iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: Fix MPCC 1DLUT programming

Browse Source 
[ Upstream commit 6f395cebdd8927fbffdc3a55a14fcacf93634359 ]

[Why]
Wrong function is used to translate LUT values to HW format, leading to
visible artifacting in some cases.

[How]
Use the correct cm3_helper function.

Cc: stable@vger.kernel.org # 6.1+
Reviewed-by: Krunoslav Kovac <krunoslav.kovac@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ilya Bakoulin 2023-11-07 15:07:56 -05:00 committed by Greg Kroah-Hartman
parent d05614ebad
commit 117917b0be
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
View File

@ -486,8 +486,7 @@ bool dcn32_set_mcm_luts(
if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
lut_params = &plane_state->blend_tf->pwl;
else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
cm_helper_translate_curve_to_hw_format(plane_state->ctx,
plane_state->blend_tf,
cm3_helper_translate_curve_to_hw_format(plane_state->blend_tf,
&dpp_base->regamma_params, false);
lut_params = &dpp_base->regamma_params;
}
@ -501,8 +500,7 @@ bool dcn32_set_mcm_luts(
else if (plane_state->in_shaper_func->type == TF_TYPE_DISTRIBUTED_POINTS) {
// TODO: dpp_base replace
ASSERT(false);
cm_helper_translate_curve_to_hw_format(plane_state->ctx,
plane_state->in_shaper_func,
cm3_helper_translate_curve_to_hw_format(plane_state->in_shaper_func,
&dpp_base->shaper_params, true);
lut_params = &dpp_base->shaper_params;
}