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drm: mali-dp: fix Lx_CONTROL register fields clobber

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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 <mihail.atanassov@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
This commit is contained in:
Mihail Atanassov 2016-12-23 09:57:20 +00:00 committed by Liviu Dudau
parent 7916efe5b5
commit c7ffa59cf0
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/arm/malidp_planes.c
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@ -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)