From be697aa3a78ef83a6b8d49e1f0671a002e502cd0 Mon Sep 17 00:00:00 2001 From: Le Ma Date: Wed, 27 Jul 2022 14:35:49 +0800 Subject: drm/amdgpu: move queue_bitmap to an independent structure (v3) To allocate independent queue_bitmap for each XCD, then the old bitmap policy can be continued to use with a clear logic. Use mec_bitmap[0] as default for all non-GC 9.4.3 IPs. v2: squash commits to avoid breaking the build v3: unify naming style Signed-off-by: Le Ma Reviewed-by: Hawking Zhang Signed-off-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 0385f7f69278..fed8bb9a721f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -162,7 +162,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) * clear */ bitmap_complement(gpu_resources.cp_queue_bitmap, - adev->gfx.mec.queue_bitmap, + adev->gfx.mec_bitmap[0].queue_bitmap, KGD_MAX_QUEUES); /* According to linux/bitmap.h we shouldn't use bitmap_clear if -- cgit From 27fb73a0e3aa7478bcb5d2d59d65eec3c68fc165 Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Tue, 25 Apr 2023 14:19:05 -0400 Subject: drm/amdkfd: Update KFD TTM mem limit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use the helper function in TTM to get TTM memory limit and set KFD's internal mem limit. This ensures that KFD's TTM mem limit and actual TTM mem limit are exactly same. Signed-off-by: Mukul Joshi Reviewed-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index fed8bb9a721f..a46285841d17 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -53,7 +53,6 @@ int amdgpu_amdkfd_init(void) amdgpu_amdkfd_total_mem_size *= si.mem_unit; ret = kgd2kfd_init(); - amdgpu_amdkfd_gpuvm_init_mem_limits(); kfd_initialized = !ret; return ret; @@ -143,6 +142,8 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) int i; int last_valid_bit; + amdgpu_amdkfd_gpuvm_init_mem_limits(); + if (adev->kfd.dev) { struct kgd2kfd_shared_resources gpu_resources = { .compute_vmid_bitmap = -- cgit From f4caf5842652f08e024741ef6d423cb0c101d863 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Wed, 14 Sep 2022 16:35:50 +0800 Subject: drm/amdgpu: introduce vmhub definition for multi-partition cases (v3) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit v1: Each partition has its own gfxhub or mmhub. adjust the num of MAX_VMHUBS and the GFXHUB/MMHUB layout (Le) v2: re-design the AMDGPU_GFXHUB/AMDGPU_MMHUB layout (Le) v3: apply the gfxhub/mmhub layout to new IPs (Hawking) v4: fix up gmc11 (Alex) v5: rebase (Alex) Signed-off-by: Le Ma Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index a46285841d17..f0a136d35279 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -736,7 +736,7 @@ int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev, for (i = 0; i < adev->num_vmhubs; i++) amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0); } else { - amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0); + amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0), 0); } return 0; -- cgit From d9426c3d9b4e91dda4f1f1684f9296762fafe0de Mon Sep 17 00:00:00 2001 From: Le Ma Date: Mon, 20 Dec 2021 16:06:25 +0800 Subject: drm/amdgpu: add bitmask to iterate vmhubs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As the layout of VMHUB definition has been changed to cover multiple XCD/AID case, the original num_vmhubs is not appropriate to do vmhub iteration any more. Drop num_vmhubs and introduce vmhubs_mask instead. v2: switch to the new VMHUB layout v3: use DECLARE_BITMAP to define vmhubs_mask Signed-off-by: Le Ma Reviewed-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index f0a136d35279..5afbcc390d89 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -733,7 +733,7 @@ int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev, if (adev->family == AMDGPU_FAMILY_AI) { int i; - for (i = 0; i < adev->num_vmhubs; i++) + for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0); } else { amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0), 0); -- cgit From f87f686482c6d2d4465245356854710b01f312c1 Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Mon, 9 May 2022 22:22:20 -0400 Subject: drm/amdgpu: Add XCC inst to PASID TLB flushing Add XCC instance to select the correct KIQ ring when flushing TLBs on a multi-XCC setup. Signed-off-by: Mukul Joshi Tested-by: Amber Lin Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 5afbcc390d89..9d19c7ceda3f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -743,7 +743,9 @@ int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev, } int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct amdgpu_device *adev, - uint16_t pasid, enum TLB_FLUSH_TYPE flush_type) + uint16_t pasid, + enum TLB_FLUSH_TYPE flush_type, + uint32_t inst) { bool all_hub = false; @@ -751,7 +753,7 @@ int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct amdgpu_device *adev, adev->family == AMDGPU_FAMILY_RV) all_hub = true; - return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub); + return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub, inst); } bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev) -- cgit From 0c7315e7d5ef9b36ca4db32ffeb34a187cbaf231 Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Fri, 10 Jun 2022 09:41:29 -0400 Subject: drm/amdkfd: Add device repartition support GFX9.4.3 will support dynamic repartitioning of the GPU through sysfs. Add device repartitioning support in KFD to repartition GPU from one mode to other. v2: squash in fix ("drm/amdkfd: Fix warning kgd2kfd_unlock_kfd defined but not used") Signed-off-by: Mukul Joshi Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 9d19c7ceda3f..bbbfe9ec4adf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -773,3 +773,13 @@ bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev) else return false; } + +int amdgpu_amdkfd_check_and_lock_kfd(struct amdgpu_device *adev) +{ + return kgd2kfd_check_and_lock_kfd(); +} + +void amdgpu_amdkfd_unlock_kfd(struct amdgpu_device *adev) +{ + kgd2kfd_unlock_kfd(); +} -- cgit From 2fa9ff25de08e598af051c76b216d2f073b2ee89 Mon Sep 17 00:00:00 2001 From: Philip Yang Date: Thu, 9 Mar 2023 19:30:02 -0500 Subject: drm/amdgpu: KFD graphics interop support compute partition kfd_ioctl_get_dmabuf use the amdgpu bo xcp_id to get the gpu_id of the KFD node from the exported dmabuf_adev, and then create kfd bo on the correct adev and KFD node when importing the amdgpu bo to KFD. Remove function kfd_device_by_adev, it is not needed as it is the same result as dmabuf_adev->kfd.dev->nodes[0]->id. Signed-off-by: Philip Yang Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index bbbfe9ec4adf..00edb13d2124 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -498,7 +498,7 @@ int amdgpu_amdkfd_get_dmabuf_info(struct amdgpu_device *adev, int dma_buf_fd, struct amdgpu_device **dmabuf_adev, uint64_t *bo_size, void *metadata_buffer, size_t buffer_size, uint32_t *metadata_size, - uint32_t *flags) + uint32_t *flags, int8_t *xcp_id) { struct dma_buf *dma_buf; struct drm_gem_object *obj; @@ -542,6 +542,8 @@ int amdgpu_amdkfd_get_dmabuf_info(struct amdgpu_device *adev, int dma_buf_fd, if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) *flags |= KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC; } + if (xcp_id) + *xcp_id = bo->xcp_id; out_put: dma_buf_put(dma_buf); -- cgit From 315e29eca57f85107cc6f687c2d510aa532fb3f0 Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Mon, 20 Mar 2023 11:21:38 -0400 Subject: drm/amdkfd: Move local_mem_info to kfd_node We need to track memory usage on a per partition basis. To do that, store the local memory information in KFD node instead of kfd device. v2: squash in fix ("amdkfd: Use mem_id to access mem_partition info") Signed-off-by: Mukul Joshi Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 00edb13d2124..85df73f2c85e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -428,14 +428,23 @@ uint32_t amdgpu_amdkfd_get_fw_version(struct amdgpu_device *adev, } void amdgpu_amdkfd_get_local_mem_info(struct amdgpu_device *adev, - struct kfd_local_mem_info *mem_info) + struct kfd_local_mem_info *mem_info, + uint8_t xcp_id) { memset(mem_info, 0, sizeof(*mem_info)); - mem_info->local_mem_size_public = adev->gmc.visible_vram_size; - mem_info->local_mem_size_private = adev->gmc.real_vram_size - + if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3)) { + if (adev->gmc.real_vram_size == adev->gmc.visible_vram_size) + mem_info->local_mem_size_public = + KFD_XCP_MEMORY_SIZE(adev, xcp_id); + else + mem_info->local_mem_size_private = + KFD_XCP_MEMORY_SIZE(adev, xcp_id); + } else { + mem_info->local_mem_size_public = adev->gmc.visible_vram_size; + mem_info->local_mem_size_private = adev->gmc.real_vram_size - adev->gmc.visible_vram_size; - + } mem_info->vram_width = adev->gmc.vram_width; pr_debug("Address base: %pap public 0x%llx private 0x%llx\n", -- cgit From 9a3ce1a7a9e5372d8c275bf3fbef4456c8407145 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Fri, 12 May 2023 13:22:57 +0800 Subject: drm/amdgpu: Do not access members of xcp w/o check (v2) Not all the asic needs xcp. ensure check xcp availabity before accessing its member. v2: add missing change in kfd_topology.c Signed-off-by: Hawking Zhang Reviewed-by: Le Ma Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 85df73f2c85e..739eb7c0d133 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -429,17 +429,17 @@ uint32_t amdgpu_amdkfd_get_fw_version(struct amdgpu_device *adev, void amdgpu_amdkfd_get_local_mem_info(struct amdgpu_device *adev, struct kfd_local_mem_info *mem_info, - uint8_t xcp_id) + struct amdgpu_xcp *xcp) { memset(mem_info, 0, sizeof(*mem_info)); - if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3)) { + if (xcp) { if (adev->gmc.real_vram_size == adev->gmc.visible_vram_size) mem_info->local_mem_size_public = - KFD_XCP_MEMORY_SIZE(adev, xcp_id); + KFD_XCP_MEMORY_SIZE(adev, xcp->id); else mem_info->local_mem_size_private = - KFD_XCP_MEMORY_SIZE(adev, xcp_id); + KFD_XCP_MEMORY_SIZE(adev, xcp->id); } else { mem_info->local_mem_size_public = adev->gmc.visible_vram_size; mem_info->local_mem_size_private = adev->gmc.real_vram_size - -- cgit From 45b3a914d40e63d2c9e3a3e02fb2014be975b9b0 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 16 May 2023 17:16:30 -0400 Subject: drm/amdgpu/gmc9: fix 64 bit division in partition code Rework logic or use do_div() to avoid problems on 32 bit. v2: add a missing case for XCP macro v3: fix out of bounds array access v4: fix xcp handling harder Acked-by: Guchun Chen (v1) Reviewed-by: Mukul Joshi (v3) Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 739eb7c0d133..5de92c9ab18f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -794,3 +794,18 @@ void amdgpu_amdkfd_unlock_kfd(struct amdgpu_device *adev) { kgd2kfd_unlock_kfd(); } + + +u64 amdgpu_amdkfd_xcp_memory_size(struct amdgpu_device *adev, int xcp_id) +{ + u64 tmp; + s8 mem_id = KFD_XCP_MEM_ID(adev, xcp_id); + + if (adev->gmc.num_mem_partitions && xcp_id >= 0 && mem_id >= 0) { + tmp = adev->gmc.mem_partitions[mem_id].size; + do_div(tmp, adev->xcp_mgr->num_xcp_per_mem_partition); + return tmp; + } else { + return adev->gmc.real_vram_size; + } +} -- cgit From acf429dcac1440169a3b28da784cbda72f3b678b Mon Sep 17 00:00:00 2001 From: Philip Yang Date: Thu, 18 May 2023 15:08:16 -0400 Subject: drm/amdkfd: Align partition memory size to page size The compute partition memory size calculated from KFD_XCP_MEMORY_SIZE may not align to page size if xcp_mgr->num_xcp_per_mem_partition is 6. Change the KFD_XCP_MEMORY_SIZE macro to return page align size, so KFD node memory size reported in sysfs is page align size, to avoid application VRAM allocation failure because application may use the size directly and Thunk requires the memory allocation size is page size align. Signed-off-by: Philip Yang Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 5de92c9ab18f..66f80b9ab0c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -804,7 +804,7 @@ u64 amdgpu_amdkfd_xcp_memory_size(struct amdgpu_device *adev, int xcp_id) if (adev->gmc.num_mem_partitions && xcp_id >= 0 && mem_id >= 0) { tmp = adev->gmc.mem_partitions[mem_id].size; do_div(tmp, adev->xcp_mgr->num_xcp_per_mem_partition); - return tmp; + return ALIGN_DOWN(tmp, PAGE_SIZE); } else { return adev->gmc.real_vram_size; } -- cgit From 12fb1ad70d65edc3405884792d044fa79df7244f Mon Sep 17 00:00:00 2001 From: Jonathan Kim Date: Fri, 22 Apr 2022 12:26:18 -0400 Subject: drm/amdkfd: update process interrupt handling for debug events The debugger must be notified by any debugger subscribed exception that comes from hardware interrupts. If a debugger session exits, any exceptions it subscribed to may still have interrupts in the interrupt ring buffer or KGD/KFD pipeline. To prevent a new session from inheriting stale interrupts, when a new queue is created, open an interrupt drain and allow the IH ring to drain from a timestamped checkpoint. Then inject a custom IV so that once the custom IV is picked up by the KFD, it's safe to close the drain and proceed with queue creation. The drain must also be on debug disable as SW interrupts may still be processed. Drain at this time and clear all the exception status. The debugger may also not be attached nor subscibed to certain exceptions so forward them directly to the runtime. GFX10 also requires its own IV processing, hence the creation of kfd_int_process_v10.c. This is because the IV from SQ interrupts are packed into a new continguous format unlike GFX9. To make this clear, a separate interrupting handling code file was created. Signed-off-by: Jonathan Kim Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 66f80b9ab0c5..98cd52bb005f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -777,6 +777,22 @@ void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev, bo amdgpu_umc_poison_handler(adev, reset); } +int amdgpu_amdkfd_send_close_event_drain_irq(struct amdgpu_device *adev, + uint32_t *payload) +{ + int ret; + + /* Device or IH ring is not ready so bail. */ + ret = amdgpu_ih_wait_on_checkpoint_process_ts(adev, &adev->irq.ih); + if (ret) + return ret; + + /* Send payload to fence KFD interrupts */ + amdgpu_amdkfd_interrupt(adev, payload); + + return 0; +} + bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev) { if (adev->gfx.ras && adev->gfx.ras->query_utcl2_poison_status) -- cgit From a70a93fa568b4f05aba548dadb673703eccf5480 Mon Sep 17 00:00:00 2001 From: Jonathan Kim Date: Thu, 5 May 2022 16:15:37 -0400 Subject: drm/amdkfd: add debug suspend and resume process queues operation In order to inspect waves from the saved context at any point during a debug session, the debugger must be able to preempt queues to trigger context save by suspending them. On queue suspend, the KFD will copy the context save header information so that the debugger can correctly crawl the appropriate size of the saved context. The debugger must then also be allowed to resume suspended queues. A queue that is newly created cannot be suspended because queue ids are recycled after destruction so the debugger needs to know that this has occurred. Query functions will be later added that will clear a given queue of its new queue status. A queue cannot be destroyed while it is suspended to preserve its saved context during debugger inspection. Have queue destruction block while a queue is suspended and unblocked when it is resumed. Likewise, if a queue is about to be destroyed, it cannot be suspended. Return the number of queues successfully suspended or resumed along with a per queue status array where the upper bits per queue status show that the request was invalid (new/destroyed queue suspend request, missing queue) or an error occurred (HWS in a fatal state so it can't suspend or resume queues). Signed-off-by: Jonathan Kim Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 98cd52bb005f..b4fcad0e62f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -772,6 +772,11 @@ bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev) return adev->have_atomics_support; } +void amdgpu_amdkfd_debug_mem_fence(struct amdgpu_device *adev) +{ + amdgpu_device_flush_hdp(adev, NULL); +} + void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev, bool reset) { amdgpu_umc_poison_handler(adev, reset); -- cgit