diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2023-06-22 23:14:22 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-07-18 18:14:08 +0300 |
| commit | a243e38e699f03b7d73b156564cfd67b78448368 (patch) | |
| tree | 384e7bf59b9d9c86feaa626670355e76e9349de9 /drivers/gpu | |
| parent | bf27f5defe92d310099d2f621a5276104d7db093 (diff) | |
| download | linux-a243e38e699f03b7d73b156564cfd67b78448368.tar.xz | |
drm/amd/display: Skip querying caps when DMCUB emulation is in use
[Why]
Workaround to avoid accessing DMCUB state too early if the emulator
is in use - we don't support any of the features the caps are querying
with emulation anyway.
[How]
Guard the query if emulation is in use.
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index c753c6f30dd7..24433409d7de 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -381,6 +381,9 @@ void dc_dmub_srv_query_caps_cmd(struct dc_dmub_srv *dc_dmub_srv) { union dmub_rb_cmd cmd = { 0 }; + if (dc_dmub_srv->ctx->dc->debug.dmcub_emulation) + return; + memset(&cmd, 0, sizeof(cmd)); /* Prepare fw command */ |