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drm/amd/display: Initialize mode_select to 0

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[ Upstream commit 592ddac93f ]

[WHAT]
mode_select was supposed to be initialized in mpc_read_gamut_remap but
is not set in default case. This can cause indeterminate
behaviors.

This is reported as an UNINIT error by Coverity.

Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alex Hung
2025-06-10 15:40:18 -06:00
committed by Greg Kroah-Hartman
parent c9298c1937
commit 8c2a46aafe
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.c
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@@ -571,7 +571,7 @@ void mpc401_get_gamut_remap(struct mpc *mpc,
struct mpc_grph_gamut_adjustment *adjust)
{
uint16_t arr_reg_val[12] = {0};
uint32_t mode_select;
uint32_t mode_select = MPCC_GAMUT_REMAP_MODE_SELECT_0;
read_gamut_remap(mpc, mpcc_id, arr_reg_val, adjust->mpcc_gamut_remap_block_id, &mode_select);