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drm/mediatek: plane: Use FB's format's cpp to compute x offset

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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
This commit is contained in:
Daniel Kurtz 2016-08-04 10:59:56 +08:00 committed by Sean Paul
parent f176cbf6f9
commit 9c350d834f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/mediatek/mtk_drm_plane.c
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@ -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;