We weren't correctly calculating the YUV planar offsets for subsampled
chroma planes correctly - fix up the coordinates for planes 1 and 2.
Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk>
---
drivers/gpu/drm/armada/armada_crtc.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/armada/armada_crtc.c
b/drivers/gpu/drm/armada/armada_crtc.c
index 7b80273a49bb..c28c2c533994 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -176,7 +176,13 @@ void armada_drm_plane_calc_addrs(u32 *addrs, struct
drm_framebuffer *fb,
if (num_planes > 3)
num_planes = 3;
- for (i = 0; i < num_planes; i++)
+ addrs[0] = addr + fb->offsets[0] + y * fb->pitches[0] +
+ x * format->cpp[0];
+
+ y /= format->vsub;
+ x /= format->hsub;
+
+ for (i = 1; i < num_planes; i++)
addrs[i] = addr + fb->offsets[i] + y * fb->pitches[i] +
x * format->cpp[i];
for (; i < 3; i++)
--
2.7.4
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