From 6319a05548a3174f32b4ad78d06c43fa3c6dd839 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Tue, 16 Jan 2018 20:24:55 +0100 Subject: [PATCH 3206/4131] drm/amdgpu: add PASID mapping for GMC v7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This way we can see the PASID in VM faults. Signed-off-by: Christian König Reviewed-by: Chunming Zhou --- drivers/gpu/drm/amd/amdgpu/cik.h | 2 +- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/cik.h b/drivers/gpu/drm/amd/amdgpu/cik.h index 201d878..e49c6f1 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.h +++ b/drivers/gpu/drm/amd/amdgpu/cik.h @@ -24,7 +24,7 @@ #ifndef __CIK_H__ #define __CIK_H__ -#define CIK_FLUSH_GPU_TLB_NUM_WREG 2 +#define CIK_FLUSH_GPU_TLB_NUM_WREG 3 void cik_srbm_select(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue, u32 vmid); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 64f5457..e1937ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -449,6 +449,8 @@ static uint64_t gmc_v7_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); -- 2.7.4