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authorAlex Deucher <alexander.deucher@amd.com>2018-05-30 09:34:23 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-05-30 12:38:05 -0500
commit9dac0c3fb41056ae48b93e679c2a796c4dcfa8ed (patch)
tree321253fa025c709fe20e6c808eb77482924e5b1d /drivers/gpu/drm
parent762f52e9e4d237d8d378b5bb495f64073a9ba481 (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/drm')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c2
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,