Signed-off-by: Swati Sharma <swati2.sharma@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_color.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 318308d..b1f0f7e 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -807,11 +807,11 @@ static u32 ilk_lut_12p4_ldw(const struct drm_color_lut *color) u32 i; /* - * Every entry in the multi-segment LUT is corresponding to a superfine - * segment step which is 1/(8 * 128 * 256). + * Program Super Fine segment (let's call it seg1)... * - * Superfine segment has 9 entries, corresponding to values - * 0, 1/(8 * 128 * 256), 2/(8 * 128 * 256) .... 8/(8 * 128 * 256). + * Super Fine segment's step is 1/(8 * 128 * 256) and it has + * 9 entries, corresponding to values 0, 1/(8 * 128 * 256), + * 2/(8 * 128 * 256) ... 8/(8 * 128 * 256). */ I915_WRITE(PREC_PAL_MULTI_SEG_INDEX(pipe), PAL_PREC_AUTO_INCREMENT); @@ -837,10 +837,9 @@ static u32 ilk_lut_12p4_ldw(const struct drm_color_lut *color) u32 i; /* - * * Program Fine segment (let's call it seg2)... * - * Fine segment's step is 1/(128 * 256) ie 1/(128 * 256), 2/(128*256) + * Fine segment's step is 1/(128 * 256) i.e. 1/(128 * 256), 2/(128*256) * ... 256/(128*256). So in order to program fine segment of LUT we * need to pick every 8'th entry in LUT, and program 256 indexes. * @@ -858,7 +857,7 @@ static u32 ilk_lut_12p4_ldw(const struct drm_color_lut *color) * Program Coarse segment (let's call it seg3)... * * Coarse segment's starts from index 0 and it's step is 1/256 ie 0, - * 1/256, 2/256 ...256/256. As per the description of each entry in LUT + * 1/256, 2/256 ... 256/256. As per the description of each entry in LUT * above, we need to pick every (8 * 128)th entry in LUT, and * program 256 of those. * @@ -890,12 +889,10 @@ static void icl_load_luts(const struct intel_crtc_state *crtc_state) case GAMMA_MODE_MODE_8BIT: i9xx_load_luts(crtc_state); break; - case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED: icl_program_gamma_superfine_segment(crtc_state); icl_program_gamma_multi_segment(crtc_state); break; - default: bdw_load_lut_10(crtc, gamma_lut, PAL_PREC_INDEX_VALUE(0)); ivb_load_lut_ext_max(crtc); -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
