From 4671078eb8e390bd44c458e2f482fbb61f5bc612 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 21 Sep 2020 15:55:39 +0200 Subject: drm/amdgpu: switch over to the new pin interface MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Stop using TTM_PL_FLAG_NO_EVICT. Signed-off-by: Christian König Tested-by: Nirmoy Das Reviewed-by: Dave Airlie Reviewed-by: Huang Rui Link: https://patchwork.freedesktop.org/patch/391617/?series=81973&rev=1 --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 5ddb6cf96030..e91750e43448 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -89,7 +89,6 @@ struct amdgpu_bo { struct ttm_buffer_object tbo; struct ttm_bo_kmap_obj kmap; u64 flags; - unsigned pin_count; u64 tiling_flags; u64 metadata_flags; void *metadata; @@ -267,7 +266,7 @@ void amdgpu_bo_unref(struct amdgpu_bo **bo); int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain); int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, u64 min_offset, u64 max_offset); -int amdgpu_bo_unpin(struct amdgpu_bo *bo); +void amdgpu_bo_unpin(struct amdgpu_bo *bo); int amdgpu_bo_evict_vram(struct amdgpu_device *adev); int amdgpu_bo_init(struct amdgpu_device *adev); int amdgpu_bo_late_init(struct amdgpu_device *adev); -- cgit v1.2.3 From d3ef581afa5e6a65cc3a40de2e62901f17b8cebc Mon Sep 17 00:00:00 2001 From: Christian König Date: Fri, 25 Sep 2020 15:21:49 +0200 Subject: drm/amdgpu: stop using TTMs fault callback MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement the fault handler ourself using the provided TTM functions. Signed-off-by: Christian König Reviewed-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/392324/ --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 20 +++++++-------- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 40 +++++++++++++++++++++++++++--- 3 files changed, 46 insertions(+), 16 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 63e9c5793c30..80bc7177cd45 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1341,19 +1341,14 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo) * Returns: * 0 for success or a negative error code on failure. */ -int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo) +vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); struct ttm_operation_ctx ctx = { false, false }; - struct amdgpu_bo *abo; + struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo); unsigned long offset, size; int r; - if (!amdgpu_bo_is_amdgpu_bo(bo)) - return 0; - - abo = ttm_to_amdgpu_bo(bo); - /* Remember that this BO was accessed by the CPU */ abo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; @@ -1367,7 +1362,7 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo) /* Can't move a pinned BO to visible VRAM */ if (abo->tbo.pin_count > 0) - return -EINVAL; + return VM_FAULT_SIGBUS; /* hurrah the memory is not visible ! */ atomic64_inc(&adev->num_vram_cpu_page_faults); @@ -1379,15 +1374,18 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo) abo->placement.busy_placement = &abo->placements[1]; r = ttm_bo_validate(bo, &abo->placement, &ctx); - if (unlikely(r != 0)) - return r; + if (unlikely(r == -EBUSY || r == -ERESTARTSYS)) + return VM_FAULT_NOPAGE; + else if (unlikely(r)) + return VM_FAULT_SIGBUS; offset = bo->mem.start << PAGE_SHIFT; /* this should never happen */ if (bo->mem.mem_type == TTM_PL_VRAM && (offset + size) > adev->gmc.visible_vram_size) - return -EINVAL; + return VM_FAULT_SIGBUS; + ttm_bo_move_to_lru_tail_unlocked(bo); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index e91750e43448..132e5f955180 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -284,7 +284,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict, struct ttm_resource *new_mem); void amdgpu_bo_release_notify(struct ttm_buffer_object *bo); -int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo); +vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo); void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence, bool shared); int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index d3bd2fd448be..399961035ae6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1708,7 +1708,6 @@ static struct ttm_bo_driver amdgpu_bo_driver = { .verify_access = &amdgpu_verify_access, .move_notify = &amdgpu_bo_move_notify, .release_notify = &amdgpu_bo_release_notify, - .fault_reserve_notify = &amdgpu_bo_fault_reserve_notify, .io_mem_reserve = &amdgpu_ttm_io_mem_reserve, .io_mem_pfn = amdgpu_ttm_io_mem_pfn, .access_memory = &amdgpu_ttm_access_memory, @@ -2088,15 +2087,48 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) adev->mman.buffer_funcs_enabled = enable; } +static vm_fault_t amdgpu_ttm_fault(struct vm_fault *vmf) +{ + struct ttm_buffer_object *bo = vmf->vma->vm_private_data; + vm_fault_t ret; + + ret = ttm_bo_vm_reserve(bo, vmf); + if (ret) + return ret; + + ret = amdgpu_bo_fault_reserve_notify(bo); + if (ret) + goto unlock; + + ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot, + TTM_BO_VM_NUM_PREFAULT, 1); + if (ret == VM_FAULT_RETRY && !(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) + return ret; + +unlock: + dma_resv_unlock(bo->base.resv); + return ret; +} + +static struct vm_operations_struct amdgpu_ttm_vm_ops = { + .fault = amdgpu_ttm_fault, + .open = ttm_bo_vm_open, + .close = ttm_bo_vm_close, + .access = ttm_bo_vm_access +}; + int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma) { struct drm_file *file_priv = filp->private_data; struct amdgpu_device *adev = drm_to_adev(file_priv->minor->dev); + int r; - if (adev == NULL) - return -EINVAL; + r = ttm_bo_mmap(filp, vma, &adev->mman.bdev); + if (unlikely(r != 0)) + return r; - return ttm_bo_mmap(filp, vma, &adev->mman.bdev); + vma->vm_ops = &amdgpu_ttm_vm_ops; + return 0; } int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, -- cgit v1.2.3 From ff72bc40317079b775a7a6d2ba94297b04b795e4 Mon Sep 17 00:00:00 2001 From: Mihir Bhogilal Patel Date: Thu, 8 Oct 2020 15:46:38 +0530 Subject: drm/amdgpu: Add debugfs entry for printing VM info MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Create new debugfs entry to print memory info using VM buffer objects. V2: Added Common function for printing BO info. Dump more VM lists for evicted, moved, relocated, invalidated. Removed dumping VM mapped BOs. V3: Fixed coding style comments, renamed print API and variables. V4: Fixed coding style comments. Signed-off-by: Mihir Bhogilal Patel Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 30 +++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 69 +++--------------------- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 74 +++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 83 +++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 4 ++ 6 files changed, 199 insertions(+), 62 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 2d125b8b15ee..8ec4806c2ff4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -1335,11 +1335,41 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data) return 0; } +static int amdgpu_debugfs_vm_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *)m->private; + struct drm_device *dev = node->minor->dev; + struct drm_file *file; + int r; + + r = mutex_lock_interruptible(&dev->filelist_mutex); + if (r) + return r; + + list_for_each_entry(file, &dev->filelist, lhead) { + struct amdgpu_fpriv *fpriv = file->driver_priv; + struct amdgpu_vm *vm = &fpriv->vm; + + seq_printf(m, "pid:%d\tProcess:%s ----------\n", + vm->task_info.pid, vm->task_info.process_name); + r = amdgpu_bo_reserve(vm->root.base.bo, true); + if (r) + break; + amdgpu_debugfs_vm_bo_info(vm, m); + amdgpu_bo_unreserve(vm->root.base.bo); + } + + mutex_unlock(&dev->filelist_mutex); + + return r; +} + static const struct drm_info_list amdgpu_debugfs_list[] = { {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump}, {"amdgpu_test_ib", &amdgpu_debugfs_test_ib}, {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram}, {"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt}, + {"amdgpu_vm_info", &amdgpu_debugfs_vm_info}, }; static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index aa7f230c71bf..5047989fe941 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -826,67 +826,6 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, } #if defined(CONFIG_DEBUG_FS) - -#define amdgpu_debugfs_gem_bo_print_flag(m, bo, flag) \ - if (bo->flags & (AMDGPU_GEM_CREATE_ ## flag)) { \ - seq_printf((m), " " #flag); \ - } - -static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data) -{ - struct drm_gem_object *gobj = ptr; - struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj); - struct seq_file *m = data; - - struct dma_buf_attachment *attachment; - struct dma_buf *dma_buf; - unsigned domain; - const char *placement; - unsigned pin_count; - - domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); - switch (domain) { - case AMDGPU_GEM_DOMAIN_VRAM: - placement = "VRAM"; - break; - case AMDGPU_GEM_DOMAIN_GTT: - placement = " GTT"; - break; - case AMDGPU_GEM_DOMAIN_CPU: - default: - placement = " CPU"; - break; - } - seq_printf(m, "\t0x%08x: %12ld byte %s", - id, amdgpu_bo_size(bo), placement); - - pin_count = READ_ONCE(bo->pin_count); - if (pin_count) - seq_printf(m, " pin count %d", pin_count); - - dma_buf = READ_ONCE(bo->tbo.base.dma_buf); - attachment = READ_ONCE(bo->tbo.base.import_attach); - - if (attachment) - seq_printf(m, " imported from %p%s", dma_buf, - attachment->peer2peer ? " P2P" : ""); - else if (dma_buf) - seq_printf(m, " exported as %p", dma_buf); - - amdgpu_debugfs_gem_bo_print_flag(m, bo, CPU_ACCESS_REQUIRED); - amdgpu_debugfs_gem_bo_print_flag(m, bo, NO_CPU_ACCESS); - amdgpu_debugfs_gem_bo_print_flag(m, bo, CPU_GTT_USWC); - amdgpu_debugfs_gem_bo_print_flag(m, bo, VRAM_CLEARED); - amdgpu_debugfs_gem_bo_print_flag(m, bo, SHADOW); - amdgpu_debugfs_gem_bo_print_flag(m, bo, VRAM_CONTIGUOUS); - amdgpu_debugfs_gem_bo_print_flag(m, bo, VM_ALWAYS_VALID); - amdgpu_debugfs_gem_bo_print_flag(m, bo, EXPLICIT_SYNC); - - seq_printf(m, "\n"); - - return 0; -} - static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *)m->private; @@ -900,6 +839,8 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data) list_for_each_entry(file, &dev->filelist, lhead) { struct task_struct *task; + struct drm_gem_object *gobj; + int id; /* * Although we have a valid reference on file->pid, that does @@ -914,7 +855,11 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data) rcu_read_unlock(); spin_lock(&file->table_lock); - idr_for_each(&file->object_idr, amdgpu_debugfs_gem_bo_info, m); + idr_for_each_entry(&file->object_idr, gobj, id) { + struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj); + + amdgpu_bo_print_info(id, bo, m); + } spin_unlock(&file->table_lock); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 07e81aca9c34..b191701098f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1528,3 +1528,77 @@ uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev, } return domain; } + +#if defined(CONFIG_DEBUG_FS) +#define amdgpu_bo_print_flag(m, bo, flag) \ + do { \ + if (bo->flags & (AMDGPU_GEM_CREATE_ ## flag)) { \ + seq_printf((m), " " #flag); \ + } \ + } while (0) + +/** + * amdgpu_debugfs_print_bo_info - print BO info in debugfs file + * + * @id: Index or Id of the BO + * @bo: Requested BO for printing info + * @m: debugfs file + * + * Print BO information in debugfs file + * + * Returns: + * Size of the BO in bytes. + */ +u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m) +{ + struct dma_buf_attachment *attachment; + struct dma_buf *dma_buf; + unsigned int domain; + const char *placement; + unsigned int pin_count; + u64 size; + + domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); + switch (domain) { + case AMDGPU_GEM_DOMAIN_VRAM: + placement = "VRAM"; + break; + case AMDGPU_GEM_DOMAIN_GTT: + placement = " GTT"; + break; + case AMDGPU_GEM_DOMAIN_CPU: + default: + placement = " CPU"; + break; + } + + size = amdgpu_bo_size(bo); + seq_printf(m, "\t\t0x%08x: %12lld byte %s", + id, size, placement); + + pin_count = READ_ONCE(bo->pin_count); + if (pin_count) + seq_printf(m, " pin count %d", pin_count); + + dma_buf = READ_ONCE(bo->tbo.base.dma_buf); + attachment = READ_ONCE(bo->tbo.base.import_attach); + + if (attachment) + seq_printf(m, " imported from %p", dma_buf); + else if (dma_buf) + seq_printf(m, " exported as %p", dma_buf); + + amdgpu_bo_print_flag(m, bo, CPU_ACCESS_REQUIRED); + amdgpu_bo_print_flag(m, bo, NO_CPU_ACCESS); + amdgpu_bo_print_flag(m, bo, CPU_GTT_USWC); + amdgpu_bo_print_flag(m, bo, VRAM_CLEARED); + amdgpu_bo_print_flag(m, bo, SHADOW); + amdgpu_bo_print_flag(m, bo, VRAM_CONTIGUOUS); + amdgpu_bo_print_flag(m, bo, VM_ALWAYS_VALID); + amdgpu_bo_print_flag(m, bo, EXPLICIT_SYNC); + + seq_puts(m, "\n"); + + return size; +} +#endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 5ddb6cf96030..621c0bfee6e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -330,6 +330,7 @@ void amdgpu_sa_bo_free(struct amdgpu_device *adev, #if defined(CONFIG_DEBUG_FS) void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager, struct seq_file *m); +u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m); #endif int amdgpu_debugfs_sa_init(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 2b65e83c808b..461fcde19c8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -3392,3 +3392,86 @@ error_unref: return false; } + +#if defined(CONFIG_DEBUG_FS) +/** + * amdgpu_debugfs_vm_bo_info - print BO info for the VM + * + * @vm: Requested VM for printing BO info + * @m: debugfs file + * + * Print BO information in debugfs file for the VM + */ +void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, struct seq_file *m) +{ + struct amdgpu_bo_va *bo_va, *tmp; + u64 total_idle = 0; + u64 total_evicted = 0; + u64 total_relocated = 0; + u64 total_moved = 0; + u64 total_invalidated = 0; + unsigned int total_idle_objs = 0; + unsigned int total_evicted_objs = 0; + unsigned int total_relocated_objs = 0; + unsigned int total_moved_objs = 0; + unsigned int total_invalidated_objs = 0; + unsigned int id = 0; + + seq_puts(m, "\tIdle BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->idle, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_idle += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_idle_objs = id; + id = 0; + + seq_puts(m, "\tEvicted BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->evicted, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_evicted += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_evicted_objs = id; + id = 0; + + seq_puts(m, "\tRelocated BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->relocated, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_relocated += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_relocated_objs = id; + id = 0; + + seq_puts(m, "\tMoved BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->moved, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_moved += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_moved_objs = id; + id = 0; + + seq_puts(m, "\tInvalidated BOs:\n"); + spin_lock(&vm->invalidated_lock); + list_for_each_entry_safe(bo_va, tmp, &vm->invalidated, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_invalidated += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + spin_unlock(&vm->invalidated_lock); + total_invalidated_objs = id; + + seq_printf(m, "\tTotal idle size: %12lld\tobjs:\t%d\n", total_idle, + total_idle_objs); + seq_printf(m, "\tTotal evicted size: %12lld\tobjs:\t%d\n", total_evicted, + total_evicted_objs); + seq_printf(m, "\tTotal relocated size: %12lld\tobjs:\t%d\n", total_relocated, + total_relocated_objs); + seq_printf(m, "\tTotal moved size: %12lld\tobjs:\t%d\n", total_moved, + total_moved_objs); + seq_printf(m, "\tTotal invalidated size: %12lld\tobjs:\t%d\n", total_invalidated, + total_invalidated_objs); +} +#endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 7c46937c1c0e..74cc14179c41 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -441,4 +441,8 @@ void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev, struct amdgpu_vm *vm); void amdgpu_vm_del_from_lru_notify(struct ttm_buffer_object *bo); +#if defined(CONFIG_DEBUG_FS) +void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, struct seq_file *m); +#endif + #endif -- cgit v1.2.3 From 49a3f51dfeeecb52c5aa28c5cb9592fe5e39bf95 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Tue, 3 Nov 2020 10:30:11 +0100 Subject: drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch replaces the vmap/vunmap's use of raw pointers in GEM object functions with instances of struct dma_buf_map. GEM backends are converted as well. For most of them, this simply changes the returned type. TTM-based drivers now return information about the location of the memory, either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap() et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of implementing their own vmap callbacks. v7: * init QXL cursor to mapped BO buffer (kernel test robot) v5: * update vkms after switch to shmem v4: * use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian) * fix a trailing { in drm_gem_vmap() * remove several empty functions instead of converting them (Daniel) * comment uses of raw pointers with a TODO (Daniel) * TODO list: convert more helpers to use struct dma_buf_map Signed-off-by: Thomas Zimmermann Acked-by: Christian König Tested-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de --- Documentation/gpu/todo.rst | 18 +++++ drivers/gpu/drm/Kconfig | 2 + drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 36 ---------- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h | 2 - drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 - drivers/gpu/drm/ast/ast_cursor.c | 27 ++++--- drivers/gpu/drm/ast/ast_drv.h | 7 +- drivers/gpu/drm/drm_gem.c | 23 +++--- drivers/gpu/drm/drm_gem_cma_helper.c | 10 ++- drivers/gpu/drm/drm_gem_shmem_helper.c | 48 ++++++++----- drivers/gpu/drm/drm_gem_vram_helper.c | 107 ++++++++++++++-------------- drivers/gpu/drm/etnaviv/etnaviv_drv.h | 2 +- drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 11 ++- drivers/gpu/drm/lima/lima_gem.c | 6 +- drivers/gpu/drm/lima/lima_sched.c | 11 +-- drivers/gpu/drm/mgag200/mgag200_mode.c | 10 ++- drivers/gpu/drm/nouveau/Kconfig | 1 + drivers/gpu/drm/nouveau/nouveau_bo.h | 2 - drivers/gpu/drm/nouveau/nouveau_gem.c | 6 +- drivers/gpu/drm/nouveau/nouveau_gem.h | 2 - drivers/gpu/drm/nouveau/nouveau_prime.c | 20 ------ drivers/gpu/drm/panfrost/panfrost_perfcnt.c | 14 ++-- drivers/gpu/drm/qxl/qxl_display.c | 15 +++- drivers/gpu/drm/qxl/qxl_draw.c | 14 ++-- drivers/gpu/drm/qxl/qxl_drv.h | 11 +-- drivers/gpu/drm/qxl/qxl_object.c | 31 ++++---- drivers/gpu/drm/qxl/qxl_object.h | 2 +- drivers/gpu/drm/qxl/qxl_prime.c | 12 ++-- drivers/gpu/drm/radeon/radeon.h | 1 - drivers/gpu/drm/radeon/radeon_gem.c | 7 +- drivers/gpu/drm/radeon/radeon_prime.c | 20 ------ drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 22 +++--- drivers/gpu/drm/rockchip/rockchip_drm_gem.h | 4 +- drivers/gpu/drm/tiny/cirrus.c | 10 +-- drivers/gpu/drm/tiny/gm12u320.c | 10 +-- drivers/gpu/drm/udl/udl_modeset.c | 8 ++- drivers/gpu/drm/vboxvideo/vbox_mode.c | 11 ++- drivers/gpu/drm/vc4/vc4_bo.c | 6 +- drivers/gpu/drm/vc4/vc4_drv.h | 2 +- drivers/gpu/drm/vgem/vgem_drv.c | 16 +++-- drivers/gpu/drm/vkms/vkms_plane.c | 15 ++-- drivers/gpu/drm/vkms/vkms_writeback.c | 22 +++--- drivers/gpu/drm/xen/xen_drm_front_gem.c | 18 +++-- drivers/gpu/drm/xen/xen_drm_front_gem.h | 6 +- include/drm/drm_gem.h | 5 +- include/drm/drm_gem_cma_helper.h | 2 +- include/drm/drm_gem_shmem_helper.h | 4 +- include/drm/drm_gem_vram_helper.h | 14 ++-- 49 files changed, 351 insertions(+), 308 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h') diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 6b224ef14455..59f63f1d7680 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -450,6 +450,24 @@ Contact: Ville Syrjälä, Daniel Vetter Level: Intermediate +Use struct dma_buf_map throughout codebase +------------------------------------------ + +Pointers to shared device memory are stored in struct dma_buf_map. Each +instance knows whether it refers to system or I/O memory. Most of the DRM-wide +interface have been converted to use struct dma_buf_map, but implementations +often still use raw pointers. + +The task is to use struct dma_buf_map where it makes sense. + +* Memory managers should use struct dma_buf_map for dma-buf-imported buffers. +* TTM might benefit from using struct dma_buf_map internally. +* Framebuffer copying and blitting helpers should operate on struct dma_buf_map. + +Contact: Thomas Zimmermann , Christian König, Daniel Vetter + +Level: Intermediate + Core refactorings ================= diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 3dc293c7b6ba..0973f408d75f 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -232,6 +232,7 @@ config DRM_RADEON select FW_LOADER select DRM_KMS_HELPER select DRM_TTM + select DRM_TTM_HELPER select POWER_SUPPLY select HWMON select BACKLIGHT_CLASS_DEVICE @@ -252,6 +253,7 @@ config DRM_AMDGPU select DRM_KMS_HELPER select DRM_SCHED select DRM_TTM + select DRM_TTM_HELPER select POWER_SUPPLY select HWMON select BACKLIGHT_CLASS_DEVICE diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index 5b465ab774d1..e5919efca870 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -41,42 +41,6 @@ #include #include -/** - * amdgpu_gem_prime_vmap - &dma_buf_ops.vmap implementation - * @obj: GEM BO - * - * Sets up an in-kernel virtual mapping of the BO's memory. - * - * Returns: - * The virtual address of the mapping or an error pointer. - */ -void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj) -{ - struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); - int ret; - - ret = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, - &bo->dma_buf_vmap); - if (ret) - return ERR_PTR(ret); - - return bo->dma_buf_vmap.virtual; -} - -/** - * amdgpu_gem_prime_vunmap - &dma_buf_ops.vunmap implementation - * @obj: GEM BO - * @vaddr: Virtual address (unused) - * - * Tears down the in-kernel virtual mapping of the BO's memory. - */ -void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); - - ttm_bo_kunmap(&bo->dma_buf_vmap); -} - /** * amdgpu_gem_prime_mmap - &drm_driver.gem_prime_mmap implementation * @obj: GEM BO diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h index 2c5c84a06bb9..39b5b9616fd8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h @@ -31,8 +31,6 @@ struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf); bool amdgpu_dmabuf_is_xgmi_accessible(struct amdgpu_device *adev, struct amdgpu_bo *bo); -void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj); -void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 8ea6fc745769..a6142ede78fb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -33,6 +33,7 @@ #include #include +#include #include "amdgpu.h" #include "amdgpu_display.h" @@ -220,8 +221,8 @@ static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = { .open = amdgpu_gem_object_open, .close = amdgpu_gem_object_close, .export = amdgpu_gem_prime_export, - .vmap = amdgpu_gem_prime_vmap, - .vunmap = amdgpu_gem_prime_vunmap, + .vmap = drm_gem_ttm_vmap, + .vunmap = drm_gem_ttm_vunmap, }; /* diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 132e5f955180..01296ef0d673 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -100,7 +100,6 @@ struct amdgpu_bo { struct amdgpu_bo *parent; struct amdgpu_bo *shadow; - struct ttm_bo_kmap_obj dma_buf_vmap; struct amdgpu_mn *mn; diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c index e0f4613918ad..742d43a7edf4 100644 --- a/drivers/gpu/drm/ast/ast_cursor.c +++ b/drivers/gpu/drm/ast/ast_cursor.c @@ -39,7 +39,7 @@ static void ast_cursor_fini(struct ast_private *ast) for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) { gbo = ast->cursor.gbo[i]; - drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]); + drm_gem_vram_vunmap(gbo, &ast->cursor.map[i]); drm_gem_vram_unpin(gbo); drm_gem_vram_put(gbo); } @@ -60,7 +60,7 @@ int ast_cursor_init(struct ast_private *ast) struct drm_device *dev = &ast->base; size_t size, i; struct drm_gem_vram_object *gbo; - void __iomem *vaddr; + struct dma_buf_map map; int ret; size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE); @@ -77,16 +77,15 @@ int ast_cursor_init(struct ast_private *ast) drm_gem_vram_put(gbo); goto err_drm_gem_vram_put; } - vaddr = drm_gem_vram_vmap(gbo); - if (IS_ERR(vaddr)) { - ret = PTR_ERR(vaddr); + ret = drm_gem_vram_vmap(gbo, &map); + if (ret) { drm_gem_vram_unpin(gbo); drm_gem_vram_put(gbo); goto err_drm_gem_vram_put; } ast->cursor.gbo[i] = gbo; - ast->cursor.vaddr[i] = vaddr; + ast->cursor.map[i] = map; } return drmm_add_action_or_reset(dev, ast_cursor_release, NULL); @@ -95,7 +94,7 @@ err_drm_gem_vram_put: while (i) { --i; gbo = ast->cursor.gbo[i]; - drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]); + drm_gem_vram_vunmap(gbo, &ast->cursor.map[i]); drm_gem_vram_unpin(gbo); drm_gem_vram_put(gbo); } @@ -170,6 +169,7 @@ int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb) { struct drm_device *dev = &ast->base; struct drm_gem_vram_object *gbo; + struct dma_buf_map map; int ret; void *src; void __iomem *dst; @@ -183,18 +183,17 @@ int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb) ret = drm_gem_vram_pin(gbo, 0); if (ret) return ret; - src = drm_gem_vram_vmap(gbo); - if (IS_ERR(src)) { - ret = PTR_ERR(src); + ret = drm_gem_vram_vmap(gbo, &map); + if (ret) goto err_drm_gem_vram_unpin; - } + src = map.vaddr; /* TODO: Use mapping abstraction properly */ - dst = ast->cursor.vaddr[ast->cursor.next_index]; + dst = ast->cursor.map[ast->cursor.next_index].vaddr_iomem; /* do data transfer to cursor BO */ update_cursor_image(dst, src, fb->width, fb->height); - drm_gem_vram_vunmap(gbo, src); + drm_gem_vram_vunmap(gbo, &map); drm_gem_vram_unpin(gbo); return 0; @@ -257,7 +256,7 @@ void ast_cursor_show(struct ast_private *ast, int x, int y, u8 __iomem *sig; u8 jreg; - dst = ast->cursor.vaddr[ast->cursor.next_index]; + dst = ast->cursor.map[ast->cursor.next_index].vaddr; sig = dst + AST_HWC_SIZE; writel(x, sig + AST_HWC_SIGNATURE_X); diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 33e596a4f042..79718ffbbeef 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -28,10 +28,11 @@ #ifndef __AST_DRV_H__ #define __AST_DRV_H__ -#include -#include +#include #include #include +#include +#include #include #include @@ -131,7 +132,7 @@ struct ast_private { struct { struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM]; - void __iomem *vaddr[AST_DEFAULT_HWC_NUM]; + struct dma_buf_map map[AST_DEFAULT_HWC_NUM]; unsigned int next_index; } cursor; diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index d586068f5509..4231fda26e70 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include @@ -1207,26 +1208,30 @@ void drm_gem_unpin(struct drm_gem_object *obj) void *drm_gem_vmap(struct drm_gem_object *obj) { - void *vaddr; + struct dma_buf_map map; + int ret; - if (obj->funcs->vmap) - vaddr = obj->funcs->vmap(obj); - else - vaddr = ERR_PTR(-EOPNOTSUPP); + if (!obj->funcs->vmap) + return ERR_PTR(-EOPNOTSUPP); - if (!vaddr) - vaddr = ERR_PTR(-ENOMEM); + ret = obj->funcs->vmap(obj, &map); + if (ret) + return ERR_PTR(ret); + else if (dma_buf_map_is_null(&map)) + return ERR_PTR(-ENOMEM); - return vaddr; + return map.vaddr; } void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr) { + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(vaddr); + if (!vaddr) return; if (obj->funcs->vunmap) - obj->funcs->vunmap(obj, vaddr); + obj->funcs->vunmap(obj, &map); } /** diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index d527485ea0b7..b57e3e9222f0 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -519,6 +519,8 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_prime_mmap); * drm_gem_cma_prime_vmap - map a CMA GEM object into the kernel's virtual * address space * @obj: GEM object + * @map: Returns the kernel virtual address of the CMA GEM object's backing + * store. * * This function maps a buffer exported via DRM PRIME into the kernel's * virtual address space. Since the CMA buffers are already mapped into the @@ -527,13 +529,15 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_prime_mmap); * driver's &drm_gem_object_funcs.vmap callback. * * Returns: - * The kernel virtual address of the CMA GEM object's backing store. + * 0 on success, or a negative error code otherwise. */ -void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj) +int drm_gem_cma_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj); - return cma_obj->vaddr; + dma_buf_map_set_vaddr(map, cma_obj->vaddr); + + return 0; } EXPORT_SYMBOL_GPL(drm_gem_cma_prime_vmap); diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 8233bda4692f..499189c48f0b 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -258,19 +258,25 @@ void drm_gem_shmem_unpin(struct drm_gem_object *obj) } EXPORT_SYMBOL(drm_gem_shmem_unpin); -static void *drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem) +static int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map) { struct drm_gem_object *obj = &shmem->base; - struct dma_buf_map map; int ret = 0; - if (shmem->vmap_use_count++ > 0) - return shmem->vaddr; + if (shmem->vmap_use_count++ > 0) { + dma_buf_map_set_vaddr(map, shmem->vaddr); + return 0; + } if (obj->import_attach) { - ret = dma_buf_vmap(obj->import_attach->dmabuf, &map); - if (!ret) - shmem->vaddr = map.vaddr; + ret = dma_buf_vmap(obj->import_attach->dmabuf, map); + if (!ret) { + if (WARN_ON(map->is_iomem)) { + ret = -EIO; + goto err_put_pages; + } + shmem->vaddr = map->vaddr; + } } else { pgprot_t prot = PAGE_KERNEL; @@ -284,6 +290,8 @@ static void *drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem) VM_MAP, prot); if (!shmem->vaddr) ret = -ENOMEM; + else + dma_buf_map_set_vaddr(map, shmem->vaddr); } if (ret) { @@ -291,7 +299,7 @@ static void *drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem) goto err_put_pages; } - return shmem->vaddr; + return 0; err_put_pages: if (!obj->import_attach) @@ -299,12 +307,14 @@ err_put_pages: err_zero_use: shmem->vmap_use_count = 0; - return ERR_PTR(ret); + return ret; } /* * drm_gem_shmem_vmap - Create a virtual mapping for a shmem GEM object * @shmem: shmem GEM object + * @map: Returns the kernel virtual address of the SHMEM GEM object's backing + * store. * * This function makes sure that a contiguous kernel virtual address mapping * exists for the buffer backing the shmem GEM object. @@ -318,26 +328,25 @@ err_zero_use: * Returns: * 0 on success or a negative error code on failure. */ -void *drm_gem_shmem_vmap(struct drm_gem_object *obj) +int drm_gem_shmem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); - void *vaddr; int ret; ret = mutex_lock_interruptible(&shmem->vmap_lock); if (ret) - return ERR_PTR(ret); - vaddr = drm_gem_shmem_vmap_locked(shmem); + return ret; + ret = drm_gem_shmem_vmap_locked(shmem, map); mutex_unlock(&shmem->vmap_lock); - return vaddr; + return ret; } EXPORT_SYMBOL(drm_gem_shmem_vmap); -static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem) +static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem, + struct dma_buf_map *map) { struct drm_gem_object *obj = &shmem->base; - struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(shmem->vaddr); if (WARN_ON_ONCE(!shmem->vmap_use_count)) return; @@ -346,7 +355,7 @@ static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem) return; if (obj->import_attach) - dma_buf_vunmap(obj->import_attach->dmabuf, &map); + dma_buf_vunmap(obj->import_attach->dmabuf, map); else vunmap(shmem->vaddr); @@ -357,6 +366,7 @@ static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem) /* * drm_gem_shmem_vunmap - Unmap a virtual mapping fo a shmem GEM object * @shmem: shmem GEM object + * @map: Kernel virtual address where the SHMEM GEM object was mapped * * This function cleans up a kernel virtual address mapping acquired by * drm_gem_shmem_vmap(). The mapping is only removed when the use count drops to @@ -366,12 +376,12 @@ static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem) * also be called by drivers directly, in which case it will hide the * differences between dma-buf imported and natively allocated objects. */ -void drm_gem_shmem_vunmap(struct drm_gem_object *obj, void *vaddr) +void drm_gem_shmem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj); mutex_lock(&shmem->vmap_lock); - drm_gem_shmem_vunmap_locked(shmem); + drm_gem_shmem_vunmap_locked(shmem, map); mutex_unlock(&shmem->vmap_lock); } EXPORT_SYMBOL(drm_gem_shmem_vunmap); diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index e305fadb8bc8..5e1b09ba5f2b 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-or-later +#include #include #include @@ -112,8 +113,8 @@ static void drm_gem_vram_cleanup(struct drm_gem_vram_object *gbo) * up; only release the GEM object. */ - WARN_ON(gbo->kmap_use_count); - WARN_ON(gbo->kmap.virtual); + WARN_ON(gbo->vmap_use_count); + WARN_ON(dma_buf_map_is_set(&gbo->map)); drm_gem_object_release(&gbo->bo.base); } @@ -378,29 +379,37 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo) } EXPORT_SYMBOL(drm_gem_vram_unpin); -static void *drm_gem_vram_kmap_locked(struct drm_gem_vram_object *gbo) +static int drm_gem_vram_kmap_locked(struct drm_gem_vram_object *gbo, + struct dma_buf_map *map) { int ret; - struct ttm_bo_kmap_obj *kmap = &gbo->kmap; - bool is_iomem; - if (gbo->kmap_use_count > 0) + if (gbo->vmap_use_count > 0) goto out; - ret = ttm_bo_kmap(&gbo->bo, 0, gbo->bo.num_pages, kmap); + ret = ttm_bo_vmap(&gbo->bo, &gbo->map); if (ret) - return ERR_PTR(ret); + return ret; out: - ++gbo->kmap_use_count; - return ttm_kmap_obj_virtual(kmap, &is_iomem); + ++gbo->vmap_use_count; + *map = gbo->map; + + return 0; } -static void drm_gem_vram_kunmap_locked(struct drm_gem_vram_object *gbo) +static void drm_gem_vram_kunmap_locked(struct drm_gem_vram_object *gbo, + struct dma_buf_map *map) { - if (WARN_ON_ONCE(!gbo->kmap_use_count)) + struct drm_device *dev = gbo->bo.base.dev; + + if (drm_WARN_ON_ONCE(dev, !gbo->vmap_use_count)) return; - if (--gbo->kmap_use_count > 0) + + if (drm_WARN_ON_ONCE(dev, !dma_buf_map_is_equal(&gbo->map, map))) + return; /* BUG: map not mapped from this BO */ + + if (--gbo->vmap_use_count > 0) return; /* @@ -414,7 +423,9 @@ static void drm_gem_vram_kunmap_locked(struct drm_gem_vram_object *gbo) /** * drm_gem_vram_vmap() - Pins and maps a GEM VRAM object into kernel address * space - * @gbo: The GEM VRAM object to map + * @gbo: The GEM VRAM object to map + * @map: Returns the kernel virtual address of the VRAM GEM object's backing + * store. * * The vmap function pins a GEM VRAM object to its current location, either * system or video memory, and maps its buffer into kernel address space. @@ -423,48 +434,44 @@ static void drm_gem_vram_kunmap_locked(struct drm_gem_vram_object *gbo) * unmap and unpin the GEM VRAM object. * * Returns: - * The buffer's virtual address on success, or - * an ERR_PTR()-encoded error code otherwise. + * 0 on success, or a negative error code otherwise. */ -void *drm_gem_vram_vmap(struct drm_gem_vram_object *gbo) +int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map) { int ret; - void *base; ret = ttm_bo_reserve(&gbo->bo, true, false, NULL); if (ret) - return ERR_PTR(ret); + return ret; ret = drm_gem_vram_pin_locked(gbo, 0); if (ret) goto err_ttm_bo_unreserve; - base = drm_gem_vram_kmap_locked(gbo); - if (IS_ERR(base)) { - ret = PTR_ERR(base); + ret = drm_gem_vram_kmap_locked(gbo, map); + if (ret) goto err_drm_gem_vram_unpin_locked; - } ttm_bo_unreserve(&gbo->bo); - return base; + return 0; err_drm_gem_vram_unpin_locked: drm_gem_vram_unpin_locked(gbo); err_ttm_bo_unreserve: ttm_bo_unreserve(&gbo->bo); - return ERR_PTR(ret); + return ret; } EXPORT_SYMBOL(drm_gem_vram_vmap); /** * drm_gem_vram_vunmap() - Unmaps and unpins a GEM VRAM object - * @gbo: The GEM VRAM object to unmap - * @vaddr: The mapping's base address as returned by drm_gem_vram_vmap() + * @gbo: The GEM VRAM object to unmap + * @map: Kernel virtual address where the VRAM GEM object was mapped * * A call to drm_gem_vram_vunmap() unmaps and unpins a GEM VRAM buffer. See * the documentation for drm_gem_vram_vmap() for more information. */ -void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, void *vaddr) +void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map) { int ret; @@ -472,7 +479,7 @@ void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, void *vaddr) if (WARN_ONCE(ret, "ttm_bo_reserve_failed(): ret=%d\n", ret)) return; - drm_gem_vram_kunmap_locked(gbo); + drm_gem_vram_kunmap_locked(gbo, map); drm_gem_vram_unpin_locked(gbo); ttm_bo_unreserve(&gbo->bo); @@ -563,15 +570,13 @@ static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo, bool evict, struct ttm_resource *new_mem) { - struct ttm_bo_kmap_obj *kmap = &gbo->kmap; + struct ttm_buffer_object *bo = &gbo->bo; + struct drm_device *dev = bo->base.dev; - if (WARN_ON_ONCE(gbo->kmap_use_count)) + if (drm_WARN_ON_ONCE(dev, gbo->vmap_use_count)) return; - if (!kmap->virtual) - return; - ttm_bo_kunmap(kmap); - kmap->virtual = NULL; + ttm_bo_vunmap(bo, &gbo->map); } static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo, @@ -837,37 +842,33 @@ static void drm_gem_vram_object_unpin(struct drm_gem_object *gem) } /** - * drm_gem_vram_object_vmap() - \ - Implements &struct drm_gem_object_funcs.vmap - * @gem: The GEM object to map + * drm_gem_vram_object_vmap() - + * Implements &struct drm_gem_object_funcs.vmap + * @gem: The GEM object to map + * @map: Returns the kernel virtual address of the VRAM GEM object's backing + * store. * * Returns: - * The buffers virtual address on success, or - * NULL otherwise. + * 0 on success, or a negative error code otherwise. */ -static void *drm_gem_vram_object_vmap(struct drm_gem_object *gem) +static int drm_gem_vram_object_vmap(struct drm_gem_object *gem, struct dma_buf_map *map) { struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - void *base; - base = drm_gem_vram_vmap(gbo); - if (IS_ERR(base)) - return NULL; - return base; + return drm_gem_vram_vmap(gbo, map); } /** - * drm_gem_vram_object_vunmap() - \ - Implements &struct drm_gem_object_funcs.vunmap - * @gem: The GEM object to unmap - * @vaddr: The mapping's base address + * drm_gem_vram_object_vunmap() - + * Implements &struct drm_gem_object_funcs.vunmap + * @gem: The GEM object to unmap + * @map: Kernel virtual address where the VRAM GEM object was mapped */ -static void drm_gem_vram_object_vunmap(struct drm_gem_object *gem, - void *vaddr) +static void drm_gem_vram_object_vunmap(struct drm_gem_object *gem, struct dma_buf_map *map) { struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem); - drm_gem_vram_vunmap(gbo, vaddr); + drm_gem_vram_vunmap(gbo, map); } /* diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h index 9682c26d89bb..f5be627e1de0 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h @@ -51,7 +51,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma); int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset); struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj); -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj); +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); int etnaviv_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); struct drm_gem_object *etnaviv_gem_prime_import_sg_table(struct drm_device *dev, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c index a6d9932a32ae..d9bd83203a15 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c @@ -22,9 +22,16 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj) return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages); } -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj) +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { - return etnaviv_gem_vmap(obj); + void *vaddr; + + vaddr = etnaviv_gem_vmap(obj); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); + + return 0; } int etnaviv_gem_prime_mmap(struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c index 11223fe348df..832e5280a6ed 100644 --- a/drivers/gpu/drm/lima/lima_gem.c +++ b/drivers/gpu/drm/lima/lima_gem.c @@ -182,14 +182,14 @@ static int lima_gem_pin(struct drm_gem_object *obj) return drm_gem_shmem_pin(obj); } -static void *lima_gem_vmap(struct drm_gem_object *obj) +static int lima_gem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct lima_bo *bo = to_lima_bo(obj); if (bo->heap_size) - return ERR_PTR(-EINVAL); + return -EINVAL; - return drm_gem_shmem_vmap(obj); + return drm_gem_shmem_vmap(obj, map); } static int lima_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c index dc6df9e9a40d..a070a85f8f36 100644 --- a/drivers/gpu/drm/lima/lima_sched.c +++ b/drivers/gpu/drm/lima/lima_sched.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR MIT /* Copyright 2017-2019 Qiang Yu */ +#include #include #include #include @@ -303,6 +304,8 @@ static void lima_sched_build_error_task_list(struct lima_sched_task *task) struct lima_dump_chunk_buffer *buffer_chunk; u32 size, task_size, mem_size; int i; + struct dma_buf_map map; + int ret; mutex_lock(&dev->error_task_list_lock); @@ -388,15 +391,15 @@ static void lima_sched_build_error_task_list(struct lima_sched_task *task) } else { buffer_chunk->size = lima_bo_size(bo); - data = drm_gem_shmem_vmap(&bo->base.base); - if (IS_ERR_OR_NULL(data)) { + ret = drm_gem_shmem_vmap(&bo->base.base, &map); + if (ret) { kvfree(et); goto out; } - memcpy(buffer_chunk + 1, data, buffer_chunk->size); + memcpy(buffer_chunk + 1, map.vaddr, buffer_chunk->size); - drm_gem_shmem_vunmap(&bo->base.base, data); + drm_gem_shmem_vunmap(&bo->base.base, &map); } buffer_chunk = (void *)(buffer_chunk + 1) + buffer_chunk->size; diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index bbe4e60dfd08..1dfc42170059 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -9,6 +9,7 @@ */ #include +#include #include #include @@ -1551,15 +1552,18 @@ mgag200_handle_damage(struct mga_device *mdev, struct drm_framebuffer *fb, struct drm_rect *clip) { struct drm_device *dev = &mdev->base; + struct dma_buf_map map; void *vmap; + int ret; - vmap = drm_gem_shmem_vmap(fb->obj[0]); - if (drm_WARN_ON(dev, !vmap)) + ret = drm_gem_shmem_vmap(fb->obj[0], &map); + if (drm_WARN_ON(dev, ret)) return; /* BUG: SHMEM BO should always be vmapped */ + vmap = map.vaddr; /* TODO: Use mapping abstraction properly */ drm_fb_memcpy_dstclip(mdev->vram, vmap, fb, clip); - drm_gem_shmem_vunmap(fb->obj[0], vmap); + drm_gem_shmem_vunmap(fb->obj[0], &map); /* Always scanout image at VRAM offset 0 */ mgag200_set_startadd(mdev, (u32)0); diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 5dec1e5694b7..9436310d0854 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -6,6 +6,7 @@ config DRM_NOUVEAU select FW_LOADER select DRM_KMS_HELPER select DRM_TTM + select DRM_TTM_HELPER select BACKLIGHT_CLASS_DEVICE if DRM_NOUVEAU_BACKLIGHT select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && INPUT select X86_PLATFORM_DEVICES if ACPI && X86 diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h index 641ef6298a0e..6045b85a762a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.h +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -39,8 +39,6 @@ struct nouveau_bo { unsigned mode; struct nouveau_drm_tile *tile; - - struct ttm_bo_kmap_obj dma_buf_vmap; }; static inline struct nouveau_bo * diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index dd51cd0ae20c..787d05eefd9c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -24,6 +24,8 @@ * */ +#include + #include "nouveau_drv.h" #include "nouveau_dma.h" #include "nouveau_fence.h" @@ -176,8 +178,8 @@ const struct drm_gem_object_funcs nouveau_gem_object_funcs = { .pin = nouveau_gem_prime_pin, .unpin = nouveau_gem_prime_unpin, .get_sg_table = nouveau_gem_prime_get_sg_table, - .vmap = nouveau_gem_prime_vmap, - .vunmap = nouveau_gem_prime_vunmap, + .vmap = drm_gem_ttm_vmap, + .vunmap = drm_gem_ttm_vunmap, }; int diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h index b35c180322e2..3b919c7c931c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.h +++ b/drivers/gpu/drm/nouveau/nouveau_gem.h @@ -37,7 +37,5 @@ extern void nouveau_gem_prime_unpin(struct drm_gem_object *); extern struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *); extern struct drm_gem_object *nouveau_gem_prime_import_sg_table( struct drm_device *, struct dma_buf_attachment *, struct sg_table *); -extern void *nouveau_gem_prime_vmap(struct drm_gem_object *); -extern void nouveau_gem_prime_vunmap(struct drm_gem_object *, void *); #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index a8264aebf3d4..2f16b5249283 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -35,26 +35,6 @@ struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *obj) return drm_prime_pages_to_sg(obj->dev, nvbo->bo.ttm->pages, npages); } -void *nouveau_gem_prime_vmap(struct drm_gem_object *obj) -{ - struct nouveau_bo *nvbo = nouveau_gem_object(obj); - int ret; - - ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.num_pages, - &nvbo->dma_buf_vmap); - if (ret) - return ERR_PTR(ret); - - return nvbo->dma_buf_vmap.virtual; -} - -void nouveau_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - struct nouveau_bo *nvbo = nouveau_gem_object(obj); - - ttm_bo_kunmap(&nvbo->dma_buf_vmap); -} - struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg) diff --git a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c index fdbc8d949135..5ab03d605f57 100644 --- a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c +++ b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include @@ -72,6 +73,7 @@ static int panfrost_perfcnt_enable_locked(struct panfrost_device *pfdev, { struct panfrost_file_priv *user = file_priv->driver_priv; struct panfrost_perfcnt *perfcnt = pfdev->perfcnt; + struct dma_buf_map map; struct drm_gem_shmem_object *bo; u32 cfg, as; int ret; @@ -103,11 +105,10 @@ static int panfrost_perfcnt_enable_locked(struct panfrost_device *pfdev, goto err_close_bo; } - perfcnt->buf = drm_gem_shmem_vmap(&bo->base); - if (IS_ERR(perfcnt->buf)) { - ret = PTR_ERR(perfcnt->buf); + ret = drm_gem_shmem_vmap(&bo->base, &map); + if (ret) goto err_put_mapping; - } + perfcnt->buf = map.vaddr; /* * Invalidate the cache and clear the counters to start from a fresh @@ -163,7 +164,7 @@ static int panfrost_perfcnt_enable_locked(struct panfrost_device *pfdev, return 0; err_vunmap: - drm_gem_shmem_vunmap(&bo->base, perfcnt->buf); + drm_gem_shmem_vunmap(&bo->base, &map); err_put_mapping: panfrost_gem_mapping_put(perfcnt->mapping); err_close_bo: @@ -180,6 +181,7 @@ static int panfrost_perfcnt_disable_locked(struct panfrost_device *pfdev, { struct panfrost_file_priv *user = file_priv->driver_priv; struct panfrost_perfcnt *perfcnt = pfdev->perfcnt; + struct dma_buf_map map = DMA_BUF_MAP_INIT_VADDR(perfcnt->buf); if (user != perfcnt->user) return -EINVAL; @@ -192,7 +194,7 @@ static int panfrost_perfcnt_disable_locked(struct panfrost_device *pfdev, GPU_PERFCNT_CFG_MODE(GPU_PERFCNT_CFG_MODE_OFF)); perfcnt->user = NULL; - drm_gem_shmem_vunmap(&perfcnt->mapping->obj->base.base, perfcnt->buf); + drm_gem_shmem_vunmap(&perfcnt->mapping->obj->base.base, &map); perfcnt->buf = NULL; panfrost_gem_close(&perfcnt->mapping->obj->base.base, file_priv); panfrost_mmu_as_put(pfdev, perfcnt->mapping->mmu); diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 07a3e3c23f09..012bce0cdb65 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -25,6 +25,7 @@ #include #include +#include #include #include @@ -581,6 +582,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, struct drm_gem_object *obj; struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL; int ret; + struct dma_buf_map user_map; + struct dma_buf_map cursor_map; void *user_ptr; int size = 64*64*4; @@ -595,9 +598,10 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, user_bo = gem_to_qxl_bo(obj); /* pinning is done in the prepare/cleanup framevbuffer */ - ret = qxl_bo_kmap(user_bo, &user_ptr); + ret = qxl_bo_kmap(user_bo, &user_map); if (ret) goto out_free_release; + user_ptr = user_map.vaddr; /* TODO: Use mapping abstraction properly */ ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size, @@ -613,9 +617,13 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, if (ret) goto out_unpin; - ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); + ret = qxl_bo_kmap(cursor_bo, &cursor_map); if (ret) goto out_backoff; + if (cursor_map.is_iomem) /* TODO: Use mapping abstraction properly */ + cursor = (struct qxl_cursor __force *)cursor_map.vaddr_iomem; + else + cursor = (struct qxl_cursor *)cursor_map.vaddr; cursor->header.unique = 0; cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; @@ -1133,6 +1141,7 @@ int qxl_create_monitors_object(struct qxl_device *qdev) { int ret; struct drm_gem_object *gobj; + struct dma_buf_map map; int monitors_config_size = sizeof(struct qxl_monitors_config) + qxl_num_crtc * sizeof(struct qxl_head); @@ -1149,7 +1158,7 @@ int qxl_create_monitors_object(struct qxl_device *qdev) if (ret) return ret; - qxl_bo_kmap(qdev->monitors_config_bo, NULL); + qxl_bo_kmap(qdev->monitors_config_bo, &map); qdev->monitors_config = qdev->monitors_config_bo->kptr; qdev->ram_header->monitors_config = diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c index 3599db096973..7b7acb910780 100644 --- a/drivers/gpu/drm/qxl/qxl_draw.c +++ b/drivers/gpu/drm/qxl/qxl_draw.c @@ -20,6 +20,8 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +#include + #include #include "qxl_drv.h" @@ -42,13 +44,15 @@ static struct qxl_rect *drawable_set_clipping(struct qxl_device *qdev, unsigned int num_clips, struct qxl_bo *clips_bo) { + struct dma_buf_map map; struct qxl_clip_rects *dev_clips; int ret; - ret = qxl_bo_kmap(clips_bo, (void **)&dev_clips); - if (ret) { + ret = qxl_bo_kmap(clips_bo, &map); + if (ret) return NULL; - } + dev_clips = map.vaddr; /* TODO: Use mapping abstraction properly */ + dev_clips->num_rects = num_clips; dev_clips->chunk.next_chunk = 0; dev_clips->chunk.prev_chunk = 0; @@ -142,6 +146,7 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev, int stride = fb->pitches[0]; /* depth is not actually interesting, we don't mask with it */ int depth = fb->format->cpp[0] * 8; + struct dma_buf_map surface_map; uint8_t *surface_base; struct qxl_release *release; struct qxl_bo *clips_bo; @@ -197,9 +202,10 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev, if (ret) goto out_release_backoff; - ret = qxl_bo_kmap(bo, (void **)&surface_base); + ret = qxl_bo_kmap(bo, &surface_map); if (ret) goto out_release_backoff; + surface_base = surface_map.vaddr; /* TODO: Use mapping abstraction properly */ ret = qxl_image_init(qdev, release, dimage, surface_base, left - dumb_shadow_offset, diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 3602e8b34189..eb437fea5d9e 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -30,6 +30,7 @@ * Definitions taken from spice-protocol, plus kernel driver specific bits. */ +#include #include #include #include @@ -50,6 +51,8 @@ #include "qxl_dev.h" +struct dma_buf_map; + #define DRIVER_AUTHOR "Dave Airlie" #define DRIVER_NAME "qxl" @@ -79,7 +82,7 @@ struct qxl_bo { /* Protected by tbo.reserved */ struct ttm_place placements[3]; struct ttm_placement placement; - struct ttm_bo_kmap_obj kmap; + struct dma_buf_map map; void *kptr; unsigned int map_count; int type; @@ -335,7 +338,6 @@ int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); void qxl_gem_object_close(struct drm_gem_object *obj, struct drm_file *file_priv); void qxl_bo_force_delete(struct qxl_device *qdev); -int qxl_bo_kmap(struct qxl_bo *bo, void **ptr); /* qxl_dumb.c */ int qxl_mode_dumb_create(struct drm_file *file_priv, @@ -445,8 +447,9 @@ struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object *qxl_gem_prime_import_sg_table( struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); -void *qxl_gem_prime_vmap(struct drm_gem_object *obj); -void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); +void qxl_gem_prime_vunmap(struct drm_gem_object *obj, + struct dma_buf_map *map); int qxl_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c index 547d46c14d56..ceebc5881f68 100644 --- a/drivers/gpu/drm/qxl/qxl_object.c +++ b/drivers/gpu/drm/qxl/qxl_object.c @@ -23,10 +23,12 @@ * Alon Levy */ +#include +#include + #include "qxl_drv.h" #include "qxl_object.h" -#include static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo) { struct qxl_bo *bo; @@ -152,24 +154,27 @@ int qxl_bo_create(struct qxl_device *qdev, return 0; } -int qxl_bo_kmap(struct qxl_bo *bo, void **ptr) +int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map) { - bool is_iomem; int r; if (bo->kptr) { - if (ptr) - *ptr = bo->kptr; bo->map_count++; - return 0; + goto out; } - r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap); + r = ttm_bo_vmap(&bo->tbo, &bo->map); if (r) return r; - bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem); - if (ptr) - *ptr = bo->kptr; bo->map_count = 1; + + /* TODO: Remove kptr in favor of map everywhere. */ + if (bo->map.is_iomem) + bo->kptr = (void *)bo->map.vaddr_iomem; + else + bo->kptr = bo->map.vaddr; + +out: + *map = bo->map; return 0; } @@ -180,6 +185,7 @@ void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, void *rptr; int ret; struct io_mapping *map; + struct dma_buf_map bo_map; if (bo->tbo.mem.mem_type == TTM_PL_VRAM) map = qdev->vram_mapping; @@ -196,9 +202,10 @@ fallback: return rptr; } - ret = qxl_bo_kmap(bo, &rptr); + ret = qxl_bo_kmap(bo, &bo_map); if (ret) return NULL; + rptr = bo_map.vaddr; /* TODO: Use mapping abstraction properly */ rptr += page_offset * PAGE_SIZE; return rptr; @@ -212,7 +219,7 @@ void qxl_bo_kunmap(struct qxl_bo *bo) if (bo->map_count > 0) return; bo->kptr = NULL; - ttm_bo_kunmap(&bo->kmap); + ttm_bo_vunmap(&bo->tbo, &bo->map); } void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, diff --git a/drivers/gpu/drm/qxl/qxl_object.h b/drivers/gpu/drm/qxl/qxl_object.h index 09a5c818324d..ebf24c9d2bf2 100644 --- a/drivers/gpu/drm/qxl/qxl_object.h +++ b/drivers/gpu/drm/qxl/qxl_object.h @@ -63,7 +63,7 @@ extern int qxl_bo_create(struct qxl_device *qdev, bool kernel, bool pinned, u32 domain, struct qxl_surface *surf, struct qxl_bo **bo_ptr); -extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr); +extern int qxl_bo_kmap(struct qxl_bo *bo, struct dma_buf_map *map); extern void qxl_bo_kunmap(struct qxl_bo *bo); void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset); void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map); diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c index 7d3816fca5a8..4aa949799446 100644 --- a/drivers/gpu/drm/qxl/qxl_prime.c +++ b/drivers/gpu/drm/qxl/qxl_prime.c @@ -54,20 +54,20 @@ struct drm_gem_object *qxl_gem_prime_import_sg_table( return ERR_PTR(-ENOSYS); } -void *qxl_gem_prime_vmap(struct drm_gem_object *obj) +int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct qxl_bo *bo = gem_to_qxl_bo(obj); - void *ptr; int ret; - ret = qxl_bo_kmap(bo, &ptr); + ret = qxl_bo_kmap(bo, map); if (ret < 0) - return ERR_PTR(ret); + return ret; - return ptr; + return 0; } -void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +void qxl_gem_prime_vunmap(struct drm_gem_object *obj, + struct dma_buf_map *map) { struct qxl_bo *bo = gem_to_qxl_bo(obj); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index f475785d6491..6969327722d1 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -509,7 +509,6 @@ struct radeon_bo { /* Constant after initialization */ struct radeon_device *rdev; - struct ttm_bo_kmap_obj dma_buf_vmap; pid_t pid; #ifdef CONFIG_MMU_NOTIFIER diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 0ccd7213e41f..d2876ce3bc9e 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include "radeon.h" @@ -40,8 +41,6 @@ struct dma_buf *radeon_gem_prime_export(struct drm_gem_object *gobj, struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); int radeon_gem_prime_pin(struct drm_gem_object *obj); void radeon_gem_prime_unpin(struct drm_gem_object *obj); -void *radeon_gem_prime_vmap(struct drm_gem_object *obj); -void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); static const struct drm_gem_object_funcs radeon_gem_object_funcs; @@ -235,8 +234,8 @@ static const struct drm_gem_object_funcs radeon_gem_object_funcs = { .pin = radeon_gem_prime_pin, .unpin = radeon_gem_prime_unpin, .get_sg_table = radeon_gem_prime_get_sg_table, - .vmap = radeon_gem_prime_vmap, - .vunmap = radeon_gem_prime_vunmap, + .vmap = drm_gem_ttm_vmap, + .vunmap = drm_gem_ttm_vunmap, }; /* diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index b9de0e51c0be..088d39a51c0d 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -39,26 +39,6 @@ struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj) return drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages, npages); } -void *radeon_gem_prime_vmap(struct drm_gem_object *obj) -{ - struct radeon_bo *bo = gem_to_radeon_bo(obj); - int ret; - - ret = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, - &bo->dma_buf_vmap); - if (ret) - return ERR_PTR(ret); - - return bo->dma_buf_vmap.virtual; -} - -void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - struct radeon_bo *bo = gem_to_radeon_bo(obj); - - ttm_bo_kunmap(&bo->dma_buf_vmap); -} - struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 7d5ebb10323b..7971f57436dd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -532,26 +532,32 @@ err_free_rk_obj: return ERR_PTR(ret); } -void *rockchip_gem_prime_vmap(struct drm_gem_object *obj) +int rockchip_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); - if (rk_obj->pages) - return vmap(rk_obj->pages, rk_obj->num_pages, VM_MAP, - pgprot_writecombine(PAGE_KERNEL)); + if (rk_obj->pages) { + void *vaddr = vmap(rk_obj->pages, rk_obj->num_pages, VM_MAP, + pgprot_writecombine(PAGE_KERNEL)); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); + return 0; + } if (rk_obj->dma_attrs & DMA_ATTR_NO_KERNEL_MAPPING) - return NULL; + return -ENOMEM; + dma_buf_map_set_vaddr(map, rk_obj->kvaddr); - return rk_obj->kvaddr; + return 0; } -void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); if (rk_obj->pages) { - vunmap(vaddr); + vunmap(map->vaddr); return; } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h index 7ffc541bea07..5a70a56cd406 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h @@ -31,8 +31,8 @@ struct drm_gem_object * rockchip_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); -void *rockchip_gem_prime_vmap(struct drm_gem_object *obj); -void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +int rockchip_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); +void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map); /* drm driver mmap file operations */ int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma); diff --git a/drivers/gpu/drm/tiny/cirrus.c b/drivers/gpu/drm/tiny/cirrus.c index 4f399804efa0..561c49d8657a 100644 --- a/drivers/gpu/drm/tiny/cirrus.c +++ b/drivers/gpu/drm/tiny/cirrus.c @@ -17,6 +17,7 @@ */ #include +#include #include #include @@ -314,6 +315,7 @@ static int cirrus_fb_blit_rect(struct drm_framebuffer *fb, struct drm_rect *rect) { struct cirrus_device *cirrus = to_cirrus(fb->dev); + struct dma_buf_map map; void *vmap; int idx, ret; @@ -321,10 +323,10 @@ static int cirrus_fb_blit_rect(struct drm_framebuffer *fb, if (!drm_dev_enter(&cirrus->dev, &idx)) goto out; - ret = -ENOMEM; - vmap = drm_gem_shmem_vmap(fb->obj[0]); - if (!vmap) + ret = drm_gem_shmem_vmap(fb->obj[0], &map); + if (ret) goto out_dev_exit; + vmap = map.vaddr; /* TODO: Use mapping abstraction properly */ if (cirrus->cpp == fb->format->cpp[0]) drm_fb_memcpy_dstclip(cirrus->vram, @@ -343,7 +345,7 @@ static int cirrus_fb_blit_rect(struct drm_framebuffer *fb, else WARN_ON_ONCE("cpp mismatch"); - drm_gem_shmem_vunmap(fb->obj[0], vmap); + drm_gem_shmem_vunmap(fb->obj[0], &map); ret = 0; out_dev_exit: diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c index a632d6008b59..33f65f4626e5 100644 --- a/drivers/gpu/drm/tiny/gm12u320.c +++ b/drivers/gpu/drm/tiny/gm12u320.c @@ -250,6 +250,7 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320) { int block, dst_offset, len, remain, ret, x1, x2, y1, y2; struct drm_framebuffer *fb; + struct dma_buf_map map; void *vaddr; u8 *src; @@ -264,11 +265,12 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320) y1 = gm12u320->fb_update.rect.y1; y2 = gm12u320->fb_update.rect.y2; - vaddr = drm_gem_shmem_vmap(fb->obj[0]); - if (IS_ERR(vaddr)) { - GM12U320_ERR("failed to vmap fb: %ld\n", PTR_ERR(vaddr)); + ret = drm_gem_shmem_vmap(fb->obj[0], &map); + if (ret) { + GM12U320_ERR("failed to vmap fb: %d\n", ret); goto put_fb; } + vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */ if (fb->obj[0]->import_attach) { ret = dma_buf_begin_cpu_access( @@ -320,7 +322,7 @@ static void gm12u320_copy_fb_to_blocks(struct gm12u320_device *gm12u320) GM12U320_ERR("dma_buf_end_cpu_access err: %d\n", ret); } vunmap: - drm_gem_shmem_vunmap(fb->obj[0], vaddr); + drm_gem_shmem_vunmap(fb->obj[0], &map); put_fb: drm_framebuffer_put(fb); gm12u320->fb_update.fb = NULL; diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index fef43f4e3bac..42eeba1dfdbf 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -276,6 +276,7 @@ static int udl_handle_damage(struct drm_framebuffer *fb, int x, int y, struct urb *urb; struct drm_rect clip; int log_bpp; + struct dma_buf_map map; void *vaddr; ret = udl_log_cpp(fb->format->cpp[0]); @@ -296,11 +297,12 @@ static int udl_handle_damage(struct drm_framebuffer *fb, int x, int y, return ret; } - vaddr = drm_gem_shmem_vmap(fb->obj[0]); - if (IS_ERR(vaddr)) { + ret = drm_gem_shmem_vmap(fb->obj[0], &map); + if (ret) { DRM_ERROR("failed to vmap fb\n"); goto out_dma_buf_end_cpu_access; } + vaddr = map.vaddr; /* TODO: Use mapping abstraction properly */ urb = udl_get_urb(dev); if (!urb) @@ -333,7 +335,7 @@ static int udl_handle_damage(struct drm_framebuffer *fb, int x, int y, ret = 0; out_drm_gem_shmem_vunmap: - drm_gem_shmem_vunmap(fb->obj[0], vaddr); + drm_gem_shmem_vunmap(fb->obj[0], &map); out_dma_buf_end_cpu_access: if (import_attach) { tmp_ret = dma_buf_end_cpu_access(import_attach->dmabuf, diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c index 322bf7133ba1..dbc0dd53c69e 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_mode.c +++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c @@ -9,6 +9,8 @@ * Michael Thayer */ + +#include #include #include @@ -384,6 +386,8 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, u32 height = plane->state->crtc_h; size_t data_size, mask_size; u32 flags; + struct dma_buf_map map; + int ret; u8 *src; /* @@ -397,8 +401,8 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, vbox_crtc->cursor_enabled = true; - src = drm_gem_vram_vmap(gbo); - if (IS_ERR(src)) { + ret = drm_gem_vram_vmap(gbo, &map); + if (ret) { /* * BUG: we should have pinned the BO in prepare_fb(). */ @@ -406,6 +410,7 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, DRM_WARN("Could not map cursor bo, skipping update\n"); return; } + src = map.vaddr; /* TODO: Use mapping abstraction properly */ /* * The mask must be calculated based on the alpha @@ -416,7 +421,7 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane, data_size = width * height * 4 + mask_size; copy_cursor_image(src, vbox->cursor_data, width, height, mask_size); - drm_gem_vram_vunmap(gbo, src); + drm_gem_vram_vunmap(gbo, &map); flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE | VBOX_MOUSE_POINTER_ALPHA; diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 557f0d1e6437..f290a9a942dc 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -785,16 +785,16 @@ int vc4_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) return drm_gem_cma_prime_mmap(obj, vma); } -void *vc4_prime_vmap(struct drm_gem_object *obj) +int vc4_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct vc4_bo *bo = to_vc4_bo(obj); if (bo->validated_shader) { DRM_DEBUG("mmaping of shader BOs not allowed.\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - return drm_gem_cma_prime_vmap(obj); + return drm_gem_cma_prime_vmap(obj, map); } struct drm_gem_object * diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 5d3d8ed0b775..fe078648e0f5 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -806,7 +806,7 @@ int vc4_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); struct drm_gem_object *vc4_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); -void *vc4_prime_vmap(struct drm_gem_object *obj); +int vc4_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); int vc4_bo_cache_init(struct drm_device *dev); void vc4_bo_cache_destroy(struct drm_device *dev); int vc4_bo_inc_usecnt(struct vc4_bo *bo); diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index 3e9b7a4c30ce..9a413091abb6 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -361,24 +361,30 @@ static struct drm_gem_object *vgem_prime_import_sg_table(struct drm_device *dev, return &obj->base; } -static void *vgem_prime_vmap(struct drm_gem_object *obj) +static int vgem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct drm_vgem_gem_object *bo = to_vgem_bo(obj); long n_pages = obj->size >> PAGE_SHIFT; struct page **pages; + void *vaddr; pages = vgem_pin_pages(bo); if (IS_ERR(pages)) - return NULL; + return PTR_ERR(pages); + + vaddr = vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL)); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); - return vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL)); + return 0; } -static void vgem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +static void vgem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map) { struct drm_vgem_gem_object *bo = to_vgem_bo(obj); - vunmap(vaddr); + vunmap(map->vaddr); vgem_unpin_pages(bo); } diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index 9890137bcb8d..0824327cc860 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -1,5 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ +#include + #include #include #include @@ -146,15 +148,16 @@ static int vkms_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) { struct drm_gem_object *gem_obj; - void *vaddr; + struct dma_buf_map map; + int ret; if (!state->fb) return 0; gem_obj = drm_gem_fb_get_obj(state->fb, 0); - vaddr = drm_gem_shmem_vmap(gem_obj); - if (IS_ERR(vaddr)) - DRM_ERROR("vmap failed: %li\n", PTR_ERR(vaddr)); + ret = drm_gem_shmem_vmap(gem_obj, &map); + if (ret) + DRM_ERROR("vmap failed: %d\n", ret); return drm_gem_fb_prepare_fb(plane, state); } @@ -164,13 +167,15 @@ static void vkms_cleanup_fb(struct drm_plane *plane, { struct drm_gem_object *gem_obj; struct drm_gem_shmem_object *shmem_obj; + struct dma_buf_map map; if (!old_state->fb) return; gem_obj = drm_gem_fb_get_obj(old_state->fb, 0); shmem_obj = to_drm_gem_shmem_obj(drm_gem_fb_get_obj(old_state->fb, 0)); - drm_gem_shmem_vunmap(gem_obj, shmem_obj->vaddr); + dma_buf_map_set_vaddr(&map, shmem_obj->vaddr); + drm_gem_shmem_vunmap(gem_obj, &map); } static const struct drm_plane_helper_funcs vkms_primary_helper_funcs = { diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c index 26b903926872..67f80ab1e85f 100644 --- a/drivers/gpu/drm/vkms/vkms_writeback.c +++ b/drivers/gpu/drm/vkms/vkms_writeback.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ -#include "vkms_drv.h" +#include + #include #include #include @@ -8,6 +9,8 @@ #include #include +#include "vkms_drv.h" + static const u32 vkms_wb_formats[] = { DRM_FORMAT_XRGB8888, }; @@ -65,19 +68,20 @@ static int vkms_wb_prepare_job(struct drm_writeback_connector *wb_connector, struct drm_writeback_job *job) { struct drm_gem_object *gem_obj; - void *vaddr; + struct dma_buf_map map; + int ret; if (!job->fb) return 0; gem_obj = drm_gem_fb_get_obj(job->fb, 0); - vaddr = drm_gem_shmem_vmap(gem_obj); - if (IS_ERR(vaddr)) { - DRM_ERROR("vmap failed: %li\n", PTR_ERR(vaddr)); - return PTR_ERR(vaddr); + ret = drm_gem_shmem_vmap(gem_obj, &map); + if (ret) { + DRM_ERROR("vmap failed: %d\n", ret); + return ret; } - job->priv = vaddr; + job->priv = map.vaddr; return 0; } @@ -87,12 +91,14 @@ static void vkms_wb_cleanup_job(struct drm_writeback_connector *connector, { struct drm_gem_object *gem_obj; struct vkms_device *vkmsdev; + struct dma_buf_map map; if (!job->fb) return; gem_obj = drm_gem_fb_get_obj(job->fb, 0); - drm_gem_shmem_vunmap(gem_obj, job->priv); + dma_buf_map_set_vaddr(&map, job->priv); + drm_gem_shmem_vunmap(gem_obj, &map); vkmsdev = drm_device_to_vkms_device(gem_obj->dev); vkms_set_composer(&vkmsdev->output, false); diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c index 4f34ef34ba60..74db5a840bed 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.c +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c @@ -290,22 +290,28 @@ int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma) return gem_mmap_obj(xen_obj, vma); } -void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj) +int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj, struct dma_buf_map *map) { struct xen_gem_object *xen_obj = to_xen_gem_obj(gem_obj); + void *vaddr; if (!xen_obj->pages) - return NULL; + return -ENOMEM; /* Please see comment in gem_mmap_obj on mapping and attributes. */ - return vmap(xen_obj->pages, xen_obj->num_pages, - VM_MAP, PAGE_KERNEL); + vaddr = vmap(xen_obj->pages, xen_obj->num_pages, + VM_MAP, PAGE_KERNEL); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); + + return 0; } void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, - void *vaddr) + struct dma_buf_map *map) { - vunmap(vaddr); + vunmap(map->vaddr); } int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj, diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.h b/drivers/gpu/drm/xen/xen_drm_front_gem.h index a39675fa31b2..a4e67d0a149c 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.h +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.h @@ -12,6 +12,7 @@ #define __XEN_DRM_FRONT_GEM_H struct dma_buf_attachment; +struct dma_buf_map; struct drm_device; struct drm_gem_object; struct file; @@ -34,10 +35,11 @@ void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj); int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma); -void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj); +int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj, + struct dma_buf_map *map); void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, - void *vaddr); + struct dma_buf_map *map); int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj, struct vm_area_struct *vma); diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index c38dd35da00b..5e6daa1c982f 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -39,6 +39,7 @@ #include +struct dma_buf_map; struct drm_gem_object; /** @@ -138,7 +139,7 @@ struct drm_gem_object_funcs { * * This callback is optional. */ - void *(*vmap)(struct drm_gem_object *obj); + int (*vmap)(struct drm_gem_object *obj, struct dma_buf_map *map); /** * @vunmap: @@ -148,7 +149,7 @@ struct drm_gem_object_funcs { * * This callback is optional. */ - void (*vunmap)(struct drm_gem_object *obj, void *vaddr); + void (*vunmap)(struct drm_gem_object *obj, struct dma_buf_map *map); /** * @mmap: diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h index a064b0d1c480..caf98b9cf4b4 100644 --- a/include/drm/drm_gem_cma_helper.h +++ b/include/drm/drm_gem_cma_helper.h @@ -103,7 +103,7 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev, struct sg_table *sgt); int drm_gem_cma_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); -void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj); +int drm_gem_cma_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); struct drm_gem_object * drm_gem_cma_create_object_default_funcs(struct drm_device *dev, size_t size); diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h index 5381f0c8cf6f..3449a0353fe0 100644 --- a/include/drm/drm_gem_shmem_helper.h +++ b/include/drm/drm_gem_shmem_helper.h @@ -113,8 +113,8 @@ int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem); void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem); int drm_gem_shmem_pin(struct drm_gem_object *obj); void drm_gem_shmem_unpin(struct drm_gem_object *obj); -void *drm_gem_shmem_vmap(struct drm_gem_object *obj); -void drm_gem_shmem_vunmap(struct drm_gem_object *obj, void *vaddr); +int drm_gem_shmem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); +void drm_gem_shmem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map); int drm_gem_shmem_madvise(struct drm_gem_object *obj, int madv); diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 128f88174d32..c0d28ba0f5c9 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -10,6 +10,7 @@ #include #include +#include #include /* for container_of() */ struct drm_mode_create_dumb; @@ -29,9 +30,8 @@ struct vm_area_struct; /** * struct drm_gem_vram_object - GEM object backed by VRAM - * @gem: GEM object * @bo: TTM buffer object - * @kmap: Mapping information for @bo + * @map: Mapping information for @bo * @placement: TTM placement information. Supported placements are \ %TTM_PL_VRAM and %TTM_PL_SYSTEM * @placements: TTM placement information. @@ -50,15 +50,15 @@ struct vm_area_struct; */ struct drm_gem_vram_object { struct ttm_buffer_object bo; - struct ttm_bo_kmap_obj kmap; + struct dma_buf_map map; /** - * @kmap_use_count: + * @vmap_use_count: * * Reference count on the virtual address. * The address are un-mapped when the count reaches zero. */ - unsigned int kmap_use_count; + unsigned int vmap_use_count; /* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */ struct ttm_placement placement; @@ -97,8 +97,8 @@ u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo); s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo); int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag); int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo); -void *drm_gem_vram_vmap(struct drm_gem_vram_object *gbo); -void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, void *vaddr); +int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map); +void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map); int drm_gem_vram_fill_create_dumb(struct drm_file *file, struct drm_device *dev, -- cgit v1.2.3 From 64f2c15892ae9dd8f0073f576601b1c9582d823b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 4 Dec 2020 11:56:46 -0500 Subject: drm/amdgpu: remove amdgpu_ttm_late_init and amdgpu_bo_late_init MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No longer used. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 17 ----------------- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ------- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 1 - drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 -- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 -- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 -- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 -- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 -- 9 files changed, 36 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index fd7a93c32235..25ec4d57333f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1074,23 +1074,6 @@ int amdgpu_bo_init(struct amdgpu_device *adev) return amdgpu_ttm_init(adev); } -/** - * amdgpu_bo_late_init - late init - * @adev: amdgpu device object - * - * Calls amdgpu_ttm_late_init() to free resources used earlier during - * initialization. - * - * Returns: - * 0 for success or a negative error code on failure. - */ -int amdgpu_bo_late_init(struct amdgpu_device *adev) -{ - amdgpu_ttm_late_init(adev); - - return 0; -} - /** * amdgpu_bo_fini - tear down memory manager * @adev: amdgpu device object diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index a5a7992b5773..2bfef286fda4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -269,7 +269,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, void amdgpu_bo_unpin(struct amdgpu_bo *bo); int amdgpu_bo_evict_vram(struct amdgpu_device *adev); int amdgpu_bo_init(struct amdgpu_device *adev); -int amdgpu_bo_late_init(struct amdgpu_device *adev); void amdgpu_bo_fini(struct amdgpu_device *adev); int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo, struct vm_area_struct *vma); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 6be131df21f5..b719b4281cc9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -2021,13 +2021,6 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) return 0; } -/* - * amdgpu_ttm_late_init - Handle any late initialization for amdgpu_ttm - */ -void amdgpu_ttm_late_init(struct amdgpu_device *adev) -{ -} - /* * amdgpu_ttm_fini - De-initialize the TTM memory pools */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index bdca2970173e..d2987536d7cd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -131,7 +131,6 @@ int amdgpu_vram_mgr_query_page_status(struct ttm_resource_manager *man, uint64_t start); int amdgpu_ttm_init(struct amdgpu_device *adev); -void amdgpu_ttm_late_init(struct amdgpu_device *adev); void amdgpu_ttm_fini(struct amdgpu_device *adev); void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 11fedcf86fae..5648c48be77f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -717,8 +717,6 @@ static int gmc_v10_0_late_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; - amdgpu_bo_late_init(adev); - r = amdgpu_gmc_allocate_vm_inv_eng(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 998d6c8fde79..f5b69484c45a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -791,8 +791,6 @@ static int gmc_v6_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_bo_late_init(adev); - if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); else diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index d06e3f5e38ae..dee2b34effb6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -961,8 +961,6 @@ static int gmc_v7_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_bo_late_init(adev); - if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); else diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index e8d07109c628..2d832fc23119 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1062,8 +1062,6 @@ static int gmc_v8_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - amdgpu_bo_late_init(adev); - if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); else diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 07126b2b46c2..e1531d97f486 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1177,8 +1177,6 @@ static int gmc_v9_0_late_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; - amdgpu_bo_late_init(adev); - r = amdgpu_gmc_allocate_vm_inv_eng(adev); if (r) return r; -- cgit v1.2.3