From: Ville Syrjälä ville.syrjala@linux.intel.com
We have a nice little helper to compute a single LUT entry for everything except the 8bpc legacy gamma mode. Let's complete the set.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/display/intel_color.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index f20809d91f85..5443b8ec0a4c 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -367,6 +367,13 @@ static void chv_load_cgm_csc(struct intel_crtc *crtc, I915_WRITE(CGM_PIPE_CSC_COEFF8(pipe), coeffs[8]); }
+static u32 i9xx_lut_8(const struct drm_color_lut *color) +{ + return drm_color_lut_extract(color->red, 8) << 16 | + drm_color_lut_extract(color->green, 8) << 8 | + drm_color_lut_extract(color->blue, 8); +} + /* i965+ "10.6" bit interpolated format "even DW" (low 8 bits) */ static u32 i965_lut_10p6_ldw(const struct drm_color_lut *color) { @@ -410,10 +417,7 @@ static void i9xx_load_luts_internal(const struct intel_crtc_state *crtc_state, const struct drm_color_lut *lut = blob->data;
for (i = 0; i < 256; i++) { - u32 word = - (drm_color_lut_extract(lut[i].red, 8) << 16) | - (drm_color_lut_extract(lut[i].green, 8) << 8) | - drm_color_lut_extract(lut[i].blue, 8); + u32 word = i9xx_lut_8(&lut[i]);
if (HAS_GMCH(dev_priv)) I915_WRITE(PALETTE(pipe, i), word);