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drm/mediatek: plane: Use FB's format's cpp to compute x offset
author
Daniel Kurtz
<djkurtz@chromium.org>
Thu, 4 Aug 2016 02:59:56 +0000
(10:59 +0800)
committer
Sean Paul
<seanpaul@chromium.org>
Mon, 8 Aug 2016 18:20:02 +0000
(14:20 -0400)
Use the framebuffer's format to compute its cpp, and use it when
calculating the address shift value.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link:
http://patchwork.freedesktop.org/patch/msgid/1470279597-60453-7-git-send-email-bibby.hsieh@mediatek.com
drivers/gpu/drm/mediatek/mtk_drm_plane.c
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diff --git
a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index
b3ddb20
..
c461a23
100644
(file)
--- a/
drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/
drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@
-135,7
+135,7
@@
static void mtk_plane_atomic_update(struct drm_plane *plane,
pitch = fb->pitches[0];
format = fb->pixel_format;
- addr += (plane->state->src.x1 >> 16) *
4
;
+ addr += (plane->state->src.x1 >> 16) *
drm_format_plane_cpp(format, 0)
;
addr += (plane->state->src.y1 >> 16) * pitch;
state->pending.enable = true;