From 1f86f4125e167aeb343a5b8136996c0569009c6a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Tue, 18 Mar 2025 16:15:12 +0100 Subject: [PATCH] drm/amdgpu: stop unmapping MQD for kernel queues v3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This looks unnecessary and actually extremely harmful since using kmap() is not possible while inside the ring reset. Remove all the extra mapping and unmapping of the MQDs. v2: also fix debugfs v3: fix coding style typo Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 58 ++----------- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 88 +++---------------- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 88 +++---------------- drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 102 ++++------------------- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 45 ++-------- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 57 ++----------- drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 61 +++----------- 7 files changed, 67 insertions(+), 432 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index d55c8b7fdb59..59acdbfe28d8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -608,59 +608,17 @@ static ssize_t amdgpu_debugfs_mqd_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { struct amdgpu_ring *ring = file_inode(f)->i_private; - volatile u32 *mqd; - u32 *kbuf; - int r, i; - uint32_t value, result; + ssize_t bytes = min_t(ssize_t, ring->mqd_size - *pos, size); + void *from = ((u8 *)ring->mqd_ptr) + *pos; - if (*pos & 3 || size & 3) - return -EINVAL; - - kbuf = kmalloc(ring->mqd_size, GFP_KERNEL); - if (!kbuf) - return -ENOMEM; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto err_free; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&mqd); - if (r) - goto err_unreserve; - - /* - * Copy to local buffer to avoid put_user(), which might fault - * and acquire mmap_sem, under reservation_ww_class_mutex. - */ - for (i = 0; i < ring->mqd_size/sizeof(u32); i++) - kbuf[i] = mqd[i]; + if (*pos > ring->mqd_size) + return 0; - amdgpu_bo_kunmap(ring->mqd_obj); - amdgpu_bo_unreserve(ring->mqd_obj); + if (copy_to_user(buf, from, bytes)) + return -EFAULT; - result = 0; - while (size) { - if (*pos >= ring->mqd_size) - break; - - value = kbuf[*pos/4]; - r = put_user(value, (uint32_t *)buf); - if (r) - goto err_free; - buf += 4; - result += 4; - size -= 4; - *pos += 4; - } - - kfree(kbuf); - return result; - -err_unreserve: - amdgpu_bo_unreserve(ring->mqd_obj); -err_free: - kfree(kbuf); - return r; + *pos += bytes; + return bytes; } static const struct file_operations amdgpu_debugfs_mqd_fops = { diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 6d514efb0a6d..a63ce747863f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6851,22 +6851,9 @@ static int gfx_v10_0_kgq_init_queue(struct amdgpu_ring *ring, bool reset) static int gfx_v10_0_cp_async_gfx_ring_resume(struct amdgpu_device *adev) { int r, i; - struct amdgpu_ring *ring; for (i = 0; i < adev->gfx.num_gfx_rings; i++) { - ring = &adev->gfx.gfx_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v10_0_kgq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v10_0_kgq_init_queue(&adev->gfx.gfx_ring[i], false); if (r) return r; } @@ -7173,55 +7160,24 @@ static int gfx_v10_0_kcq_init_queue(struct amdgpu_ring *ring, bool restore) static int gfx_v10_0_kiq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring; - int r; - - ring = &adev->gfx.kiq[0].ring; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } - - gfx_v10_0_kiq_init_queue(ring); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); + gfx_v10_0_kiq_init_queue(&adev->gfx.kiq[0].ring); return 0; } static int gfx_v10_0_kcq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = NULL; - int r = 0, i; + int i, r; gfx_v10_0_cp_compute_enable(adev, true); for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v10_0_kcq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v10_0_kcq_init_queue(&adev->gfx.compute_ring[i], + false); if (r) - goto done; + return r; } - r = amdgpu_gfx_enable_kcq(adev, 0); -done: - return r; + return amdgpu_gfx_enable_kcq(adev, 0); } static int gfx_v10_0_cp_resume(struct amdgpu_device *adev) @@ -9579,20 +9535,9 @@ static int gfx_v10_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) if (r) return r; - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) { - DRM_ERROR("fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v10_0_kgq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v10_0_kgq_init_queue(ring, true); if (r) { - DRM_ERROR("fail to unresv mqd_obj\n"); + DRM_ERROR("fail to init kgq\n"); return r; } @@ -9649,20 +9594,9 @@ static int gfx_v10_0_reset_kcq(struct amdgpu_ring *ring, return r; } - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) { - dev_err(adev->dev, "fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v10_0_kcq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v10_0_kcq_init_queue(ring, true); if (r) { - dev_err(adev->dev, "fail to unresv mqd_obj\n"); + dev_err(adev->dev, "fail to init kcq\n"); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index d8772cd6db63..f66ca639f391 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -4115,22 +4115,9 @@ static int gfx_v11_0_kgq_init_queue(struct amdgpu_ring *ring, bool reset) static int gfx_v11_0_cp_async_gfx_ring_resume(struct amdgpu_device *adev) { int r, i; - struct amdgpu_ring *ring; for (i = 0; i < adev->gfx.num_gfx_rings; i++) { - ring = &adev->gfx.gfx_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v11_0_kgq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v11_0_kgq_init_queue(&adev->gfx.gfx_ring[i], false); if (r) return r; } @@ -4452,57 +4439,24 @@ static int gfx_v11_0_kcq_init_queue(struct amdgpu_ring *ring, bool reset) static int gfx_v11_0_kiq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring; - int r; - - ring = &adev->gfx.kiq[0].ring; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } - - gfx_v11_0_kiq_init_queue(ring); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); - ring->sched.ready = true; + gfx_v11_0_kiq_init_queue(&adev->gfx.kiq[0].ring); return 0; } static int gfx_v11_0_kcq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = NULL; - int r = 0, i; + int i, r; if (!amdgpu_async_gfx_ring) gfx_v11_0_cp_compute_enable(adev, true); for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v11_0_kcq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v11_0_kcq_init_queue(&adev->gfx.compute_ring[i], false); if (r) - goto done; + return r; } - r = amdgpu_gfx_enable_kcq(adev, 0); -done: - return r; + return amdgpu_gfx_enable_kcq(adev, 0); } static int gfx_v11_0_cp_resume(struct amdgpu_device *adev) @@ -6667,20 +6621,9 @@ static int gfx_v11_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) if (r) return r; - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) { - dev_err(adev->dev, "fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v11_0_kgq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v11_0_kgq_init_queue(ring, true); if (r) { - dev_err(adev->dev, "fail to unresv mqd_obj\n"); + dev_err(adev->dev, "failed to init kgq\n"); return r; } @@ -6707,20 +6650,9 @@ static int gfx_v11_0_reset_kcq(struct amdgpu_ring *ring, unsigned int vmid) return r; } - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) { - dev_err(adev->dev, "fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v11_0_kcq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v11_0_kcq_init_queue(ring, true); if (r) { - dev_err(adev->dev, "fail to unresv mqd_obj\n"); + dev_err(adev->dev, "fail to init kcq\n"); return r; } r = amdgpu_mes_map_legacy_queue(adev, ring); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index dceb5ad38862..b6889e32dd8f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -3001,37 +3001,19 @@ static int gfx_v12_0_kgq_init_queue(struct amdgpu_ring *ring, bool reset) static int gfx_v12_0_cp_async_gfx_ring_resume(struct amdgpu_device *adev) { - int r, i; - struct amdgpu_ring *ring; + int i, r; for (i = 0; i < adev->gfx.num_gfx_rings; i++) { - ring = &adev->gfx.gfx_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v12_0_kgq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v12_0_kgq_init_queue(&adev->gfx.gfx_ring[i], false); if (r) - goto done; + return r; } r = amdgpu_gfx_enable_kgq(adev, 0); if (r) - goto done; - - r = gfx_v12_0_cp_gfx_start(adev); - if (r) - goto done; + return r; -done: - return r; + return gfx_v12_0_cp_gfx_start(adev); } static int gfx_v12_0_compute_mqd_init(struct amdgpu_device *adev, void *m, @@ -3344,57 +3326,25 @@ static int gfx_v12_0_kcq_init_queue(struct amdgpu_ring *ring, bool reset) static int gfx_v12_0_kiq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring; - int r; - - ring = &adev->gfx.kiq[0].ring; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } - - gfx_v12_0_kiq_init_queue(ring); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); - ring->sched.ready = true; + gfx_v12_0_kiq_init_queue(&adev->gfx.kiq[0].ring); + adev->gfx.kiq[0].ring.sched.ready = true; return 0; } static int gfx_v12_0_kcq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = NULL; - int r = 0, i; + int i, r; if (!amdgpu_async_gfx_ring) gfx_v12_0_cp_compute_enable(adev, true); for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v12_0_kcq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v12_0_kcq_init_queue(&adev->gfx.compute_ring[i], false); if (r) - goto done; + return r; } - r = amdgpu_gfx_enable_kcq(adev, 0); -done: - return r; + return amdgpu_gfx_enable_kcq(adev, 0); } static int gfx_v12_0_cp_resume(struct amdgpu_device *adev) @@ -5224,20 +5174,9 @@ static int gfx_v12_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) return r; } - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) { - dev_err(adev->dev, "fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v12_0_kgq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v12_0_kgq_init_queue(ring, true); if (r) { - DRM_ERROR("fail to unresv mqd_obj\n"); + dev_err(adev->dev, "failed to init kgq\n"); return r; } @@ -5264,20 +5203,9 @@ static int gfx_v12_0_reset_kcq(struct amdgpu_ring *ring, unsigned int vmid) return r; } - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) { - DRM_ERROR("fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v12_0_kcq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v12_0_kcq_init_queue(ring, true); if (r) { - DRM_ERROR("fail to unresv mqd_obj\n"); + dev_err(adev->dev, "failed to init kcq\n"); return r; } r = amdgpu_mes_map_legacy_queue(adev, ring); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index d116a2e2f469..bfedd487efc5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4683,60 +4683,25 @@ static void gfx_v8_0_set_mec_doorbell_range(struct amdgpu_device *adev) static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring; - int r; - - ring = &adev->gfx.kiq[0].ring; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr); - if (unlikely(r != 0)) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } - - gfx_v8_0_kiq_init_queue(ring); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); + gfx_v8_0_kiq_init_queue(&adev->gfx.kiq[0].ring); return 0; } static int gfx_v8_0_kcq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = NULL; - int r = 0, i; + int i, r; gfx_v8_0_cp_compute_enable(adev, true); for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - r = amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr); - if (!r) { - r = gfx_v8_0_kcq_init_queue(ring); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v8_0_kcq_init_queue(&adev->gfx.compute_ring[i]); if (r) - goto done; + return r; } gfx_v8_0_set_mec_doorbell_range(adev); - r = gfx_v8_0_kiq_kcq_enable(adev); - if (r) - goto done; - -done: - return r; + return gfx_v8_0_kiq_kcq_enable(adev); } static int gfx_v8_0_cp_test_all_rings(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index d345285ea885..1080e9198ad9 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3890,55 +3890,23 @@ static int gfx_v9_0_kcq_init_queue(struct amdgpu_ring *ring, bool restore) static int gfx_v9_0_kiq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring; - int r; - - ring = &adev->gfx.kiq[0].ring; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } - - gfx_v9_0_kiq_init_queue(ring); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); + gfx_v9_0_kiq_init_queue(&adev->gfx.kiq[0].ring); return 0; } static int gfx_v9_0_kcq_resume(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = NULL; - int r = 0, i; + int i, r; gfx_v9_0_cp_compute_enable(adev, true); for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v9_0_kcq_init_queue(ring, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v9_0_kcq_init_queue(&adev->gfx.compute_ring[i], false); if (r) - goto done; + return r; } - r = amdgpu_gfx_enable_kcq(adev, 0); -done: - return r; + return amdgpu_gfx_enable_kcq(adev, 0); } static int gfx_v9_0_cp_resume(struct amdgpu_device *adev) @@ -7319,20 +7287,9 @@ static int gfx_v9_0_reset_kcq(struct amdgpu_ring *ring, return r; } - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)){ - dev_err(adev->dev, "fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v9_0_kcq_init_queue(ring, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v9_0_kcq_init_queue(ring, true); if (r) { - dev_err(adev->dev, "fail to unresv mqd_obj\n"); + dev_err(adev->dev, "fail to init kcq\n"); return r; } spin_lock_irqsave(&kiq->ring_lock, flags); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index 780563a97d20..53fbf6ca7cdb 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -2167,55 +2167,27 @@ static int gfx_v9_4_3_xcc_kcq_fini_register(struct amdgpu_device *adev, int xcc_ static int gfx_v9_4_3_xcc_kiq_resume(struct amdgpu_device *adev, int xcc_id) { - struct amdgpu_ring *ring; - int r; - - ring = &adev->gfx.kiq[xcc_id].ring; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - return r; - - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (unlikely(r != 0)) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } - - gfx_v9_4_3_xcc_kiq_init_queue(ring, xcc_id); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); + gfx_v9_4_3_xcc_kiq_init_queue(&adev->gfx.kiq[xcc_id].ring, xcc_id); return 0; } static int gfx_v9_4_3_xcc_kcq_resume(struct amdgpu_device *adev, int xcc_id) { - struct amdgpu_ring *ring = NULL; - int r = 0, i; + struct amdgpu_ring *ring; + int i, r; gfx_v9_4_3_xcc_cp_compute_enable(adev, true, xcc_id); for (i = 0; i < adev->gfx.num_compute_rings; i++) { - ring = &adev->gfx.compute_ring[i + xcc_id * adev->gfx.num_compute_rings]; - - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)) - goto done; - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v9_4_3_xcc_kcq_init_queue(ring, xcc_id, false); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + ring = &adev->gfx.compute_ring[i + xcc_id * + adev->gfx.num_compute_rings]; + + r = gfx_v9_4_3_xcc_kcq_init_queue(ring, xcc_id, false); if (r) - goto done; + return r; } - r = amdgpu_gfx_enable_kcq(adev, xcc_id); -done: - return r; + return amdgpu_gfx_enable_kcq(adev, xcc_id); } static int gfx_v9_4_3_xcc_cp_resume(struct amdgpu_device *adev, int xcc_id) @@ -3587,20 +3559,9 @@ static int gfx_v9_4_3_reset_kcq(struct amdgpu_ring *ring, return r; } - r = amdgpu_bo_reserve(ring->mqd_obj, false); - if (unlikely(r != 0)){ - dev_err(adev->dev, "fail to resv mqd_obj\n"); - return r; - } - r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr); - if (!r) { - r = gfx_v9_4_3_xcc_kcq_init_queue(ring, ring->xcc_id, true); - amdgpu_bo_kunmap(ring->mqd_obj); - ring->mqd_ptr = NULL; - } - amdgpu_bo_unreserve(ring->mqd_obj); + r = gfx_v9_4_3_xcc_kcq_init_queue(ring, ring->xcc_id, true); if (r) { - dev_err(adev->dev, "fail to unresv mqd_obj\n"); + dev_err(adev->dev, "fail to init kcq\n"); return r; } spin_lock_irqsave(&kiq->ring_lock, flags);