diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-11-07 18:17:17 +0300 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-02-20 22:44:54 +0300 |
commit | 70697e29c8c5cfc8e081891d46197e0676832357 (patch) | |
tree | 57d9d8df9ca34792c79a8535af3ef69d3ba15abc /drivers/gpu/drm/i915 | |
parent | 42f96e5bd41e91fc10f7adbcbf0031742eb56be1 (diff) | |
download | linux-70697e29c8c5cfc8e081891d46197e0676832357.tar.xz |
drm/i915: Add i9xx_lut_8()
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107151725.10507-5-ville.syrjala@linux.intel.com
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_color.c | 12 |
1 files 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 d44bd8287801..36dd52d2a9ee 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -392,6 +392,13 @@ static void cherryview_load_csc_matrix(const struct intel_crtc_state *crtc_state intel_de_write(dev_priv, CGM_PIPE_MODE(pipe), crtc_state->cgm_mode); } +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) { @@ -435,10 +442,7 @@ 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)) intel_de_write(dev_priv, PALETTE(pipe, i), |