tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/amd/display: Fix shaper using bad LUT params

[Why]
LUT params are not cleared after setting blend TF, which can lead to
same params being used for the shaper, if the shaper func is bypassed.

[How]
Set lut_params to NULL after program_1dlut.

Reviewed-by: Krunoslav Kovac <krunoslav.kovac@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

Ilya Bakoulin and committed by
Alex Deucher 85ca6e85 8d0f4cd2

+1
+1
drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
··· 494 494 } 495 495 } 496 496 result = mpc->funcs->program_1dlut(mpc, lut_params, mpcc_id); 497 + lut_params = NULL; 497 498 498 499 // Shaper 499 500 if (plane_state->in_shaper_func) {