From 346586d5672d9d63057d4fa03dc0816a59439001 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 29 Mar 2017 15:31:22 -0400 Subject: [PATCH] drm/amdgpu/gfx8: move SET_RESOURCES into the same command stream MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit As the KCQ setup. This way we only have to wait once for the entire MEC. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 87 +++++++++-------------------------- 1 file changed, 23 insertions(+), 64 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 23bd9a6..47c417f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4639,57 +4639,7 @@ static void gfx_v8_0_kiq_setting(struct amdgpu_ring *ring) WREG32(mmRLC_CP_SCHEDULERS, tmp); } -static int gfx_v8_0_kiq_enable(struct amdgpu_ring *ring) -{ - struct amdgpu_device *adev = ring->adev; - uint32_t scratch, tmp = 0; - int r, i; - - r = amdgpu_gfx_scratch_get(adev, &scratch); - if (r) { - DRM_ERROR("Failed to get scratch reg (%d).\n", r); - return r; - } - WREG32(scratch, 0xCAFEDEAD); - - r = amdgpu_ring_alloc(ring, 11); - if (r) { - DRM_ERROR("Failed to lock KIQ (%d).\n", r); - amdgpu_gfx_scratch_free(adev, scratch); - return r; - } - /* set resources */ - amdgpu_ring_write(ring, PACKET3(PACKET3_SET_RESOURCES, 6)); - amdgpu_ring_write(ring, 0); /* vmid_mask:0 queue_type:0 (KIQ) */ - amdgpu_ring_write(ring, 0x000000FF); /* queue mask lo */ - amdgpu_ring_write(ring, 0); /* queue mask hi */ - amdgpu_ring_write(ring, 0); /* gws mask lo */ - amdgpu_ring_write(ring, 0); /* gws mask hi */ - amdgpu_ring_write(ring, 0); /* oac mask */ - amdgpu_ring_write(ring, 0); /* gds heap base:0, gds heap size:0 */ - /* write to scratch for completion */ - amdgpu_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG, 1)); - amdgpu_ring_write(ring, (scratch - PACKET3_SET_UCONFIG_REG_START)); - amdgpu_ring_write(ring, 0xDEADBEEF); - amdgpu_ring_commit(ring); - - for (i = 0; i < adev->usec_timeout; i++) { - tmp = RREG32(scratch); - if (tmp == 0xDEADBEEF) - break; - DRM_UDELAY(1); - } - if (i >= adev->usec_timeout) { - DRM_ERROR("KIQ enable failed (scratch(0x%04X)=0x%08X)\n", - scratch, tmp); - r = -EINVAL; - } - amdgpu_gfx_scratch_free(adev, scratch); - - return r; -} - -static int gfx_v8_0_map_queues_enable(struct amdgpu_device *adev) +static int gfx_v8_0_kiq_kcq_enable(struct amdgpu_device *adev) { struct amdgpu_ring *kiq_ring = &adev->gfx.kiq.ring; uint32_t scratch, tmp = 0; @@ -4702,12 +4652,21 @@ static int gfx_v8_0_map_queues_enable(struct amdgpu_device *adev) } WREG32(scratch, 0xCAFEDEAD); - r = amdgpu_ring_alloc(kiq_ring, (8 * adev->gfx.num_compute_rings) + 3); + r = amdgpu_ring_alloc(kiq_ring, (8 * adev->gfx.num_compute_rings) + 11); if (r) { DRM_ERROR("Failed to lock KIQ (%d).\n", r); amdgpu_gfx_scratch_free(adev, scratch); return r; } + /* set resources */ + amdgpu_ring_write(kiq_ring, PACKET3(PACKET3_SET_RESOURCES, 6)); + amdgpu_ring_write(kiq_ring, 0); /* vmid_mask:0 queue_type:0 (KIQ) */ + amdgpu_ring_write(kiq_ring, 0x000000FF); /* queue mask lo */ + amdgpu_ring_write(kiq_ring, 0); /* queue mask hi */ + amdgpu_ring_write(kiq_ring, 0); /* gws mask lo */ + amdgpu_ring_write(kiq_ring, 0); /* gws mask hi */ + amdgpu_ring_write(kiq_ring, 0); /* oac mask */ + amdgpu_ring_write(kiq_ring, 0); /* gds heap base:0, gds heap size:0 */ for (i = 0; i < adev->gfx.num_compute_rings; i++) { struct amdgpu_ring *ring = &adev->gfx.compute_ring[i]; uint64_t mqd_addr = amdgpu_bo_gpu_offset(ring->mqd_obj); @@ -4969,7 +4928,6 @@ static int gfx_v8_0_kiq_init_queue(struct amdgpu_ring *ring) struct amdgpu_device *adev = ring->adev; struct vi_mqd *mqd = ring->mqd_ptr; int mqd_idx = AMDGPU_MAX_COMPUTE_RINGS; - int r; gfx_v8_0_kiq_setting(ring); @@ -5000,9 +4958,7 @@ static int gfx_v8_0_kiq_init_queue(struct amdgpu_ring *ring) mutex_unlock(&adev->srbm_mutex); } - r = gfx_v8_0_kiq_enable(ring); - - return r; + return 0; } static int gfx_v8_0_kcq_init_queue(struct amdgpu_ring *ring) @@ -5057,13 +5013,6 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev) if (r) goto done; - ring->ready = true; - r = amdgpu_ring_test_ring(ring); - if (r) { - ring->ready = false; - goto done; - } - for (i = 0; i < adev->gfx.num_compute_rings; i++) { ring = &adev->gfx.compute_ring[i]; @@ -5081,10 +5030,20 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev) goto done; } - r = gfx_v8_0_map_queues_enable(adev); + r = gfx_v8_0_kiq_kcq_enable(adev); if (r) goto done; + /* Test KIQ */ + ring = &adev->gfx.kiq.ring; + ring->ready = true; + r = amdgpu_ring_test_ring(ring); + if (r) { + ring->ready = false; + goto done; + } + + /* Test KCQs */ for (i = 0; i < adev->gfx.num_compute_rings; i++) { ring = &adev->gfx.compute_ring[i]; ring->ready = true; -- 2.7.4