[Intel-gfx] [PATCH 3/3] drm/i915/glk: Enable pipe CSC

[Ander Conselvan de Oliveira]

Now that the pre-csc degamma table is set up correctly in Geminilake,
pipe CSC can be enabled without causing a black screen.

v2: Rebase.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 1 +
 drivers/gpu/drm/i915/intel_sprite.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 88689a0..65e1869 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3391,6 +3391,7 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
 	if (IS_GEMINILAKE(dev_priv)) {
 		I915_WRITE(PLANE_COLOR_CTL(pipe, plane_id),
 			   PLANE_COLOR_PIPE_GAMMA_ENABLE |
+			   PLANE_COLOR_PIPE_CSC_ENABLE |
 			   PLANE_COLOR_PLANE_GAMMA_DISABLE);
 	} else {
 		plane_ctl |=
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index b16a295..27e0752 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -224,6 +224,7 @@ skl_update_plane(struct drm_plane *drm_plane,
 	if (IS_GEMINILAKE(dev_priv)) {
 		I915_WRITE(PLANE_COLOR_CTL(pipe, plane_id),
 			   PLANE_COLOR_PIPE_GAMMA_ENABLE |
+			   PLANE_COLOR_PIPE_CSC_ENABLE |
 			   PLANE_COLOR_PLANE_GAMMA_DISABLE);
 	} else {
 		plane_ctl |=
-- 
2.9.3