Re: [PATCH v4 4/6] drm/i915: Switch to fdinfo helper

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On 12/04/2023 23:42, Rob Clark wrote:
From: Rob Clark <robdclark@xxxxxxxxxxxx>

There is more do to here to remove my client->id fully (would now be dead code) so maybe easiest if you drop this patch and I do it after you land this and it propagates to our branches? I'd like to avoid pain with conflicts if possible..

Regards,

Tvrtko


Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
  drivers/gpu/drm/i915/i915_driver.c     |  3 ++-
  drivers/gpu/drm/i915/i915_drm_client.c | 18 +++++-------------
  drivers/gpu/drm/i915/i915_drm_client.h |  2 +-
  3 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index db7a86def7e2..0d91f85f8b97 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -1696,7 +1696,7 @@ static const struct file_operations i915_driver_fops = {
  	.compat_ioctl = i915_ioc32_compat_ioctl,
  	.llseek = noop_llseek,
  #ifdef CONFIG_PROC_FS
-	.show_fdinfo = i915_drm_client_fdinfo,
+	.show_fdinfo = drm_show_fdinfo,
  #endif
  };
@@ -1796,6 +1796,7 @@ static const struct drm_driver i915_drm_driver = {
  	.open = i915_driver_open,
  	.lastclose = i915_driver_lastclose,
  	.postclose = i915_driver_postclose,
+	.show_fdinfo = i915_drm_client_fdinfo,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
  	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c
index b09d1d386574..4a77e5e47f79 100644
--- a/drivers/gpu/drm/i915/i915_drm_client.c
+++ b/drivers/gpu/drm/i915/i915_drm_client.c
@@ -101,7 +101,7 @@ static u64 busy_add(struct i915_gem_context *ctx, unsigned int class)
  }
static void
-show_client_class(struct seq_file *m,
+show_client_class(struct drm_printer *p,
  		  struct i915_drm_client *client,
  		  unsigned int class)
  {
@@ -117,22 +117,20 @@ show_client_class(struct seq_file *m,
  	rcu_read_unlock();
if (capacity)
-		seq_printf(m, "drm-engine-%s:\t%llu ns\n",
+		drm_printf(p, "drm-engine-%s:\t%llu ns\n",
  			   uabi_class_names[class], total);
if (capacity > 1)
-		seq_printf(m, "drm-engine-capacity-%s:\t%u\n",
+		drm_printf(p, "drm-engine-capacity-%s:\t%u\n",
  			   uabi_class_names[class],
  			   capacity);
  }
-void i915_drm_client_fdinfo(struct seq_file *m, struct file *f)
+void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file)
  {
-	struct drm_file *file = f->private_data;
  	struct drm_i915_file_private *file_priv = file->driver_priv;
  	struct drm_i915_private *i915 = file_priv->dev_priv;
  	struct i915_drm_client *client = file_priv->client;
-	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
  	unsigned int i;
/*
@@ -141,12 +139,6 @@ void i915_drm_client_fdinfo(struct seq_file *m, struct file *f)
  	 * ******************************************************************
  	 */
- seq_printf(m, "drm-driver:\t%s\n", i915->drm.driver->name);
-	seq_printf(m, "drm-pdev:\t%04x:%02x:%02x.%d\n",
-		   pci_domain_nr(pdev->bus), pdev->bus->number,
-		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
-	seq_printf(m, "drm-client-id:\t%u\n", client->id);
-
  	/*
  	 * Temporarily skip showing client engine information with GuC submission till
  	 * fetching engine busyness is implemented in the GuC submission backend
@@ -155,6 +147,6 @@ void i915_drm_client_fdinfo(struct seq_file *m, struct file *f)
  		return;
for (i = 0; i < ARRAY_SIZE(uabi_class_names); i++)
-		show_client_class(m, client, i);
+		show_client_class(p, client, i);
  }
  #endif
diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h
index 69496af996d9..ef85fef45de5 100644
--- a/drivers/gpu/drm/i915/i915_drm_client.h
+++ b/drivers/gpu/drm/i915/i915_drm_client.h
@@ -60,7 +60,7 @@ static inline void i915_drm_client_put(struct i915_drm_client *client)
  struct i915_drm_client *i915_drm_client_add(struct i915_drm_clients *clients);
#ifdef CONFIG_PROC_FS
-void i915_drm_client_fdinfo(struct seq_file *m, struct file *f);
+void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
  #endif
void i915_drm_clients_fini(struct i915_drm_clients *clients);



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