diff options
Diffstat (limited to 'drivers/gpu/drm/tegra')
27 files changed, 750 insertions, 414 deletions
diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig index 84e7e6bc3a0c..8a3b16aac5d6 100644 --- a/drivers/gpu/drm/tegra/Kconfig +++ b/drivers/gpu/drm/tegra/Kconfig @@ -5,10 +5,12 @@ config DRM_TEGRA depends on COMMON_CLK depends on DRM depends on OF + select DRM_CLIENT_SELECTION select DRM_DISPLAY_DP_HELPER select DRM_DISPLAY_HDMI_HELPER select DRM_DISPLAY_HELPER - select DRM_DP_AUX_BUS + select DRM_BRIDGE_CONNECTOR + select DRM_DISPLAY_DP_AUX_BUS select DRM_KMS_HELPER select DRM_MIPI_DSI select DRM_PANEL diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile index 6fc4b504e786..e399b40d64a1 100644 --- a/drivers/gpu/drm/tegra/Makefile +++ b/drivers/gpu/drm/tegra/Makefile @@ -25,6 +25,7 @@ tegra-drm-y := \ falcon.o \ vic.o \ nvdec.o \ + nvjpg.o \ riscv.o tegra-drm-y += trace.o diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 13b182ab905f..01e9d5011dd8 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -27,6 +27,7 @@ #include <drm/drm_debugfs.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> +#include <drm/drm_print.h> #include <drm/drm_vblank.h> #include "dc.h" @@ -1025,14 +1026,15 @@ static void tegra_cursor_atomic_disable(struct drm_plane *plane, tegra_dc_writel(dc, value, DC_DISP_DISP_WIN_OPTIONS); } -static int tegra_cursor_atomic_async_check(struct drm_plane *plane, struct drm_atomic_state *state) +static int tegra_cursor_atomic_async_check(struct drm_plane *plane, struct drm_atomic_state *state, + bool flip) { struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); struct drm_crtc_state *crtc_state; int min_scale, max_scale; int err; - crtc_state = drm_atomic_get_existing_crtc_state(state, new_state->crtc); + crtc_state = drm_atomic_get_new_crtc_state(state, new_state->crtc); if (WARN_ON(!crtc_state)) return -EINVAL; @@ -1320,10 +1322,16 @@ static struct drm_plane *tegra_dc_add_shared_planes(struct drm_device *drm, if (wgrp->dc == dc->pipe) { for (j = 0; j < wgrp->num_windows; j++) { unsigned int index = wgrp->windows[j]; + enum drm_plane_type type; + + if (primary) + type = DRM_PLANE_TYPE_OVERLAY; + else + type = DRM_PLANE_TYPE_PRIMARY; plane = tegra_shared_plane_create(drm, dc, wgrp->index, - index); + index, type); if (IS_ERR(plane)) return plane; @@ -1331,10 +1339,8 @@ static struct drm_plane *tegra_dc_add_shared_planes(struct drm_device *drm, * Choose the first shared plane owned by this * head as the primary plane. */ - if (!primary) { - plane->type = DRM_PLANE_TYPE_PRIMARY; + if (!primary) primary = plane; - } } } } @@ -1388,7 +1394,10 @@ static void tegra_crtc_reset(struct drm_crtc *crtc) if (crtc->state) tegra_crtc_atomic_destroy_state(crtc, crtc->state); - __drm_atomic_helper_crtc_reset(crtc, &state->base); + if (state) + __drm_atomic_helper_crtc_reset(crtc, &state->base); + else + __drm_atomic_helper_crtc_reset(crtc, NULL); } static struct drm_crtc_state * @@ -1746,8 +1755,15 @@ static void tegra_dc_early_unregister(struct drm_crtc *crtc) unsigned int count = ARRAY_SIZE(debugfs_files); struct drm_minor *minor = crtc->dev->primary; struct tegra_dc *dc = to_tegra_dc(crtc); + struct dentry *root; + +#ifdef CONFIG_DEBUG_FS + root = crtc->debugfs_entry; +#else + root = NULL; +#endif - drm_debugfs_remove_files(dc->debugfs_files, count, minor); + drm_debugfs_remove_files(dc->debugfs_files, count, root, minor); kfree(dc->debugfs_files); dc->debugfs_files = NULL; } @@ -3133,6 +3149,7 @@ static int tegra_dc_couple(struct tegra_dc *dc) dc->client.parent = &parent->client; dev_dbg(dc->dev, "coupled to %s\n", dev_name(companion)); + put_device(companion); } return 0; @@ -3279,5 +3296,5 @@ struct platform_driver tegra_dc_driver = { .of_match_table = tegra_dc_of_match, }, .probe = tegra_dc_probe, - .remove_new = tegra_dc_remove, + .remove = tegra_dc_remove, }; diff --git a/drivers/gpu/drm/tegra/dp.c b/drivers/gpu/drm/tegra/dp.c index 08fbd8f151a1..990e744b0923 100644 --- a/drivers/gpu/drm/tegra/dp.c +++ b/drivers/gpu/drm/tegra/dp.c @@ -256,73 +256,6 @@ int drm_dp_link_probe(struct drm_dp_aux *aux, struct drm_dp_link *link) } /** - * drm_dp_link_power_up() - power up a DisplayPort link - * @aux: DisplayPort AUX channel - * @link: pointer to a structure containing the link configuration - * - * Returns 0 on success or a negative error code on failure. - */ -int drm_dp_link_power_up(struct drm_dp_aux *aux, struct drm_dp_link *link) -{ - u8 value; - int err; - - /* DP_SET_POWER register is only available on DPCD v1.1 and later */ - if (link->revision < 0x11) - return 0; - - err = drm_dp_dpcd_readb(aux, DP_SET_POWER, &value); - if (err < 0) - return err; - - value &= ~DP_SET_POWER_MASK; - value |= DP_SET_POWER_D0; - - err = drm_dp_dpcd_writeb(aux, DP_SET_POWER, value); - if (err < 0) - return err; - - /* - * According to the DP 1.1 specification, a "Sink Device must exit the - * power saving state within 1 ms" (Section 2.5.3.1, Table 5-52, "Sink - * Control Field" (register 0x600). - */ - usleep_range(1000, 2000); - - return 0; -} - -/** - * drm_dp_link_power_down() - power down a DisplayPort link - * @aux: DisplayPort AUX channel - * @link: pointer to a structure containing the link configuration - * - * Returns 0 on success or a negative error code on failure. - */ -int drm_dp_link_power_down(struct drm_dp_aux *aux, struct drm_dp_link *link) -{ - u8 value; - int err; - - /* DP_SET_POWER register is only available on DPCD v1.1 and later */ - if (link->revision < 0x11) - return 0; - - err = drm_dp_dpcd_readb(aux, DP_SET_POWER, &value); - if (err < 0) - return err; - - value &= ~DP_SET_POWER_MASK; - value |= DP_SET_POWER_D3; - - err = drm_dp_dpcd_writeb(aux, DP_SET_POWER, value); - if (err < 0) - return err; - - return 0; -} - -/** * drm_dp_link_configure() - configure a DisplayPort link * @aux: DisplayPort AUX channel * @link: pointer to a structure containing the link configuration diff --git a/drivers/gpu/drm/tegra/dp.h b/drivers/gpu/drm/tegra/dp.h index cb12ed0c54e7..695060cafac0 100644 --- a/drivers/gpu/drm/tegra/dp.h +++ b/drivers/gpu/drm/tegra/dp.h @@ -164,8 +164,6 @@ int drm_dp_link_remove_rate(struct drm_dp_link *link, unsigned long rate); void drm_dp_link_update_rates(struct drm_dp_link *link); int drm_dp_link_probe(struct drm_dp_aux *aux, struct drm_dp_link *link); -int drm_dp_link_power_up(struct drm_dp_aux *aux, struct drm_dp_link *link); -int drm_dp_link_power_down(struct drm_dp_aux *aux, struct drm_dp_link *link); int drm_dp_link_configure(struct drm_dp_aux *aux, struct drm_dp_link *link); int drm_dp_link_choose(struct drm_dp_link *link, const struct drm_display_mode *mode, diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c index ef02d530f78d..e5297ac5c0fc 100644 --- a/drivers/gpu/drm/tegra/dpaux.c +++ b/drivers/gpu/drm/tegra/dpaux.c @@ -501,14 +501,9 @@ static int tegra_dpaux_probe(struct platform_device *pdev) dpaux->vdd = devm_regulator_get_optional(&pdev->dev, "vdd"); if (IS_ERR(dpaux->vdd)) { - if (PTR_ERR(dpaux->vdd) != -ENODEV) { - if (PTR_ERR(dpaux->vdd) != -EPROBE_DEFER) - dev_err(&pdev->dev, - "failed to get VDD supply: %ld\n", - PTR_ERR(dpaux->vdd)); - - return PTR_ERR(dpaux->vdd); - } + if (PTR_ERR(dpaux->vdd) != -ENODEV) + return dev_err_probe(&pdev->dev, PTR_ERR(dpaux->vdd), + "failed to get VDD supply\n"); dpaux->vdd = NULL; } @@ -522,7 +517,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev) if (err < 0) { dev_err(dpaux->dev, "failed to request IRQ#%u: %d\n", dpaux->irq, err); - return err; + goto err_pm_disable; } disable_irq(dpaux->irq); @@ -542,7 +537,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev) */ err = tegra_dpaux_pad_config(dpaux, DPAUX_PADCTL_FUNC_I2C); if (err < 0) - return err; + goto err_pm_disable; #ifdef CONFIG_GENERIC_PINCONF dpaux->desc.name = dev_name(&pdev->dev); @@ -555,7 +550,8 @@ static int tegra_dpaux_probe(struct platform_device *pdev) dpaux->pinctrl = devm_pinctrl_register(&pdev->dev, &dpaux->desc, dpaux); if (IS_ERR(dpaux->pinctrl)) { dev_err(&pdev->dev, "failed to register pincontrol\n"); - return PTR_ERR(dpaux->pinctrl); + err = PTR_ERR(dpaux->pinctrl); + goto err_pm_disable; } #endif /* enable and clear all interrupts */ @@ -571,10 +567,15 @@ static int tegra_dpaux_probe(struct platform_device *pdev) err = devm_of_dp_aux_populate_ep_devices(&dpaux->aux); if (err < 0) { dev_err(dpaux->dev, "failed to populate AUX bus: %d\n", err); - return err; + goto err_pm_disable; } return 0; + +err_pm_disable: + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + return err; } static void tegra_dpaux_remove(struct platform_device *pdev) @@ -691,7 +692,7 @@ struct platform_driver tegra_dpaux_driver = { .pm = pm_ptr(&tegra_dpaux_pm_ops), }, .probe = tegra_dpaux_probe, - .remove_new = tegra_dpaux_remove, + .remove = tegra_dpaux_remove, }; struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np) diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index ff36171c8fb7..1d18d43292dc 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -4,6 +4,7 @@ * Copyright (C) 2012-2016 NVIDIA CORPORATION. All rights reserved. */ +#include <linux/aperture.h> #include <linux/bitops.h> #include <linux/host1x.h> #include <linux/idr.h> @@ -12,7 +13,7 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> -#include <drm/drm_aperture.h> +#include <drm/clients/drm_client_setup.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_debugfs.h> @@ -21,6 +22,7 @@ #include <drm/drm_framebuffer.h> #include <drm/drm_ioctl.h> #include <drm/drm_prime.h> +#include <drm/drm_print.h> #include <drm/drm_vblank.h> #if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU) @@ -34,7 +36,6 @@ #define DRIVER_NAME "tegra" #define DRIVER_DESC "NVIDIA Tegra graphics" -#define DRIVER_DATE "20120330" #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 @@ -801,6 +802,7 @@ static const struct file_operations tegra_drm_fops = { .read = drm_read, .compat_ioctl = drm_compat_ioctl, .llseek = noop_llseek, + .fop_flags = FOP_UNSIGNED_OFFSET, }; static int tegra_drm_context_cleanup(int id, void *p, void *data) @@ -891,13 +893,14 @@ static const struct drm_driver tegra_drm_driver = { .dumb_create = tegra_bo_dumb_create, + TEGRA_FBDEV_DRIVER_OPS, + .ioctls = tegra_drm_ioctls, .num_ioctls = ARRAY_SIZE(tegra_drm_ioctls), .fops = &tegra_drm_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, - .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, @@ -960,7 +963,8 @@ int host1x_client_iommu_attach(struct host1x_client *client) * not the shared IOMMU domain, don't try to attach it to a different * domain. This allows using the IOMMU-backed DMA API. */ - if (domain && domain != tegra->domain) + if (domain && domain->type != IOMMU_DOMAIN_IDENTITY && + domain != tegra->domain) return 0; if (tegra->domain) { @@ -1134,6 +1138,7 @@ static bool host1x_drm_wants_iommu(struct host1x_device *dev) static int host1x_drm_probe(struct host1x_device *dev) { + struct device *dma_dev = dev->dev.parent; struct tegra_drm *tegra; struct drm_device *drm; int err; @@ -1148,10 +1153,10 @@ static int host1x_drm_probe(struct host1x_device *dev) goto put; } - if (host1x_drm_wants_iommu(dev) && iommu_present(&platform_bus_type)) { - tegra->domain = iommu_domain_alloc(&platform_bus_type); - if (!tegra->domain) { - err = -ENOMEM; + if (host1x_drm_wants_iommu(dev) && device_iommu_mapped(dma_dev)) { + tegra->domain = iommu_paging_domain_alloc(dma_dev); + if (IS_ERR(tegra->domain)) { + err = PTR_ERR(tegra->domain); goto free; } @@ -1242,15 +1247,32 @@ static int host1x_drm_probe(struct host1x_device *dev) drm_mode_config_reset(drm); - err = drm_aperture_remove_framebuffers(&tegra_drm_driver); - if (err < 0) - goto hub; + /* + * Only take over from a potential firmware framebuffer if any CRTCs + * have been registered. This must not be a fatal error because there + * are other accelerators that are exposed via this driver. + * + * Another case where this happens is on Tegra234 where the display + * hardware is no longer part of the host1x complex, so this driver + * will not expose any modesetting features. + */ + if (drm->mode_config.num_crtc > 0) { + err = aperture_remove_all_conflicting_devices(tegra_drm_driver.name); + if (err < 0) + goto hub; + } else { + /* + * Indicate to userspace that this doesn't expose any display + * capabilities. + */ + drm->driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC); + } err = drm_dev_register(drm, 0); if (err < 0) goto hub; - tegra_fbdev_setup(drm); + drm_client_setup(drm, NULL); return 0; @@ -1312,6 +1334,11 @@ static int host1x_drm_remove(struct host1x_device *dev) return 0; } +static void host1x_drm_shutdown(struct host1x_device *dev) +{ + drm_atomic_helper_shutdown(dev_get_drvdata(&dev->dev)); +} + #ifdef CONFIG_PM_SLEEP static int host1x_drm_suspend(struct device *dev) { @@ -1357,6 +1384,7 @@ static const struct of_device_id host1x_drm_subdevs[] = { { .compatible = "nvidia,tegra210-sor1", }, { .compatible = "nvidia,tegra210-vic", }, { .compatible = "nvidia,tegra210-nvdec", }, + { .compatible = "nvidia,tegra210-nvjpg", }, { .compatible = "nvidia,tegra186-display", }, { .compatible = "nvidia,tegra186-dc", }, { .compatible = "nvidia,tegra186-sor", }, @@ -1380,6 +1408,7 @@ static struct host1x_driver host1x_drm_driver = { }, .probe = host1x_drm_probe, .remove = host1x_drm_remove, + .shutdown = host1x_drm_shutdown, .subdevs = host1x_drm_subdevs, }; @@ -1394,6 +1423,7 @@ static struct platform_driver * const drivers[] = { &tegra_gr3d_driver, &tegra_vic_driver, &tegra_nvdec_driver, + &tegra_nvjpg_driver, }; static int __init host1x_drm_init(void) diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index f9d18e8cf6ab..ae68b03d8483 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -13,7 +13,6 @@ #include <drm/drm_atomic.h> #include <drm/drm_bridge.h> -#include <drm/drm_edid.h> #include <drm/drm_encoder.h> #include <drm/drm_fixed.h> #include <drm/drm_probe_helper.h> @@ -26,6 +25,10 @@ /* XXX move to include/uapi/drm/drm_fourcc.h? */ #define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT BIT_ULL(22) +struct drm_fb_helper; +struct drm_fb_helper_surface_size; + +struct edid; struct reset_control; struct tegra_drm { @@ -120,9 +123,6 @@ int tegra_drm_unregister_client(struct tegra_drm *tegra, int host1x_client_iommu_attach(struct host1x_client *client); void host1x_client_iommu_detach(struct host1x_client *client); -int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm); -int tegra_drm_exit(struct tegra_drm *tegra); - void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova); void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt, dma_addr_t iova); @@ -136,7 +136,7 @@ struct tegra_output { struct drm_bridge *bridge; struct drm_panel *panel; struct i2c_adapter *ddc; - const struct edid *edid; + const struct drm_edid *drm_edid; struct cec_notifier *cec; unsigned int hpd_irq; struct gpio_desc *hpd_gpio; @@ -185,18 +185,23 @@ bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer); int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer, struct tegra_bo_tiling *tiling); struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm, + const struct drm_format_info *info, const struct drm_mode_fb_cmd2 *mode_cmd, struct tegra_bo **planes, unsigned int num_planes); struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, struct drm_file *file, + const struct drm_format_info *info, const struct drm_mode_fb_cmd2 *cmd); #ifdef CONFIG_DRM_FBDEV_EMULATION -void tegra_fbdev_setup(struct drm_device *drm); +int tegra_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes); +#define TEGRA_FBDEV_DRIVER_OPS \ + .fbdev_probe = tegra_fbdev_driver_fbdev_probe #else -static inline void tegra_fbdev_setup(struct drm_device *drm) -{ } +#define TEGRA_FBDEV_DRIVER_OPS \ + .fbdev_probe = NULL #endif extern struct platform_driver tegra_display_hub_driver; @@ -209,5 +214,6 @@ extern struct platform_driver tegra_gr2d_driver; extern struct platform_driver tegra_gr3d_driver; extern struct platform_driver tegra_vic_driver; extern struct platform_driver tegra_nvdec_driver; +extern struct platform_driver tegra_nvjpg_driver; #endif /* HOST1X_DRM_H */ diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index a9870c828374..175f5f9937b0 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -22,6 +22,7 @@ #include <drm/drm_file.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_panel.h> +#include <drm/drm_print.h> #include <drm/drm_simple_kms_helper.h> #include "dc.h" @@ -256,6 +257,7 @@ static void tegra_dsi_early_unregister(struct drm_connector *connector) struct tegra_dsi *dsi = to_dsi(output); drm_debugfs_remove_files(dsi->debugfs_files, count, + connector->debugfs_entry, connector->dev->primary); kfree(dsi->debugfs_files); dsi->debugfs_files = NULL; @@ -544,12 +546,19 @@ static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe, /* horizontal back porch */ hbp = (mode->htotal - mode->hsync_end) * mul / div; - if ((dsi->flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) == 0) - hbp += hsw; - /* horizontal front porch */ hfp = (mode->hsync_start - mode->hdisplay) * mul / div; + if (dsi->master || dsi->slave) { + hact /= 2; + hsw /= 2; + hbp /= 2; + hfp /= 2; + } + + if ((dsi->flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) == 0) + hbp += hsw; + /* subtract packet overhead */ hsw -= 10; hbp -= 14; @@ -559,11 +568,6 @@ static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe, tegra_dsi_writel(dsi, hact << 16 | hbp, DSI_PKT_LEN_2_3); tegra_dsi_writel(dsi, hfp, DSI_PKT_LEN_4_5); tegra_dsi_writel(dsi, 0x0f0f << 16, DSI_PKT_LEN_6_7); - - /* set SOL delay (for non-burst mode only) */ - tegra_dsi_writel(dsi, 8 * mul / div, DSI_SOL_DELAY); - - /* TODO: implement ganged mode */ } else { u16 bytes; @@ -585,29 +589,28 @@ static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe, value = MIPI_DCS_WRITE_MEMORY_START << 8 | MIPI_DCS_WRITE_MEMORY_CONTINUE; tegra_dsi_writel(dsi, value, DSI_DCS_CMDS); + } - /* set SOL delay */ - if (dsi->master || dsi->slave) { - unsigned long delay, bclk, bclk_ganged; - unsigned int lanes = state->lanes; - - /* SOL to valid, valid to FIFO and FIFO write delay */ - delay = 4 + 4 + 2; - delay = DIV_ROUND_UP(delay * mul, div * lanes); - /* FIFO read delay */ - delay = delay + 6; - - bclk = DIV_ROUND_UP(mode->htotal * mul, div * lanes); - bclk_ganged = DIV_ROUND_UP(bclk * lanes / 2, lanes); - value = bclk - bclk_ganged + delay + 20; - } else { - /* TODO: revisit for non-ganged mode */ - value = 8 * mul / div; - } + /* set SOL delay */ + if (dsi->master || dsi->slave) { + unsigned long delay, bclk, bclk_ganged; + unsigned int lanes = state->lanes; + + /* SOL to valid, valid to FIFO and FIFO write delay */ + delay = 4 + 4 + 2; + delay = DIV_ROUND_UP(delay * mul, div * lanes); + /* FIFO read delay */ + delay = delay + 6; - tegra_dsi_writel(dsi, value, DSI_SOL_DELAY); + bclk = DIV_ROUND_UP(mode->htotal * mul, div * lanes); + bclk_ganged = DIV_ROUND_UP(bclk * lanes / 2, lanes); + value = bclk - bclk_ganged + delay + 20; + } else { + value = 8 * mul / div; } + tegra_dsi_writel(dsi, value, DSI_SOL_DELAY); + if (dsi->slave) { tegra_dsi_configure(dsi->slave, pipe, mode); @@ -811,7 +814,7 @@ static const struct drm_connector_funcs tegra_dsi_connector_funcs = { static enum drm_mode_status tegra_dsi_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) + const struct drm_display_mode *mode) { return MODE_OK; } @@ -912,15 +915,6 @@ static void tegra_dsi_encoder_enable(struct drm_encoder *encoder) u32 value; int err; - /* If the bootloader enabled DSI it needs to be disabled - * in order for the panel initialization commands to be - * properly sent. - */ - value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL); - - if (value & DSI_POWER_CONTROL_ENABLE) - tegra_dsi_disable(dsi); - err = tegra_dsi_prepare(dsi); if (err < 0) { dev_err(dsi->dev, "failed to prepare: %d\n", err); @@ -1543,9 +1537,11 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi) np = of_parse_phandle(dsi->dev->of_node, "nvidia,ganged-mode", 0); if (np) { struct platform_device *gangster = of_find_device_by_node(np); + of_node_put(np); + if (!gangster) + return -EPROBE_DEFER; dsi->slave = platform_get_drvdata(gangster); - of_node_put(np); if (!dsi->slave) { put_device(&gangster->dev); @@ -1561,7 +1557,6 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi) static int tegra_dsi_probe(struct platform_device *pdev) { struct tegra_dsi *dsi; - struct resource *regs; int err; dsi = devm_kzalloc(&pdev->dev, sizeof(*dsi), GFP_KERNEL); @@ -1593,44 +1588,57 @@ static int tegra_dsi_probe(struct platform_device *pdev) if (!pdev->dev.pm_domain) { dsi->rst = devm_reset_control_get(&pdev->dev, "dsi"); - if (IS_ERR(dsi->rst)) - return PTR_ERR(dsi->rst); + if (IS_ERR(dsi->rst)) { + err = PTR_ERR(dsi->rst); + goto remove; + } } dsi->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(dsi->clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk), - "cannot get DSI clock\n"); + if (IS_ERR(dsi->clk)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk), + "cannot get DSI clock\n"); + goto remove; + } dsi->clk_lp = devm_clk_get(&pdev->dev, "lp"); - if (IS_ERR(dsi->clk_lp)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp), - "cannot get low-power clock\n"); + if (IS_ERR(dsi->clk_lp)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp), + "cannot get low-power clock\n"); + goto remove; + } dsi->clk_parent = devm_clk_get(&pdev->dev, "parent"); - if (IS_ERR(dsi->clk_parent)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent), - "cannot get parent clock\n"); + if (IS_ERR(dsi->clk_parent)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent), + "cannot get parent clock\n"); + goto remove; + } dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi"); - if (IS_ERR(dsi->vdd)) - return dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd), - "cannot get VDD supply\n"); + if (IS_ERR(dsi->vdd)) { + err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd), + "cannot get VDD supply\n"); + goto remove; + } err = tegra_dsi_setup_clocks(dsi); if (err < 0) { dev_err(&pdev->dev, "cannot setup clocks\n"); - return err; + goto remove; } - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dsi->regs = devm_ioremap_resource(&pdev->dev, regs); - if (IS_ERR(dsi->regs)) - return PTR_ERR(dsi->regs); + dsi->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(dsi->regs)) { + err = PTR_ERR(dsi->regs); + goto remove; + } dsi->mipi = tegra_mipi_request(&pdev->dev, pdev->dev.of_node); - if (IS_ERR(dsi->mipi)) - return PTR_ERR(dsi->mipi); + if (IS_ERR(dsi->mipi)) { + err = PTR_ERR(dsi->mipi); + goto remove; + } dsi->host.ops = &tegra_dsi_host_ops; dsi->host.dev = &pdev->dev; @@ -1658,9 +1666,12 @@ static int tegra_dsi_probe(struct platform_device *pdev) return 0; unregister: + pm_runtime_disable(&pdev->dev); mipi_dsi_host_unregister(&dsi->host); mipi_free: tegra_mipi_free(dsi->mipi); +remove: + tegra_output_remove(&dsi->output); return err; } @@ -1693,5 +1704,5 @@ struct platform_driver tegra_dsi_driver = { .of_match_table = tegra_dsi_of_match, }, .probe = tegra_dsi_probe, - .remove_new = tegra_dsi_remove, + .remove = tegra_dsi_remove, }; diff --git a/drivers/gpu/drm/tegra/falcon.c b/drivers/gpu/drm/tegra/falcon.c index c0d85463eb1a..17f616bbcb45 100644 --- a/drivers/gpu/drm/tegra/falcon.c +++ b/drivers/gpu/drm/tegra/falcon.c @@ -30,6 +30,14 @@ int falcon_wait_idle(struct falcon *falcon) (value == 0), 10, 100000); } +static int falcon_dma_wait_not_full(struct falcon *falcon) +{ + u32 value; + + return readl_poll_timeout(falcon->regs + FALCON_DMATRFCMD, value, + !(value & FALCON_DMATRFCMD_FULL), 10, 100000); +} + static int falcon_dma_wait_idle(struct falcon *falcon) { u32 value; @@ -44,6 +52,7 @@ static int falcon_copy_chunk(struct falcon *falcon, enum falcon_memory target) { u32 cmd = FALCON_DMATRFCMD_SIZE_256B; + int err; if (target == FALCON_MEMORY_IMEM) cmd |= FALCON_DMATRFCMD_IMEM; @@ -56,11 +65,15 @@ static int falcon_copy_chunk(struct falcon *falcon, */ cmd |= FALCON_DMATRFCMD_DMACTX(1); + err = falcon_dma_wait_not_full(falcon); + if (err < 0) + return err; + falcon_writel(falcon, offset, FALCON_DMATRFMOFFS); falcon_writel(falcon, base, FALCON_DMATRFFBOFFS); falcon_writel(falcon, cmd, FALCON_DMATRFCMD); - return falcon_dma_wait_idle(falcon); + return 0; } static void falcon_copy_firmware_image(struct falcon *falcon, @@ -191,6 +204,11 @@ int falcon_boot(struct falcon *falcon) falcon_copy_chunk(falcon, falcon->firmware.code.offset + offset, offset, FALCON_MEMORY_IMEM); + /* wait for DMA to complete */ + err = falcon_dma_wait_idle(falcon); + if (err < 0) + return err; + /* setup falcon interrupts */ falcon_writel(falcon, FALCON_IRQMSET_EXT(0xff) | FALCON_IRQMSET_SWGEN1 | diff --git a/drivers/gpu/drm/tegra/falcon.h b/drivers/gpu/drm/tegra/falcon.h index 1955cf11a8a6..902bb7e4fd0f 100644 --- a/drivers/gpu/drm/tegra/falcon.h +++ b/drivers/gpu/drm/tegra/falcon.h @@ -47,6 +47,7 @@ #define FALCON_DMATRFMOFFS 0x00001114 #define FALCON_DMATRFCMD 0x00001118 +#define FALCON_DMATRFCMD_FULL (1 << 0) #define FALCON_DMATRFCMD_IDLE (1 << 1) #define FALCON_DMATRFCMD_IMEM (1 << 4) #define FALCON_DMATRFCMD_SIZE_256B (6 << 8) diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index a719af1dc9a5..1cef8c5cac50 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -13,6 +13,7 @@ #include <drm/drm_framebuffer.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_modeset_helper.h> +#include <drm/drm_print.h> #include "drm.h" #include "gem.h" @@ -102,6 +103,7 @@ static const struct drm_framebuffer_funcs tegra_fb_funcs = { }; struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm, + const struct drm_format_info *info, const struct drm_mode_fb_cmd2 *mode_cmd, struct tegra_bo **planes, unsigned int num_planes) @@ -114,7 +116,7 @@ struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm, if (!fb) return ERR_PTR(-ENOMEM); - drm_helper_mode_fill_fb_struct(drm, fb, mode_cmd); + drm_helper_mode_fill_fb_struct(drm, fb, info, mode_cmd); for (i = 0; i < fb->format->num_planes; i++) fb->obj[i] = &planes[i]->gem; @@ -132,9 +134,9 @@ struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm, struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, struct drm_file *file, + const struct drm_format_info *info, const struct drm_mode_fb_cmd2 *cmd) { - const struct drm_format_info *info = drm_get_format_info(drm, cmd); struct tegra_bo *planes[4]; struct drm_gem_object *gem; struct drm_framebuffer *fb; @@ -159,13 +161,14 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, if (gem->size < size) { err = -EINVAL; + drm_gem_object_put(gem); goto unreference; } planes[i] = to_tegra_bo(gem); } - fb = tegra_fb_alloc(drm, cmd, planes, i); + fb = tegra_fb_alloc(drm, info, cmd, planes, i); if (IS_ERR(fb)) { err = PTR_ERR(fb); goto unreference; diff --git a/drivers/gpu/drm/tegra/fbdev.c b/drivers/gpu/drm/tegra/fbdev.c index db6eaac3d30e..8f40882aa76e 100644 --- a/drivers/gpu/drm/tegra/fbdev.c +++ b/drivers/gpu/drm/tegra/fbdev.c @@ -53,8 +53,6 @@ static void tegra_fbdev_fb_destroy(struct fb_info *info) drm_framebuffer_remove(fb); drm_client_release(&helper->client); - drm_fb_helper_unprepare(helper); - kfree(helper); } static const struct fb_ops tegra_fb_ops = { @@ -66,16 +64,19 @@ static const struct fb_ops tegra_fb_ops = { .fb_destroy = tegra_fbdev_fb_destroy, }; -static int tegra_fbdev_probe(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +static const struct drm_fb_helper_funcs tegra_fbdev_helper_funcs = { +}; + +int tegra_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) { struct tegra_drm *tegra = helper->dev->dev_private; struct drm_device *drm = helper->dev; struct drm_mode_fb_cmd2 cmd = { 0 }; + struct fb_info *info = helper->info; unsigned int bytes_per_pixel; struct drm_framebuffer *fb; unsigned long offset; - struct fb_info *info; struct tegra_bo *bo; size_t size; int err; @@ -96,14 +97,9 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, if (IS_ERR(bo)) return PTR_ERR(bo); - info = drm_fb_helper_alloc_info(helper); - if (IS_ERR(info)) { - dev_err(drm->dev, "failed to allocate framebuffer info\n"); - drm_gem_object_put(&bo->gem); - return PTR_ERR(info); - } - - fb = tegra_fb_alloc(drm, &cmd, &bo, 1); + fb = tegra_fb_alloc(drm, + drm_get_format_info(drm, cmd.pixel_format, cmd.modifier[0]), + &cmd, &bo, 1); if (IS_ERR(fb)) { err = PTR_ERR(fb); dev_err(drm->dev, "failed to allocate DRM framebuffer: %d\n", @@ -112,6 +108,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, return PTR_ERR(fb); } + helper->funcs = &tegra_fbdev_helper_funcs; helper->fb = fb; helper->info = info; @@ -144,93 +141,3 @@ destroy: drm_framebuffer_remove(fb); return err; } - -static const struct drm_fb_helper_funcs tegra_fb_helper_funcs = { - .fb_probe = tegra_fbdev_probe, -}; - -/* - * struct drm_client - */ - -static void tegra_fbdev_client_unregister(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - - if (fb_helper->info) { - drm_fb_helper_unregister_info(fb_helper); - } else { - drm_client_release(&fb_helper->client); - drm_fb_helper_unprepare(fb_helper); - kfree(fb_helper); - } -} - -static int tegra_fbdev_client_restore(struct drm_client_dev *client) -{ - drm_fb_helper_lastclose(client->dev); - - return 0; -} - -static int tegra_fbdev_client_hotplug(struct drm_client_dev *client) -{ - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client); - struct drm_device *dev = client->dev; - int ret; - - if (dev->fb_helper) - return drm_fb_helper_hotplug_event(dev->fb_helper); - - ret = drm_fb_helper_init(dev, fb_helper); - if (ret) - goto err_drm_err; - - if (!drm_drv_uses_atomic_modeset(dev)) - drm_helper_disable_unused_functions(dev); - - ret = drm_fb_helper_initial_config(fb_helper); - if (ret) - goto err_drm_fb_helper_fini; - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(fb_helper); -err_drm_err: - drm_err(dev, "Failed to setup fbdev emulation (ret=%d)\n", ret); - return ret; -} - -static const struct drm_client_funcs tegra_fbdev_client_funcs = { - .owner = THIS_MODULE, - .unregister = tegra_fbdev_client_unregister, - .restore = tegra_fbdev_client_restore, - .hotplug = tegra_fbdev_client_hotplug, -}; - -void tegra_fbdev_setup(struct drm_device *dev) -{ - struct drm_fb_helper *helper; - int ret; - - drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); - drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); - - helper = kzalloc(sizeof(*helper), GFP_KERNEL); - if (!helper) - return; - drm_fb_helper_prepare(dev, helper, 32, &tegra_fb_helper_funcs); - - ret = drm_client_init(dev, &helper->client, "fbdev", &tegra_fbdev_client_funcs); - if (ret) - goto err_drm_client_init; - - drm_client_register(&helper->client); - - return; - -err_drm_client_init: - drm_fb_helper_unprepare(helper); - kfree(helper); -} diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index a4023163493d..6b14f1e919eb 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -16,13 +16,13 @@ #include <linux/vmalloc.h> #include <drm/drm_drv.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_prime.h> -#include <drm/tegra_drm.h> #include "drm.h" #include "gem.h" -MODULE_IMPORT_NS(DMA_BUF); +MODULE_IMPORT_NS("DMA_BUF"); static unsigned int sg_dma_count_chunks(struct scatterlist *sgl, unsigned int nents) { @@ -76,8 +76,8 @@ static struct host1x_bo_mapping *tegra_bo_pin(struct device *dev, struct host1x_ /* * Imported buffers need special treatment to satisfy the semantics of DMA-BUF. */ - if (gem->import_attach) { - struct dma_buf *buf = gem->import_attach->dmabuf; + if (obj->dma_buf) { + struct dma_buf *buf = obj->dma_buf; map->attach = dma_buf_attach(buf, dev); if (IS_ERR(map->attach)) { @@ -177,18 +177,27 @@ static void tegra_bo_unpin(struct host1x_bo_mapping *map) static void *tegra_bo_mmap(struct host1x_bo *bo) { struct tegra_bo *obj = host1x_to_tegra_bo(bo); - struct iosys_map map; + struct iosys_map map = { 0 }; + void *vaddr; int ret; - if (obj->vaddr) { + if (obj->vaddr) return obj->vaddr; - } else if (obj->gem.import_attach) { - ret = dma_buf_vmap_unlocked(obj->gem.import_attach->dmabuf, &map); - return ret ? NULL : map.vaddr; - } else { - return vmap(obj->pages, obj->num_pages, VM_MAP, - pgprot_writecombine(PAGE_KERNEL)); + + if (obj->dma_buf) { + ret = dma_buf_vmap_unlocked(obj->dma_buf, &map); + if (ret < 0) + return ERR_PTR(ret); + + return map.vaddr; } + + vaddr = vmap(obj->pages, obj->num_pages, VM_MAP, + pgprot_writecombine(PAGE_KERNEL)); + if (!vaddr) + return ERR_PTR(-ENOMEM); + + return vaddr; } static void tegra_bo_munmap(struct host1x_bo *bo, void *addr) @@ -198,10 +207,11 @@ static void tegra_bo_munmap(struct host1x_bo *bo, void *addr) if (obj->vaddr) return; - else if (obj->gem.import_attach) - dma_buf_vunmap_unlocked(obj->gem.import_attach->dmabuf, &map); - else - vunmap(addr); + + if (obj->dma_buf) + return dma_buf_vunmap_unlocked(obj->dma_buf, &map); + + vunmap(addr); } static struct host1x_bo *tegra_bo_get(struct host1x_bo *bo) @@ -455,27 +465,32 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm, if (IS_ERR(bo)) return bo; - attach = dma_buf_attach(buf, drm->dev); - if (IS_ERR(attach)) { - err = PTR_ERR(attach); - goto free; - } - - get_dma_buf(buf); + /* + * If we need to use IOMMU API to map the dma-buf into the internally managed + * domain, map it first to the DRM device to get an sgt. + */ + if (tegra->domain) { + attach = dma_buf_attach(buf, drm->dev); + if (IS_ERR(attach)) { + err = PTR_ERR(attach); + goto free; + } - bo->sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE); - if (IS_ERR(bo->sgt)) { - err = PTR_ERR(bo->sgt); - goto detach; - } + bo->sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE); + if (IS_ERR(bo->sgt)) { + err = PTR_ERR(bo->sgt); + goto detach; + } - if (tegra->domain) { err = tegra_bo_iommu_map(tegra, bo); if (err < 0) goto detach; + + bo->gem.import_attach = attach; } - bo->gem.import_attach = attach; + get_dma_buf(buf); + bo->dma_buf = buf; return bo; @@ -506,17 +521,21 @@ void tegra_bo_free_object(struct drm_gem_object *gem) dev_name(mapping->dev)); } - if (tegra->domain) + if (tegra->domain) { tegra_bo_iommu_unmap(tegra, bo); - if (gem->import_attach) { - dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt, - DMA_TO_DEVICE); - drm_prime_gem_destroy(gem, NULL); - } else { - tegra_bo_free(gem->dev, bo); + if (drm_gem_is_imported(gem)) { + dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt, + DMA_TO_DEVICE); + dma_buf_detach(gem->import_attach->dmabuf, gem->import_attach); + } } + tegra_bo_free(gem->dev, bo); + + if (bo->dma_buf) + dma_buf_put(bo->dma_buf); + drm_gem_object_release(gem); kfree(bo); } @@ -524,12 +543,13 @@ void tegra_bo_free_object(struct drm_gem_object *gem) int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, struct drm_mode_create_dumb *args) { - unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); struct tegra_drm *tegra = drm->dev_private; struct tegra_bo *bo; + int ret; - args->pitch = round_up(min_pitch, tegra->pitch_align); - args->size = args->pitch * args->height; + ret = drm_mode_size_dumb(drm, args, tegra->pitch_align, 0); + if (ret) + return ret; bo = tegra_bo_create_with_handle(file, drm, args->size, 0, &args->handle); diff --git a/drivers/gpu/drm/tegra/gem.h b/drivers/gpu/drm/tegra/gem.h index cb5146a67668..bf2cbd48eb3f 100644 --- a/drivers/gpu/drm/tegra/gem.h +++ b/drivers/gpu/drm/tegra/gem.h @@ -32,6 +32,26 @@ struct tegra_bo_tiling { enum tegra_bo_sector_layout sector_layout; }; +/* + * How memory is referenced within a tegra_bo: + * + * Buffer source | Mapping API(*) | Fields + * ---------------+-----------------+--------------- + * Allocated here | DMA API | iova (IOVA mapped to drm->dev), vaddr (CPU VA) + * + * Allocated here | IOMMU API | pages/num_pages (Phys. memory), sgt (Mapped to drm->dev), + * | iova/size (Mapped to domain) + * + * Imported | DMA API | dma_buf (Imported dma_buf) + * + * Imported | IOMMU API | dma_buf (Imported dma_buf), + * | gem->import_attach (Attachment on drm->dev), + * | sgt (Mapped to drm->dev) + * | iova/size (Mapped to domain) + * + * (*) If tegra->domain is set, i.e. TegraDRM IOMMU domain is directly managed through IOMMU API, + * this is IOMMU API. Otherwise DMA API. + */ struct tegra_bo { struct drm_gem_object gem; struct host1x_bo base; @@ -39,6 +59,7 @@ struct tegra_bo { struct sg_table *sgt; dma_addr_t iova; void *vaddr; + struct dma_buf *dma_buf; struct drm_mm_node *mm; unsigned long num_pages; diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c index a160d01f26e1..21f4dd0fa6af 100644 --- a/drivers/gpu/drm/tegra/gr2d.c +++ b/drivers/gpu/drm/tegra/gr2d.c @@ -394,5 +394,5 @@ struct platform_driver tegra_gr2d_driver = { .pm = &tegra_gr2d_pm, }, .probe = gr2d_probe, - .remove_new = gr2d_remove, + .remove = gr2d_remove, }; diff --git a/drivers/gpu/drm/tegra/gr3d.c b/drivers/gpu/drm/tegra/gr3d.c index 00c8564520e7..42e9656ab80c 100644 --- a/drivers/gpu/drm/tegra/gr3d.c +++ b/drivers/gpu/drm/tegra/gr3d.c @@ -46,6 +46,7 @@ struct gr3d { unsigned int nclocks; struct reset_control_bulk_data resets[RST_GR3D_MAX]; unsigned int nresets; + struct dev_pm_domain_list *pd_list; DECLARE_BITMAP(addr_regs, GR3D_NUM_REGS); }; @@ -369,18 +370,13 @@ static int gr3d_power_up_legacy_domain(struct device *dev, const char *name, return 0; } -static void gr3d_del_link(void *link) -{ - device_link_del(link); -} - static int gr3d_init_power(struct device *dev, struct gr3d *gr3d) { - static const char * const opp_genpd_names[] = { "3d0", "3d1", NULL }; - const u32 link_flags = DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME; - struct device **opp_virt_devs, *pd_dev; - struct device_link *link; - unsigned int i; + struct dev_pm_domain_attach_data pd_data = { + .pd_names = (const char *[]) { "3d0", "3d1" }, + .num_pd_names = 2, + .pd_flags = PD_FLAG_REQUIRED_OPP, + }; int err; err = of_count_phandle_with_args(dev->of_node, "power-domains", @@ -414,29 +410,10 @@ static int gr3d_init_power(struct device *dev, struct gr3d *gr3d) if (dev->pm_domain) return 0; - err = devm_pm_opp_attach_genpd(dev, opp_genpd_names, &opp_virt_devs); - if (err) + err = devm_pm_domain_attach_list(dev, &pd_data, &gr3d->pd_list); + if (err < 0) return err; - for (i = 0; opp_genpd_names[i]; i++) { - pd_dev = opp_virt_devs[i]; - if (!pd_dev) { - dev_err(dev, "failed to get %s power domain\n", - opp_genpd_names[i]); - return -EINVAL; - } - - link = device_link_add(dev, pd_dev, link_flags); - if (!link) { - dev_err(dev, "failed to link to %s\n", dev_name(pd_dev)); - return -EINVAL; - } - - err = devm_add_action_or_reset(dev, gr3d_del_link, link); - if (err) - return err; - } - return 0; } @@ -628,5 +605,5 @@ struct platform_driver tegra_gr3d_driver = { .pm = &tegra_gr3d_pm, }, .probe = gr3d_probe, - .remove_new = gr3d_remove, + .remove = gr3d_remove, }; diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 80c760986d9e..0adcd4244a42 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -24,8 +24,11 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_debugfs.h> +#include <drm/drm_edid.h> +#include <drm/drm_eld.h> #include <drm/drm_file.h> #include <drm/drm_fourcc.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> @@ -432,7 +435,7 @@ tegra_hdmi_get_audio_config(unsigned int audio_freq, unsigned int pix_clock, static void tegra_hdmi_setup_audio_fs_tables(struct tegra_hdmi *hdmi) { - const unsigned int freqs[] = { + static const unsigned int freqs[] = { 32000, 44100, 48000, 88200, 96000, 176400, 192000 }; unsigned int i; @@ -656,7 +659,7 @@ static void tegra_hdmi_write_infopack(struct tegra_hdmi *hdmi, const void *data, { const u8 *ptr = data; unsigned long offset; - size_t i, j; + size_t i; u32 value; switch (ptr[0]) { @@ -689,7 +692,7 @@ static void tegra_hdmi_write_infopack(struct tegra_hdmi *hdmi, const void *data, * - subpack_low: bytes 0 - 3 * - subpack_high: bytes 4 - 6 (with byte 7 padded to 0x00) */ - for (i = 3, j = 0; i < size; i += 7, j += 8) { + for (i = 3; i < size; i += 7) { size_t rem = size - i, num = min_t(size_t, rem, 4); value = tegra_hdmi_subpack(&ptr[i], num); @@ -1116,7 +1119,8 @@ static void tegra_hdmi_early_unregister(struct drm_connector *connector) unsigned int count = ARRAY_SIZE(debugfs_files); struct tegra_hdmi *hdmi = to_hdmi(output); - drm_debugfs_remove_files(hdmi->debugfs_files, count, minor); + drm_debugfs_remove_files(hdmi->debugfs_files, count, + connector->debugfs_entry, minor); kfree(hdmi->debugfs_files); hdmi->debugfs_files = NULL; } @@ -1134,7 +1138,7 @@ static const struct drm_connector_funcs tegra_hdmi_connector_funcs = { static enum drm_mode_status tegra_hdmi_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) + const struct drm_display_mode *mode) { struct tegra_output *output = connector_to_output(connector); struct tegra_hdmi *hdmi = to_hdmi(output); @@ -1854,12 +1858,14 @@ static int tegra_hdmi_probe(struct platform_device *pdev) return err; hdmi->regs = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (IS_ERR(hdmi->regs)) { + err = PTR_ERR(hdmi->regs); + goto remove; + } err = platform_get_irq(pdev, 0); if (err < 0) - return err; + goto remove; hdmi->irq = err; @@ -1868,18 +1874,18 @@ static int tegra_hdmi_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "failed to request IRQ#%u: %d\n", hdmi->irq, err); - return err; + goto remove; } platform_set_drvdata(pdev, hdmi); err = devm_pm_runtime_enable(&pdev->dev); if (err) - return err; + goto remove; err = devm_tegra_core_dev_init_opp_table_common(&pdev->dev); if (err) - return err; + goto remove; INIT_LIST_HEAD(&hdmi->client.list); hdmi->client.ops = &hdmi_client_ops; @@ -1889,10 +1895,14 @@ static int tegra_hdmi_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "failed to register host1x client: %d\n", err); - return err; + goto remove; } return 0; + +remove: + tegra_output_remove(&hdmi->output); + return err; } static void tegra_hdmi_remove(struct platform_device *pdev) @@ -1910,5 +1920,5 @@ struct platform_driver tegra_hdmi_driver = { .of_match_table = tegra_hdmi_of_match, }, .probe = tegra_hdmi_probe, - .remove_new = tegra_hdmi_remove, + .remove = tegra_hdmi_remove, }; diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index 1af5f8318d91..c924ffba4094 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -20,6 +20,7 @@ #include <drm/drm_blend.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "drm.h" @@ -521,12 +522,11 @@ static void tegra_shared_plane_atomic_disable(struct drm_plane *plane, static inline u32 compute_phase_incr(fixed20_12 in, unsigned int out) { - u64 tmp, tmp1, tmp2; + u64 tmp, tmp1; tmp = (u64)dfixed_trunc(in); - tmp2 = (u64)out; - tmp1 = (tmp << NFB) + (tmp2 >> 1); - do_div(tmp1, tmp2); + tmp1 = (tmp << NFB) + ((u64)out >> 1); + do_div(tmp1, out); return lower_32_bits(tmp1); } @@ -756,9 +756,9 @@ static const struct drm_plane_helper_funcs tegra_shared_plane_helper_funcs = { struct drm_plane *tegra_shared_plane_create(struct drm_device *drm, struct tegra_dc *dc, unsigned int wgrp, - unsigned int index) + unsigned int index, + enum drm_plane_type type) { - enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY; struct tegra_drm *tegra = drm->dev_private; struct tegra_display_hub *hub = tegra->hub; struct tegra_shared_plane *plane; @@ -1101,7 +1101,7 @@ static int tegra_display_hub_probe(struct platform_device *pdev) for (i = 0; i < hub->soc->num_wgrps; i++) { struct tegra_windowgroup *wgrp = &hub->wgrps[i]; - char id[8]; + char id[16]; snprintf(id, sizeof(id), "wgrp%u", i); mutex_init(&wgrp->lock); @@ -1219,5 +1219,5 @@ struct platform_driver tegra_display_hub_driver = { .of_match_table = tegra_display_hub_of_match, }, .probe = tegra_display_hub_probe, - .remove_new = tegra_display_hub_remove, + .remove = tegra_display_hub_remove, }; diff --git a/drivers/gpu/drm/tegra/hub.h b/drivers/gpu/drm/tegra/hub.h index 23c4b2115ed1..a66f18c4facc 100644 --- a/drivers/gpu/drm/tegra/hub.h +++ b/drivers/gpu/drm/tegra/hub.h @@ -80,7 +80,8 @@ void tegra_display_hub_cleanup(struct tegra_display_hub *hub); struct drm_plane *tegra_shared_plane_create(struct drm_device *drm, struct tegra_dc *dc, unsigned int wgrp, - unsigned int index); + unsigned int index, + enum drm_plane_type type); int tegra_display_hub_atomic_check(struct drm_device *drm, struct drm_atomic_state *state); diff --git a/drivers/gpu/drm/tegra/nvdec.c b/drivers/gpu/drm/tegra/nvdec.c index 4860790666af..7a38664e890e 100644 --- a/drivers/gpu/drm/tegra/nvdec.c +++ b/drivers/gpu/drm/tegra/nvdec.c @@ -261,10 +261,8 @@ static int nvdec_load_falcon_firmware(struct nvdec *nvdec) if (!client->group) { virt = dma_alloc_coherent(nvdec->dev, size, &iova, GFP_KERNEL); - - err = dma_mapping_error(nvdec->dev, iova); - if (err < 0) - return err; + if (!virt) + return -ENOMEM; } else { virt = tegra_drm_alloc(tegra, size, &iova); if (IS_ERR(virt)) @@ -566,7 +564,7 @@ struct platform_driver tegra_nvdec_driver = { .pm = &nvdec_pm_ops }, .probe = nvdec_probe, - .remove_new = nvdec_remove, + .remove = nvdec_remove, }; #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) diff --git a/drivers/gpu/drm/tegra/nvjpg.c b/drivers/gpu/drm/tegra/nvjpg.c new file mode 100644 index 000000000000..94503fd0d52d --- /dev/null +++ b/drivers/gpu/drm/tegra/nvjpg.c @@ -0,0 +1,330 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/host1x.h> +#include <linux/iommu.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> + +#include "drm.h" +#include "falcon.h" + +struct nvjpg_config { + const char *firmware; + unsigned int version; +}; + +struct nvjpg { + struct falcon falcon; + + void __iomem *regs; + struct tegra_drm_client client; + struct device *dev; + struct clk *clk; + + /* Platform configuration */ + const struct nvjpg_config *config; +}; + +static inline struct nvjpg *to_nvjpg(struct tegra_drm_client *client) +{ + return container_of(client, struct nvjpg, client); +} + +static int nvjpg_init(struct host1x_client *client) +{ + struct tegra_drm_client *drm = host1x_to_drm_client(client); + struct drm_device *dev = dev_get_drvdata(client->host); + struct tegra_drm *tegra = dev->dev_private; + struct nvjpg *nvjpg = to_nvjpg(drm); + int err; + + err = host1x_client_iommu_attach(client); + if (err < 0 && err != -ENODEV) { + dev_err(nvjpg->dev, "failed to attach to domain: %d\n", err); + return err; + } + + err = tegra_drm_register_client(tegra, drm); + if (err < 0) + goto detach; + + /* + * Inherit the DMA parameters (such as maximum segment size) from the + * parent host1x device. + */ + client->dev->dma_parms = client->host->dma_parms; + + return 0; + +detach: + host1x_client_iommu_detach(client); + + return err; +} + +static int nvjpg_exit(struct host1x_client *client) +{ + struct tegra_drm_client *drm = host1x_to_drm_client(client); + struct drm_device *dev = dev_get_drvdata(client->host); + struct tegra_drm *tegra = dev->dev_private; + struct nvjpg *nvjpg = to_nvjpg(drm); + int err; + + /* avoid a dangling pointer just in case this disappears */ + client->dev->dma_parms = NULL; + + err = tegra_drm_unregister_client(tegra, drm); + if (err < 0) + return err; + + pm_runtime_dont_use_autosuspend(client->dev); + pm_runtime_force_suspend(client->dev); + + host1x_client_iommu_detach(client); + + if (client->group) { + dma_unmap_single(nvjpg->dev, nvjpg->falcon.firmware.phys, + nvjpg->falcon.firmware.size, DMA_TO_DEVICE); + tegra_drm_free(tegra, nvjpg->falcon.firmware.size, + nvjpg->falcon.firmware.virt, + nvjpg->falcon.firmware.iova); + } else { + dma_free_coherent(nvjpg->dev, nvjpg->falcon.firmware.size, + nvjpg->falcon.firmware.virt, + nvjpg->falcon.firmware.iova); + } + + return 0; +} + +static const struct host1x_client_ops nvjpg_client_ops = { + .init = nvjpg_init, + .exit = nvjpg_exit, +}; + +static int nvjpg_load_falcon_firmware(struct nvjpg *nvjpg) +{ + struct host1x_client *client = &nvjpg->client.base; + struct tegra_drm *tegra = nvjpg->client.drm; + dma_addr_t iova; + size_t size; + void *virt; + int err; + + if (nvjpg->falcon.firmware.virt) + return 0; + + err = falcon_read_firmware(&nvjpg->falcon, nvjpg->config->firmware); + if (err < 0) + return err; + + size = nvjpg->falcon.firmware.size; + + if (!client->group) { + virt = dma_alloc_coherent(nvjpg->dev, size, &iova, GFP_KERNEL); + if (!virt) + return -ENOMEM; + } else { + virt = tegra_drm_alloc(tegra, size, &iova); + if (IS_ERR(virt)) + return PTR_ERR(virt); + } + + nvjpg->falcon.firmware.virt = virt; + nvjpg->falcon.firmware.iova = iova; + + err = falcon_load_firmware(&nvjpg->falcon); + if (err < 0) + goto cleanup; + + /* + * In this case we have received an IOVA from the shared domain, so we + * need to make sure to get the physical address so that the DMA API + * knows what memory pages to flush the cache for. + */ + if (client->group) { + dma_addr_t phys; + + phys = dma_map_single(nvjpg->dev, virt, size, DMA_TO_DEVICE); + + err = dma_mapping_error(nvjpg->dev, phys); + if (err < 0) + goto cleanup; + + nvjpg->falcon.firmware.phys = phys; + } + + return 0; + +cleanup: + if (!client->group) + dma_free_coherent(nvjpg->dev, size, virt, iova); + else + tegra_drm_free(tegra, size, virt, iova); + + return err; +} + +static __maybe_unused int nvjpg_runtime_resume(struct device *dev) +{ + struct nvjpg *nvjpg = dev_get_drvdata(dev); + int err; + + err = clk_prepare_enable(nvjpg->clk); + if (err < 0) + return err; + + usleep_range(20, 30); + + err = nvjpg_load_falcon_firmware(nvjpg); + if (err < 0) + goto disable_clk; + + err = falcon_boot(&nvjpg->falcon); + if (err < 0) + goto disable_clk; + + return 0; + +disable_clk: + clk_disable_unprepare(nvjpg->clk); + return err; +} + +static __maybe_unused int nvjpg_runtime_suspend(struct device *dev) +{ + struct nvjpg *nvjpg = dev_get_drvdata(dev); + + clk_disable_unprepare(nvjpg->clk); + + return 0; +} + +static int nvjpg_can_use_memory_ctx(struct tegra_drm_client *client, bool *supported) +{ + *supported = false; + + return 0; +} + +static const struct tegra_drm_client_ops nvjpg_ops = { + .get_streamid_offset = NULL, + .can_use_memory_ctx = nvjpg_can_use_memory_ctx, +}; + +#define NVIDIA_TEGRA_210_NVJPG_FIRMWARE "nvidia/tegra210/nvjpg.bin" + +static const struct nvjpg_config tegra210_nvjpg_config = { + .firmware = NVIDIA_TEGRA_210_NVJPG_FIRMWARE, + .version = 0x21, +}; + +static const struct of_device_id tegra_nvjpg_of_match[] = { + { .compatible = "nvidia,tegra210-nvjpg", .data = &tegra210_nvjpg_config }, + { }, +}; +MODULE_DEVICE_TABLE(of, tegra_nvjpg_of_match); + +static int nvjpg_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct nvjpg *nvjpg; + int err; + + /* inherit DMA mask from host1x parent */ + err = dma_coerce_mask_and_coherent(dev, *dev->parent->dma_mask); + if (err < 0) { + dev_err(&pdev->dev, "failed to set DMA mask: %d\n", err); + return err; + } + + nvjpg = devm_kzalloc(dev, sizeof(*nvjpg), GFP_KERNEL); + if (!nvjpg) + return -ENOMEM; + + nvjpg->config = of_device_get_match_data(dev); + + nvjpg->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(nvjpg->regs)) + return PTR_ERR(nvjpg->regs); + + nvjpg->clk = devm_clk_get(dev, "nvjpg"); + if (IS_ERR(nvjpg->clk)) { + dev_err(&pdev->dev, "failed to get clock\n"); + return PTR_ERR(nvjpg->clk); + } + + err = clk_set_rate(nvjpg->clk, ULONG_MAX); + if (err < 0) { + dev_err(&pdev->dev, "failed to set clock rate\n"); + return err; + } + + nvjpg->falcon.dev = dev; + nvjpg->falcon.regs = nvjpg->regs; + + err = falcon_init(&nvjpg->falcon); + if (err < 0) + return err; + + platform_set_drvdata(pdev, nvjpg); + + INIT_LIST_HEAD(&nvjpg->client.base.list); + nvjpg->client.base.ops = &nvjpg_client_ops; + nvjpg->client.base.dev = dev; + nvjpg->client.base.class = HOST1X_CLASS_NVJPG; + nvjpg->dev = dev; + + INIT_LIST_HEAD(&nvjpg->client.list); + nvjpg->client.version = nvjpg->config->version; + nvjpg->client.ops = &nvjpg_ops; + + err = host1x_client_register(&nvjpg->client.base); + if (err < 0) { + dev_err(dev, "failed to register host1x client: %d\n", err); + goto exit_falcon; + } + + pm_runtime_use_autosuspend(dev); + pm_runtime_set_autosuspend_delay(dev, 500); + devm_pm_runtime_enable(dev); + + return 0; + +exit_falcon: + falcon_exit(&nvjpg->falcon); + + return err; +} + +static void nvjpg_remove(struct platform_device *pdev) +{ + struct nvjpg *nvjpg = platform_get_drvdata(pdev); + + host1x_client_unregister(&nvjpg->client.base); + falcon_exit(&nvjpg->falcon); +} + +static const struct dev_pm_ops nvjpg_pm_ops = { + RUNTIME_PM_OPS(nvjpg_runtime_suspend, nvjpg_runtime_resume, NULL) + SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) +}; + +struct platform_driver tegra_nvjpg_driver = { + .driver = { + .name = "tegra-nvjpg", + .of_match_table = tegra_nvjpg_of_match, + .pm = &nvjpg_pm_ops + }, + .probe = nvjpg_probe, + .remove = nvjpg_remove, +}; + +#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) +MODULE_FIRMWARE(NVIDIA_TEGRA_210_NVJPG_FIRMWARE); +#endif diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index dc2dcb5ca1c8..49e4f63a5550 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -8,6 +8,7 @@ #include <linux/of.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_simple_kms_helper.h> @@ -20,7 +21,7 @@ int tegra_output_connector_get_modes(struct drm_connector *connector) { struct tegra_output *output = connector_to_output(connector); - struct edid *edid = NULL; + const struct drm_edid *drm_edid = NULL; int err = 0; /* @@ -33,18 +34,17 @@ int tegra_output_connector_get_modes(struct drm_connector *connector) return err; } - if (output->edid) - edid = kmemdup(output->edid, sizeof(*edid), GFP_KERNEL); + if (output->drm_edid) + drm_edid = drm_edid_dup(output->drm_edid); else if (output->ddc) - edid = drm_get_edid(connector, output->ddc); + drm_edid = drm_edid_read_ddc(connector, output->ddc); - cec_notifier_set_phys_addr_from_edid(output->cec, edid); - drm_connector_update_edid_property(connector, edid); + drm_edid_connector_update(connector, drm_edid); + cec_notifier_set_phys_addr(output->cec, + connector->display_info.source_physical_address); - if (edid) { - err = drm_add_edid_modes(connector, edid); - kfree(edid); - } + err = drm_edid_connector_add_modes(connector); + drm_edid_free(drm_edid); return err; } @@ -97,6 +97,7 @@ static irqreturn_t hpd_irq(int irq, void *data) int tegra_output_probe(struct tegra_output *output) { struct device_node *ddc, *panel; + const void *edid; unsigned long flags; int err, size; @@ -123,8 +124,6 @@ int tegra_output_probe(struct tegra_output *output) return PTR_ERR(output->panel); } - output->edid = of_get_property(output->of_node, "nvidia,edid", &size); - ddc = of_parse_phandle(output->of_node, "nvidia,ddc-i2c-bus", 0); if (ddc) { output->ddc = of_get_i2c_adapter_by_node(ddc); @@ -136,14 +135,19 @@ int tegra_output_probe(struct tegra_output *output) } } + edid = of_get_property(output->of_node, "nvidia,edid", &size); + output->drm_edid = drm_edid_alloc(edid, size); + output->hpd_gpio = devm_fwnode_gpiod_get(output->dev, of_fwnode_handle(output->of_node), "nvidia,hpd", GPIOD_IN, "HDMI hotplug detect"); if (IS_ERR(output->hpd_gpio)) { - if (PTR_ERR(output->hpd_gpio) != -ENOENT) - return PTR_ERR(output->hpd_gpio); + if (PTR_ERR(output->hpd_gpio) != -ENOENT) { + err = PTR_ERR(output->hpd_gpio); + goto put_i2c; + } output->hpd_gpio = NULL; } @@ -152,7 +156,7 @@ int tegra_output_probe(struct tegra_output *output) err = gpiod_to_irq(output->hpd_gpio); if (err < 0) { dev_err(output->dev, "gpiod_to_irq(): %d\n", err); - return err; + goto put_i2c; } output->hpd_irq = err; @@ -165,7 +169,7 @@ int tegra_output_probe(struct tegra_output *output) if (err < 0) { dev_err(output->dev, "failed to request IRQ#%u: %d\n", output->hpd_irq, err); - return err; + goto put_i2c; } output->connector.polled = DRM_CONNECTOR_POLL_HPD; @@ -179,6 +183,14 @@ int tegra_output_probe(struct tegra_output *output) } return 0; + +put_i2c: + if (output->ddc) + i2c_put_adapter(output->ddc); + + drm_edid_free(output->drm_edid); + + return err; } void tegra_output_remove(struct tegra_output *output) @@ -188,6 +200,8 @@ void tegra_output_remove(struct tegra_output *output) if (output->ddc) i2c_put_adapter(output->ddc); + + drm_edid_free(output->drm_edid); } int tegra_output_init(struct drm_device *drm, struct tegra_output *output) diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 79566c9ea8ff..ff5a749710db 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -99,6 +99,7 @@ static void tegra_rgb_encoder_disable(struct drm_encoder *encoder) static void tegra_rgb_encoder_enable(struct drm_encoder *encoder) { + struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; struct tegra_output *output = encoder_to_output(encoder); struct tegra_rgb *rgb = to_rgb(output); u32 value; @@ -108,10 +109,19 @@ static void tegra_rgb_encoder_enable(struct drm_encoder *encoder) value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL; tegra_dc_writel(rgb->dc, value, DC_DISP_DATA_ENABLE_OPTIONS); - /* XXX: parameterize? */ + /* configure H- and V-sync signal polarities */ value = tegra_dc_readl(rgb->dc, DC_COM_PIN_OUTPUT_POLARITY(1)); - value &= ~LVS_OUTPUT_POLARITY_LOW; - value &= ~LHS_OUTPUT_POLARITY_LOW; + + if (mode->flags & DRM_MODE_FLAG_NHSYNC) + value |= LHS_OUTPUT_POLARITY_LOW; + else + value &= ~LHS_OUTPUT_POLARITY_LOW; + + if (mode->flags & DRM_MODE_FLAG_NVSYNC) + value |= LVS_OUTPUT_POLARITY_LOW; + else + value &= ~LVS_OUTPUT_POLARITY_LOW; + tegra_dc_writel(rgb->dc, value, DC_COM_PIN_OUTPUT_POLARITY(1)); /* XXX: parameterize? */ @@ -190,6 +200,11 @@ static const struct drm_encoder_helper_funcs tegra_rgb_encoder_helper_funcs = { .atomic_check = tegra_rgb_encoder_atomic_check, }; +static void tegra_dc_of_node_put(void *data) +{ + of_node_put(data); +} + int tegra_dc_rgb_probe(struct tegra_dc *dc) { struct device_node *np; @@ -197,7 +212,14 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) int err; np = of_get_child_by_name(dc->dev->of_node, "rgb"); - if (!np || !of_device_is_available(np)) + if (!np) + return -ENODEV; + + err = devm_add_action_or_reset(dc->dev, tegra_dc_of_node_put, np); + if (err < 0) + return err; + + if (!of_device_is_available(np)) return -ENODEV; rgb = devm_kzalloc(dc->dev, sizeof(*rgb), GFP_KERNEL); @@ -215,26 +237,28 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) rgb->clk = devm_clk_get(dc->dev, NULL); if (IS_ERR(rgb->clk)) { dev_err(dc->dev, "failed to get clock\n"); - return PTR_ERR(rgb->clk); + err = PTR_ERR(rgb->clk); + goto remove; } rgb->clk_parent = devm_clk_get(dc->dev, "parent"); if (IS_ERR(rgb->clk_parent)) { dev_err(dc->dev, "failed to get parent clock\n"); - return PTR_ERR(rgb->clk_parent); + err = PTR_ERR(rgb->clk_parent); + goto remove; } err = clk_set_parent(rgb->clk, rgb->clk_parent); if (err < 0) { dev_err(dc->dev, "failed to set parent clock: %d\n", err); - return err; + goto remove; } rgb->pll_d_out0 = clk_get_sys(NULL, "pll_d_out0"); if (IS_ERR(rgb->pll_d_out0)) { err = PTR_ERR(rgb->pll_d_out0); dev_err(dc->dev, "failed to get pll_d_out0: %d\n", err); - return err; + goto remove; } if (dc->soc->has_pll_d2_out0) { @@ -242,13 +266,19 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) if (IS_ERR(rgb->pll_d2_out0)) { err = PTR_ERR(rgb->pll_d2_out0); dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err); - return err; + goto put_pll; } } dc->rgb = &rgb->output; return 0; + +put_pll: + clk_put(rgb->pll_d_out0); +remove: + tegra_output_remove(&rgb->output); + return err; } void tegra_dc_rgb_remove(struct tegra_dc *dc) diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 61b437a84806..4023cb5998f1 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -20,8 +20,11 @@ #include <drm/display/drm_scdc_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_debugfs.h> +#include <drm/drm_edid.h> +#include <drm/drm_eld.h> #include <drm/drm_file.h> #include <drm/drm_panel.h> +#include <drm/drm_print.h> #include <drm/drm_simple_kms_helper.h> #include "dc.h" @@ -1708,6 +1711,7 @@ static void tegra_sor_early_unregister(struct drm_connector *connector) struct tegra_sor *sor = to_sor(output); drm_debugfs_remove_files(sor->debugfs_files, count, + connector->debugfs_entry, connector->dev->primary); kfree(sor->debugfs_files); sor->debugfs_files = NULL; @@ -1786,7 +1790,7 @@ static int tegra_sor_connector_get_modes(struct drm_connector *connector) static enum drm_mode_status tegra_sor_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) + const struct drm_display_mode *mode) { return MODE_OK; } @@ -1861,7 +1865,7 @@ static void tegra_sor_hdmi_write_infopack(struct tegra_sor *sor, { const u8 *ptr = data; unsigned long offset; - size_t i, j; + size_t i; u32 value; switch (ptr[0]) { @@ -1894,7 +1898,7 @@ static void tegra_sor_hdmi_write_infopack(struct tegra_sor *sor, * - subpack_low: bytes 0 - 3 * - subpack_high: bytes 4 - 6 (with byte 7 padded to 0x00) */ - for (i = 3, j = 0; i < size; i += 7, j += 8) { + for (i = 3; i < size; i += 7) { size_t rem = size - i, num = min_t(size_t, rem, 4); value = tegra_sor_hdmi_subpack(&ptr[i], num); @@ -2663,7 +2667,7 @@ static void tegra_sor_dp_disable(struct drm_encoder *encoder) * the AUX transactions would just be timing out. */ if (output->connector.status != connector_status_disconnected) { - err = drm_dp_link_power_down(sor->aux, &sor->link); + err = drm_dp_link_power_down(sor->aux, sor->link.revision); if (err < 0) dev_err(sor->dev, "failed to power down link: %d\n", err); @@ -2879,7 +2883,7 @@ static void tegra_sor_dp_enable(struct drm_encoder *encoder) else dev_dbg(sor->dev, "link training succeeded\n"); - err = drm_dp_link_power_up(sor->aux, &sor->link); + err = drm_dp_link_power_up(sor->aux, sor->link.revision); if (err < 0) dev_err(sor->dev, "failed to power up DP link: %d\n", err); @@ -4037,5 +4041,5 @@ struct platform_driver tegra_sor_driver = { .pm = &tegra_sor_pm_ops, }, .probe = tegra_sor_probe, - .remove_new = tegra_sor_remove, + .remove = tegra_sor_remove, }; diff --git a/drivers/gpu/drm/tegra/uapi.c b/drivers/gpu/drm/tegra/uapi.c index 5adab6b22916..d0b6a1fa6efa 100644 --- a/drivers/gpu/drm/tegra/uapi.c +++ b/drivers/gpu/drm/tegra/uapi.c @@ -114,9 +114,12 @@ int tegra_drm_ioctl_channel_open(struct drm_device *drm, void *data, struct drm_ if (err) goto put_channel; - if (supported) + if (supported) { + struct pid *pid = get_task_pid(current, PIDTYPE_TGID); context->memory_context = host1x_memory_context_alloc( - host, client->base.dev, get_task_pid(current, PIDTYPE_TGID)); + host, client->base.dev, pid); + put_pid(pid); + } if (IS_ERR(context->memory_context)) { if (PTR_ERR(context->memory_context) != -EOPNOTSUPP) { diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c index 73c356f1c901..332c9b563d3f 100644 --- a/drivers/gpu/drm/tegra/vic.c +++ b/drivers/gpu/drm/tegra/vic.c @@ -553,7 +553,7 @@ struct platform_driver tegra_vic_driver = { .pm = &vic_pm_ops }, .probe = vic_probe, - .remove_new = vic_remove, + .remove = vic_remove, }; #if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) |