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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index c1ee440a06fe..a1b15d0d6c48 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -182,11 +182,10 @@ static int amdgpu_gem_object_open(struct drm_gem_object *obj,
return r;
bo_va = amdgpu_vm_bo_find(vm, abo);
- if (!bo_va) {
+ if (!bo_va)
bo_va = amdgpu_vm_bo_add(adev, vm, abo);
- } else {
+ else
++bo_va->ref_count;
- }
amdgpu_bo_unreserve(abo);
return 0;
}
@@ -290,6 +289,10 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
uint32_t handle, initial_domain;
int r;
+ /* reject DOORBELLs until userspace code to use it is available */
+ if (args->in.domains & AMDGPU_GEM_DOMAIN_DOORBELL)
+ return -EINVAL;
+
/* reject invalid gem flags */
if (flags & ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
@@ -461,9 +464,9 @@ int amdgpu_mode_dumb_mmap(struct drm_file *filp,
struct amdgpu_bo *robj;
gobj = drm_gem_object_lookup(filp, handle);
- if (gobj == NULL) {
+ if (!gobj)
return -ENOENT;
- }
+
robj = gem_to_amdgpu_bo(gobj);
if (amdgpu_ttm_tt_get_usermm(robj->tbo.ttm) ||
(robj->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)) {
@@ -480,6 +483,7 @@ int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
{
union drm_amdgpu_gem_mmap *args = data;
uint32_t handle = args->in.handle;
+
memset(args, 0, sizeof(*args));
return amdgpu_mode_dumb_mmap(filp, dev, handle, &args->out.addr_ptr);
}
@@ -506,7 +510,7 @@ unsigned long amdgpu_gem_timeout(uint64_t timeout_ns)
timeout_jiffies = nsecs_to_jiffies(ktime_to_ns(timeout));
/* clamp timeout to avoid unsigned-> signed overflow */
- if (timeout_jiffies > MAX_SCHEDULE_TIMEOUT )
+ if (timeout_jiffies > MAX_SCHEDULE_TIMEOUT)
return MAX_SCHEDULE_TIMEOUT - 1;
return timeout_jiffies;
@@ -524,9 +528,9 @@ int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
long ret;
gobj = drm_gem_object_lookup(filp, handle);
- if (gobj == NULL) {
+ if (!gobj)
return -ENOENT;
- }
+
robj = gem_to_amdgpu_bo(gobj);
ret = dma_resv_wait_timeout(robj->tbo.base.resv, DMA_RESV_USAGE_READ,
true, timeout);
@@ -553,7 +557,7 @@ int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
struct amdgpu_bo *robj;
int r = -1;
- DRM_DEBUG("%d \n", args->handle);
+ DRM_DEBUG("%d\n", args->handle);
gobj = drm_gem_object_lookup(filp, args->handle);
if (gobj == NULL)
return -ENOENT;
@@ -680,7 +684,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
if (args->va_address < AMDGPU_VA_RESERVED_SIZE) {
dev_dbg(dev->dev,
- "va_address 0x%LX is in reserved area 0x%LX\n",
+ "va_address 0x%llx is in reserved area 0x%llx\n",
args->va_address, AMDGPU_VA_RESERVED_SIZE);
return -EINVAL;
}
@@ -688,7 +692,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
if (args->va_address >= AMDGPU_GMC_HOLE_START &&
args->va_address < AMDGPU_GMC_HOLE_END) {
dev_dbg(dev->dev,
- "va_address 0x%LX is in VA hole 0x%LX-0x%LX\n",
+ "va_address 0x%llx is in VA hole 0x%llx-0x%llx\n",
args->va_address, AMDGPU_GMC_HOLE_START,
AMDGPU_GMC_HOLE_END);
return -EINVAL;
@@ -808,9 +812,9 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
int r;
gobj = drm_gem_object_lookup(filp, args->handle);
- if (gobj == NULL) {
+ if (!gobj)
return -ENOENT;
- }
+
robj = gem_to_amdgpu_bo(gobj);
r = amdgpu_bo_reserve(robj, false);
@@ -936,9 +940,9 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
r = drm_gem_handle_create(file_priv, gobj, &handle);
/* drop reference from allocate - handle holds it now */
drm_gem_object_put(gobj);
- if (r) {
+ if (r)
return r;
- }
+
args->handle = handle;
return 0;
}