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Message-ID: <CAF6AEGu7=fLYsA6sFSNJCB6kNBJLNg8b3Z6L-ROOa31zTeneFg@mail.gmail.com>
Date: Thu, 13 Apr 2023 08:42:12 -0700
From: Rob Clark <robdclark@...il.com>
To: Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
freedreno@...ts.freedesktop.org,
Boris Brezillon <boris.brezillon@...labora.com>,
Christopher Healy <healych@...zon.com>,
Emil Velikov <emil.l.velikov@...il.com>,
Christian König <christian.koenig@....com>,
Daniel Vetter <daniel@...ll.ch>,
Rob Clark <robdclark@...omium.org>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
David Airlie <airlied@...il.com>,
intel-gfx@...ts.freedesktop.org,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 4/6] drm/i915: Switch to fdinfo helper
On Thu, Apr 13, 2023 at 6:07 AM Tvrtko Ursulin
<tvrtko.ursulin@...ux.intel.com> wrote:
>
>
> On 12/04/2023 23:42, Rob Clark wrote:
> > From: Rob Clark <robdclark@...omium.org>
>
> 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..
That is fine by me
BR,
-R
> Regards,
>
> Tvrtko
>
> >
> > Signed-off-by: Rob Clark <robdclark@...omium.org>
> > ---
> > 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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