From 1b9d17db1cb103f56a69d8610d7339fb0a2a90cc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 19 Jan 2018 14:21:47 +0100 Subject: drm/amdgpu: fallback to generic HDP operation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When ring special operations aren't available we can fallback to the generic ASIC operations. Signed-off-by: Christian König Acked-by: Chunming Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index a162d87ca0c8..e87c9952c901 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -184,12 +184,15 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, if (ring->funcs->init_cond_exec) patch_offset = amdgpu_ring_init_cond_exec(ring); - if (ring->funcs->emit_hdp_flush #ifdef CONFIG_X86_64 - && !(adev->flags & AMD_IS_APU) + if (!(adev->flags & AMD_IS_APU)) #endif - ) - amdgpu_ring_emit_hdp_flush(ring); + { + if (ring->funcs->emit_hdp_flush) + amdgpu_ring_emit_hdp_flush(ring); + else + amdgpu_asic_flush_hdp(adev, ring); + } skip_preamble = ring->current_ctx == fence_ctx; need_ctx_switch = ring->current_ctx != fence_ctx; @@ -219,12 +222,15 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, if (ring->funcs->emit_tmz) amdgpu_ring_emit_tmz(ring, false); - if (ring->funcs->emit_hdp_invalidate #ifdef CONFIG_X86_64 - && !(adev->flags & AMD_IS_APU) + if (!(adev->flags & AMD_IS_APU)) #endif - ) - amdgpu_ring_emit_hdp_invalidate(ring); + { + if (ring->funcs->emit_hdp_invalidate) + amdgpu_ring_emit_hdp_invalidate(ring); + else + amdgpu_asic_invalidate_hdp(adev, ring); + } r = amdgpu_fence_emit(ring, f); if (r) { -- cgit v1.2.1 From 2ee150cda7bdc766cf9baca3534f3a2c0b0e8357 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 19 Jan 2018 15:19:16 +0100 Subject: drm/amdgpu: remove now superflous *_hdp operation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit All HDP invalidation and most flush can now be replaced by the generic ASIC function. Signed-off-by: Christian König Acked-by: Chunming Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index e87c9952c901..8ea342dc6376 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -225,12 +225,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, #ifdef CONFIG_X86_64 if (!(adev->flags & AMD_IS_APU)) #endif - { - if (ring->funcs->emit_hdp_invalidate) - amdgpu_ring_emit_hdp_invalidate(ring); - else - amdgpu_asic_invalidate_hdp(adev, ring); - } + amdgpu_asic_invalidate_hdp(adev, ring); r = amdgpu_fence_emit(ring, f); if (r) { -- cgit v1.2.1 From 113890ee99575a5340ab8729b207e48aaac2eb06 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Fri, 19 Jan 2018 19:06:31 +0800 Subject: drm/amdgpu: cond_exec only for schedule with a job MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit issue: under SR-IOV sometimes the iB test will fail on gfx ring fix: with cond_exec inserted in RB the gfx engine would skip part packets if RLCV issue PREEMPT on gfx engine if gfx engine is prior to COND_EXEC packet, this is okay for regular command from UMD, but for the ib test since the whole dma format doesn't support PREEMPT so must remove the COND_EXEC from it. Signed-off-by: Monk Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 8ea342dc6376..7f2c314581d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -181,7 +181,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, } } - if (ring->funcs->init_cond_exec) + if (job && ring->funcs->init_cond_exec) patch_offset = amdgpu_ring_init_cond_exec(ring); #ifdef CONFIG_X86_64 -- cgit v1.2.1 From dbf797655a43c6318ebb90b899e6583fcadc6472 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Tue, 23 Jan 2018 18:26:20 +0800 Subject: drm/amdgpu: adjust timeout for ib_ring_tests(v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit issue: sometime GFX/MM ib test hit timeout under SRIOV env, root cause is that engine doesn't come back soon enough so the current IB test considered as timed out. fix: for SRIOV GFX IB test wait time need to be expanded a lot during SRIOV runtimei mode since it couldn't really begin before GFX engine come back. for SRIOV MM IB test it always need more time since MM scheduling is not go together with GFX engine, it is controled by h/w MM scheduler so no matter runtime or exclusive mode MM IB test always need more time. v2: use ring type instead of idx to judge Signed-off-by: Monk Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 7f2c314581d4..d7e39827f22a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -322,14 +322,45 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev) { unsigned i; int r, ret = 0; + long tmo_gfx, tmo_mm; + + tmo_mm = tmo_gfx = AMDGPU_IB_TEST_TIMEOUT; + if (amdgpu_sriov_vf(adev)) { + /* for MM engines in hypervisor side they are not scheduled together + * with CP and SDMA engines, so even in exclusive mode MM engine could + * still running on other VF thus the IB TEST TIMEOUT for MM engines + * under SR-IOV should be set to a long time. 8 sec should be enough + * for the MM comes back to this VF. + */ + tmo_mm = 8 * AMDGPU_IB_TEST_TIMEOUT; + } + + if (amdgpu_sriov_runtime(adev)) { + /* for CP & SDMA engines since they are scheduled together so + * need to make the timeout width enough to cover the time + * cost waiting for it coming back under RUNTIME only + */ + tmo_gfx = 8 * AMDGPU_IB_TEST_TIMEOUT; + } for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; + long tmo; if (!ring || !ring->ready) continue; - r = amdgpu_ring_test_ib(ring, AMDGPU_IB_TEST_TIMEOUT); + /* MM engine need more time */ + if (ring->funcs->type == AMDGPU_RING_TYPE_UVD || + ring->funcs->type == AMDGPU_RING_TYPE_VCE || + ring->funcs->type == AMDGPU_RING_TYPE_UVD_ENC || + ring->funcs->type == AMDGPU_RING_TYPE_VCN_DEC || + ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) + tmo = tmo_mm; + else + tmo = tmo_gfx; + + r = amdgpu_ring_test_ib(ring, tmo); if (r) { ring->ready = false; -- cgit v1.2.1 From bffe07b8b97d7faaf3d291129aafef2ee8a80e90 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Fri, 26 Jan 2018 16:57:25 +0800 Subject: drm/amdgpu: cleanup SA inti and fini(v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit should use bo_create_kernel instead of split to two function that create and pin the SA bo issue: before this patch, there are DMAR read error in host side when running SRIOV test, the DMAR address dropped in the range of SA bo. fix: after this cleanups of SA init and fini, above DMAR eror gone. v2: keep sa_bo's fini instead of suspend, to keep reporting error Signed-off-by: Monk Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index d7e39827f22a..311589e02d17 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -279,11 +279,6 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev) return r; } - r = amdgpu_sa_bo_manager_start(adev, &adev->ring_tmp_bo); - if (r) { - return r; - } - adev->ib_pool_ready = true; if (amdgpu_debugfs_sa_init(adev)) { dev_err(adev->dev, "failed to register debugfs file for SA\n"); @@ -302,7 +297,6 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev) void amdgpu_ib_pool_fini(struct amdgpu_device *adev) { if (adev->ib_pool_ready) { - amdgpu_sa_bo_manager_suspend(adev, &adev->ring_tmp_bo); amdgpu_sa_bo_manager_fini(adev, &adev->ring_tmp_bo); adev->ib_pool_ready = false; } -- cgit v1.2.1