aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/rcar-du/rcar_du_kms.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_kms.c54
1 files changed, 52 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 482329102f19..72dda446355f 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -40,6 +40,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_RGB565,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
.pnmr = PnMR_SPIM_TP | PnMR_DDDF_16BPP,
.edf = PnDDCR4_EDF_NONE,
}, {
@@ -47,6 +48,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_ARGB555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
.pnmr = PnMR_SPIM_ALP | PnMR_DDDF_ARGB,
.edf = PnDDCR4_EDF_NONE,
}, {
@@ -61,6 +63,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_XBGR32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
.pnmr = PnMR_SPIM_TP | PnMR_DDDF_16BPP,
.edf = PnDDCR4_EDF_RGB888,
}, {
@@ -68,6 +71,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_ABGR32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
.pnmr = PnMR_SPIM_ALP | PnMR_DDDF_16BPP,
.edf = PnDDCR4_EDF_ARGB8888,
}, {
@@ -75,6 +79,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_UYVY,
.bpp = 16,
.planes = 1,
+ .hsub = 2,
.pnmr = PnMR_SPIM_TP_OFF | PnMR_DDDF_YC,
.edf = PnDDCR4_EDF_NONE,
}, {
@@ -82,6 +87,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_YUYV,
.bpp = 16,
.planes = 1,
+ .hsub = 2,
.pnmr = PnMR_SPIM_TP_OFF | PnMR_DDDF_YC,
.edf = PnDDCR4_EDF_NONE,
}, {
@@ -89,6 +95,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_NV12M,
.bpp = 12,
.planes = 2,
+ .hsub = 2,
.pnmr = PnMR_SPIM_TP_OFF | PnMR_DDDF_YC,
.edf = PnDDCR4_EDF_NONE,
}, {
@@ -96,6 +103,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_NV21M,
.bpp = 12,
.planes = 2,
+ .hsub = 2,
.pnmr = PnMR_SPIM_TP_OFF | PnMR_DDDF_YC,
.edf = PnDDCR4_EDF_NONE,
}, {
@@ -103,6 +111,7 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_NV16M,
.bpp = 16,
.planes = 2,
+ .hsub = 2,
.pnmr = PnMR_SPIM_TP_OFF | PnMR_DDDF_YC,
.edf = PnDDCR4_EDF_NONE,
},
@@ -115,156 +124,187 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = {
.v4l2 = V4L2_PIX_FMT_RGB332,
.bpp = 8,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_ARGB4444,
.v4l2 = V4L2_PIX_FMT_ARGB444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_XRGB4444,
.v4l2 = V4L2_PIX_FMT_XRGB444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGBA4444,
.v4l2 = V4L2_PIX_FMT_RGBA444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGBX4444,
.v4l2 = V4L2_PIX_FMT_RGBX444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_ABGR4444,
.v4l2 = V4L2_PIX_FMT_ABGR444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_XBGR4444,
.v4l2 = V4L2_PIX_FMT_XBGR444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGRA4444,
.v4l2 = V4L2_PIX_FMT_BGRA444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGRX4444,
.v4l2 = V4L2_PIX_FMT_BGRX444,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGBA5551,
.v4l2 = V4L2_PIX_FMT_RGBA555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGBX5551,
.v4l2 = V4L2_PIX_FMT_RGBX555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_ABGR1555,
.v4l2 = V4L2_PIX_FMT_ABGR555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_XBGR1555,
.v4l2 = V4L2_PIX_FMT_XBGR555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGRA5551,
.v4l2 = V4L2_PIX_FMT_BGRA555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGRX5551,
.v4l2 = V4L2_PIX_FMT_BGRX555,
.bpp = 16,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGR888,
.v4l2 = V4L2_PIX_FMT_RGB24,
.bpp = 24,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGB888,
.v4l2 = V4L2_PIX_FMT_BGR24,
.bpp = 24,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGBA8888,
.v4l2 = V4L2_PIX_FMT_BGRA32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_RGBX8888,
.v4l2 = V4L2_PIX_FMT_BGRX32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_ABGR8888,
.v4l2 = V4L2_PIX_FMT_RGBA32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_XBGR8888,
.v4l2 = V4L2_PIX_FMT_RGBX32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGRA8888,
.v4l2 = V4L2_PIX_FMT_ARGB32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_BGRX8888,
.v4l2 = V4L2_PIX_FMT_XRGB32,
.bpp = 32,
.planes = 1,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_YVYU,
.v4l2 = V4L2_PIX_FMT_YVYU,
.bpp = 16,
.planes = 1,
+ .hsub = 2,
}, {
.fourcc = DRM_FORMAT_NV61,
.v4l2 = V4L2_PIX_FMT_NV61M,
.bpp = 16,
.planes = 2,
+ .hsub = 2,
}, {
.fourcc = DRM_FORMAT_YUV420,
.v4l2 = V4L2_PIX_FMT_YUV420M,
.bpp = 12,
.planes = 3,
+ .hsub = 2,
}, {
.fourcc = DRM_FORMAT_YVU420,
.v4l2 = V4L2_PIX_FMT_YVU420M,
.bpp = 12,
.planes = 3,
+ .hsub = 2,
}, {
.fourcc = DRM_FORMAT_YUV422,
.v4l2 = V4L2_PIX_FMT_YUV422M,
.bpp = 16,
.planes = 3,
+ .hsub = 2,
}, {
.fourcc = DRM_FORMAT_YVU422,
.v4l2 = V4L2_PIX_FMT_YVU422M,
.bpp = 16,
.planes = 3,
+ .hsub = 2,
}, {
.fourcc = DRM_FORMAT_YUV444,
.v4l2 = V4L2_PIX_FMT_YUV444M,
.bpp = 24,
.planes = 3,
+ .hsub = 1,
}, {
.fourcc = DRM_FORMAT_YVU444,
.v4l2 = V4L2_PIX_FMT_YVU444M,
.bpp = 24,
.planes = 3,
+ .hsub = 1,
},
};
@@ -311,6 +351,7 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
{
struct rcar_du_device *rcdu = dev->dev_private;
const struct rcar_du_format_info *format;
+ unsigned int chroma_pitch;
unsigned int max_pitch;
unsigned int align;
unsigned int i;
@@ -353,10 +394,19 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
return ERR_PTR(-EINVAL);
}
+ /*
+ * Calculate the chroma plane(s) pitch using the horizontal subsampling
+ * factor. For semi-planar formats, the U and V planes are combined, the
+ * pitch must thus be doubled.
+ */
+ chroma_pitch = mode_cmd->pitches[0] / format->hsub;
+ if (format->planes == 2)
+ chroma_pitch *= 2;
+
for (i = 1; i < format->planes; ++i) {
- if (mode_cmd->pitches[i] != mode_cmd->pitches[0]) {
+ if (mode_cmd->pitches[i] != chroma_pitch) {
dev_dbg(dev->dev,
- "luma and chroma pitches do not match\n");
+ "luma and chroma pitches are not compatible\n");
return ERR_PTR(-EINVAL);
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.