diff options
| author | Ville Syrjälä <[email protected]> | 2019-11-07 17:17:17 +0200 |
|---|---|---|
| committer | Ville Syrjälä <[email protected]> | 2020-02-20 21:44:54 +0200 |
| commit | 70697e29c8c5cfc8e081891d46197e0676832357 (patch) | |
| tree | 57d9d8df9ca34792c79a8535af3ef69d3ba15abc | |
| parent | 42f96e5bd41e91fc10f7adbcbf0031742eb56be1 (diff) | |
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 <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Emil Velikov <[email protected]>
| -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), |