From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Put the overlay color conversion unit into 10bit mode if the
pipe isn't using the 8bit legacy gamma. Not 100% sure this is
what the intention of the bit was but makes at least some sense to
me.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_overlay.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c 
b/drivers/gpu/drm/i915/display/intel_overlay.c
index 23829374f751..e51592e35efe 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -777,9 +777,13 @@ static int intel_overlay_do_put_image(struct intel_overlay 
*overlay,
        intel_frontbuffer_flush(new_bo->frontbuffer, ORIGIN_DIRTYFB);
 
        if (!overlay->active) {
-               u32 oconfig;
+               const struct intel_crtc_state *crtc_state =
+                       overlay->crtc->config;
+               u32 oconfig = 0;
 
-               oconfig = OCONF_CC_OUT_8BIT;
+               if (crtc_state->gamma_enable &&
+                   crtc_state->gamma_mode == GAMMA_MODE_MODE_8BIT)
+                       oconfig |= OCONF_CC_OUT_8BIT;
                if (IS_GEN(dev_priv, 4))
                        oconfig |= OCONF_CSC_MODE_BT709;
                oconfig |= pipe == 0 ?
-- 
2.21.0

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to