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From: Hawking Zhang <Hawking.Zhang@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Subject: [PATCH 3/8] drm/amdgpu: add helper function to query gecc status in boot config
Date: Fri, 11 Jun 2021 15:05:41 +0800	[thread overview]
Message-ID: <1623395146-2162-3-git-send-email-Hawking.Zhang@amd.com> (raw)
In-Reply-To: <1623395146-2162-1-git-send-email-Hawking.Zhang@amd.com>

Query GECC enablement status in boot config

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index a8856697733e..d509d52dd235 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -535,6 +535,29 @@ int psp_get_fw_attestation_records_addr(struct psp_context *psp,
 	return ret;
 }
 
+static int psp_boot_config_get(struct amdgpu_device *adev, uint32_t *boot_cfg)
+{
+	struct psp_context *psp = &adev->psp;
+	struct psp_gfx_cmd_resp *cmd = psp->cmd;
+	int ret;
+
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
+	cmd->cmd_id = GFX_CMD_ID_BOOT_CFG;
+	cmd->cmd.boot_cfg.sub_cmd = BOOTCFG_CMD_GET;
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+	if (!ret) {
+		*boot_cfg =
+			(cmd->resp.uresp.boot_cfg.boot_cfg & BOOT_CONFIG_GECC) ? 1 : 0;
+	}
+
+	return ret;
+}
+
 static int psp_boot_config_set(struct amdgpu_device *adev, uint32_t boot_cfg)
 {
 	struct psp_context *psp = &adev->psp;
-- 
2.17.1

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  parent reply	other threads:[~2021-06-11  7:06 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-11  7:05 [PATCH 1/8] drm/amdgpu: update psp gfx i/f to support dynamic GECC Hawking Zhang
2021-06-11  7:05 ` [PATCH 2/8] drm/amdgpu: allow different boot configs Hawking Zhang
2021-06-11  7:05 ` Hawking Zhang [this message]
2021-06-11  7:05 ` [PATCH 4/8] drm/amdgpu: enable dynamic GECC support (v2) Hawking Zhang
2021-06-11  7:05 ` [PATCH 5/8] drm/amdgpu: add psp runtime db structures Hawking Zhang
2021-06-11  7:05 ` [PATCH 6/8] drm/amdgpu: add helper function to query psp runtime db entry (v2) Hawking Zhang
2021-06-30 11:08   ` Michel Dänzer
2021-06-11  7:05 ` [PATCH 7/8] drm/amdgpu: cache psp runtime boot_cfg_bitmask in sw_int Hawking Zhang
2021-06-11  7:05 ` [PATCH 8/8] drm/amdgpu: disable DRAM memory training when GECC is enabled Hawking Zhang

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