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authorRex Zhu <Rex.Zhu@amd.com>2018-03-20 16:32:07 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-03-20 23:44:50 -0500
commiteb4900aa4c49e978041405ab2eeeb8538c7f736a (patch)
tree0fa0638f45a1001b426d757faf1160da6db11ac7 /drivers/gpu/drm/amd/amdgpu/ci_dpm.c
parent81ce8bea035befed2ae7670bf9f9404fa3f46f71 (diff)
drm/amdgpu: Fix kernel NULL pointer dereference in dpm functions
caused by 'commit 83e3c4615872 ("drm/amdgpu: Remove wrapper layer of smu ip functions")' BUG: unable to handle kernel NULL pointer dereference at 00000000000005d8 [ 313.241459] IP: ci_dpm_read_sensor+0x37/0xf0 [amdgpu] Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ci_dpm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/ci_dpm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
index 98d1dd253596..47ef3e6e7178 100644
--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
@@ -6244,6 +6244,7 @@ static int ci_dpm_early_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
adev->powerplay.pp_funcs = &ci_dpm_funcs;
+ adev->powerplay.pp_handle = adev;
ci_dpm_set_irq_funcs(adev);
return 0;