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-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_plane.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index b3ddb20..c461a23 100644
--- 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;