aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_uvd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_uvd.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c50
1 files changed, 35 insertions, 15 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 1b3a91bf1a9d..97002a08211f 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -55,7 +55,6 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work);
int radeon_uvd_init(struct radeon_device *rdev)
{
struct platform_device *pdev;
- const struct firmware *fw;
unsigned long bo_size;
const char *fw_name;
int i, r;
@@ -105,7 +104,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
return -EINVAL;
}
- r = request_firmware(&fw, fw_name, &pdev->dev);
+ r = request_firmware(&rdev->uvd_fw, fw_name, &pdev->dev);
if (r) {
dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
fw_name);
@@ -115,7 +114,7 @@ int radeon_uvd_init(struct radeon_device *rdev)
platform_device_unregister(pdev);
- bo_size = RADEON_GPU_PAGE_ALIGN(fw->size + 8) +
+ bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE;
r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo);
@@ -148,12 +147,6 @@ int radeon_uvd_init(struct radeon_device *rdev)
radeon_bo_unreserve(rdev->uvd.vcpu_bo);
- rdev->uvd.fw_size = fw->size;
- memset(rdev->uvd.cpu_addr, 0, bo_size);
- memcpy(rdev->uvd.cpu_addr, fw->data, fw->size);
-
- release_firmware(fw);
-
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
atomic_set(&rdev->uvd.handles[i], 0);
rdev->uvd.filp[i] = NULL;
@@ -177,33 +170,60 @@ void radeon_uvd_fini(struct radeon_device *rdev)
}
radeon_bo_unref(&rdev->uvd.vcpu_bo);
+
+ release_firmware(rdev->uvd_fw);
}
int radeon_uvd_suspend(struct radeon_device *rdev)
{
unsigned size;
+ void *ptr;
+ int i;
if (rdev->uvd.vcpu_bo == NULL)
return 0;
+ for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i)
+ if (atomic_read(&rdev->uvd.handles[i]))
+ break;
+
+ if (i == RADEON_MAX_UVD_HANDLES)
+ return 0;
+
size = radeon_bo_size(rdev->uvd.vcpu_bo);
+ size -= rdev->uvd_fw->size;
+
+ ptr = rdev->uvd.cpu_addr;
+ ptr += rdev->uvd_fw->size;
+
rdev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
- memcpy(rdev->uvd.saved_bo, rdev->uvd.cpu_addr, size);
+ memcpy(rdev->uvd.saved_bo, ptr, size);
return 0;
}
int radeon_uvd_resume(struct radeon_device *rdev)
{
+ unsigned size;
+ void *ptr;
+
if (rdev->uvd.vcpu_bo == NULL)
return -EINVAL;
+ memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size);
+
+ size = radeon_bo_size(rdev->uvd.vcpu_bo);
+ size -= rdev->uvd_fw->size;
+
+ ptr = rdev->uvd.cpu_addr;
+ ptr += rdev->uvd_fw->size;
+
if (rdev->uvd.saved_bo != NULL) {
- unsigned size = radeon_bo_size(rdev->uvd.vcpu_bo);
- memcpy(rdev->uvd.cpu_addr, rdev->uvd.saved_bo, size);
+ memcpy(ptr, rdev->uvd.saved_bo, size);
kfree(rdev->uvd.saved_bo);
rdev->uvd.saved_bo = NULL;
- }
+ } else
+ memset(ptr, 0, size);
return 0;
}
@@ -218,8 +238,8 @@ void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp)
{
int i, r;
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
- if (rdev->uvd.filp[i] == filp) {
- uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+ uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+ if (handle != 0 && rdev->uvd.filp[i] == filp) {
struct radeon_fence *fence;
r = radeon_uvd_get_destroy_msg(rdev,