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

Uma Shankar
2021-09-06T21:02:15Z

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

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
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