drm/amdgpu: introduce a firmware debugfs to dump all current firmware versions

This patch implements the debugfs to dump all currect firmware
version:

root@jenkins-All-Series:/home/jenkins# cat /sys/kernel/debug/dri/0/amdgpu_firmware_info
VCE feature version: 0, firmware version: 0x34040300
UVD feature version: 0, firmware version: 0x01451000
MC feature version: 0, firmware version: 0x00000000
ME feature version: 37, firmware version: 0x00000093
PFP feature version: 37, firmware version: 0x000000da
CE feature version: 37, firmware version: 0x00000080
RLC feature version: 1, firmware version: 0x0000010e
MEC feature version: 37, firmware version: 0x0000029e
MEC2 feature version: 37, firmware version: 0x0000029e
SMC feature version: 0, firmware version: 0x013353e6
SDMA0 feature version: 31, firmware version: 0x00000036
SDMA1 feature version: 0, firmware version: 0x00000036

Suggested-by: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 127 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 56c857f6e7ca..f6c89fa63ea7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -768,3 +768,130 @@ const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
 };
 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
+
+/*
+ * Debugfs info
+ */
+#if defined(CONFIG_DEBUG_FS)
+
+static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
+{
+        struct drm_info_node *node = (struct drm_info_node *) m->private;
+        struct drm_device *dev = node->minor->dev;
+        struct amdgpu_device *adev = dev->dev_private;
+        struct drm_amdgpu_info_firmware fw_info;
+        struct drm_amdgpu_query_fw query_fw;
+        int ret, i;
+
+        /* VCE */
+        query_fw.fw_type = AMDGPU_INFO_FW_VCE;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* UVD */
+        query_fw.fw_type = AMDGPU_INFO_FW_UVD;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* GMC */
+        query_fw.fw_type = AMDGPU_INFO_FW_GMC;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* ME */
+        query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* PFP */
+        query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* CE */
+        query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* RLC */
+        query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* MEC */
+        query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
+        query_fw.index = 0;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* MEC2 */
+        if (adev->asic_type == CHIP_KAVERI ||
+            (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
+                query_fw.index = 1;
+                ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+                if (ret)
+                        return ret;
+                seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
+                           fw_info.feature, fw_info.ver);
+        }
+
+        /* SMC */
+        query_fw.fw_type = AMDGPU_INFO_FW_SMC;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
+        /* SDMA */
+        query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
+        for (i = 0; i < adev->sdma.num_instances; i++) {
+                query_fw.index = i;
+                ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+                if (ret)
+                        return ret;
+                seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
+                           i, fw_info.feature, fw_info.ver);
+        }
+
+        return 0;
+}
+
+static const struct drm_info_list amdgpu_firmware_info_list[] = {
+        {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
+};
+#endif
+
+int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
+{
+#if defined(CONFIG_DEBUG_FS)
+        return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
+                                        ARRAY_SIZE(amdgpu_firmware_info_list));
+#else
+        return 0;
+#endif
+}