diff options
| author | Leo Liu <leo.liu@amd.com> | 2016-04-04 17:55:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-04-05 00:01:00 +0300 |
| commit | d23be4e34c2bcbcb37cba10bf0f2b9f5c23ac90e (patch) | |
| tree | 679a2cf230b49368c8414de3692b3f0b131bfc0f /drivers/gpu/drm | |
| parent | 3f99dd814a6fdf9e06562f210b8e7702db9e9158 (diff) | |
| download | linux-d23be4e34c2bcbcb37cba10bf0f2b9f5c23ac90e.tar.xz | |
drm/amdgpu: save and restore the firwmware cache part when suspend resume
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 4b8ca3515fbc..338da80006b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -243,7 +243,6 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev) { unsigned size; void *ptr; - const struct common_firmware_header *hdr; int i; if (adev->uvd.vcpu_bo == NULL) @@ -256,13 +255,8 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev) if (i == AMDGPU_MAX_UVD_HANDLES) return 0; - hdr = (const struct common_firmware_header *)adev->uvd.fw->data; - size = amdgpu_bo_size(adev->uvd.vcpu_bo); - size -= le32_to_cpu(hdr->ucode_size_bytes); - ptr = adev->uvd.cpu_addr; - ptr += le32_to_cpu(hdr->ucode_size_bytes); adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); if (!adev->uvd.saved_bo) @@ -277,28 +271,29 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev) { unsigned size; void *ptr; - const struct common_firmware_header *hdr; - unsigned offset; if (adev->uvd.vcpu_bo == NULL) return -EINVAL; - hdr = (const struct common_firmware_header *)adev->uvd.fw->data; - offset = le32_to_cpu(hdr->ucode_array_offset_bytes); - memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, - (adev->uvd.fw->size) - offset); - size = amdgpu_bo_size(adev->uvd.vcpu_bo); - size -= le32_to_cpu(hdr->ucode_size_bytes); ptr = adev->uvd.cpu_addr; - ptr += le32_to_cpu(hdr->ucode_size_bytes); if (adev->uvd.saved_bo != NULL) { memcpy(ptr, adev->uvd.saved_bo, size); kfree(adev->uvd.saved_bo); adev->uvd.saved_bo = NULL; - } else + } else { + const struct common_firmware_header *hdr; + unsigned offset; + + hdr = (const struct common_firmware_header *)adev->uvd.fw->data; + offset = le32_to_cpu(hdr->ucode_array_offset_bytes); + memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, + (adev->uvd.fw->size) - offset); + size -= le32_to_cpu(hdr->ucode_size_bytes); + ptr += le32_to_cpu(hdr->ucode_size_bytes); memset(ptr, 0, size); + } return 0; } |