6.15-stable review patch. If anyone has any objections, please let me know.
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From: Alex Hung alex.hung@amd.com
[ Upstream commit 592ddac93f8c02e13f19175745465f8c4d0f56cd ]
[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 --- drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.c b/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.c index ad67197557ca..63fb6777c1fd 100644 --- a/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/mpc/dcn401/dcn401_mpc.c @@ -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);