From bbec97aae660adafa5208c5defc54e3cbbe6b129 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Tue, 5 Jul 2016 21:07:17 +0200 Subject: [PATCH] drm/amdgpu: add a fence timeout for the IB tests v2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 10ms should be enough for now. v2: fix some typos in CIK code Signed-off-by: Christian König Reviewed-by: Chunming Zhou Reviewed-by: Edward O'Callaghan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 4 +++- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 25 +++++++++++++++---------- drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 18 +++++++++++------- drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h | 2 +- drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 19 ++++++++++++------- drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 19 ++++++++++++------- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 19 ++++++++++++------- drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 19 ++++++++++++------- drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 19 ++++++++++++------- 11 files changed, 93 insertions(+), 57 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 02a0d19ce54c..9d1909f08d43 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -306,7 +306,7 @@ struct amdgpu_ring_funcs { uint32_t oa_base, uint32_t oa_size); /* testing functions */ int (*test_ring)(struct amdgpu_ring *ring); - int (*test_ib)(struct amdgpu_ring *ring); + int (*test_ib)(struct amdgpu_ring *ring, long timeout); /* insert NOP packets */ void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count); /* pad the indirect buffer to the necessary number of dw */ @@ -2245,7 +2245,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) #define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags))) #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib))) #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r)) -#define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r)) +#define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t)) #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r)) #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r)) #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 428ebf3a4387..050062e07a44 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -33,6 +33,8 @@ #include "amdgpu.h" #include "atom.h" +#define AMDGPU_IB_TEST_TIMEOUT msecs_to_jiffies(10) + /* * IB * IBs (Indirect Buffers) and areas of GPU accessible memory where @@ -286,7 +288,7 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev) if (!ring || !ring->ready) continue; - r = amdgpu_ring_test_ib(ring); + r = amdgpu_ring_test_ib(ring, AMDGPU_IB_TEST_TIMEOUT); if (r) { ring->ready = false; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index ef5342bd6968..c3712498c2c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -1135,29 +1135,34 @@ void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring) * * Test if we can successfully execute an IB */ -int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring) +int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout) { - struct fence *fence = NULL; - int r; + struct fence *fence; + long r; r = amdgpu_uvd_get_create_msg(ring, 1, NULL); if (r) { - DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); + DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); goto error; } r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence); if (r) { - DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); goto error; } - r = fence_wait(fence, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); - goto error; + r = fence_wait_timeout(fence, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out.\n"); + r = -ETIMEDOUT; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); + } else { + DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } - DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + error: fence_put(fence); return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h index 224359e4d0b4..c850009602d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h @@ -37,6 +37,6 @@ void amdgpu_uvd_free_handles(struct amdgpu_device *adev, int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx); void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring); void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring); -int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring); +int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout); #endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 6b49d406daf6..0afa73c82a9f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -844,10 +844,10 @@ int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) * @ring: the engine to test on * */ -int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring) +int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct fence *fence = NULL; - int r; + long r; /* skip vce ring1 ib test for now, since it's not reliable */ if (ring == &ring->adev->vce.ring[1]) @@ -855,21 +855,25 @@ int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring) r = amdgpu_vce_get_create_msg(ring, 1, NULL); if (r) { - DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r); + DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); goto error; } r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); if (r) { - DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); goto error; } - r = fence_wait(fence, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(fence, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out.\n"); + r = -ETIMEDOUT; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); } else { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } error: fence_put(fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h index fe84b80dbbed..63f83d0d985c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h @@ -39,7 +39,7 @@ void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib, void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, unsigned flags); int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring); -int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring); +int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout); void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring); void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring); diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index c1eedc466526..ee6466912497 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -617,19 +617,19 @@ static int cik_sdma_ring_test_ring(struct amdgpu_ring *ring) * Test a simple IB in the DMA ring (CIK). * Returns 0 on success, error on failure. */ -static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring) +static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct amdgpu_device *adev = ring->adev; struct amdgpu_ib ib; struct fence *f = NULL; unsigned index; - int r; u32 tmp = 0; u64 gpu_addr; + long r; r = amdgpu_wb_get(adev, &index); if (r) { - dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); + dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); return r; } @@ -639,7 +639,7 @@ static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring) memset(&ib, 0, sizeof(ib)); r = amdgpu_ib_get(adev, NULL, 256, &ib); if (r) { - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); goto err0; } @@ -654,14 +654,19 @@ static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring) if (r) goto err1; - r = fence_wait(f, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(f, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out\n"); + r = -ETIMEDOUT; + goto err1; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); goto err1; } tmp = le32_to_cpu(adev->wb.wb[index]); if (tmp == 0xDEADBEEF) { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } else { DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); r = -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 1ac5ad01bf58..d869d058ef24 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2105,25 +2105,25 @@ static void gfx_v7_0_ring_emit_ib_compute(struct amdgpu_ring *ring, * Provides a basic gfx ring test to verify that IBs are working. * Returns 0 on success, error on failure. */ -static int gfx_v7_0_ring_test_ib(struct amdgpu_ring *ring) +static int gfx_v7_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct amdgpu_device *adev = ring->adev; struct amdgpu_ib ib; struct fence *f = NULL; uint32_t scratch; uint32_t tmp = 0; - int r; + long r; r = amdgpu_gfx_scratch_get(adev, &scratch); if (r) { - DRM_ERROR("amdgpu: failed to get scratch reg (%d).\n", r); + DRM_ERROR("amdgpu: failed to get scratch reg (%ld).\n", r); return r; } WREG32(scratch, 0xCAFEDEAD); memset(&ib, 0, sizeof(ib)); r = amdgpu_ib_get(adev, NULL, 256, &ib); if (r) { - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); goto err1; } ib.ptr[0] = PACKET3(PACKET3_SET_UCONFIG_REG, 1); @@ -2135,14 +2135,19 @@ static int gfx_v7_0_ring_test_ib(struct amdgpu_ring *ring) if (r) goto err2; - r = fence_wait(f, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(f, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out\n"); + r = -ETIMEDOUT; + goto err2; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); goto err2; } tmp = RREG32(scratch); if (tmp == 0xDEADBEEF) { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } else { DRM_ERROR("amdgpu: ib test failed (scratch(0x%04X)=0x%08X)\n", scratch, tmp); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index d97b962bc3de..bff8668e9e6d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -787,25 +787,25 @@ static int gfx_v8_0_ring_test_ring(struct amdgpu_ring *ring) return r; } -static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring) +static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct amdgpu_device *adev = ring->adev; struct amdgpu_ib ib; struct fence *f = NULL; uint32_t scratch; uint32_t tmp = 0; - int r; + long r; r = amdgpu_gfx_scratch_get(adev, &scratch); if (r) { - DRM_ERROR("amdgpu: failed to get scratch reg (%d).\n", r); + DRM_ERROR("amdgpu: failed to get scratch reg (%ld).\n", r); return r; } WREG32(scratch, 0xCAFEDEAD); memset(&ib, 0, sizeof(ib)); r = amdgpu_ib_get(adev, NULL, 256, &ib); if (r) { - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); goto err1; } ib.ptr[0] = PACKET3(PACKET3_SET_UCONFIG_REG, 1); @@ -817,14 +817,19 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring) if (r) goto err2; - r = fence_wait(f, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(f, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out.\n"); + r = -ETIMEDOUT; + goto err2; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); goto err2; } tmp = RREG32(scratch); if (tmp == 0xDEADBEEF) { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } else { DRM_ERROR("amdgpu: ib test failed (scratch(0x%04X)=0x%08X)\n", scratch, tmp); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 9d43c6ca37e6..1351c7e834a2 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -668,19 +668,19 @@ static int sdma_v2_4_ring_test_ring(struct amdgpu_ring *ring) * Test a simple IB in the DMA ring (VI). * Returns 0 on success, error on failure. */ -static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring) +static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct amdgpu_device *adev = ring->adev; struct amdgpu_ib ib; struct fence *f = NULL; unsigned index; - int r; u32 tmp = 0; u64 gpu_addr; + long r; r = amdgpu_wb_get(adev, &index); if (r) { - dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); + dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); return r; } @@ -690,7 +690,7 @@ static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring) memset(&ib, 0, sizeof(ib)); r = amdgpu_ib_get(adev, NULL, 256, &ib); if (r) { - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); goto err0; } @@ -709,14 +709,19 @@ static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring) if (r) goto err1; - r = fence_wait(f, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(f, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out\n"); + r = -ETIMEDOUT; + goto err1; + } else if (r) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); goto err1; } tmp = le32_to_cpu(adev->wb.wb[index]); if (tmp == 0xDEADBEEF) { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } else { DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); r = -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 4debd0dc47d8..653ce5ed55ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -896,19 +896,19 @@ static int sdma_v3_0_ring_test_ring(struct amdgpu_ring *ring) * Test a simple IB in the DMA ring (VI). * Returns 0 on success, error on failure. */ -static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring) +static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct amdgpu_device *adev = ring->adev; struct amdgpu_ib ib; struct fence *f = NULL; unsigned index; - int r; u32 tmp = 0; u64 gpu_addr; + long r; r = amdgpu_wb_get(adev, &index); if (r) { - dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); + dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); return r; } @@ -918,7 +918,7 @@ static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring) memset(&ib, 0, sizeof(ib)); r = amdgpu_ib_get(adev, NULL, 256, &ib); if (r) { - DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); + DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); goto err0; } @@ -937,14 +937,19 @@ static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring) if (r) goto err1; - r = fence_wait(f, false); - if (r) { - DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); + r = fence_wait_timeout(f, false, timeout); + if (r == 0) { + DRM_ERROR("amdgpu: IB test timed out\n"); + r = -ETIMEDOUT; + goto err1; + } else if (r < 0) { + DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); goto err1; } tmp = le32_to_cpu(adev->wb.wb[index]); if (tmp == 0xDEADBEEF) { DRM_INFO("ib test on ring %d succeeded\n", ring->idx); + r = 0; } else { DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); r = -EINVAL; -- 2.20.1