page_array(sgt, pages, npages); if (ret) { omap_gem_free_object(obj); - obj = ERR_PTR(-ENOMEM); - goto done; + return ERR_PTR(-ENOMEM); } } -done: - mutex_unlock(&omap_obj->lock); return obj; } diff --git a/drivers/gpu/drm/omapdrm/omap_gem.h b/drivers/gpu/drm/omapdrm/omap_gem.h index eda9b4839c30..fec3fa0e4c33 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.h +++ b/drivers/gpu/drm/omapdrm/omap_gem.h @@ -57,9 +57,6 @@ int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); /* mmap() Interface */ -int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int omap_gem_mmap_obj(struct drm_gem_object *obj, - struct vm_area_struct *vma); u64 omap_gem_mmap_offset(struct drm_gem_object *obj); size_t omap_gem_mmap_size(struct drm_gem_object *obj); @@ -82,5 +79,8 @@ u32 omap_gem_flags(struct drm_gem_object *obj); int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, u32 orient, int x, int y, dma_addr_t *dma_addr); int omap_gem_tiled_stride(struct drm_gem_object *obj, u32 orient); +struct sg_table *omap_gem_get_sg(struct drm_gem_object *obj, + enum dma_data_direction dir); +void omap_gem_put_sg(struct drm_gem_object *obj, struct sg_table *sgt); #endif /* __OMAPDRM_GEM_H__ */ diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index f4cde3a169d8..30cf1cdc1aa3 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -11,6 +11,8 @@ #include "omap_drv.h" +MODULE_IMPORT_NS("DMA_BUF"); + /* ----------------------------------------------------------------------------- * DMABUF Export */ @@ -21,45 +23,18 @@ static struct sg_table *omap_gem_map_dma_buf( { struct drm_gem_object *obj = attachment->dmabuf->priv; struct sg_table *sg; - dma_addr_t dma_addr; - int ret; - - sg = kzalloc(sizeof(*sg), GFP_KERNEL); - if (!sg) - return ERR_PTR(-ENOMEM); - - /* camera, etc, need physically contiguous.. but we need a - * better way to know this.. - */ - ret = omap_gem_pin(obj, &dma_addr); - if (ret) - goto out; - - ret = sg_alloc_table(sg, 1, GFP_KERNEL); - if (ret) - goto out; - - sg_init_table(sg->sgl, 1); - sg_dma_len(sg->sgl) = obj->size; - sg_set_page(sg->sgl, pfn_to_page(PFN_DOWN(dma_addr)), obj->size, 0); - sg_dma_address(sg->sgl) = dma_addr; - - /* this must be after omap_gem_pin() to ensure we have pages attached */ - omap_gem_dma_sync_buffer(obj, dir); + sg = omap_gem_get_sg(obj, dir); + if (IS_ERR(sg)) + return sg; return sg; -out: - kfree(sg); - return ERR_PTR(ret); } static void omap_gem_unmap_dma_buf(struct dma_buf_attachment *attachment, struct sg_table *sg, enum dma_data_direction dir) { struct drm_gem_object *obj = attachment->dmabuf->priv; - omap_gem_unpin(obj); - sg_free_table(sg); - kfree(sg); + omap_gem_put_sg(obj, sg); } static int omap_gem_dmabuf_begin_cpu_access(struct dma_buf *buffer, @@ -89,13 +64,8 @@ static int omap_gem_dmabuf_mmap(struct dma_buf *buffer, struct vm_area_struct *vma) { struct drm_gem_object *obj = buffer->priv; - int ret = 0; - - ret = drm_gem_mmap_obj(obj, omap_gem_mmap_size(obj), vma); - if (ret < 0) - return ret; - return omap_gem_mmap_obj(obj, vma); + return drm_gem_mmap_obj(obj, omap_gem_mmap_size(obj), vma); } static const struct dma_buf_ops omap_dmabuf_ops = { @@ -112,9 +82,10 @@ struct dma_buf *omap_gem_prime_export(struct drm_gem_object *obj, int flags) DEFINE_DMA_BUF_EXPORT_INFO(exp_info); exp_info.ops = &omap_dmabuf_ops; - exp_info.size = obj->size; + exp_info.size = omap_gem_mmap_size(obj); exp_info.flags = flags; exp_info.priv = obj; + exp_info.resv = obj->resv; return drm_gem_dmabuf_export(obj->dev, &exp_info); } @@ -149,7 +120,7 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, get_dma_buf(dma_buf); - sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE); + sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE); if (IS_ERR(sgt)) { ret = PTR_ERR(sgt); goto fail_detach; @@ -166,7 +137,7 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, return obj; fail_unmap: - dma_buf_unmap_attachment(attach, sgt, DMA_TO_DEVICE); + dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_TO_DEVICE); fail_detach: dma_buf_detach(dma_buf, attach); dma_buf_put(dma_buf); diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 15148d4b35b5..943c5307da00 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -5,6 +5,7 @@ */ #include <drm/drm_vblank.h> +#include <drm/drm_print.h> #include "omap_drv.h" @@ -99,7 +100,7 @@ int omap_irq_enable_framedone(struct drm_crtc *crtc, bool enable) } /** - * enable_vblank - enable vblank interrupt events + * omap_irq_enable_vblank - enable vblank interrupt events * @crtc: DRM CRTC * * Enable vblank interrupts for @crtc. If the device doesn't have @@ -129,7 +130,7 @@ int omap_irq_enable_vblank(struct drm_crtc *crtc) } /** - * disable_vblank - disable vblank interrupt events + * omap_irq_disable_vblank - disable vblank interrupt events * @crtc: DRM CRTC * * Disable vblank interrupts for @crtc. If the device doesn't have @@ -253,13 +254,6 @@ static const u32 omap_underflow_irqs[] = { [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW, }; -/* - * We need a special version, instead of just using drm_irq_install(), - * because we need to register the irq via omapdss. Once omapdss and - * omapdrm are merged together we can assign the dispc hwmod data to - * ourselves and drop these and just use drm_irq_{install,uninstall}() - */ - int omap_drm_irq_install(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; @@ -291,7 +285,7 @@ int omap_drm_irq_install(struct drm_device *dev) if (ret < 0) return ret; - dev->irq_enabled = true; + priv->irq_enabled = true; return 0; } @@ -300,10 +294,10 @@ void omap_drm_irq_uninstall(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - if (!dev->irq_enabled) + if (!priv->irq_enabled) return; - dev->irq_enabled = false; + priv->irq_enabled = false; dispc_free_irq(priv->dispc, dev); } diff --git a/drivers/gpu/drm/omapdrm/omap_overlay.c b/drivers/gpu/drm/omapdrm/omap_overlay.c new file mode 100644 index 000000000000..6fb7510cbebb --- /dev/null +++ b/drivers/gpu/drm/omapdrm/omap_overlay.c @@ -0,0 +1,212 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * Author: Benoit Parrot <bparrot@ti.com> + */ + +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_print.h> + +#include "omap_dmm_tiler.h" +#include "omap_drv.h" + +/* + * overlay funcs + */ +static const char * const overlay_id_to_name[] = { + [OMAP_DSS_GFX] = "gfx", + [OMAP_DSS_VIDEO1] = "vid1", + [OMAP_DSS_VIDEO2] = "vid2", + [OMAP_DSS_VIDEO3] = "vid3", +}; + +/* + * Find a free overlay with the required caps and supported fourcc + */ +static struct omap_hw_overlay * +omap_plane_find_free_overlay(struct drm_device *dev, struct drm_plane *hwoverlay_to_plane[], + u32 caps, u32 fourcc) +{ + struct omap_drm_private *priv = dev->dev_private; + int i; + + DBG("caps: %x fourcc: %x", caps, fourcc); + + for (i = 0; i < priv->num_ovls; i++) { + struct omap_hw_overlay *cur = priv->overlays[i]; + + DBG("%d: id: %d cur->caps: %x", + cur->idx, cur->id, cur->caps); + + /* skip if already in-use */ + if (hwoverlay_to_plane[cur->idx]) + continue; + + /* skip if doesn't support some required caps: */ + if (caps & ~cur->caps) + continue; + + /* check supported format */ + if (!dispc_ovl_color_mode_supported(priv->dispc, + cur->id, fourcc)) + continue; + + return cur; + } + + DBG("no match"); + return NULL; +} + +/* + * Assign a new overlay to a plane with the required caps and supported fourcc + * If a plane need a new overlay, the previous one should have been released + * with omap_overlay_release() + * This should be called from the plane atomic_check() in order to prepare the + * next global overlay_map to be enabled when atomic transaction is valid. + */ +int omap_overlay_assign(struct drm_atomic_state *s, struct drm_plane *plane, + u32 caps, u32 fourcc, struct omap_hw_overlay **overlay, + struct omap_hw_overlay **r_overlay) +{ + /* Get the global state of the current atomic transaction */ + struct omap_global_state *state = omap_get_global_state(s); + struct drm_plane **overlay_map = state->hwoverlay_to_plane; + struct omap_hw_overlay *ovl, *r_ovl; + + ovl = omap_plane_find_free_overlay(s->dev, overlay_map, caps, fourcc); + if (!ovl) + return -ENOMEM; + + overlay_map[ovl->idx] = plane; + *overlay = ovl; + + if (r_overlay) { + r_ovl = omap_plane_find_free_overlay(s->dev, overlay_map, + caps, fourcc); + if (!r_ovl) { + overlay_map[ovl->idx] = NULL; + *overlay = NULL; + return -ENOMEM; + } + + overlay_map[r_ovl->idx] = plane; + *r_overlay = r_ovl; + } + + DBG("%s: assign to plane %s caps %x", ovl->name, plane->name, caps); + + if (r_overlay) { + DBG("%s: assign to right of plane %s caps %x", + r_ovl->name, plane->name, caps); + } + + return 0; +} + +/* + * Release an overlay from a plane if the plane gets not visible or the plane + * need a new overlay if overlay caps changes. + * This should be called from the plane atomic_check() in order to prepare the + * next global overlay_map to be enabled when atomic transaction is valid. + */ +void omap_overlay_release(struct drm_atomic_state *s, struct omap_hw_overlay *overlay) +{ + /* Get the global state of the current atomic transaction */ + struct omap_global_state *state = omap_get_global_state(s); + struct drm_plane **overlay_map = state->hwoverlay_to_plane; + + if (!overlay) + return; + + if (WARN_ON(!overlay_map[overlay->idx])) + return; + + DBG("%s: release from plane %s", overlay->name, overlay_map[overlay->idx]->name); + + overlay_map[overlay->idx] = NULL; +} + +/* + * Update an overlay state that was attached to a plane before the current atomic state. + * This should be called from the plane atomic_update() or atomic_disable(), + * where an overlay association to a plane could have changed between the old and current + * atomic state. + */ +void omap_overlay_update_state(struct omap_drm_private *priv, + struct omap_hw_overlay *overlay) +{ + struct omap_global_state *state = omap_get_existing_global_state(priv); + struct drm_plane **overlay_map = state->hwoverlay_to_plane; + + /* Check if this overlay is not used anymore, then disable it */ + if (!overlay_map[overlay->idx]) { + DBG("%s: disabled", overlay->name); + + /* disable the overlay */ + dispc_ovl_enable(priv->dispc, overlay->id, false); + } +} + +static void omap_overlay_destroy(struct omap_hw_overlay *overlay) +{ + kfree(overlay); +} + +static struct omap_hw_overlay *omap_overlay_init(enum omap_plane_id overlay_id, + enum omap_overlay_caps caps) +{ + struct omap_hw_overlay *overlay; + + overlay = kzalloc(sizeof(*overlay), GFP_KERNEL); + if (!overlay) + return ERR_PTR(-ENOMEM); + + overlay->name = overlay_id_to_name[overlay_id]; + overlay->id = overlay_id; + overlay->caps = caps; + + return overlay; +} + +int omap_hwoverlays_init(struct omap_drm_private *priv) +{ + static const enum omap_plane_id hw_plane_ids[] = { + OMAP_DSS_GFX, OMAP_DSS_VIDEO1, + OMAP_DSS_VIDEO2, OMAP_DSS_VIDEO3, + }; + u32 num_overlays = dispc_get_num_ovls(priv->dispc); + enum omap_overlay_caps caps; + int i, ret; + + for (i = 0; i < num_overlays; i++) { + struct omap_hw_overlay *overlay; + + caps = dispc_ovl_get_caps(priv->dispc, hw_plane_ids[i]); + overlay = omap_overlay_init(hw_plane_ids[i], caps); + if (IS_ERR(overlay)) { + ret = PTR_ERR(overlay); + dev_err(priv->dev, "failed to construct overlay for %s (%d)\n", + overlay_id_to_name[i], ret); + omap_hwoverlays_destroy(priv); + return ret; + } + overlay->idx = priv->num_ovls; + priv->overlays[priv->num_ovls++] = overlay; + } + + return 0; +} + +void omap_hwoverlays_destroy(struct omap_drm_private *priv) +{ + int i; + + for (i = 0; i < priv->num_ovls; i++) { + omap_overlay_destroy(priv->overlays[i]); + priv->overlays[i] = NULL; + } + + priv->num_ovls = 0; +} diff --git a/drivers/gpu/drm/omapdrm/omap_overlay.h b/drivers/gpu/drm/omapdrm/omap_overlay.h new file mode 100644 index 000000000000..e36a43f35563 --- /dev/null +++ b/drivers/gpu/drm/omapdrm/omap_overlay.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * Author: Benoit Parrot <bparrot@ti.com> + */ + +#ifndef __OMAPDRM_OVERLAY_H__ +#define __OMAPDRM_OVERLAY_H__ + +#include <linux/types.h> + +enum drm_plane_type; + +struct drm_device; +struct drm_mode_object; +struct drm_plane; + +/* Used to associate a HW overlay/plane to a plane */ +struct omap_hw_overlay { + unsigned int idx; + + const char *name; + enum omap_plane_id id; + + enum omap_overlay_caps caps; +}; + +int omap_hwoverlays_init(struct omap_drm_private *priv); +void omap_hwoverlays_destroy(struct omap_drm_private *priv); +int omap_overlay_assign(struct drm_atomic_state *s, struct drm_plane *plane, + u32 caps, u32 fourcc, struct omap_hw_overlay **overlay, + struct omap_hw_overlay **r_overlay); +void omap_overlay_release(struct drm_atomic_state *s, struct omap_hw_overlay *overlay); +void omap_overlay_update_state(struct omap_drm_private *priv, struct omap_hw_overlay *overlay); +#endif /* __OMAPDRM_OVERLAY_H__ */ diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index 801da917507d..f9698890c989 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -6,7 +6,11 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> -#include <drm/drm_plane_helper.h> +#include <drm/drm_blend.h> +#include <drm/drm_gem_atomic_helper.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_print.h> #include "omap_dmm_tiler.h" #include "omap_drv.h" @@ -15,20 +19,38 @@ * plane funcs */ +#define to_omap_plane_state(x) container_of(x, struct omap_plane_state, base) + +struct omap_plane_state { + /* Must be first. */ + struct drm_plane_state base; + + struct omap_hw_overlay *overlay; + struct omap_hw_overlay *r_overlay; /* right overlay */ +}; + #define to_omap_plane(x) container_of(x, struct omap_plane, base) struct omap_plane { struct drm_plane base; enum omap_plane_id id; - const char *name; }; +bool is_omap_plane_dual_overlay(struct drm_plane_state *state) +{ + struct omap_plane_state *omap_state = to_omap_plane_state(state); + + return !!omap_state->r_overlay; +} + static int omap_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { if (!new_state->fb) return 0; + drm_gem_plane_helper_prepare_fb(plane, new_state); + return omap_framebuffer_pin(new_state->fb); } @@ -43,13 +65,35 @@ static void omap_plane_atomic_update(struct drm_plane *plane, struct drm_atomic_state *state) { struct omap_drm_private *priv = plane->dev->dev_private; - struct omap_plane *omap_plane = to_omap_plane(plane); struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); - struct omap_overlay_info info; + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, + plane); + struct omap_plane_state *new_omap_state; + struct omap_plane_state *old_omap_state; + struct omap_overlay_info info, r_info; + enum omap_plane_id ovl_id, r_ovl_id; int ret; + bool dual_ovl; + + new_omap_state = to_omap_plane_state(new_state); + old_omap_state = to_omap_plane_state(old_state); - DBG("%s, crtc=%p fb=%p", omap_plane->name, new_state->crtc, + dual_ovl = is_omap_plane_dual_overlay(new_state); + + /* Cleanup previously held overlay if needed */ + if (old_omap_state->overlay) + omap_overlay_update_state(priv, old_omap_state->overlay); + if (old_omap_state->r_overlay) + omap_overlay_update_state(priv, old_omap_state->r_overlay); + + if (!new_omap_state->overlay) { + DBG("[PLANE:%d:%s] no overlay attached", plane->base.id, plane->name); + return; + } + + ovl_id = new_omap_state->overlay->id; + DBG("%s, crtc=%p fb=%p", plane->name, new_state->crtc, new_state->fb); memset(&info, 0, sizeof(info)); @@ -64,65 +108,155 @@ static void omap_plane_atomic_update(struct drm_plane *plane, info.color_encoding = new_state->color_encoding; info.color_range = new_state->color_range; + r_info = info; + /* update scanout: */ - omap_framebuffer_update_scanout(new_state->fb, new_state, &info); + omap_framebuffer_update_scanout(new_state->fb, new_state, &info, + dual_ovl ? &r_info : NULL); - DBG("%dx%d -> %dx%d (%d)", info.width, info.height, - info.out_width, info.out_height, - info.screen_width); + DBG("%s: %dx%d -> %dx%d (%d)", + new_omap_state->overlay->name, info.width, info.height, + info.out_width, info.out_height, info.screen_width); DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, &info.paddr, &info.p_uv_addr); + if (dual_ovl) { + r_ovl_id = new_omap_state->r_overlay->id; + /* + * If the current plane uses 2 hw planes the very next + * zorder is used by the r_overlay so we just use the + * main overlay zorder + 1 + */ + r_info.zorder = info.zorder + 1; + + DBG("%s: %dx%d -> %dx%d (%d)", + new_omap_state->r_overlay->name, + r_info.width, r_info.height, + r_info.out_width, r_info.out_height, r_info.screen_width); + DBG("%d,%d %pad %pad", r_info.pos_x, r_info.pos_y, + &r_info.paddr, &r_info.p_uv_addr); + } + /* and finally, update omapdss: */ - ret = dispc_ovl_setup(priv->dispc, omap_plane->id, &info, + ret = dispc_ovl_setup(priv->dispc, ovl_id, &info, omap_crtc_timings(new_state->crtc), false, omap_crtc_channel(new_state->crtc)); if (ret) { dev_err(plane->dev->dev, "Failed to setup plane %s\n", - omap_plane->name); - dispc_ovl_enable(priv->dispc, omap_plane->id, false); + plane->name); + dispc_ovl_enable(priv->dispc, ovl_id, false); return; } - dispc_ovl_enable(priv->dispc, omap_plane->id, true); + dispc_ovl_enable(priv->dispc, ovl_id, true); + + if (dual_ovl) { + ret = dispc_ovl_setup(priv->dispc, r_ovl_id, &r_info, + omap_crtc_timings(new_state->crtc), false, + omap_crtc_channel(new_state->crtc)); + if (ret) { + dev_err(plane->dev->dev, "Failed to setup plane right-overlay %s\n", + plane->name); + dispc_ovl_enable(priv->dispc, r_ovl_id, false); + dispc_ovl_enable(priv->dispc, ovl_id, false); + return; + } + + dispc_ovl_enable(priv->dispc, r_ovl_id, true); + } } static void omap_plane_atomic_disable(struct drm_plane *plane, struct drm_atomic_state *state) { - struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, - plane); struct omap_drm_private *priv = plane->dev->dev_private; struct omap_plane *omap_plane = to_omap_plane(plane); + struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, + plane); + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, + plane); + struct omap_plane_state *new_omap_state; + struct omap_plane_state *old_omap_state; + + new_omap_state = to_omap_plane_state(new_state); + old_omap_state = to_omap_plane_state(old_state); + + if (!old_omap_state->overlay) + return; new_state->rotation = DRM_MODE_ROTATE_0; new_state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : omap_plane->id; - dispc_ovl_enable(priv->dispc, omap_plane->id, false); + omap_overlay_update_state(priv, old_omap_state->overlay); + new_omap_state->overlay = NULL; + + if (is_omap_plane_dual_overlay(old_state)) { + omap_overlay_update_state(priv, old_omap_state->r_overlay); + new_omap_state->r_overlay = NULL; + } } +#define FRAC_16_16(mult, div) (((mult) << 16) / (div)) + static int omap_plane_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); + struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, + plane); + struct omap_drm_private *priv = plane->dev->dev_private; + struct omap_plane_state *omap_state = to_omap_plane_state(new_plane_state); + struct omap_global_state *omap_overlay_global_state; struct drm_crtc_state *crtc_state; + bool new_r_hw_overlay = false; + bool new_hw_overlay = false; + u32 max_width, max_height; + struct drm_crtc *crtc; + u16 width, height; + u32 caps = 0; + u32 fourcc; + int ret; - if (!new_plane_state->fb) - return 0; + omap_overlay_global_state = omap_get_global_state(state); + if (IS_ERR(omap_overlay_global_state)) + return PTR_ERR(omap_overlay_global_state); - /* crtc should only be NULL when disabling (i.e., !new_plane_state->fb) */ - if (WARN_ON(!new_plane_state->crtc)) + dispc_ovl_get_max_size(priv->dispc, &width, &height); + max_width = width << 16; + max_height = height << 16; + + crtc = new_plane_state->crtc ? new_plane_state->crtc : plane->state->crtc; + if (!crtc) return 0; - crtc_state = drm_atomic_get_existing_crtc_state(state, - new_plane_state->crtc); + crtc_state = drm_atomic_get_new_crtc_state(state, crtc); /* we should have a crtc state if the plane is attached to a crtc */ if (WARN_ON(!crtc_state)) return 0; - if (!crtc_state->enable) + /* + * Note: these are just sanity checks to filter out totally bad scaling + * factors. The real limits must be calculated case by case, and + * unfortunately we currently do those checks only at the commit + * phase in dispc. + */ + ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, + FRAC_16_16(1, 8), FRAC_16_16(8, 1), + true, true); + if (ret) + return ret; + + DBG("%s: visible %d -> %d", plane->name, + old_plane_state->visible, new_plane_state->visible); + + if (!new_plane_state->visible) { + omap_overlay_release(state, omap_state->overlay); + omap_overlay_release(state, omap_state->r_overlay); + omap_state->overlay = NULL; + omap_state->r_overlay = NULL; return 0; + } if (new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0) return -EINVAL; @@ -133,10 +267,96 @@ static int omap_plane_atomic_check(struct drm_plane *plane, if (new_plane_state->crtc_y + new_plane_state->crtc_h > crtc_state->adjusted_mode.vdisplay) return -EINVAL; + /* Make sure dimensions are within bounds. */ + if (new_plane_state->src_h > max_height || new_plane_state->crtc_h > height) + return -EINVAL; + + + if (new_plane_state->src_w > max_width || new_plane_state->crtc_w > width) { + bool is_fourcc_yuv = new_plane_state->fb->format->is_yuv; + + if (is_fourcc_yuv && (((new_plane_state->src_w >> 16) / 2 & 1) || + new_plane_state->crtc_w / 2 & 1)) { + /* + * When calculating the split overlay width + * and it yield an odd value we will need to adjust + * the indivual width +/- 1. So make sure it fits + */ + if (new_plane_state->src_w <= ((2 * width - 1) << 16) && + new_plane_state->crtc_w <= (2 * width - 1)) + new_r_hw_overlay = true; + else + return -EINVAL; + } else { + if (new_plane_state->src_w <= (2 * max_width) && + new_plane_state->crtc_w <= (2 * width)) + new_r_hw_overlay = true; + else + return -EINVAL; + } + } + if (new_plane_state->rotation != DRM_MODE_ROTATE_0 && !omap_framebuffer_supports_rotation(new_plane_state->fb)) return -EINVAL; + if ((new_plane_state->src_w >> 16) != new_plane_state->crtc_w || + (new_plane_state->src_h >> 16) != new_plane_state->crtc_h) + caps |= OMAP_DSS_OVL_CAP_SCALE; + + fourcc = new_plane_state->fb->format->format; + + /* + * (re)allocate hw overlay if we don't have one or + * there is a caps mismatch + */ + if (!omap_state->overlay || (caps & ~omap_state->overlay->caps)) { + new_hw_overlay = true; + } else { + /* check supported format */ + if (!dispc_ovl_color_mode_supported(priv->dispc, omap_state->overlay->id, + fourcc)) + new_hw_overlay = true; + } + + /* + * check if we need two overlays and only have 1 or + * if we had 2 overlays but will only need 1 + */ + if ((new_r_hw_overlay && !omap_state->r_overlay) || + (!new_r_hw_overlay && omap_state->r_overlay)) + new_hw_overlay = true; + + if (new_hw_overlay) { + struct omap_hw_overlay *old_ovl = omap_state->overlay; + struct omap_hw_overlay *old_r_ovl = omap_state->r_overlay; + struct omap_hw_overlay *new_ovl = NULL; + struct omap_hw_overlay *new_r_ovl = NULL; + + omap_overlay_release(state, old_ovl); + omap_overlay_release(state, old_r_ovl); + + ret = omap_overlay_assign(state, plane, caps, fourcc, &new_ovl, + new_r_hw_overlay ? &new_r_ovl : NULL); + if (ret) { + DBG("%s: failed to assign hw_overlay", plane->name); + omap_state->overlay = NULL; + omap_state->r_overlay = NULL; + return ret; + } + + omap_state->overlay = new_ovl; + if (new_r_hw_overlay) + omap_state->r_overlay = new_r_ovl; + else + omap_state->r_overlay = NULL; + } + + DBG("plane: %s overlay_id: %d", plane->name, omap_state->overlay->id); + + if (omap_state->r_overlay) + DBG("plane: %s r_overlay_id: %d", plane->name, omap_state->r_overlay->id); + return 0; } @@ -152,7 +372,7 @@ static void omap_plane_destroy(struct drm_plane *plane) { struct omap_plane *omap_plane = to_omap_plane(plane); - DBG("%s", omap_plane->name); + DBG("%s", plane->name); drm_plane_cleanup(plane); @@ -185,20 +405,57 @@ void omap_plane_install_properties(struct drm_plane *plane, static void omap_plane_reset(struct drm_plane *plane) { - struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_plane_state *omap_state; + + if (plane->state) + drm_atomic_helper_plane_destroy_state(plane, plane->state); - drm_atomic_helper_plane_reset(plane); - if (!plane->state) + omap_state = kzalloc(sizeof(*omap_state), GFP_KERNEL); + if (!omap_state) return; - /* - * Set the zpos default depending on whether we are a primary or overlay - * plane. - */ - plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY - ? 0 : omap_plane->id; - plane->state->color_encoding = DRM_COLOR_YCBCR_BT601; - plane->state->color_range = DRM_COLOR_YCBCR_FULL_RANGE; + __drm_atomic_helper_plane_reset(plane, &omap_state->base); +} + +static struct drm_plane_state * +omap_plane_atomic_duplicate_state(struct drm_plane *plane) +{ + struct omap_plane_state *state, *current_state; + + if (WARN_ON(!plane->state)) + return NULL; + + current_state = to_omap_plane_state(plane->state); + + state = kmalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_plane_duplicate_state(plane, &state->base); + + state->overlay = current_state->overlay; + state->r_overlay = current_state->r_overlay; + + return &state->base; +} + +static void omap_plane_atomic_print_state(struct drm_printer *p, + const struct drm_plane_state *state) +{ + struct omap_plane_state *omap_state = to_omap_plane_state(state); + + if (omap_state->overlay) + drm_printf(p, "\toverlay=%s (caps=0x%x)\n", + omap_state->overlay->name, + omap_state->overlay->caps); + else + drm_printf(p, "\toverlay=None\n"); + if (omap_state->r_overlay) + drm_printf(p, "\tr_overlay=%s (caps=0x%x)\n", + omap_state->r_overlay->name, + omap_state->r_overlay->caps); + else + drm_printf(p, "\tr_overlay=None\n"); } static int omap_plane_atomic_set_property(struct drm_plane *plane, @@ -236,10 +493,11 @@ static const struct drm_plane_funcs omap_plane_funcs = { .disable_plane = drm_atomic_helper_disable_plane, .reset = omap_plane_reset, .destroy = omap_plane_destroy, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_duplicate_state = omap_plane_atomic_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, .atomic_set_property = omap_plane_atomic_set_property, .atomic_get_property = omap_plane_atomic_get_property, + .atomic_print_state = omap_plane_atomic_print_state, }; static bool omap_plane_supports_yuv(struct drm_plane *plane) @@ -258,20 +516,6 @@ static bool omap_plane_supports_yuv(struct drm_plane *plane) return false; } -static const char *plane_id_to_name[] = { - [OMAP_DSS_GFX] = "gfx", - [OMAP_DSS_VIDEO1] = "vid1", - [OMAP_DSS_VIDEO2] = "vid2", - [OMAP_DSS_VIDEO3] = "vid3", -}; - -static const enum omap_plane_id plane_idx_to_id[] = { - OMAP_DSS_GFX, - OMAP_DSS_VIDEO1, - OMAP_DSS_VIDEO2, - OMAP_DSS_VIDEO3, -}; - /* initialize plane */ struct drm_plane *omap_plane_init(struct drm_device *dev, int idx, enum drm_plane_type type, @@ -281,27 +525,26 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, unsigned int num_planes = dispc_get_num_ovls(priv->dispc); struct drm_plane *plane; struct omap_plane *omap_plane; - enum omap_plane_id id; + unsigned int zpos; int ret; u32 nformats; const u32 *formats; - if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id))) + if (WARN_ON(idx >= num_planes)) return ERR_PTR(-EINVAL); - id = plane_idx_to_id[idx]; - - DBG("%s: type=%d", plane_id_to_name[id], type); - omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); if (!omap_plane) return ERR_PTR(-ENOMEM); - formats = dispc_ovl_get_color_modes(priv->dispc, id); + omap_plane->id = idx; + + DBG("%d: type=%d", omap_plane->id, type); + DBG(" crtc_mask: 0x%04x", possible_crtcs); + + formats = dispc_ovl_get_color_modes(priv->dispc, omap_plane->id); for (nformats = 0; formats[nformats]; ++nformats) ; - omap_plane->id = id; - omap_plane->name = plane_id_to_name[id]; plane = &omap_plane->base; @@ -314,7 +557,16 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, drm_plane_helper_add(plane, &omap_plane_helper_funcs); omap_plane_install_properties(plane, &plane->base); - drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1); + + /* + * Set the zpos default depending on whether we are a primary or overlay + * plane. + */ + if (plane->type == DRM_PLANE_TYPE_PRIMARY) + zpos = 0; + else + zpos = omap_plane->id; + drm_plane_create_zpos_property(plane, zpos, 0, num_planes - 1); drm_plane_create_alpha_property(plane); drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PREMULTI) | BIT(DRM_MODE_BLEND_COVERAGE)); @@ -331,8 +583,8 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, return plane; error: - dev_err(dev->dev, "%s(): could not create plane: %s\n", - __func__, plane_id_to_name[id]); + dev_err(dev->dev, "%s(): could not create plane: %d\n", + __func__, omap_plane->id); kfree(omap_plane); return NULL; diff --git a/drivers/gpu/drm/omapdrm/omap_plane.h b/drivers/gpu/drm/omapdrm/omap_plane.h index 0c28fe8ffa20..a9a33e12722a 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.h +++ b/drivers/gpu/drm/omapdrm/omap_plane.h @@ -22,5 +22,6 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, u32 possible_crtcs); void omap_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj); +bool is_omap_plane_dual_overlay(struct drm_plane_state *state); #endif /* __OMAPDRM_PLANE_H__ */ diff --git a/drivers/gpu/drm/omapdrm/tcm-sita.c b/drivers/gpu/drm/omapdrm/tcm-sita.c index 8338dc665301..fde0208ec01e 100644 --- a/drivers/gpu/drm/omapdrm/tcm-sita.c +++ b/drivers/gpu/drm/omapdrm/tcm-sita.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * SImple Tiler Allocator (SiTA): 2D and 1D allocation(reservation) algorithm * @@ -6,15 +7,6 @@ * Andy Gross <andy.gross@ti.com> * * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * */ #include <linux/init.h> #include <linux/module.h> |
