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

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: Xiangliang Yu <Xiangliang.Yu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiangliang Yu 2018-12-04 15:13:28 +08:00 committed by Alex Deucher
parent 07daa8a078
commit d63cda5bfc
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
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@ -171,8 +171,10 @@ static int psp_v11_0_bootloader_load_sysdrv(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);
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),