Re: [PATCH 3/3] drm/amdgpu: do not use drm middle layer for debugfs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 2/15/21 11:43 AM, Christian König wrote:


Am 15.02.21 um 11:16 schrieb Nirmoy Das:
Use debugfs API directly instead of drm middle layer.

This also includes following debugfs file output changes:
1 amdgpu_evict_vram/amdgpu_evict_gtt output will not contain any braces.
   e.g. (0) --> 0
2 amdgpu_gpu_recover output will print return value of
   amdgpu_device_gpu_recover() instead of not so important "gpu recover"
   message.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 157 +++++++-------------
  drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h |   6 +-
  drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c   |  47 +++---
  drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c     |  23 +--
  drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c      |  24 ++-
  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c     |  25 ++--
  drivers/gpu/drm/amd/amdgpu/amdgpu_object.h  |   2 +-
  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c     | 127 ++++++++++++----
  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h     |   2 +-
  9 files changed, 209 insertions(+), 204 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 719ae65ad633..827a4fd15f85 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -28,7 +28,6 @@
  #include <linux/uaccess.h>
  #include <linux/pm_runtime.h>
  #include <linux/poll.h>
-#include <drm/drm_debugfs.h>
    #include "amdgpu.h"
  #include "amdgpu_pm.h"
@@ -38,45 +37,6 @@
  #include "amdgpu_securedisplay.h"
  #include "amdgpu_fw_attestation.h"
  -/**
- * amdgpu_debugfs_add_files - Add simple debugfs entries
- *
- * @adev:  Device to attach debugfs entries to
- * @files:  Array of function callbacks that respond to reads
- * @nfiles: Number of callbacks to register
- *
- */
-int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
-                 const struct drm_info_list *files,
-                 unsigned nfiles)
-{
-    unsigned i;
-
-    for (i = 0; i < adev->debugfs_count; i++) {
-        if (adev->debugfs[i].files == files) {
-            /* Already registered */
-            return 0;
-        }
-    }
-
-    i = adev->debugfs_count + 1;
-    if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) {
-        DRM_ERROR("Reached maximum number of debugfs components.\n");
-        DRM_ERROR("Report so we increase "
-              "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n");
-        return -EINVAL;
-    }
-    adev->debugfs[adev->debugfs_count].files = files;
-    adev->debugfs[adev->debugfs_count].num_files = nfiles;
-    adev->debugfs_count = i;
-#if defined(CONFIG_DEBUG_FS)
-    drm_debugfs_create_files(files, nfiles,
- adev_to_drm(adev)->primary->debugfs_root,
-                 adev_to_drm(adev)->primary);
-#endif
-    return 0;
-}
-
  int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev)
  {
  #if defined(CONFIG_DEBUG_FS)
@@ -1233,16 +1193,15 @@ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
      return 0;
  }
  -static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data)
+static int amdgpu_debugfs_test_ib_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *) m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct drm_device *dev = adev_to_drm(adev);
      int r = 0, i;
        r = pm_runtime_get_sync(dev->dev);
      if (r < 0) {
-        pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+        pm_runtime_put_autosuspend(dev->dev);
          return r;
      }
  @@ -1284,30 +1243,19 @@ static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data)
      return 0;
  }
  -static int amdgpu_debugfs_get_vbios_dump(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 = drm_to_adev(dev);
-
-    seq_write(m, adev->bios, adev->bios_size);
-    return 0;
-}
-
-static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data)
+static int evict_vram_get(void *data, u64 *val)

Please keep the function name unchanged.

  {
-    struct drm_info_node *node = (struct drm_info_node *)m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)data;
+    struct drm_device *dev = adev_to_drm(adev);
      int r;
        r = pm_runtime_get_sync(dev->dev);
      if (r < 0) {
-        pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+        pm_runtime_put_autosuspend(dev->dev);
          return r;
      }
  -    seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev));
+    *val = amdgpu_bo_evict_vram(adev);
        pm_runtime_mark_last_busy(dev->dev);
      pm_runtime_put_autosuspend(dev->dev);
@@ -1315,11 +1263,11 @@ static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data)
      return 0;
  }
  -static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
+
+static int evict_gtt_get(void *data, u64 *val)

Same here.

  {
-    struct drm_info_node *node = (struct drm_info_node *)m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)data;
+    struct drm_device *dev = adev_to_drm(adev);
      int r;
        r = pm_runtime_get_sync(dev->dev);
@@ -1328,7 +1276,7 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
          return r;
      }
  -    seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT));
+    *val = ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT);
        pm_runtime_mark_last_busy(dev->dev);
      pm_runtime_put_autosuspend(dev->dev);
@@ -1336,10 +1284,11 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
      return 0;
  }
  -static int amdgpu_debugfs_vm_info(struct seq_file *m, void *data)
+
+static int amdgpu_debugfs_vm_info_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *)m->private;
-    struct drm_device *dev = node->minor->dev;
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct drm_device *dev = adev_to_drm(adev);
      struct drm_file *file;
      int r;
  @@ -1365,13 +1314,10 @@ static int amdgpu_debugfs_vm_info(struct seq_file *m, void *data)
      return r;
  }
  -static const struct drm_info_list amdgpu_debugfs_list[] = {
-    {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump},
-    {"amdgpu_test_ib", &amdgpu_debugfs_test_ib},
-    {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram},
-    {"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt},
-    {"amdgpu_vm_info", &amdgpu_debugfs_vm_info},
-};
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_test_ib);
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_vm_info);
+DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_evict_vram_fops, evict_vram_get, NULL, "%lld\n"); +DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_evict_gtt_fops, evict_gtt_get, NULL, "%lld\n");
    static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring,
                        struct dma_fence **fences)
@@ -1592,17 +1538,19 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
  {
      struct dentry *ent;
      int r, i;
+    struct dentry *root = adev_to_drm(adev)->primary->debugfs_root;
+    struct debugfs_blob_wrapper *vbios;

Variable like "r, i" and "ent" declared last please.

+
+
  -    ent = debugfs_create_file("amdgpu_preempt_ib", 0600,
- adev_to_drm(adev)->primary->debugfs_root, adev,
+    ent = debugfs_create_file("amdgpu_preempt_ib", 0600, root, adev,
                    &fops_ib_preempt);
      if (!ent) {
          DRM_ERROR("unable to create amdgpu_preempt_ib debugsfs file\n");
          return -EIO;
      }
  -    ent = debugfs_create_file("amdgpu_force_sclk", 0200,
- adev_to_drm(adev)->primary->debugfs_root, adev,
+    ent = debugfs_create_file("amdgpu_force_sclk", 0200, root, adev,
                    &fops_sclk_set);
      if (!ent) {
          DRM_ERROR("unable to create amdgpu_set_sclk debugsfs file\n");
@@ -1610,32 +1558,17 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
      }
        /* Register debugfs entries for amdgpu_ttm */
-    r = amdgpu_ttm_debugfs_init(adev);
-    if (r) {
-        DRM_ERROR("Failed to init debugfs\n");
-        return r;
-    }
-
+    amdgpu_ttm_debugfs_init(adev);
      amdgpu_debugfs_pm_init(adev);
-
-    if (amdgpu_debugfs_sa_init(adev)) {
-        dev_err(adev->dev, "failed to register debugfs file for SA\n");
-    }
-
-    if (amdgpu_debugfs_fence_init(adev))
-        dev_err(adev->dev, "fence debugfs file creation failed\n");
-
-    r = amdgpu_debugfs_gem_init(adev);
-    if (r)
-        DRM_ERROR("registering gem debugfs failed (%d).\n", r);
+    amdgpu_debugfs_sa_init(adev);
+    amdgpu_debugfs_fence_init(adev);
+    amdgpu_debugfs_gem_init(adev);
        r = amdgpu_debugfs_regs_init(adev);
      if (r)
          DRM_ERROR("registering register debugfs failed (%d).\n", r);
  -    r = amdgpu_debugfs_firmware_init(adev);
-    if (r)
-        DRM_ERROR("registering firmware debugfs failed (%d).\n", r);
+    amdgpu_debugfs_firmware_init(adev);
    #if defined(CONFIG_DRM_AMD_DC)
      if (amdgpu_device_has_dc_support(adev))
@@ -1654,17 +1587,29 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
      }
        amdgpu_ras_debugfs_create_all(adev);
-
      amdgpu_debugfs_autodump_init(adev);
-
      amdgpu_rap_debugfs_init(adev);
-
      amdgpu_securedisplay_debugfs_init(adev);
-
      amdgpu_fw_attestation_debugfs_init(adev);
  -    return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list,
-                    ARRAY_SIZE(amdgpu_debugfs_list));
+    debugfs_create_file("amdgpu_evict_vram", S_IFREG | S_IRUGO, root, adev,
+                &amdgpu_evict_vram_fops);
+    debugfs_create_file("amdgpu_evict_gtt", S_IFREG | S_IRUGO, root, adev,
+                &amdgpu_evict_gtt_fops);
+    debugfs_create_file("amdgpu_test_ib", S_IFREG | S_IRUGO, root, adev,
+                &amdgpu_debugfs_test_ib_fops);
+    debugfs_create_file("amdgpu_vm_info", S_IFREG | S_IRUGO, root, adev,
+                &amdgpu_debugfs_vm_info_fops);
+
+    vbios = devm_kzalloc(adev_to_drm(adev)->dev, sizeof(*vbios), GFP_KERNEL);
+    if (!vbios)
+        return -ENOMEM;
+
+    vbios->data = adev->bios;
+    vbios->size = adev->bios_size;
+    debugfs_create_blob("amdgpu_vbios", S_IFREG | S_IRUGO, root, vbios);

Is that vbios allocation ever freed? Maybe just change adev->bios and adev->bios_dize into a debugfs_blob_wrapper structure.


devm_kzalloc will get freed on driver removal.


Or at least keep the debugfs_blob_wrapper structure inside adev.

+
+    return 0;
  }
    #else
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h
index 2803884d338d..0ed866da865e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h
@@ -42,7 +42,7 @@ void amdgpu_debugfs_fini(struct amdgpu_device *adev);
  int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
                   const struct drm_info_list *files,
                   unsigned nfiles);
-int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
-int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev);
-int amdgpu_debugfs_gem_init(struct amdgpu_device *adev);
+void amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
+void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev);
+void amdgpu_debugfs_gem_init(struct amdgpu_device *adev);
  int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index d56f4023ebb3..7809c4db5a3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -36,8 +36,6 @@
  #include <linux/firmware.h>
  #include <linux/pm_runtime.h>
  -#include <drm/drm_debugfs.h>
-
  #include "amdgpu.h"
  #include "amdgpu_trace.h"
  @@ -697,11 +695,9 @@ static const struct dma_fence_ops amdgpu_fence_ops = {
   * Fence debugfs
   */
  #if defined(CONFIG_DEBUG_FS)
-static int amdgpu_debugfs_fence_info(struct seq_file *m, void *data)
+static int amdgpu_debugfs_fence_info_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *)m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
      int i;
        for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
@@ -746,11 +742,10 @@ static int amdgpu_debugfs_fence_info(struct seq_file *m, void *data)
   *
   * Manually trigger a gpu reset at the next fence wait.
   */
-static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data)
+static int gpu_recover_get(void *data, u64 *val)
  {
-    struct drm_info_node *node = (struct drm_info_node *) m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)data;
+    struct drm_device *dev = adev_to_drm(adev);
      int r;
        r = pm_runtime_get_sync(dev->dev);
@@ -759,8 +754,7 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data)
          return 0;
      }
  -    seq_printf(m, "gpu recover\n");
-    amdgpu_device_gpu_recover(adev, NULL);
+    *val = amdgpu_device_gpu_recover(adev, NULL);
        pm_runtime_mark_last_busy(dev->dev);
      pm_runtime_put_autosuspend(dev->dev);
@@ -768,26 +762,25 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data)
      return 0;
  }
  -static const struct drm_info_list amdgpu_debugfs_fence_list[] = {
-    {"amdgpu_fence_info", &amdgpu_debugfs_fence_info, 0, NULL},
-    {"amdgpu_gpu_recover", &amdgpu_debugfs_gpu_recover, 0, NULL}
-};
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_fence_info);
+DEFINE_DEBUGFS_ATTRIBUTE(amdgpu_debugfs_gpu_recover_fops, gpu_recover_get, NULL,
+             "%lld\n");
  -static const struct drm_info_list amdgpu_debugfs_fence_list_sriov[] = {
-    {"amdgpu_fence_info", &amdgpu_debugfs_fence_info, 0, NULL},
-};
  #endif
  -int amdgpu_debugfs_fence_init(struct amdgpu_device *adev)
+void amdgpu_debugfs_fence_init(struct amdgpu_device *adev)
  {
  #if defined(CONFIG_DEBUG_FS)
-    if (amdgpu_sriov_vf(adev))
-        return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list_sriov,
- ARRAY_SIZE(amdgpu_debugfs_fence_list_sriov));
-    return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list,
-                    ARRAY_SIZE(amdgpu_debugfs_fence_list));
-#else
-    return 0;
+    struct drm_minor *minor = adev_to_drm(adev)->primary;
+    umode_t mode = S_IFREG | S_IRUGO;

Why the mode as separate variable here? I would keep that close to each function call. Same for other places of course.

Apart from that this looks like a really nice cleanup to me.


Thanks, I will send resend a updated one.


Nirmoy



Regards,
Christian.

+    struct dentry *root = minor->debugfs_root;
+
+    debugfs_create_file("amdgpu_fence_info", mode, root, adev,
+                &amdgpu_debugfs_fence_info_fops);
+
+    if (!amdgpu_sriov_vf(adev))
+        debugfs_create_file("amdgpu_gpu_recover", mode, root, adev,
+                    &amdgpu_debugfs_gpu_recover_fops);
  #endif
  }
  diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 5b50860eece4..c2e77ab3331a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -32,7 +32,6 @@
  #include <linux/dma-buf.h>
    #include <drm/amdgpu_drm.h>
-#include <drm/drm_debugfs.h>
    #include "amdgpu.h"
  #include "amdgpu_display.h"
@@ -836,10 +835,10 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
  }
    #if defined(CONFIG_DEBUG_FS)
-static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data)
+static int amdgpu_debugfs_gem_info_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *)m->private;
-    struct drm_device *dev = node->minor->dev;
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct drm_device *dev = adev_to_drm(adev);
      struct drm_file *file;
      int r;
  @@ -877,16 +876,18 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data)
      return 0;
  }
  -static const struct drm_info_list amdgpu_debugfs_gem_list[] = {
-    {"amdgpu_gem_info", &amdgpu_debugfs_gem_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_gem_info);
+
  #endif
  -int amdgpu_debugfs_gem_init(struct amdgpu_device *adev)
+void amdgpu_debugfs_gem_init(struct amdgpu_device *adev)
  {
  #if defined(CONFIG_DEBUG_FS)
-    return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_gem_list,
-                    ARRAY_SIZE(amdgpu_debugfs_gem_list));
+    struct drm_minor *minor = adev_to_drm(adev)->primary;
+    umode_t mode = S_IFREG | S_IRUGO;
+    struct dentry *root = minor->debugfs_root;
+
+    debugfs_create_file("amdgpu_gem_info", mode, root, adev,
+                &amdgpu_debugfs_gem_info_fops);
  #endif
-    return 0;
  }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 7645223ea0ef..3155e4b61d9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -30,7 +30,6 @@
  #include <linux/slab.h>
    #include <drm/amdgpu_drm.h>
-#include <drm/drm_debugfs.h>
    #include "amdgpu.h"
  #include "atom.h"
@@ -453,11 +452,9 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
   */
  #if defined(CONFIG_DEBUG_FS)
  -static int amdgpu_debugfs_sa_info(struct seq_file *m, void *data)
+static int amdgpu_debugfs_sa_info_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *) m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
        seq_printf(m, "--------------------- DELAYED --------------------- \n");
amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_DELAYED],
@@ -471,18 +468,19 @@ static int amdgpu_debugfs_sa_info(struct seq_file *m, void *data)
      return 0;
  }
  -static const struct drm_info_list amdgpu_debugfs_sa_list[] = {
-    {"amdgpu_sa_info", &amdgpu_debugfs_sa_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_sa_info);
    #endif
  -int amdgpu_debugfs_sa_init(struct amdgpu_device *adev)
+void amdgpu_debugfs_sa_init(struct amdgpu_device *adev)
  {
  #if defined(CONFIG_DEBUG_FS)
-    return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_sa_list,
-                    ARRAY_SIZE(amdgpu_debugfs_sa_list));
-#else
-    return 0;
+    struct drm_minor *minor = adev_to_drm(adev)->primary;
+    umode_t mode = S_IFREG | S_IRUGO;
+    struct dentry *root = minor->debugfs_root;
+
+    debugfs_create_file("amdgpu_sa_info", mode, root, adev,
+                &amdgpu_debugfs_sa_info_fops);
+
  #endif
  }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index e365c4fdcfe3..3ab0a0b48675 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -27,7 +27,6 @@
   */
    #include "amdgpu.h"
-#include <drm/drm_debugfs.h>
  #include <drm/amdgpu_drm.h>
  #include "amdgpu_sched.h"
  #include "amdgpu_uvd.h"
@@ -1287,11 +1286,9 @@ const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
   */
  #if defined(CONFIG_DEBUG_FS)
  -static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data) +static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *) m->private;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
      struct drm_amdgpu_info_firmware fw_info;
      struct drm_amdgpu_query_fw query_fw;
      struct atom_context *ctx = adev->mode_info.atom_context;
@@ -1497,17 +1494,19 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
      return 0;
  }
  -static const struct drm_info_list amdgpu_firmware_info_list[] = {
-    {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
-};
+DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
+
  #endif
  -int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
+void 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;
+    struct drm_minor *minor = adev_to_drm(adev)->primary;
+    umode_t mode = S_IFREG | S_IRUGO;
+    struct dentry *root = minor->debugfs_root;
+
+    debugfs_create_file("amdgpu_firmware_info", mode, root, adev,
+                &amdgpu_debugfs_firmware_info_fops);
+
  #endif
  }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index adbefd6a655d..192627d35bae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -331,7 +331,7 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
                       struct seq_file *m);
  u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
  #endif
-int amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
+void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);
    bool amdgpu_bo_support_uswc(u64 bo_flags);
  diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index ce92768cd146..3006a720b6f5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -49,7 +49,6 @@
  #include <drm/ttm/ttm_module.h>
  #include <drm/ttm/ttm_page_alloc.h>
  -#include <drm/drm_debugfs.h>
  #include <drm/amdgpu_drm.h>
    #include "amdgpu.h"
@@ -2253,30 +2252,66 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
    #if defined(CONFIG_DEBUG_FS)
  -static int amdgpu_mm_dump_table(struct seq_file *m, void *data)
+static int amdgpu_mm_vram_table_show(struct seq_file *m, void *unused)
  {
-    struct drm_info_node *node = (struct drm_info_node *)m->private;
-    unsigned ttm_pl = (uintptr_t)node->info_ent->data;
-    struct drm_device *dev = node->minor->dev;
-    struct amdgpu_device *adev = drm_to_adev(dev);
-    struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev, ttm_pl);
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev,
+                                TTM_PL_VRAM);
      struct drm_printer p = drm_seq_file_printer(m);
        man->func->debug(man, &p);
      return 0;
  }
  -static const struct drm_info_list amdgpu_ttm_debugfs_list[] = {
-    {"amdgpu_vram_mm", amdgpu_mm_dump_table, 0, (void *)TTM_PL_VRAM},
-    {"amdgpu_gtt_mm", amdgpu_mm_dump_table, 0, (void *)TTM_PL_TT},
-    {"amdgpu_gds_mm", amdgpu_mm_dump_table, 0, (void *)AMDGPU_PL_GDS},
-    {"amdgpu_gws_mm", amdgpu_mm_dump_table, 0, (void *)AMDGPU_PL_GWS},
-    {"amdgpu_oa_mm", amdgpu_mm_dump_table, 0, (void *)AMDGPU_PL_OA},
-    {"ttm_page_pool", ttm_page_alloc_debugfs, 0, NULL},
-#ifdef CONFIG_SWIOTLB
-    {"ttm_dma_page_pool", ttm_dma_page_alloc_debugfs, 0, NULL}
-#endif
-};
+static int amdgpu_mm_tt_table_show(struct seq_file *m, void *unused)
+{
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev,
+                                TTM_PL_TT);
+    struct drm_printer p = drm_seq_file_printer(m);
+
+    man->func->debug(man, &p);
+    return 0;
+}
+
+static int amdgpu_mm_gds_table_show(struct seq_file *m, void *unused)
+{
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev,
+                                AMDGPU_PL_GDS);
+    struct drm_printer p = drm_seq_file_printer(m);
+
+    man->func->debug(man, &p);
+    return 0;
+}
+
+static int amdgpu_mm_gws_table_show(struct seq_file *m, void *unused)
+{
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev,
+                                AMDGPU_PL_GWS);
+    struct drm_printer p = drm_seq_file_printer(m);
+
+    man->func->debug(man, &p);
+    return 0;
+}
+
+static int amdgpu_mm_oa_table_show(struct seq_file *m, void *unused)
+{
+    struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
+    struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev,
+                                AMDGPU_PL_OA);
+    struct drm_printer p = drm_seq_file_printer(m);
+
+    man->func->debug(man, &p);
+    return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(amdgpu_mm_vram_table);
+DEFINE_SHOW_ATTRIBUTE(amdgpu_mm_tt_table);
+DEFINE_SHOW_ATTRIBUTE(amdgpu_mm_gds_table);
+DEFINE_SHOW_ATTRIBUTE(amdgpu_mm_gws_table);
+DEFINE_SHOW_ATTRIBUTE(amdgpu_mm_oa_table);
    /*
   * amdgpu_ttm_vram_read - Linear read access to VRAM
@@ -2478,13 +2513,40 @@ static const struct file_operations amdgpu_ttm_iomem_fops = {
      .llseek = default_llseek
  };
  +static int amdgpu_ttm_page_debugfs_open(struct inode *inode, struct file *file)
+{
+    return single_open(file, ttm_page_alloc_debugfs, inode->i_private);
+}
+
+static const struct file_operations amdgpu_ttm_page_debugfs_fops = {
+    .owner = THIS_MODULE,
+    .open = amdgpu_ttm_page_debugfs_open,
+    .read = seq_read,
+    .llseek = seq_lseek,
+    .release = single_release,
+};
+
+#ifdef CONFIG_SWIOTLB
+static int amdgpu_ttm_dma_page_debugfs_open(struct inode *inode, struct file *file)
+{
+    return single_open(file, ttm_dma_page_alloc_debugfs, inode->i_private);
+}
+
+
+static const struct file_operations amdgpu_ttm_dma_page_debugfs_fops = {
+    .owner = THIS_MODULE,
+    .open = amdgpu_ttm_dma_page_debugfs_open,
+    .read = seq_read,
+    .llseek = seq_lseek,
+    .release = single_release,
+};
  #endif
  -int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
+#endif
+
+void amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
  {
  #if defined(CONFIG_DEBUG_FS)
-    unsigned count;
-
      struct drm_minor *minor = adev_to_drm(adev)->primary;
      umode_t mode = S_IFREG | S_IRUGO;
      struct dentry *root = minor->debugfs_root;
@@ -2493,15 +2555,22 @@ int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
                   &amdgpu_ttm_vram_fops, adev->gmc.mc_vram_size);
      debugfs_create_file("amdgpu_iomem", mode, root, adev,
                  &amdgpu_ttm_iomem_fops);
-    count = ARRAY_SIZE(amdgpu_ttm_debugfs_list);
-
+    debugfs_create_file("amdgpu_vram_mm", mode, root, adev,
+                &amdgpu_mm_vram_table_fops);
+    debugfs_create_file("amdgpu_gtt_mm", mode, root, adev,
+                &amdgpu_mm_tt_table_fops);
+    debugfs_create_file("amdgpu_gds_mm", mode, root, adev,
+                &amdgpu_mm_gds_table_fops);
+    debugfs_create_file("amdgpu_gws_mm", mode, root, adev,
+                &amdgpu_mm_gws_table_fops);
+    debugfs_create_file("amdgpu_oa_mm", mode, root, adev,
+                &amdgpu_mm_oa_table_fops);
+    debugfs_create_file("ttm_page_pool", mode, root, adev,
+                &amdgpu_ttm_page_debugfs_fops);
  #ifdef CONFIG_SWIOTLB
-    if (!(adev->need_swiotlb && swiotlb_nr_tbl()))
-        --count;
+    if ((adev->need_swiotlb && swiotlb_nr_tbl()))
+        debugfs_create_file("ttm_dma_page_pool", mode, root, adev,
+                    &amdgpu_ttm_dma_page_debugfs_fops);
  #endif
-
-    return amdgpu_debugfs_add_files(adev, amdgpu_ttm_debugfs_list, count);
-#else
-    return 0;
  #endif
  }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 4df4cf2fd4dd..69ba8dd4f3ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -186,6 +186,6 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem);   uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
                   struct ttm_resource *mem);
  -int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
+void amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
    #endif

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




[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux