I don't claim that I understand all of the internals of fw version handling, but this looks really nice to me from a kernel perspective.

Feel free to add my Reviewed-by: Christian König <christian.koe...@amd.com>.

Regards,
Christian.

Am 14.05.19 um 12:19 schrieb Russell, Kent:
Looks fine to me, but hoping to get an RB from Christian now that we're moving 
them into a subfolder.

  Kent

-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Messinger, 
Ori
Sent: Thursday, May 9, 2019 4:35 PM
To: amd-gfx@lists.freedesktop.org
Cc: Messinger, Ori <ori.messin...@amd.com>
Subject: [PATCH] drm/amdgpu: Report firmware versions with sysfs v2

[CAUTION: External Email]

Firmware versions can be found as separate sysfs files at:
/sys/class/drm/cardX/device/fw_version (where X is the card number) The 
firmware versions are displayed in hexadecimal.
v2: Moved sysfs files to subfolder

Change-Id: I10cae4c0ca6f1b6a9ced07da143426e1d011e203
Signed-off-by: Ori Messinger <ori.messin...@amd.com>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  5 ++  
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c  | 63 ++++++++++++++++++++++  
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h  |  2 +
  3 files changed, 70 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index ec864740efb5..8c56c49c8dfc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2705,6 +2705,10 @@ int amdgpu_device_init(struct amdgpu_device *adev,
         if (r)
                 DRM_ERROR("registering pm debugfs failed (%d).\n", r);

+       r = amdgpu_ucode_sysfs_init(adev);
+       if (r)
+               DRM_ERROR("Creating firmware sysfs failed (%d).\n", r);
+
         r = amdgpu_debugfs_gem_init(adev);
         if (r)
                 DRM_ERROR("registering gem debugfs failed (%d).\n", r); @@ 
-2817,6 +2821,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
         amdgpu_device_doorbell_fini(adev);
         amdgpu_debugfs_regs_cleanup(adev);
         device_remove_file(adev->dev, &dev_attr_pcie_replay_count);
+       amdgpu_ucode_sysfs_fini(adev);
  }


diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index 7b33867036e7..33c1eb76c076 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -313,6 +313,69 @@ amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int 
load_type)
         return AMDGPU_FW_LOAD_DIRECT;
  }

+#define FW_VERSION_ATTR(name, mode, field)                             \
+static ssize_t show_##name(struct device *dev,                         \
+                         struct device_attribute *attr,                \
+                         char *buf)                                    \
+{                                                                      \
+       struct drm_device *ddev = dev_get_drvdata(dev);                 \
+       struct amdgpu_device *adev = ddev->dev_private;                 \
+                                                                       \
+       return snprintf(buf, PAGE_SIZE, "0x%08x\n", adev->field);       \
+}                                                                      \
+static DEVICE_ATTR(name, mode, show_##name, NULL)
+
+FW_VERSION_ATTR(vce_fw_version, 0444, vce.fw_version);
+FW_VERSION_ATTR(uvd_fw_version, 0444, uvd.fw_version);
+FW_VERSION_ATTR(mc_fw_version, 0444, gmc.fw_version);
+FW_VERSION_ATTR(me_fw_version, 0444, gfx.me_fw_version);
+FW_VERSION_ATTR(pfp_fw_version, 0444, gfx.pfp_fw_version);
+FW_VERSION_ATTR(ce_fw_version, 0444, gfx.ce_fw_version);
+FW_VERSION_ATTR(rlc_fw_version, 0444, gfx.rlc_fw_version);
+FW_VERSION_ATTR(rlc_srlc_fw_version, 0444, gfx.rlc_srlc_fw_version);
+FW_VERSION_ATTR(rlc_srlg_fw_version, 0444, gfx.rlc_srlg_fw_version);
+FW_VERSION_ATTR(rlc_srls_fw_version, 0444, gfx.rlc_srls_fw_version);
+FW_VERSION_ATTR(mec_fw_version, 0444, gfx.mec_fw_version);
+FW_VERSION_ATTR(mec2_fw_version, 0444, gfx.mec2_fw_version);
+FW_VERSION_ATTR(sos_fw_version, 0444, psp.sos_fw_version);
+FW_VERSION_ATTR(asd_fw_version, 0444, psp.asd_fw_version);
+FW_VERSION_ATTR(ta_ras_fw_version, 0444, psp.ta_fw_version);
+FW_VERSION_ATTR(ta_xgmi_fw_version, 0444, psp.ta_fw_version);
+FW_VERSION_ATTR(smc_fw_version, 0444, pm.fw_version);
+FW_VERSION_ATTR(sdma_fw_version, 0444, sdma.instance[0].fw_version);
+FW_VERSION_ATTR(sdma2_fw_version, 0444, sdma.instance[1].fw_version);
+FW_VERSION_ATTR(vcn_fw_version, 0444, vcn.fw_version);
+FW_VERSION_ATTR(dmcu_fw_version, 0444, dm.dmcu_fw_version);
+
+static struct attribute *fw_attrs[] = {
+       &dev_attr_vce_fw_version.attr, &dev_attr_uvd_fw_version.attr,
+       &dev_attr_mc_fw_version.attr, &dev_attr_me_fw_version.attr,
+       &dev_attr_pfp_fw_version.attr, &dev_attr_ce_fw_version.attr,
+       &dev_attr_rlc_fw_version.attr, &dev_attr_rlc_srlc_fw_version.attr,
+       &dev_attr_rlc_srlg_fw_version.attr, &dev_attr_rlc_srls_fw_version.attr,
+       &dev_attr_mec_fw_version.attr, &dev_attr_mec2_fw_version.attr,
+       &dev_attr_sos_fw_version.attr, &dev_attr_asd_fw_version.attr,
+       &dev_attr_ta_ras_fw_version.attr, &dev_attr_ta_xgmi_fw_version.attr,
+       &dev_attr_smc_fw_version.attr, &dev_attr_sdma_fw_version.attr,
+       &dev_attr_sdma2_fw_version.attr, &dev_attr_vcn_fw_version.attr,
+       &dev_attr_dmcu_fw_version.attr, NULL };
+
+static const struct attribute_group fw_attr_group = {
+       .name = "fw_version",
+       .attrs = fw_attrs
+};
+
+int amdgpu_ucode_sysfs_init(struct amdgpu_device *adev) {
+       return sysfs_create_group(&adev->dev->kobj, &fw_attr_group); }
+
+void amdgpu_ucode_sysfs_fini(struct amdgpu_device *adev) {
+       sysfs_remove_group(&adev->dev->kobj, &fw_attr_group); }
+
  static int amdgpu_ucode_init_single_fw(struct amdgpu_device *adev,
                                        struct amdgpu_firmware_info *ucode,
                                        uint64_t mc_addr, void *kptr) diff 
--git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
index 7ac25a1c7853..ec4c2ea1f05a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
@@ -291,7 +291,9 @@ bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header 
*hdr,

  int amdgpu_ucode_init_bo(struct amdgpu_device *adev);  int 
amdgpu_ucode_create_bo(struct amdgpu_device *adev);
+int amdgpu_ucode_sysfs_init(struct amdgpu_device *adev);
  void amdgpu_ucode_free_bo(struct amdgpu_device *adev);
+void amdgpu_ucode_sysfs_fini(struct amdgpu_device *adev);

  enum amdgpu_firmware_load_type
  amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int load_type);
--
2.17.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Reply via email to