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drm/amdgpu: check SMU NULL ptr on gfx hw init 

Check SMU NULL ptr before load smu fw.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2019-08-15 15:46:10 +08:00 committed by Alex Deucher
parent 68a9fb4d29
commit 98bf250edd
1 changed files with 9 additions and 7 deletions
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2
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
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@ -6540,6 +6540,7 @@ static int gfx_v10_0_hw_init(void *handle)
* loaded firstly, so in direct type, it has to load smc ucode
* here before rlc.
*/
if (adev->smu.ppt_funcs != NULL) {
r = smu_load_microcode(&adev->smu);
if (r)
return r;
@ -6550,6 +6551,7 @@ static int gfx_v10_0_hw_init(void *handle)
return r;
}
}
}
/* if GRBM CAM not remapped, set up the remapping */
if (!gfx_v10_0_check_grbm_cam_remapping(adev))