From ac104e99cdd395f0fc147bd46e3ee33c68baccce Mon Sep 17 00:00:00 2001 From: Xiangliang Yu Date: Mon, 13 Feb 2017 16:13:46 +0800 Subject: [PATCH] drm/amdgpu: add kiq ring for gfx9 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Allocate KIQ ring in sw_init for gfx9. Signed-off-by: Xiangliang Yu Signed-off-by: Monk Liu Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 88 +++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 4c1c5b50cbdb..83a7058ac05b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -577,6 +577,74 @@ static int gfx_v9_0_mec_init(struct amdgpu_device *adev) return 0; } +static void gfx_v9_0_kiq_fini(struct amdgpu_device *adev) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + + amdgpu_bo_free_kernel(&kiq->eop_obj, &kiq->eop_gpu_addr, NULL); +} + +static int gfx_v9_0_kiq_init(struct amdgpu_device *adev) +{ + int r; + u32 *hpd; + struct amdgpu_kiq *kiq = &adev->gfx.kiq; + + r = amdgpu_bo_create_kernel(adev, MEC_HPD_SIZE, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, &kiq->eop_obj, + &kiq->eop_gpu_addr, (void **)&hpd); + if (r) { + dev_warn(adev->dev, "failed to create KIQ bo (%d).\n", r); + return r; + } + + memset(hpd, 0, MEC_HPD_SIZE); + + amdgpu_bo_kunmap(kiq->eop_obj); + + return 0; +} + +static int gfx_v9_0_kiq_init_ring(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + struct amdgpu_irq_src *irq) +{ + int r = 0; + + r = amdgpu_wb_get(adev, &adev->virt.reg_val_offs); + if (r) + return r; + + ring->adev = NULL; + ring->ring_obj = NULL; + ring->use_doorbell = true; + ring->doorbell_index = AMDGPU_DOORBELL_KIQ; + if (adev->gfx.mec2_fw) { + ring->me = 2; + ring->pipe = 0; + } else { + ring->me = 1; + ring->pipe = 1; + } + + irq->data = ring; + ring->queue = 0; + sprintf(ring->name, "kiq %d.%d.%d", ring->me, ring->pipe, ring->queue); + r = amdgpu_ring_init(adev, ring, 1024, + irq, AMDGPU_CP_KIQ_IRQ_DRIVER0); + if (r) + dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r); + + return r; +} +static void gfx_v9_0_kiq_free_ring(struct amdgpu_ring *ring, + struct amdgpu_irq_src *irq) +{ + amdgpu_wb_free(ring->adev, ring->adev->virt.reg_val_offs); + amdgpu_ring_fini(ring); + irq->data = NULL; +} + static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t address) { WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_IND_INDEX), @@ -899,6 +967,7 @@ static int gfx_v9_0_sw_init(void *handle) { int i, r; struct amdgpu_ring *ring; + struct amdgpu_kiq *kiq; struct amdgpu_device *adev = (struct amdgpu_device *)handle; /* EOP Event */ @@ -972,6 +1041,19 @@ static int gfx_v9_0_sw_init(void *handle) return r; } + if (amdgpu_sriov_vf(adev)) { + r = gfx_v9_0_kiq_init(adev); + if (r) { + DRM_ERROR("Failed to init KIQ BOs!\n"); + return r; + } + + kiq = &adev->gfx.kiq; + r = gfx_v9_0_kiq_init_ring(adev, &kiq->ring, &kiq->irq); + if (r) + return r; + } + /* reserve GDS, GWS and OA resource for gfx */ r = amdgpu_bo_create_kernel(adev, adev->gds.mem.gfx_partition_size, PAGE_SIZE, AMDGPU_GEM_DOMAIN_GDS, @@ -1017,6 +1099,11 @@ static int gfx_v9_0_sw_fini(void *handle) for (i = 0; i < adev->gfx.num_compute_rings; i++) amdgpu_ring_fini(&adev->gfx.compute_ring[i]); + if (amdgpu_sriov_vf(adev)) { + gfx_v9_0_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq); + gfx_v9_0_kiq_fini(adev); + } + gfx_v9_0_mec_fini(adev); gfx_v9_0_ngg_fini(adev); @@ -1578,6 +1665,7 @@ static void gfx_v9_0_cp_compute_enable(struct amdgpu_device *adev, bool enable) (CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK)); for (i = 0; i < adev->gfx.num_compute_rings; i++) adev->gfx.compute_ring[i].ready = false; + adev->gfx.kiq.ring.ready = false; } udelay(50); } -- 2.20.1