diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index f9ffe8ef0cd6..ff8efd0f8fd5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -71,19 +71,33 @@ int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev) struct atom_context *ctx = adev->mode_info.atom_context; int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, vram_usagebyfirmware); + struct vram_usagebyfirmware_v2_1 * firmware_usage; + uint32_t start_addr, size; uint16_t data_offset; int usage_bytes = 0; if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { - struct vram_usagebyfirmware_v2_1 *firmware_usage = - (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset); - + firmware_usage = (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset); DRM_DEBUG("atom firmware requested %08x %dkb fw %dkb drv\n", le32_to_cpu(firmware_usage->start_address_in_kb), le16_to_cpu(firmware_usage->used_by_firmware_in_kb), le16_to_cpu(firmware_usage->used_by_driver_in_kb)); - usage_bytes = le16_to_cpu(firmware_usage->used_by_driver_in_kb) * 1024; + start_addr = le32_to_cpu(firmware_usage->start_address_in_kb); + size = le16_to_cpu(firmware_usage->used_by_firmware_in_kb); + + if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) == + (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION << + ATOM_VRAM_OPERATION_FLAGS_SHIFT)) { + /* Firmware request VRAM reservation for SR-IOV */ + adev->fw_vram_usage.start_offset = (start_addr & + (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; + adev->fw_vram_usage.size = size << 10; + /* Use the default scratch size */ + usage_bytes = 0; + } else { + usage_bytes = le16_to_cpu(firmware_usage->used_by_driver_in_kb) << 10; + } } ctx->scratch_size_bytes = 0; if (usage_bytes == 0) |