diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 34 |
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; } |