Commit b3256385 authored by Victor Lu's avatar Victor Lu Committed by Alex Deucher
Browse files

drm/amdgpu: Do not wait for MP0_C2PMSG_33 IFWI init in SRIOV 



SRIOV does not need to wait for IFWI init, and MP0_C2PMSG_33 is blocked
for VF access.

Signed-off-by: default avatarVictor Lu <victorchengchi.lu@amd.com>
Reviewed-by: default avatarVignesh Chander <Vignesh.Chander@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4b5b855c

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

+14 −12
Original line number Diff line number Diff line
@@ -260,6 +260,7 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev, 
	u32 msg;

	int i, ret = 0;



	if (!amdgpu_sriov_vf(adev)) {

		/* It can take up to a second for IFWI init to complete on some dGPUs,

		 * but generally it should be in the 60-100ms range.  Normally this starts

		 * as soon as the device gets power so by the time the OS loads this has long
@@ -274,6 +275,7 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev, 
				break;

			usleep_range(1000, 1100);

		}

	}



	vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20;