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* [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling
@ 2016-10-18 16:07 Philipp Zabel
  2016-10-18 16:07 ` [PATCH 2/9] drm/imx: ipuv3-plane: disable local alpha for planes without alpha channel Philipp Zabel
                   ` (9 more replies)
  0 siblings, 10 replies; 23+ messages in thread
From: Philipp Zabel @ 2016-10-18 16:07 UTC (permalink / raw)
  To: dri-devel; +Cc: kernel

Odd x/y offsets are not allowed for chroma subsampled planar YUV
formats.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 drivers/gpu/drm/imx/ipuv3-plane.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 5c34299..3a03fd8 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -259,6 +259,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
 	struct drm_framebuffer *fb = state->fb;
 	struct drm_framebuffer *old_fb = old_state->fb;
 	unsigned long eba, ubo, vbo, old_ubo, old_vbo;
+	int hsub, vsub;
 
 	/* Ok to disable */
 	if (!fb)
@@ -372,6 +373,13 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
 
 		if (old_fb && old_fb->pitches[1] != fb->pitches[1])
 			crtc_state->mode_changed = true;
+
+		/* x and y offsets must be even in case of chroma subsampling */
+		hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
+		vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
+		if (((state->src_x >> 16) & (hsub - 1)) ||
+		    ((state->src_y >> 16) & (vsub - 1)))
+			return -EINVAL;
 	}
 
 	return 0;
-- 
2.9.3

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^ permalink raw reply related	[flat|nested] 23+ messages in thread

end of thread, other threads:[~2016-10-19  9:33 UTC | newest]

Thread overview: 23+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-10-18 16:07 [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Philipp Zabel
2016-10-18 16:07 ` [PATCH 2/9] drm/imx: ipuv3-plane: disable local alpha for planes without alpha channel Philipp Zabel
2016-10-19  7:17   ` Ying Liu
2016-10-18 16:07 ` [PATCH 3/9] drm/imx: ipuv3-plane: request modeset if plane offsets changed Philipp Zabel
2016-10-19  7:19   ` Ying Liu
2016-10-18 16:07 ` [PATCH 4/9] drm/imx: ipuv3-plane: merge ipu_plane_atomic_set_base into atomic_update Philipp Zabel
2016-10-19  7:20   ` Ying Liu
2016-10-18 16:07 ` [PATCH 5/9] drm/imx: ipuv3-plane: let drm_plane_state_to_ubo/vbo handle chroma subsampling other than 4:2:0 Philipp Zabel
2016-10-19  7:42   ` Ying Liu
2016-10-18 16:07 ` [PATCH 6/9] gpu: ipu-cpmem: Add missing YVU422 case to ipu_cpmem_set_yuv_planar Philipp Zabel
2016-10-19  7:44   ` Ying Liu
2016-10-18 16:07 ` [PATCH 7/9] gpu: ipu-v3: add YUV 4:4:4 support Philipp Zabel
2016-10-19  7:47   ` Ying Liu
2016-10-19  9:30     ` Philipp Zabel
2016-10-18 16:07 ` [PATCH 8/9] drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats Philipp Zabel
2016-10-19  7:49   ` Ying Liu
2016-10-19  9:33     ` Philipp Zabel
2016-10-18 16:07 ` [PATCH 9/9] gpu: ipu-v3: initially clear all interrupts Philipp Zabel
2016-10-19  7:50   ` Ying Liu
2016-10-19  7:12 ` [PATCH 1/9] drm/imx: ipuv3-plane: make sure x/y offsets are even in case of chroma subsampling Ying Liu
2016-10-19  9:30   ` Philipp Zabel
2016-10-19  7:58 ` Ville Syrjälä
2016-10-19  9:30   ` Philipp Zabel

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