diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vce_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c index 0b7fcc1b6c00..1ecd6bb90c1f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c @@ -419,15 +419,19 @@ static int vce_v4_0_sw_init(void *handle) if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { const struct common_firmware_header *hdr; + unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo); + + adev->vce.saved_bo = kmalloc(size, GFP_KERNEL); + if (!adev->vce.saved_bo) + return -ENOMEM; + hdr = (const struct common_firmware_header *)adev->vce.fw->data; adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].ucode_id = AMDGPU_UCODE_ID_VCE; adev->firmware.ucode[AMDGPU_UCODE_ID_VCE].fw = adev->vce.fw; adev->firmware.fw_size += ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE); DRM_INFO("PSP loading VCE firmware\n"); - } - - if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { + } else { r = amdgpu_vce_resume(adev); if (r) return r; @@ -466,6 +470,11 @@ static int vce_v4_0_sw_fini(void *handle) /* free MM table */ amdgpu_virt_free_mm_table(adev); + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + kfree(adev->vce.saved_bo); + adev->vce.saved_bo = NULL; + } + r = amdgpu_vce_suspend(adev); if (r) return r; @@ -522,8 +531,18 @@ static int vce_v4_0_hw_fini(void *handle) static int vce_v4_0_suspend(void *handle) { - int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int r; + + if (adev->vce.vcpu_bo == NULL) + return 0; + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo); + void *ptr = adev->vce.cpu_addr; + + memcpy_fromio(adev->vce.saved_bo, ptr, size); + } r = vce_v4_0_hw_fini(adev); if (r) @@ -534,12 +553,22 @@ static int vce_v4_0_suspend(void *handle) static int vce_v4_0_resume(void *handle) { - int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int r; - r = amdgpu_vce_resume(adev); - if (r) - return r; + if (adev->vce.vcpu_bo == NULL) + return -EINVAL; + + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { + unsigned size = amdgpu_bo_size(adev->vce.vcpu_bo); + void *ptr = adev->vce.cpu_addr; + + memcpy_toio(ptr, adev->vce.saved_bo, size); + } else { + r = amdgpu_vce_resume(adev); + if (r) + return r; + } return vce_v4_0_hw_init(adev); } |