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drm/amd/display: Initialize stack variable

Message ID 20201229165740.519759-1-Rodrigo.Siqueira@amd.com (mailing list archive)
State New, archived
Headers show
Series drm/amd/display: Initialize stack variable | expand

Commit Message

Rodrigo Siqueira Jordao Dec. 29, 2020, 4:57 p.m. UTC 
From: Wesley Chalmers <Wesley.Chalmers@amd.com>

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

Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Josip Pavic <Josip.Pavic@amd.com>
Cc: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
index a46cb20596fe..b096011acb49 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
@@ -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);