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authorDave Airlie <airlied@redhat.com>2021-07-08 11:16:33 +1000
committerDave Airlie <airlied@redhat.com>2021-07-08 11:17:32 +1000
commit21c355b09711e95f8f0e7c1890b343c6cd350042 (patch)
tree6a836154558c8504e8cb68c0bfd5b4d358af5cf4 /drivers/gpu/drm/radeon
parent5cebdea6f8cea0d167bf0b3535f9905c67e76e00 (diff)
parentf18f58012ee894039cd59ee8c889bf499d7a3943 (diff)
Merge tag 'drm-misc-next-fixes-2021-07-01' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
Short summary of fixes pull: * amdgpu: TTM fixes * dma-buf: Doc fixes * gma500: Fix potential BO leaks in error handling * radeon: Fix NULL-ptr deref Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YN2GK2SH64yqXqh9@linux-uq9g
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c29
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c13
3 files changed, 23 insertions, 21 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index bfaaa3c969a3..56ede9d63b12 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -49,23 +49,23 @@ static void radeon_bo_clear_surface_reg(struct radeon_bo *bo);
* function are calling it.
*/
-static void radeon_update_memory_usage(struct radeon_bo *bo,
- unsigned mem_type, int sign)
+static void radeon_update_memory_usage(struct ttm_buffer_object *bo,
+ unsigned int mem_type, int sign)
{
- struct radeon_device *rdev = bo->rdev;
+ struct radeon_device *rdev = radeon_get_rdev(bo->bdev);
switch (mem_type) {
case TTM_PL_TT:
if (sign > 0)
- atomic64_add(bo->tbo.base.size, &rdev->gtt_usage);
+ atomic64_add(bo->base.size, &rdev->gtt_usage);
else
- atomic64_sub(bo->tbo.base.size, &rdev->gtt_usage);
+ atomic64_sub(bo->base.size, &rdev->gtt_usage);
break;
case TTM_PL_VRAM:
if (sign > 0)
- atomic64_add(bo->tbo.base.size, &rdev->vram_usage);
+ atomic64_add(bo->base.size, &rdev->vram_usage);
else
- atomic64_sub(bo->tbo.base.size, &rdev->vram_usage);
+ atomic64_sub(bo->base.size, &rdev->vram_usage);
break;
}
}
@@ -76,8 +76,6 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo)
bo = container_of(tbo, struct radeon_bo, tbo);
- radeon_update_memory_usage(bo, bo->tbo.resource->mem_type, -1);
-
mutex_lock(&bo->rdev->gem.mutex);
list_del_init(&bo->list);
mutex_unlock(&bo->rdev->gem.mutex);
@@ -727,24 +725,21 @@ int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
}
void radeon_bo_move_notify(struct ttm_buffer_object *bo,
- bool evict,
+ unsigned int old_type,
struct ttm_resource *new_mem)
{
struct radeon_bo *rbo;
+ radeon_update_memory_usage(bo, old_type, -1);
+ if (new_mem)
+ radeon_update_memory_usage(bo, new_mem->mem_type, 1);
+
if (!radeon_ttm_bo_is_radeon_bo(bo))
return;
rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 1);
radeon_vm_bo_invalidate(rbo->rdev, rbo);
-
- /* update statistics */
- if (!new_mem)
- return;
-
- radeon_update_memory_usage(rbo, bo->resource->mem_type, -1);
- radeon_update_memory_usage(rbo, new_mem->mem_type, 1);
}
vm_fault_t radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 1739c6a142cd..1afc7992ef91 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -161,7 +161,7 @@ extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
bool force_drop);
extern void radeon_bo_move_notify(struct ttm_buffer_object *bo,
- bool evict,
+ unsigned int old_type,
struct ttm_resource *new_mem);
extern vm_fault_t radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index ad2a5a791bba..a06d4cc2fb1c 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -199,7 +199,7 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
struct ttm_resource *old_mem = bo->resource;
struct radeon_device *rdev;
struct radeon_bo *rbo;
- int r;
+ int r, old_type;
if (new_mem->mem_type == TTM_PL_TT) {
r = radeon_ttm_tt_bind(bo->bdev, bo->ttm, new_mem);
@@ -216,6 +216,9 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
if (WARN_ON_ONCE(rbo->tbo.pin_count > 0))
return -EINVAL;
+ /* Save old type for statistics update */
+ old_type = old_mem->mem_type;
+
rdev = radeon_get_rdev(bo->bdev);
if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
ttm_bo_move_null(bo, new_mem);
@@ -261,7 +264,7 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
out:
/* update statistics */
atomic64_add(bo->base.size, &rdev->num_bytes_moved);
- radeon_bo_move_notify(bo, evict, new_mem);
+ radeon_bo_move_notify(bo, old_type, new_mem);
return 0;
}
@@ -682,7 +685,11 @@ bool radeon_ttm_tt_is_readonly(struct radeon_device *rdev,
static void
radeon_bo_delete_mem_notify(struct ttm_buffer_object *bo)
{
- radeon_bo_move_notify(bo, false, NULL);
+ unsigned int old_type = TTM_PL_SYSTEM;
+
+ if (bo->resource)
+ old_type = bo->resource->mem_type;
+ radeon_bo_move_notify(bo, old_type, NULL);
}
static struct ttm_device_funcs radeon_bo_driver = {