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path: root/drivers/gpu/drm/exynos/exynos_drm_fimd.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c99
1 files changed, 68 insertions, 31 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 700ca4fa6665..b6abdc4f2b0a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
@@ -21,7 +20,10 @@
#include <video/of_videomode.h>
#include <video/samsung_fimd.h>
+#include <drm/drm_blend.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_print.h>
#include <drm/drm_vblank.h>
#include <drm/exynos_drm.h>
@@ -109,6 +111,7 @@ struct fimd_driver_data {
unsigned int has_dp_clk:1;
unsigned int has_hw_trigger:1;
unsigned int has_trigger_per_te:1;
+ unsigned int has_bgr_support:1;
};
static struct fimd_driver_data s3c64xx_fimd_driver_data = {
@@ -138,6 +141,7 @@ static struct fimd_driver_data exynos4_fimd_driver_data = {
.lcdblk_bypass_shift = 1,
.has_shadowcon = 1,
.has_vtsel = 1,
+ .has_bgr_support = 1,
};
static struct fimd_driver_data exynos5_fimd_driver_data = {
@@ -149,6 +153,7 @@ static struct fimd_driver_data exynos5_fimd_driver_data = {
.has_vidoutcon = 1,
.has_vtsel = 1,
.has_dp_clk = 1,
+ .has_bgr_support = 1,
};
static struct fimd_driver_data exynos5420_fimd_driver_data = {
@@ -162,6 +167,7 @@ static struct fimd_driver_data exynos5420_fimd_driver_data = {
.has_vtsel = 1,
.has_mic_bypass = 1,
.has_dp_clk = 1,
+ .has_bgr_support = 1,
};
struct fimd_context {
@@ -182,6 +188,7 @@ struct fimd_context {
u32 i80ifcon;
bool i80_if;
bool suspended;
+ bool dp_clk_enabled;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
atomic_t win_updated;
@@ -226,6 +233,18 @@ static const uint32_t fimd_formats[] = {
DRM_FORMAT_ARGB8888,
};
+static const uint32_t fimd_extended_formats[] = {
+ DRM_FORMAT_C8,
+ DRM_FORMAT_XRGB1555,
+ DRM_FORMAT_XBGR1555,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_BGR565,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ABGR8888,
+};
+
static const unsigned int capabilities[WINDOWS_NR] = {
0,
EXYNOS_DRM_PLANE_CAP_WIN_BLEND | EXYNOS_DRM_PLANE_CAP_PIX_BLEND,
@@ -463,7 +482,7 @@ static void fimd_commit(struct exynos_drm_crtc *crtc)
struct fimd_context *ctx = crtc->ctx;
struct drm_display_mode *mode = &crtc->base.state->adjusted_mode;
const struct fimd_driver_data *driver_data = ctx->driver_data;
- void *timing_base = ctx->regs + driver_data->timing_base;
+ void __iomem *timing_base = ctx->regs + driver_data->timing_base;
u32 val;
if (ctx->suspended)
@@ -644,9 +663,9 @@ static void fimd_win_set_bldmod(struct fimd_context *ctx, unsigned int win,
static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win,
struct drm_framebuffer *fb, int width)
{
- struct exynos_drm_plane plane = ctx->planes[win];
+ struct exynos_drm_plane *plane = &ctx->planes[win];
struct exynos_drm_plane_state *state =
- to_exynos_plane_state(plane.base.state);
+ to_exynos_plane_state(plane->base.state);
uint32_t pixel_format = fb->format->format;
unsigned int alpha = state->base.alpha;
u32 val = WINCONx_ENWIN;
@@ -673,21 +692,25 @@ static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win,
val |= WINCONx_BYTSWP;
break;
case DRM_FORMAT_XRGB1555:
+ case DRM_FORMAT_XBGR1555:
val |= WINCON0_BPPMODE_16BPP_1555;
val |= WINCONx_HAWSWP;
val |= WINCONx_BURSTLEN_16WORD;
break;
case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_BGR565:
val |= WINCON0_BPPMODE_16BPP_565;
val |= WINCONx_HAWSWP;
val |= WINCONx_BURSTLEN_16WORD;
break;
case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_XBGR8888:
val |= WINCON0_BPPMODE_24BPP_888;
val |= WINCONx_WSWP;
val |= WINCONx_BURSTLEN_16WORD;
break;
case DRM_FORMAT_ARGB8888:
+ case DRM_FORMAT_ABGR8888:
default:
val |= WINCON1_BPPMODE_25BPP_A1888;
val |= WINCONx_WSWP;
@@ -695,10 +718,22 @@ static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win,
break;
}
+ switch (pixel_format) {
+ case DRM_FORMAT_XBGR1555:
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_BGR565:
+ writel(WIN_RGB_ORDER_REVERSE, ctx->regs + WIN_RGB_ORDER(win));
+ break;
+ default:
+ writel(WIN_RGB_ORDER_FORWARD, ctx->regs + WIN_RGB_ORDER(win));
+ break;
+ }
+
/*
* Setting dma-burst to 16Word causes permanent tearing for very small
* buffers, e.g. cursor buffer. Burst Mode switching which based on
- * plane size is not recommended as plane size varies alot towards the
+ * plane size is not recommended as plane size varies a lot towards the
* end of the screen and rapid movement causes unstable DMA, but it is
* still better to change dma-burst than displaying garbage.
*/
@@ -1014,7 +1049,18 @@ static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
struct fimd_context *ctx = container_of(clk, struct fimd_context,
dp_clk);
u32 val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+
+ if (enable == ctx->dp_clk_enabled)
+ return;
+
+ if (enable)
+ pm_runtime_resume_and_get(ctx->dev);
+
+ ctx->dp_clk_enabled = enable;
writel(val, ctx->regs + DP_MIE_CLKCON);
+
+ if (!enable)
+ pm_runtime_put(ctx->dev);
}
static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
@@ -1074,8 +1120,14 @@ static int fimd_bind(struct device *dev, struct device *master, void *data)
ctx->drm_dev = drm_dev;
for (i = 0; i < WINDOWS_NR; i++) {
- ctx->configs[i].pixel_formats = fimd_formats;
- ctx->configs[i].num_pixel_formats = ARRAY_SIZE(fimd_formats);
+ if (ctx->driver_data->has_bgr_support) {
+ ctx->configs[i].pixel_formats = fimd_extended_formats;
+ ctx->configs[i].num_pixel_formats = ARRAY_SIZE(fimd_extended_formats);
+ } else {
+ ctx->configs[i].pixel_formats = fimd_formats;
+ ctx->configs[i].num_pixel_formats = ARRAY_SIZE(fimd_formats);
+ }
+
ctx->configs[i].zpos = i;
ctx->configs[i].type = fimd_win_types[i];
ctx->configs[i].capabilities = capabilities[i];
@@ -1133,7 +1185,6 @@ static int fimd_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct fimd_context *ctx;
struct device_node *i80_if_timings;
- struct resource *res;
int ret;
if (!dev->of_node)
@@ -1202,21 +1253,15 @@ static int fimd_probe(struct platform_device *pdev)
return PTR_ERR(ctx->lcd_clk);
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- ctx->regs = devm_ioremap_resource(dev, res);
+ ctx->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ctx->regs))
return PTR_ERR(ctx->regs);
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- ctx->i80_if ? "lcd_sys" : "vsync");
- if (!res) {
- dev_err(dev, "irq request failed.\n");
- return -ENXIO;
- }
+ ret = platform_get_irq_byname(pdev, ctx->i80_if ? "lcd_sys" : "vsync");
+ if (ret < 0)
+ return ret;
- ret = devm_request_irq(dev, res->start, fimd_irq_handler,
- 0, "drm_fimd", ctx);
+ ret = devm_request_irq(dev, ret, fimd_irq_handler, 0, "drm_fimd", ctx);
if (ret) {
dev_err(dev, "irq request failed.\n");
return ret;
@@ -1245,16 +1290,13 @@ err_disable_pm_runtime:
return ret;
}
-static int fimd_remove(struct platform_device *pdev)
+static void fimd_remove(struct platform_device *pdev)
{
pm_runtime_disable(&pdev->dev);
component_del(&pdev->dev, &fimd_component_ops);
-
- return 0;
}
-#ifdef CONFIG_PM
static int exynos_fimd_suspend(struct device *dev)
{
struct fimd_context *ctx = dev_get_drvdata(dev);
@@ -1288,21 +1330,16 @@ static int exynos_fimd_resume(struct device *dev)
return 0;
}
-#endif
-static const struct dev_pm_ops exynos_fimd_pm_ops = {
- SET_RUNTIME_PM_OPS(exynos_fimd_suspend, exynos_fimd_resume, NULL)
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
-};
+static DEFINE_RUNTIME_DEV_PM_OPS(exynos_fimd_pm_ops, exynos_fimd_suspend,
+ exynos_fimd_resume, NULL);
struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = fimd_remove,
.driver = {
.name = "exynos4-fb",
- .owner = THIS_MODULE,
- .pm = &exynos_fimd_pm_ops,
+ .pm = pm_ptr(&exynos_fimd_pm_ops),
.of_match_table = fimd_driver_dt_match,
},
};
generated by cgit (git 2.34.1) at 2025-12-25 23:20:14 +0000