diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2022-01-07 22:40:10 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-11 21:44:27 +0100 |
| commit | 83293f7f3d15fc56e86bd5067a2c88b6b233ac3a (patch) | |
| tree | 6bac847f160dd06e1d3da742058c07c922993b13 /drivers | |
| parent | drm/amdkfd: use default_groups in kobj_type (diff) | |
| download | linux-83293f7f3d15fc56e86bd5067a2c88b6b233ac3a.tar.xz linux-83293f7f3d15fc56e86bd5067a2c88b6b233ac3a.zip | |
drm/amd/display: reset dcn31 SMU mailbox on failures
Otherwise future commands may fail as well leading to downstream
problems that look like they stemmed from a timeout the first time
but really didn't.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c index b7ace235a2d5..a1011f3273f3 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c @@ -119,6 +119,12 @@ static int dcn31_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, result = dcn31_smu_wait_for_response(clk_mgr, 10, 200000); + if (result == VBIOSSMC_Result_Failed) { + ASSERT(0); + REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Result_OK); + return -1; + } + if (IS_SMU_TIMEOUT(result)) { ASSERT(0); dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000); |