In order to handle non byte aligned formats, use
drm_format_plane_width_bytes(). Use of 'cpp' can result in
incorrect number of bytes from bit level rounding.
Signed-off-by: Hyun Kwon <hyun.k...@xilinx.com>
---
v2
- This patch is added.
---
---
drivers/gpu/drm/drm_fb_cma_helper.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c
b/drivers/gpu/drm/drm_fb_cma_helper.c
index 186d00a..271175e 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -124,7 +124,8 @@ dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer
*fb,
return 0;
paddr = obj->paddr + fb->offsets[plane];
- paddr += fb->format->cpp[plane] * (state->src_x >> 16);
+ paddr += drm_format_plane_width_bytes(fb->format, plane,
+ state->src_x >> 16);
paddr += fb->pitches[plane] * (state->src_y >> 16);
return paddr;
--
2.7.4
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