From: Ville Syrjälä <[email protected]>

We don't currently have any use for the sprite gamma on ivb-bdw.
Let's disable it. We already do that on skl+.

On pre-ivb there is no way to disable the sprite gamma, and it
only affects YCbCr pixel formats, whereas on ivb+ it also
affects RGB formats.

Reviewed-by: Maarten Lankhorst <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_sprite.c | 2 ++
 drivers/gpu/drm/i915/i915_reg.h             | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c 
b/drivers/gpu/drm/i915/display/intel_sprite.c
index 004b52027ae8..c7314617424a 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -1013,6 +1013,8 @@ static u32 ivb_sprite_ctl(const struct intel_crtc_state 
*crtc_state,
                return 0;
        }
 
+       sprctl |= SPRITE_INT_GAMMA_DISABLE;
+
        if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
                sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c814cc1b3ae5..9aa55c0d737b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6465,7 +6465,7 @@ enum {
 #define   SPRITE_YUV_ORDER_VYUY                (3 << 16)
 #define   SPRITE_ROTATE_180            (1 << 15)
 #define   SPRITE_TRICKLE_FEED_DISABLE  (1 << 14)
-#define   SPRITE_INT_GAMMA_ENABLE      (1 << 13)
+#define   SPRITE_INT_GAMMA_DISABLE     (1 << 13)
 #define   SPRITE_TILED                 (1 << 10)
 #define   SPRITE_DEST_KEY              (1 << 2)
 #define _SPRA_LINOFF           0x70284
-- 
2.21.0

_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to