From 1104d1e9d3af20b10fefbf672a6828bdd2467903 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 31 Dec 2017 22:02:35 +0100 Subject: [PATCH] winsys/radeon: add struct radeon_vm_heap Reviewed-by: Samuel Pitoiset --- src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 63 ++++++++++--------- .../winsys/radeon/drm/radeon_drm_winsys.c | 9 +-- .../winsys/radeon/drm/radeon_drm_winsys.h | 11 +++- 3 files changed, 47 insertions(+), 36 deletions(-) diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c index 7aef238c847..bbfe5cc7884 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c @@ -198,7 +198,8 @@ static enum radeon_bo_domain radeon_bo_get_initial_domain( return get_valid_domain(args.value); } -static uint64_t radeon_bomgr_find_va(struct radeon_drm_winsys *rws, +static uint64_t radeon_bomgr_find_va(const struct radeon_info *info, + struct radeon_vm_heap *heap, uint64_t size, uint64_t alignment) { struct radeon_bo_va_hole *hole, *n; @@ -207,11 +208,11 @@ static uint64_t radeon_bomgr_find_va(struct radeon_drm_winsys *rws, /* All VM address space holes will implicitly start aligned to the * size alignment, so we don't need to sanitize the alignment here */ - size = align(size, rws->info.gart_page_size); + size = align(size, info->gart_page_size); - mtx_lock(&rws->bo_va_mutex); + mtx_lock(&heap->mutex); /* first look for a hole */ - LIST_FOR_EACH_ENTRY_SAFE(hole, n, &rws->va_holes, list) { + LIST_FOR_EACH_ENTRY_SAFE(hole, n, &heap->holes, list) { offset = hole->offset; waste = offset % alignment; waste = waste ? alignment - waste : 0; @@ -223,7 +224,7 @@ static uint64_t radeon_bomgr_find_va(struct radeon_drm_winsys *rws, offset = hole->offset; list_del(&hole->list); FREE(hole); - mtx_unlock(&rws->bo_va_mutex); + mtx_unlock(&heap->mutex); return offset; } if ((hole->size - waste) > size) { @@ -235,46 +236,47 @@ static uint64_t radeon_bomgr_find_va(struct radeon_drm_winsys *rws, } hole->size -= (size + waste); hole->offset += size + waste; - mtx_unlock(&rws->bo_va_mutex); + mtx_unlock(&heap->mutex); return offset; } if ((hole->size - waste) == size) { hole->size = waste; - mtx_unlock(&rws->bo_va_mutex); + mtx_unlock(&heap->mutex); return offset; } } - offset = rws->va_offset; + offset = heap->start; waste = offset % alignment; waste = waste ? alignment - waste : 0; if (waste) { n = CALLOC_STRUCT(radeon_bo_va_hole); n->size = waste; n->offset = offset; - list_add(&n->list, &rws->va_holes); + list_add(&n->list, &heap->holes); } offset += waste; - rws->va_offset += size + waste; - mtx_unlock(&rws->bo_va_mutex); + heap->start += size + waste; + mtx_unlock(&heap->mutex); return offset; } -static void radeon_bomgr_free_va(struct radeon_drm_winsys *rws, +static void radeon_bomgr_free_va(const struct radeon_info *info, + struct radeon_vm_heap *heap, uint64_t va, uint64_t size) { struct radeon_bo_va_hole *hole = NULL; - size = align(size, rws->info.gart_page_size); + size = align(size, info->gart_page_size); - mtx_lock(&rws->bo_va_mutex); - if ((va + size) == rws->va_offset) { - rws->va_offset = va; + mtx_lock(&heap->mutex); + if ((va + size) == heap->start) { + heap->start = va; /* Delete uppermost hole if it reaches the new top */ - if (!LIST_IS_EMPTY(&rws->va_holes)) { - hole = container_of(rws->va_holes.next, hole, list); + if (!LIST_IS_EMPTY(&heap->holes)) { + hole = container_of(heap->holes.next, hole, list); if ((hole->offset + hole->size) == va) { - rws->va_offset = hole->offset; + heap->start = hole->offset; list_del(&hole->list); FREE(hole); } @@ -282,20 +284,20 @@ static void radeon_bomgr_free_va(struct radeon_drm_winsys *rws, } else { struct radeon_bo_va_hole *next; - hole = container_of(&rws->va_holes, hole, list); - LIST_FOR_EACH_ENTRY(next, &rws->va_holes, list) { + hole = container_of(&heap->holes, hole, list); + LIST_FOR_EACH_ENTRY(next, &heap->holes, list) { if (next->offset < va) break; hole = next; } - if (&hole->list != &rws->va_holes) { + if (&hole->list != &heap->holes) { /* Grow upper hole if it's adjacent */ if (hole->offset == (va + size)) { hole->offset = va; hole->size += size; /* Merge lower hole if it's adjacent */ - if (next != hole && &next->list != &rws->va_holes && + if (next != hole && &next->list != &heap->holes && (next->offset + next->size) == va) { next->size += hole->size; list_del(&hole->list); @@ -306,7 +308,7 @@ static void radeon_bomgr_free_va(struct radeon_drm_winsys *rws, } /* Grow lower hole if it's adjacent */ - if (next != hole && &next->list != &rws->va_holes && + if (next != hole && &next->list != &heap->holes && (next->offset + next->size) == va) { next->size += size; goto out; @@ -323,7 +325,7 @@ static void radeon_bomgr_free_va(struct radeon_drm_winsys *rws, } } out: - mtx_unlock(&rws->bo_va_mutex); + mtx_unlock(&heap->mutex); } void radeon_bo_destroy(struct pb_buffer *_buf) @@ -368,7 +370,7 @@ void radeon_bo_destroy(struct pb_buffer *_buf) } } - radeon_bomgr_free_va(rws, bo->va, bo->base.size); + radeon_bomgr_free_va(&rws->info, &rws->vm64, bo->va, bo->base.size); } /* Close object. */ @@ -658,7 +660,8 @@ static struct radeon_bo *radeon_create_bo(struct radeon_drm_winsys *rws, unsigned va_gap_size; va_gap_size = rws->check_vm ? MAX2(4 * alignment, 64 * 1024) : 0; - bo->va = radeon_bomgr_find_va(rws, size + va_gap_size, alignment); + bo->va = radeon_bomgr_find_va(&rws->info, &rws->vm64, + size + va_gap_size, alignment); va.handle = bo->handle; va.vm_id = 0; @@ -1059,7 +1062,8 @@ static struct pb_buffer *radeon_winsys_bo_from_ptr(struct radeon_winsys *rws, if (ws->info.has_virtual_memory) { struct drm_radeon_gem_va va; - bo->va = radeon_bomgr_find_va(ws, bo->base.size, 1 << 20); + bo->va = radeon_bomgr_find_va(&ws->info, &ws->vm64, + bo->base.size, 1 << 20); va.handle = bo->handle; va.operation = RADEON_VA_MAP; @@ -1202,7 +1206,8 @@ done: if (ws->info.has_virtual_memory && !bo->va) { struct drm_radeon_gem_va va; - bo->va = radeon_bomgr_find_va(ws, bo->base.size, 1 << 20); + bo->va = radeon_bomgr_find_va(&ws->info, &ws->vm64, + bo->base.size, 1 << 20); va.handle = bo->handle; va.operation = RADEON_VA_MAP; diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c index 617507ccd23..4fe36dc3f25 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c +++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c @@ -553,7 +553,7 @@ static void radeon_winsys_destroy(struct radeon_winsys *rws) util_hash_table_destroy(ws->bo_handles); util_hash_table_destroy(ws->bo_vas); mtx_destroy(&ws->bo_handles_mutex); - mtx_destroy(&ws->bo_va_mutex); + mtx_destroy(&ws->vm64.mutex); mtx_destroy(&ws->bo_fence_lock); if (ws->fd >= 0) @@ -816,10 +816,11 @@ radeon_drm_winsys_create(int fd, const struct pipe_screen_config *config, ws->bo_handles = util_hash_table_create(handle_hash, handle_compare); ws->bo_vas = util_hash_table_create(handle_hash, handle_compare); (void) mtx_init(&ws->bo_handles_mutex, mtx_plain); - (void) mtx_init(&ws->bo_va_mutex, mtx_plain); + (void) mtx_init(&ws->vm64.mutex, mtx_plain); (void) mtx_init(&ws->bo_fence_lock, mtx_plain); - ws->va_offset = ws->va_start; - list_inithead(&ws->va_holes); + list_inithead(&ws->vm64.holes); + + ws->vm64.start = ws->va_start; /* TTM aligns the BO size to the CPU page size */ ws->info.gart_page_size = sysconf(_SC_PAGESIZE); diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h index dd6e19a946e..c65f5cb7108 100644 --- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h +++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h @@ -45,6 +45,12 @@ enum radeon_generation { #define RADEON_SLAB_MIN_SIZE_LOG2 9 #define RADEON_SLAB_MAX_SIZE_LOG2 14 +struct radeon_vm_heap { + mtx_t mutex; + uint64_t start; + struct list_head holes; +}; + struct radeon_drm_winsys { struct radeon_winsys base; struct pipe_reference reference; @@ -76,11 +82,10 @@ struct radeon_drm_winsys { /* List of buffer virtual memory ranges. Protectded by bo_handles_mutex. */ struct util_hash_table *bo_vas; mtx_t bo_handles_mutex; - mtx_t bo_va_mutex; mtx_t bo_fence_lock; - uint64_t va_offset; - struct list_head va_holes; + struct radeon_vm_heap vm64; + bool check_vm; struct radeon_surface_manager *surf_man; -- 2.30.2