From b1d128689f9c602a3dbea37b47a27a568d55754d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 5 Jan 2018 10:25:57 -0500 Subject: [PATCH] drm/amdgpu: adjust HDP write queue flushing for tlb invalidation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Separate tlb invalidation and hdp flushing and move the HDP flush to the caller. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 ++ drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 -- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 --- 6 files changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 0a4f34afaaaa..d0617f1c252f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -247,6 +247,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset, } } mb(); + amdgpu_asic_flush_hdp(adev); amdgpu_gart_flush_gpu_tlb(adev, 0); return 0; } @@ -329,6 +330,7 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset, return r; mb(); + amdgpu_asic_flush_hdp(adev); amdgpu_gart_flush_gpu_tlb(adev, 0); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 5afbc5e714d0..df0f99741b73 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -856,6 +856,7 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev, if (vm->use_cpu_for_update) { /* Flush HDP */ mb(); + amdgpu_asic_flush_hdp(adev); amdgpu_gart_flush_gpu_tlb(adev, 0); } else if (params.ib->length_dw == 0) { amdgpu_job_free(job); @@ -1457,6 +1458,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, if (vm->use_cpu_for_update) { /* Flush HDP */ mb(); + amdgpu_asic_flush_hdp(adev); amdgpu_gart_flush_gpu_tlb(adev, 0); } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 5f5eb15ccf4a..aa06e7232d29 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -360,8 +360,6 @@ static int gmc_v6_0_mc_init(struct amdgpu_device *adev) static void gmc_v6_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid) { - WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); - WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 12e49bd8fd2d..550abff5cb12 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -432,9 +432,6 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev) static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid) { - /* flush hdp cache */ - WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); - /* bits 0-15 are the VM contexts0-15 */ WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 9a170e37fbe7..c0ddd0f35b3b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -607,9 +607,6 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) static void gmc_v8_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid) { - /* flush hdp cache */ - WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); - /* bits 0-15 are the VM contexts0-15 */ WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 100ec69f020a..2a565a48bd4f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -330,9 +330,6 @@ static void gmc_v9_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, const unsigned eng = 17; unsigned i, j; - /* flush hdp cache */ - adev->nbio_funcs->hdp_flush(adev); - spin_lock(&adev->mc.invalidate_lock); for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) { -- GitLab