leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu/psp_v3_1: Get psp fw version through reading register

Browse Source 
If PSP FW is running already, driver will not load PSP FW again and skip
it. So psp fw version is not correct if reading it from FW binary file,
need to get right version from register.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2018-12-12 18:08:24 +08:00 committed by Alex Deucher
parent 07944623c7
commit e30c50cd79
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
View File

@ -240,8 +240,11 @@ static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
* are already been loaded.
*/
sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
if (sol_reg)
if (sol_reg) {
psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
return 0;
}
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),