From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit 06ac561fb0edf868f7b292fb4a3c8ffbbb1e14bb ]
The "ret" variable needs to be signed for the error handling to work.
Fixes: 2ca97adccdc9 ("drm/amd/display: Add Synaptics Fifo Reset Workaround") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 7c799ddc1d27..82c04af09d18 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -571,7 +571,7 @@ static bool execute_synaptics_rc_command(struct drm_dp_aux *aux, unsigned char rc_cmd = 0; unsigned char rc_result = 0xFF; unsigned char i = 0; - uint8_t ret = 0; + int ret;
if (is_write_cmd) { // write rc data