From 1f0674fd5c536be4462cad2bfdfc8f1648039ab5 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas Date: Thu, 28 Nov 2019 15:21:26 -0500 Subject: drm/amd/display: Get cache window sizes from DMCUB firmware [Why] Firmware state and tracebuffer shouldn't be considered stable API between firmware versions. Driver shouldn't be querying anything from firmware state or tracebuffer outside of debugging. Commands are the stable API for this once we have the outbox. [How] Add metadata struct to the end of the data firmware that describes fw_state_size and some reserved area for future use. Drop the tracebuffer and firmware state headers since they can differ per version. Signed-off-by: Nicholas Kazlauskas Reviewed-by: Tony Cheng Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c') 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 8786b5a9e43c..4e6bad165c74 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1234,6 +1234,10 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) PSP_HEADER_BYTES - PSP_FOOTER_BYTES; region_params.bss_data_size = le32_to_cpu(hdr->bss_data_bytes); region_params.vbios_size = adev->bios_size; + region_params.fw_bss_data = + adev->dm.dmub_fw->data + + le32_to_cpu(hdr->header.ucode_array_offset_bytes) + + le32_to_cpu(hdr->inst_const_bytes); status = dmub_srv_calc_region_info(dmub_srv, ®ion_params, ®ion_info); -- cgit v1.2.3