diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-01-29 12:40:28 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-01-29 12:40:28 +0000 |
| commit | 55f788ca232ebeb2078670303684960c7a81bfb1 (patch) | |
| tree | f0f62b42366f21b8a59d34924297e51b84cd886c /sys | |
| parent | 8b38623022f047e7a4d07eb514da91747f63a638 (diff) | |
drm/amd/display: reset dcn31 SMU mailbox on failures
From Mario Limonciello
f71c91ed1d4b4bfbbb55327b04dcc32b2d970f62 in linux 5.15.y/5.15.18
83293f7f3d15fc56e86bd5067a2c88b6b233ac3a in mainline linux
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c b/sys/dev/pci/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c index f7f58d4605b..2bfa13e3abe 100644 --- a/sys/dev/pci/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c +++ b/sys/dev/pci/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c @@ -119,6 +119,12 @@ int dcn31_smu_send_msg_with_param( 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); |