Commit f2d66571 authored by Le Ma's avatar Le Ma Committed by Alex Deucher
Browse files

drm/amdgpu: skip pasid mapping for second mmhub on Arcturus 



There's no LUT register for second mmhub to convert pasid since it has no ATC.

Signed-off-by: default avatarLe Ma <le.ma@amd.com>
Reviewed-by: default avatarFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2065aa54

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

+4 −0
Original line number Diff line number Diff line
@@ -492,6 +492,10 @@ static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 
	struct amdgpu_device *adev = ring->adev;

	uint32_t reg;



	/* Do nothing because there's no lut register for mmhub1. */

	if (ring->funcs->vmhub == AMDGPU_MMHUB_1)

		return;



	if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)

		reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;

	else