mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-30 10:00:03 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915/color: deduplicate loops in xelpd_program_plane_post_csc_lut()

Browse Source 
Now that the pre_csc_lut and non-pre_csc_lut paths look similar,
deduplicate the loops and just determine the value based on pre_csc_lut
vs. not.

Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://patch.msgid.link/4b3f55002a1c5b7067ccd6688d802fc284410e03.1780499355.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula
2026-06-03 18:14:35 +03:00
parent bbc23003e0
commit 5de2ad00a0
1 changed files with 8 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/gpu/drm/i915/display/intel_color.c
View File

@@ -4017,28 +4017,22 @@ xelpd_program_plane_post_csc_lut(struct intel_dsb *dsb,
/* TODO: Add macro */
intel_de_write_dsb(display, dsb, PLANE_POST_CSC_GAMC_SEG0_INDEX_ENH(pipe, plane, 0),
PLANE_PAL_PREC_AUTO_INCREMENT);
if (post_csc_lut) {
for (i = 0; i < lut_size + 3; i++) {
for (i = 0; i < lut_size + 3; i++) {
if (post_csc_lut) {
if (i < lut_size)
lut_val = drm_color_lut32_extract(post_csc_lut[i].green, 24);
/* else clamp to the last LUT value to prevent step discontinuity */
intel_de_write_dsb(display, dsb,
PLANE_POST_CSC_GAMC_DATA_ENH(pipe, plane, 0),
lut_val);
}
} else {
/*TODO: Add for segment 0 */
for (i = 0; i < lut_size + 3; i++) {
} else {
if (i < lut_size)
lut_val = (i * ((1 << 24) - 1)) / (lut_size - 1);
else
lut_val = 1 << 24;
intel_de_write_dsb(display, dsb,
PLANE_POST_CSC_GAMC_DATA_ENH(pipe, plane, 0),
lut_val);
}
intel_de_write_dsb(display, dsb,
PLANE_POST_CSC_GAMC_DATA_ENH(pipe, plane, 0),
lut_val);
}
intel_de_write_dsb(display, dsb, PLANE_POST_CSC_GAMC_INDEX_ENH(pipe, plane, 0), 0);