drm/amdgpu: check sdma ras funcs pointer before accessing (49da2ccd) · Commits · 戴 / test

sdma ras funcs are not supported by ASIC prior to vega20 Signed-off-by:

Le Ma <Le.Ma@amd.com> Signed-off-by:

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -1809,7 +1809,10 @@ static int sdma_v4_0_late_init(void *handle)
		RREG32_SDMA(i, mmSDMA0_EDC_COUNTER);
		}

		if (adev->sdma.funcs && adev->sdma.funcs->ras_late_init)
		return adev->sdma.funcs->ras_late_init(adev, &ih_info);
		else
		return 0;
		}

		static int sdma_v4_0_sw_init(void *handle)
		@@ -1881,6 +1884,7 @@ static int sdma_v4_0_sw_fini(void *handle)
		struct amdgpu_device adev = (struct amdgpu_device )handle;
		int i;

		if (adev->sdma.funcs && adev->sdma.funcs->ras_fini)
		adev->sdma.funcs->ras_fini(adev);

		for (i = 0; i < adev->sdma.num_instances; i++) {