diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2018-05-30 10:34:23 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-30 13:38:05 -0400 |
| commit | 9dac0c3fb41056ae48b93e679c2a796c4dcfa8ed (patch) | |
| tree | 321253fa025c709fe20e6c808eb77482924e5b1d /drivers/gpu | |
| parent | 762f52e9e4d237d8d378b5bb495f64073a9ba481 (diff) | |
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>
Diffstat (limited to 'drivers/gpu')
| -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( | |||
| 343 | struct pp_clock_levels_with_latency pp_clks = { 0 }; | 343 | struct pp_clock_levels_with_latency pp_clks = { 0 }; |
| 344 | const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; | 344 | const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| 345 | 345 | ||
| 346 | if (!pp_funcs->get_clock_by_type_with_latency) | 346 | if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency) |
| 347 | return false; | 347 | return false; |
| 348 | 348 | ||
| 349 | if (pp_funcs->get_clock_by_type_with_latency(pp_handle, | 349 | if (pp_funcs->get_clock_by_type_with_latency(pp_handle, |