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| author | Alex Deucher <alexander.deucher@amd.com> | 2018-05-30 16:34:23 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-30 19:38:05 +0200 |
| commit | 9dac0c3fb41056ae48b93e679c2a796c4dcfa8ed (patch) | |
| tree | 321253fa025c709fe20e6c808eb77482924e5b1d | |
| parent | drm/amd/pp: Connect display_clock_voltage_request to a function pointer (diff) | |
| download | linux-9dac0c3fb41056ae48b93e679c2a796c4dcfa8ed.tar.xz linux-9dac0c3fb41056ae48b93e679c2a796c4dcfa8ed.zip | |
drm/amdgpu/display: check if ppfuncs exists before using it
Fixes a crash on asics without powerplay yet (e.g., vega20).
Reviewed-by: Rex Zhu<rezhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c index d5e6b45fd6e6..5a3346124a01 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c @@ -343,7 +343,7 @@ bool dm_pp_get_clock_levels_by_type_with_latency( struct pp_clock_levels_with_latency pp_clks = { 0 }; const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; - if (!pp_funcs->get_clock_by_type_with_latency) + if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency) return false; if (pp_funcs->get_clock_by_type_with_latency(pp_handle, |