aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMihail Atanassov <[email protected]>2016-12-23 09:57:20 +0000
committerLiviu Dudau <[email protected]>2017-01-23 09:46:24 +0000
commitc7ffa59cf03c38b91d6ef01e42c1b52fd7a4f285 (patch)
tree30157f9cd44c58091ccc252a6cb853e81a6ed7c4
parent7916efe5b57505080b3cebf5bdb228b4eda008ea (diff)
drm: mali-dp: fix Lx_CONTROL register fields clobber
When updating the rotation fields, one of the assignments zeroes out the rest of the register fields, which include settings for chroma siting, inverse gamma, AMBA AXI caching, and alpha blending. Signed-off-by: Mihail Atanassov <[email protected]> Signed-off-by: Liviu Dudau <[email protected]>
-rw-r--r--drivers/gpu/drm/arm/malidp_planes.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 629f634872a4..1db8b6977efc 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -219,7 +219,8 @@ static void malidp_de_plane_update(struct drm_plane *plane,
/* setup the rotation and axis flip bits */
if (plane->state->rotation & DRM_ROTATE_MASK)
- val = ilog2(plane->state->rotation & DRM_ROTATE_MASK) << LAYER_ROT_OFFSET;
+ val |= ilog2(plane->state->rotation & DRM_ROTATE_MASK) <<
+ LAYER_ROT_OFFSET;
if (plane->state->rotation & DRM_REFLECT_X)
val |= LAYER_H_FLIP;
if (plane->state->rotation & DRM_REFLECT_Y)