From: Ville Syrjälä <[email protected]> Extract a helper to calculate the ILK+ 10bit gamma LUT entry. It's already duplicated twice, and soon we'll have more.
v2: s/it/bit/ (Matt) Reviewed-by: Matt Roper <[email protected]> Reviewed-by: Maarten Lankhorst <[email protected]> Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/intel_color.c | 27 +++++++++++---------------- 1 file changed, 11 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c index f2907cfd116a..d5b3060c2645 100644 --- a/drivers/gpu/drm/i915/intel_color.c +++ b/drivers/gpu/drm/i915/intel_color.c @@ -359,6 +359,13 @@ static void cherryview_load_csc_matrix(const struct intel_crtc_state *crtc_state I915_WRITE(CGM_PIPE_MODE(pipe), crtc_state->cgm_mode); } +static u32 ilk_lut_10(const struct drm_color_lut *color) +{ + return drm_color_lut_extract(color->red, 10) << 20 | + drm_color_lut_extract(color->green, 10) << 10 | + drm_color_lut_extract(color->blue, 10); +} + /* Loads the legacy palette/gamma unit for the CRTC. */ static void i9xx_load_luts_internal(const struct intel_crtc_state *crtc_state, const struct drm_property_blob *blob) @@ -473,14 +480,8 @@ static void bdw_load_degamma_lut(const struct intel_crtc_state *crtc_state) if (degamma_lut) { const struct drm_color_lut *lut = degamma_lut->data; - for (i = 0; i < lut_size; i++) { - u32 word = - drm_color_lut_extract(lut[i].red, 10) << 20 | - drm_color_lut_extract(lut[i].green, 10) << 10 | - drm_color_lut_extract(lut[i].blue, 10); - - I915_WRITE(PREC_PAL_DATA(pipe), word); - } + for (i = 0; i < lut_size; i++) + I915_WRITE(PREC_PAL_DATA(pipe), ilk_lut_10(&lut[i])); } else { for (i = 0; i < lut_size; i++) { u32 v = (i * ((1 << 10) - 1)) / (lut_size - 1); @@ -509,14 +510,8 @@ static void bdw_load_gamma_lut(const struct intel_crtc_state *crtc_state, u32 of if (gamma_lut) { const struct drm_color_lut *lut = gamma_lut->data; - for (i = 0; i < lut_size; i++) { - u32 word = - (drm_color_lut_extract(lut[i].red, 10) << 20) | - (drm_color_lut_extract(lut[i].green, 10) << 10) | - drm_color_lut_extract(lut[i].blue, 10); - - I915_WRITE(PREC_PAL_DATA(pipe), word); - } + for (i = 0; i < lut_size; i++) + I915_WRITE(PREC_PAL_DATA(pipe), ilk_lut_10(&lut[i])); /* * Program the max register to clamp values > 1.0. -- 2.19.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
