From 06ac561fb0edf868f7b292fb4a3c8ffbbb1e14bb Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 26 Jul 2022 18:15:31 +0300 Subject: [PATCH] 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 Signed-off-by: Alex Deucher --- 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 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