drm/amd/display: Initialize stack variable

[WHY]
The stack variable "val" is potentially unpopulate it, so initialize it
with the value 0xf (indicating an invalid mux)

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wesley Chalmers 2020-12-14 15:35:02 -05:00 committed by Alex Deucher
parent 33fd9cb8a2
commit f03e80d2e8

View File

@ -470,7 +470,7 @@ void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock)
unsigned int mpc1_get_mpc_out_mux(struct mpc *mpc, int opp_id)
{
struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
uint32_t val;
uint32_t val = 0xf;
if (opp_id < MAX_OPP && REG(MUX[opp_id]))
REG_GET(MUX[opp_id], MPC_OUT_MUX, &val);