Commit 70697e29 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107151725.10507-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarEmil Velikov <emil.velikov@collabora.com>
parent 42f96e5b

drivers/gpu/drm/i915/display/intel_color.c

+8 −4
Original line number Diff line number Diff line
@@ -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),

CRA Git | Maintained and supported by SUSTech CRA and CCSE