diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index 6cc05d36e359..a9be7a505026 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -142,19 +142,43 @@ static int psp_v11_0_init_microcode(struct psp_context *psp) return err; } -static int psp_v11_0_wait_for_bootloader(struct psp_context *psp) +static int psp_v11_wait_for_tos_unload(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; + uint32_t sol_reg1, sol_reg2; + int retry_loop; + + /* Wait for the TOS to be unloaded */ + for (retry_loop = 0; retry_loop < 20; retry_loop++) { + sol_reg1 = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); + usleep_range(1000, 2000); + sol_reg2 = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); + if (sol_reg1 == sol_reg2) + return 0; + } + dev_err(adev->dev, "TOS unload failed, C2PMSG_33: %x C2PMSG_81: %x", + RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_33), + RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81)); + return -ETIME; +} + +static int psp_v11_0_wait_for_bootloader(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; int ret; int retry_loop; - for (retry_loop = 0; retry_loop < 10; retry_loop++) { + /* For a reset done at the end of S3, only wait for TOS to be unloaded */ + if (adev->in_s3 && !(adev->flags & AMD_IS_APU) && amdgpu_in_reset(adev)) + return psp_v11_wait_for_tos_unload(psp); + + for (retry_loop = 0; retry_loop < 20; retry_loop++) { /* 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), - 0x80000000, 0x80000000, PSP_WAITREG_NOVERBOSE); + 0x80000000, 0x8000FFFF, PSP_WAITREG_NOVERBOSE); if (ret == 0) return 0; @@ -397,18 +421,6 @@ static int psp_v11_0_mode1_reset(struct psp_context *psp) msleep(500); - offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33); - - ret = psp_wait_for(psp, offset, MBOX_TOS_RESP_FLAG, MBOX_TOS_RESP_MASK, - 0); - - if (ret) { - DRM_INFO("psp mode 1 reset failed!\n"); - return -EINVAL; - } - - DRM_INFO("psp mode1 reset succeed \n"); - return 0; } @@ -665,7 +677,8 @@ static const struct psp_funcs psp_v11_0_funcs = { .ring_get_wptr = psp_v11_0_ring_get_wptr, .ring_set_wptr = psp_v11_0_ring_set_wptr, .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw, - .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw + .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw, + .wait_for_bootloader = psp_v11_0_wait_for_bootloader }; void psp_v11_0_set_psp_funcs(struct psp_context *psp) |