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authorDave Airlie <airlied@redhat.com>2023-06-19 11:57:25 +1000
committerDave Airlie <airlied@redhat.com>2023-06-19 11:57:26 +1000
commitbcbede6fbeb0e1eb85ccbb532faf06d3b31f0e73 (patch)
tree53062368790eb070705726f24a49beb34b8737d0 /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
parent4e237d84eec8783eb6dfbccb04a4e570b27a9b09 (diff)
parent72f1de49ffb90b29748284f27f1d6b829ab1de95 (diff)
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Merge tag 'amd-drm-next-6.5-2023-06-16' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.5-2023-06-16: amdgpu: - Misc display fixes - W=1 fixes - Improve scheduler naming - DCN 3.1.4 fixes - kdoc fixes - Enable W=1 - VCN 4.0 fix - xgmi fixes - TOPDOWN fix for large BAR systems - eDP fix - PSR fixes - SubVP fixes - Freesync fix - DPIA fix - SMU 13.0.5 fixes - vblflash fix - RAS fixes - SDMA 4 fix - BO locking fix - BO backing store fix - NBIO 7.9 fixes - GC 9.4.3 fixes - GPU reset recovery fixes - HMM fix amdkfd: - Fix NULL check - Trap fixes - Queue count fix - Add event age tracking radeon: - fbdev client fix scheduler: - Avoid an infinite loop UAPI: - Add KFD event age tracking: Proposed ROCT-Thunk-Interface: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/commit/efdbf6cfbc026bd68ac3c35d00dacf84370eb81e https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/commit/1820ae0a2db85b6f584611dc0cde1a00e7c22915 Proposed ROCR-Runtime: https://github.com/RadeonOpenCompute/ROCR-Runtime/compare/master...zhums:ROCR-Runtime:new_event_wait_review https://github.com/RadeonOpenCompute/ROCR-Runtime/commit/e1f5bdb88eb882ac798aeca2c00ea3fbb2dba459 https://github.com/RadeonOpenCompute/ROCR-Runtime/commit/7d26afd14107b5c2a754c1a3f415d89f3aabb503 drm: - DP MST fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230616163548.7706-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 85ee1af963dd..03dc59cbe8aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -325,6 +325,36 @@ static ssize_t amdgpu_xgmi_show_device_id(struct device *dev,
}
+static ssize_t amdgpu_xgmi_show_num_hops(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
+ int i;
+
+ for (i = 0; i < top->num_nodes; i++)
+ sprintf(buf + 3 * i, "%02x ", top->nodes[i].num_hops);
+
+ return sysfs_emit(buf, "%s\n", buf);
+}
+
+static ssize_t amdgpu_xgmi_show_num_links(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+ struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
+ int i;
+
+ for (i = 0; i < top->num_nodes; i++)
+ sprintf(buf + 3 * i, "%02x ", top->nodes[i].num_links);
+
+ return sysfs_emit(buf, "%s\n", buf);
+}
+
#define AMDGPU_XGMI_SET_FICAA(o) ((o) | 0x456801)
static ssize_t amdgpu_xgmi_show_error(struct device *dev,
struct device_attribute *attr,
@@ -361,6 +391,8 @@ static ssize_t amdgpu_xgmi_show_error(struct device *dev,
static DEVICE_ATTR(xgmi_device_id, S_IRUGO, amdgpu_xgmi_show_device_id, NULL);
static DEVICE_ATTR(xgmi_error, S_IRUGO, amdgpu_xgmi_show_error, NULL);
+static DEVICE_ATTR(xgmi_num_hops, S_IRUGO, amdgpu_xgmi_show_num_hops, NULL);
+static DEVICE_ATTR(xgmi_num_links, S_IRUGO, amdgpu_xgmi_show_num_links, NULL);
static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev,
struct amdgpu_hive_info *hive)
@@ -380,6 +412,15 @@ static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev,
if (ret)
pr_err("failed to create xgmi_error\n");
+ /* Create xgmi num hops file */
+ ret = device_create_file(adev->dev, &dev_attr_xgmi_num_hops);
+ if (ret)
+ pr_err("failed to create xgmi_num_hops\n");
+
+ /* Create xgmi num links file */
+ ret = device_create_file(adev->dev, &dev_attr_xgmi_num_links);
+ if (ret)
+ pr_err("failed to create xgmi_num_links\n");
/* Create sysfs link to hive info folder on the first device */
if (hive->kobj.parent != (&adev->dev->kobj)) {
@@ -407,6 +448,9 @@ remove_link:
remove_file:
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
+ device_remove_file(adev->dev, &dev_attr_xgmi_error);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_hops);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_links);
success:
return ret;
@@ -420,6 +464,8 @@ static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev,
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
device_remove_file(adev->dev, &dev_attr_xgmi_error);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_hops);
+ device_remove_file(adev->dev, &dev_attr_xgmi_num_links);
if (hive->kobj.parent != (&adev->dev->kobj))
sysfs_remove_link(&adev->dev->kobj,"xgmi_hive_info");