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authorDan Carpenter <dan.carpenter@oracle.com>2022-07-26 18:15:31 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-07-28 16:05:16 -0400
commit06ac561fb0edf868f7b292fb4a3c8ffbbb1e14bb (patch)
tree3e2e7959eaa61a39ef78d24e0f38c8b1851a8d8c /drivers/gpu
parente3b0079be8f0a2ccb533f7e38757b27ab6b6018c (diff)
downloadlinux-06ac561fb0edf868f7b292fb4a3c8ffbbb1e14bb.tar.bz2
drm/amd/display: fix signedness bug in execute_synaptics_rc_command()
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c2
1 files changed, 1 insertions, 1 deletions
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 d66e3cd64ebd..a0154a5f7183 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
@@ -569,7 +569,7 @@ 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