From 0b8793f6e7fc097c112f1848aa7dab60b9ede5a7 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 21 Sep 2020 13:18:02 +0200 Subject: drm/radeon: 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 Reviewed-by: Dave Airlie Reviewed-by: Huang Rui Link: https://patchwork.freedesktop.org/patch/391610/?series=81973&rev=1 --- drivers/gpu/drm/radeon/radeon.h | 1 - drivers/gpu/drm/radeon/radeon_display.c | 9 ++------ drivers/gpu/drm/radeon/radeon_object.c | 37 ++++++++------------------------- drivers/gpu/drm/radeon/radeon_object.h | 2 +- drivers/gpu/drm/radeon/radeon_ttm.c | 2 +- 5 files changed, 13 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index a6d8de01194a..5d54bccebd4d 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -497,7 +497,6 @@ struct radeon_bo { struct ttm_buffer_object tbo; struct ttm_bo_kmap_obj kmap; u32 flags; - unsigned pin_count; void *kptr; u32 tiling_flags; u32 pitch; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 7b69d6dfe44a..3eacf33bbe48 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -273,10 +273,7 @@ static void radeon_unpin_work_func(struct work_struct *__work) /* unpin of the old buffer */ r = radeon_bo_reserve(work->old_rbo, false); if (likely(r == 0)) { - r = radeon_bo_unpin(work->old_rbo); - if (unlikely(r != 0)) { - DRM_ERROR("failed to unpin buffer after flip\n"); - } + radeon_bo_unpin(work->old_rbo); radeon_bo_unreserve(work->old_rbo); } else DRM_ERROR("failed to reserve buffer after flip\n"); @@ -607,9 +604,7 @@ pflip_cleanup: DRM_ERROR("failed to reserve new rbo in error path\n"); goto cleanup; } - if (unlikely(radeon_bo_unpin(new_rbo) != 0)) { - DRM_ERROR("failed to unpin new rbo in error path\n"); - } + radeon_bo_unpin(new_rbo); radeon_bo_unreserve(new_rbo); cleanup: diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 76dfed30d61c..689426dd8480 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -334,8 +334,8 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset, if (radeon_ttm_tt_has_userptr(bo->rdev, bo->tbo.ttm)) return -EPERM; - if (bo->pin_count) { - bo->pin_count++; + if (bo->tbo.pin_count) { + ttm_bo_pin(&bo->tbo); if (gpu_addr) *gpu_addr = radeon_bo_gpu_offset(bo); @@ -367,13 +367,11 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset, bo->rdev->mc.visible_vram_size >> PAGE_SHIFT; else bo->placements[i].lpfn = max_offset >> PAGE_SHIFT; - - bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT; } r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); if (likely(r == 0)) { - bo->pin_count = 1; + ttm_bo_pin(&bo->tbo); if (gpu_addr != NULL) *gpu_addr = radeon_bo_gpu_offset(bo); if (domain == RADEON_GEM_DOMAIN_VRAM) @@ -391,32 +389,15 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr) return radeon_bo_pin_restricted(bo, domain, 0, gpu_addr); } -int radeon_bo_unpin(struct radeon_bo *bo) +void radeon_bo_unpin(struct radeon_bo *bo) { - struct ttm_operation_ctx ctx = { false, false }; - int r, i; - - if (!bo->pin_count) { - dev_warn(bo->rdev->dev, "%p unpin not necessary\n", bo); - return 0; - } - bo->pin_count--; - if (bo->pin_count) - return 0; - for (i = 0; i < bo->placement.num_placement; i++) { - bo->placements[i].lpfn = 0; - bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT; - } - r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); - if (likely(r == 0)) { + ttm_bo_unpin(&bo->tbo); + if (!bo->tbo.pin_count) { if (bo->tbo.mem.mem_type == TTM_PL_VRAM) bo->rdev->vram_pin_size -= radeon_bo_size(bo); else bo->rdev->gart_pin_size -= radeon_bo_size(bo); - } else { - dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo); } - return r; } int radeon_bo_evict_vram(struct radeon_device *rdev) @@ -549,7 +530,7 @@ int radeon_bo_list_validate(struct radeon_device *rdev, list_for_each_entry(lobj, head, tv.head) { struct radeon_bo *bo = lobj->robj; - if (!bo->pin_count) { + if (!bo->tbo.pin_count) { u32 domain = lobj->preferred_domains; u32 allowed = lobj->allowed_domains; u32 current_domain = @@ -629,7 +610,7 @@ int radeon_bo_get_surface_reg(struct radeon_bo *bo) break; old_object = reg->bo; - if (old_object->pin_count == 0) + if (old_object->tbo.pin_count == 0) steal = i; } @@ -816,7 +797,7 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo) return 0; /* Can't move a pinned BO to visible VRAM */ - if (rbo->pin_count > 0) + if (rbo->tbo.pin_count > 0) return -EINVAL; /* hurrah the memory is not visible ! */ diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h index 430574caaf09..27cfb64057fe 100644 --- a/drivers/gpu/drm/radeon/radeon_object.h +++ b/drivers/gpu/drm/radeon/radeon_object.h @@ -146,7 +146,7 @@ extern void radeon_bo_unref(struct radeon_bo **bo); extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset, u64 *gpu_addr); -extern int radeon_bo_unpin(struct radeon_bo *bo); +extern void radeon_bo_unpin(struct radeon_bo *bo); extern int radeon_bo_evict_vram(struct radeon_device *rdev); extern void radeon_bo_force_delete(struct radeon_device *rdev); extern int radeon_bo_init(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 6869770e2eef..ea9ffa6198da 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -308,7 +308,7 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict, /* Can't move a pinned BO */ rbo = container_of(bo, struct radeon_bo, tbo); - if (WARN_ON_ONCE(rbo->pin_count > 0)) + if (WARN_ON_ONCE(rbo->tbo.pin_count > 0)) return -EINVAL; rdev = radeon_get_rdev(bo->bdev); -- cgit v1.2.3-59-g8ed1b