From: Christian König Date: Tue, 16 Jan 2018 19:26:03 +0000 (+0100) Subject: drm/amdgpu: add PASID mapping for GMC v8 X-Git-Tag: v5.15~8964^2~30^2~229 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=86ea2ff6981cf773ca77df4a4fa8b47ac24446e4;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: add PASID mapping for GMC v8 This way we can see the PASID in VM faults. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 267ff3d..ce18196 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -623,6 +623,8 @@ static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8; amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); + amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid); + /* bits 0-15 are the VM contexts0-15 */ amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); diff --git a/drivers/gpu/drm/amd/amdgpu/vi.h b/drivers/gpu/drm/amd/amdgpu/vi.h index 6cc2bee..0429fe3 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.h +++ b/drivers/gpu/drm/amd/amdgpu/vi.h @@ -24,7 +24,7 @@ #ifndef __VI_H__ #define __VI_H__ -#define VI_FLUSH_GPU_TLB_NUM_WREG 2 +#define VI_FLUSH_GPU_TLB_NUM_WREG 3 void vi_srbm_select(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue, u32 vmid);