diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 8d09f073119b..47b04f0e14ec 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -825,8 +825,9 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev) fw_inst_const_size); } - memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr, fw_bss_data, - fw_bss_data_size); + if (fw_bss_data_size) + memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr, + fw_bss_data, fw_bss_data_size); /* Copy firmware bios info into FB memory. */ memcpy(fb_info->fb[DMUB_WINDOW_3_VBIOS].cpu_addr, adev->bios, @@ -1265,6 +1266,10 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) adev->dm.dmub_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes) + le32_to_cpu(hdr->inst_const_bytes); + region_params.fw_inst_const = + adev->dm.dmub_fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes) + + PSP_HEADER_BYTES; status = dmub_srv_calc_region_info(dmub_srv, ®ion_params, ®ion_info); |