diff options
| author | Tianci.Yin <tianci.yin@amd.com> | 2019-09-30 14:16:42 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-17 16:31:19 -0400 |
| commit | a7d4c920f892cca5f5efb2bf9c76419dc4938058 (patch) | |
| tree | 08b1365619460eaee35bfcafc4e72b35a6848e80 /drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | |
| parent | e35e2b117f4dba2761d96e378c28734f6807f227 (diff) | |
drm/amdgpu: introduce psp_v11_0_is_sos_alive interface(v2)
introduce psp_v11_0_is_sos_alive func for common use.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index 04318cfd50a8..2ba0f68ced10 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -206,18 +206,26 @@ out: return err; } +static bool psp_v11_0_is_sos_alive(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t sol_reg; + + sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); + + return sol_reg != 0x0; +} + static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp) { int ret; uint32_t psp_gfxdrv_command_reg = 0; struct amdgpu_device *adev = psp->adev; - uint32_t sol_reg; /* Check tOS sign of life register to confirm sys driver and sOS * are already been loaded. */ - sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); - if (sol_reg) { + if (psp_v11_0_is_sos_alive(psp)) { psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); dev_info(adev->dev, "sos fw version = 0x%x.\n", psp->sos_fw_version); return 0; @@ -253,13 +261,11 @@ static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp) int ret; uint32_t psp_gfxdrv_command_reg = 0; struct amdgpu_device *adev = psp->adev; - uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. */ - sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); - if (sol_reg) { + if (psp_v11_0_is_sos_alive(psp)) { psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); dev_info(adev->dev, "sos fw version = 0x%x.\n", psp->sos_fw_version); return 0; @@ -297,13 +303,11 @@ static int psp_v11_0_bootloader_load_sos(struct psp_context *psp) int ret; unsigned int psp_gfxdrv_command_reg = 0; struct amdgpu_device *adev = psp->adev; - uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. */ - sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); - if (sol_reg) + if (psp_v11_0_is_sos_alive(psp)) return 0; /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */ |