From: Evan Quan Date: Mon, 24 Feb 2020 09:06:41 +0000 (+0800) Subject: drm/amdgpu: update psp firmwares loading sequence V2 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=995da6cc4c47c05b16f2099caf99328cd9c719e1;p=uclinux-h8%2Flinux.git drm/amdgpu: update psp firmwares loading sequence V2 For those ASICs with DF Cstate management centralized to PMFW, TMR setup should be performed between pmfw loading and other non-psp firmwares loading. V2: skip possible SMU firmware reloading Signed-off-by: Evan Quan Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 51839ab02b84..d33f74100094 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -38,6 +38,39 @@ static void psp_set_funcs(struct amdgpu_device *adev); +/* + * Due to DF Cstate management centralized to PMFW, the firmware + * loading sequence will be updated as below: + * - Load KDB + * - Load SYS_DRV + * - Load tOS + * - Load PMFW + * - Setup TMR + * - Load other non-psp fw + * - Load ASD + * - Load XGMI/RAS/HDCP/DTM TA if any + * + * This new sequence is required for + * - Arcturus + * - Navi12 and onwards + */ +static void psp_check_pmfw_centralized_cstate_management(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + psp->pmfw_centralized_cstate_management = false; + + if (amdgpu_sriov_vf(adev)) + return; + + if (adev->flags & AMD_IS_APU) + return; + + if ((adev->asic_type == CHIP_ARCTURUS) || + (adev->asic_type >= CHIP_NAVI12)) + psp->pmfw_centralized_cstate_management = true; +} + static int psp_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -75,6 +108,8 @@ static int psp_early_init(void *handle) psp->adev = adev; + psp_check_pmfw_centralized_cstate_management(psp); + return 0; } @@ -1116,10 +1151,17 @@ static int psp_hw_start(struct psp_context *psp) return ret; } - ret = psp_tmr_load(psp); - if (ret) { - DRM_ERROR("PSP load tmr failed!\n"); - return ret; + /* + * For those ASICs with DF Cstate management centralized + * to PMFW, TMR setup should be performed after PMFW + * loaded and before other non-psp firmware loaded. + */ + if (!psp->pmfw_centralized_cstate_management) { + ret = psp_tmr_load(psp); + if (ret) { + DRM_ERROR("PSP load tmr failed!\n"); + return ret; + } } return 0; @@ -1316,7 +1358,8 @@ static int psp_np_fw_load(struct psp_context *psp) struct amdgpu_firmware_info *ucode; struct amdgpu_device* adev = psp->adev; - if (psp->autoload_supported) { + if (psp->autoload_supported || + psp->pmfw_centralized_cstate_management) { ucode = &adev->firmware.ucode[AMDGPU_UCODE_ID_SMC]; if (!ucode->fw || amdgpu_sriov_vf(adev)) goto out; @@ -1326,6 +1369,14 @@ static int psp_np_fw_load(struct psp_context *psp) return ret; } + if (psp->pmfw_centralized_cstate_management) { + ret = psp_tmr_load(psp); + if (ret) { + DRM_ERROR("PSP load tmr failed!\n"); + return ret; + } + } + out: for (i = 0; i < adev->firmware.max_ucodes; i++) { ucode = &adev->firmware.ucode[i]; @@ -1333,7 +1384,9 @@ out: continue; if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC && - (psp_smu_reload_quirk(psp) || psp->autoload_supported)) + (psp_smu_reload_quirk(psp) || + psp->autoload_supported || + psp->pmfw_centralized_cstate_management)) continue; if (amdgpu_sriov_vf(adev) && diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index c77e1abb538a..37fa184f27f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -264,6 +264,8 @@ struct psp_context atomic_t fence_value; /* flag to mark whether gfx fw autoload is supported or not */ bool autoload_supported; + /* flag to mark whether df cstate management centralized to PMFW */ + bool pmfw_centralized_cstate_management; /* xgmi ta firmware and buffer */ const struct firmware *ta_fw;