[RFC v2 22/22] drm/i915/xelpd: Enable plane gamma

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Enable plane gamma feature in check callbacks. Decide
based on the user input.

Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/skl_universal_plane.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 61eff22a3503..139863d4e3a7 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -959,7 +959,9 @@ static u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 	u32 plane_color_ctl = 0;
 
-	plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
+	/* FIXME needs hw.gamma_lut */
+	if (!plane_state->uapi.gamma_lut)
+		plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
 
 	/* FIXME needs hw.degamma_lut */
 	if (plane_state->uapi.degamma_lut)
-- 
2.26.2




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