[PATCH] drm/i915: Use drm_i915_private directly from debugfs

[PATCH] drm/i915: Use drm_i915_private directly from debugfs

[Chris Wilson]

The void *data passed to debugfs callbacks is actually the
drm_i915_private pointer, so use it thusly and avoid the to_i915(dev)
indirection.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index fba29e61cef5..ef8153aaac8b 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2505,8 +2505,7 @@ static int i915_guc_log_dump(struct seq_file *m, void *data)
 
 static int i915_guc_log_control_get(void *data, u64 *val)
 {
-	struct drm_device *dev = data;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_i915_private *dev_priv = data;
 
 	if (!dev_priv->guc.log.vma)
 		return -EINVAL;
@@ -2518,8 +2517,7 @@ static int i915_guc_log_control_get(void *data, u64 *val)
 
 static int i915_guc_log_control_set(void *data, u64 val)
 {
-	struct drm_device *dev = data;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_i915_private *dev_priv = data;
 	int ret;
 
 	if (!dev_priv->guc.log.vma)
-- 
2.11.0

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✗ Fi.CI.BAT: failure for drm/i915: Use drm_i915_private directly from debugfs

[Patchwork]

== Series Details ==

Series: drm/i915: Use drm_i915_private directly from debugfs
URL   : https://patchwork.freedesktop.org/series/22695/
State : failure

== Summary ==

  LD [M]  drivers/ssb/ssb.o
  LD      drivers/rtc/built-in.o
  LD [M]  drivers/usb/serial/usbserial.o
  LD      lib/raid6/raid6_pq.o
  LD      lib/raid6/built-in.o
  LD      drivers/acpi/built-in.o
  AR      lib/lib.a
  LD      drivers/usb/storage/usb-storage.o
  LD      drivers/pci/pcie/pcieportdrv.o
  EXPORTS lib/lib-ksyms.o
  LD      drivers/usb/storage/built-in.o
  LD      drivers/tty/serial/8250/8250.o
  LD      lib/built-in.o
  LD      kernel/sched/built-in.o
  LD      kernel/built-in.o
  LD [M]  sound/pci/hda/snd-hda-codec-generic.o
  LD [M]  drivers/net/ethernet/broadcom/genet/genet.o
  LD      sound/pci/built-in.o
  LD      net/ipv6/ipv6.o
  LD      sound/built-in.o
  LD      net/ipv6/built-in.o
  LD      drivers/thermal/thermal_sys.o
  LD      drivers/pci/pcie/aer/aerdriver.o
  LD      drivers/thermal/built-in.o
  LD      drivers/pci/pcie/aer/built-in.o
  LD      drivers/pci/pcie/built-in.o
  LD      drivers/video/fbdev/core/fb.o
In file included from ./include/linux/fs.h:19:0,
                 from ./include/linux/debugfs.h:18,
                 from drivers/gpu/drm/i915/i915_debugfs.c:29:
drivers/gpu/drm/i915/i915_debugfs.c: In function ‘i915_guc_log_control_set’:
drivers/gpu/drm/i915/i915_debugfs.c:2589:34: error: ‘dev’ undeclared (first use in this function)
  ret = mutex_lock_interruptible(&dev->struct_mutex);
                                  ^
./include/linux/mutex.h:165:72: note: in definition of macro ‘mutex_lock_interruptible’
 #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)
                                                                        ^
drivers/gpu/drm/i915/i915_debugfs.c:2589:34: note: each undeclared identifier is reported only once for each function it appears in
  ret = mutex_lock_interruptible(&dev->struct_mutex);
                                  ^
./include/linux/mutex.h:165:72: note: in definition of macro ‘mutex_lock_interruptible’
 #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)
                                                                        ^
  LD      drivers/video/fbdev/core/built-in.o
  LD      drivers/scsi/scsi_mod.o
  LD      drivers/pci/built-in.o
  LD      drivers/gpu/drm/drm.o
scripts/Makefile.build:294: recipe for target 'drivers/gpu/drm/i915/i915_debugfs.o' failed
make[4]: *** [drivers/gpu/drm/i915/i915_debugfs.o] Error 1
make[4]: *** Waiting for unfinished jobs....
  LD      net/xfrm/built-in.o
  LD [M]  drivers/net/ethernet/intel/igbvf/igbvf.o
  LD      drivers/video/fbdev/built-in.o
  LD      net/ipv4/built-in.o
  LD      drivers/iommu/built-in.o
  LD      drivers/tty/serial/8250/8250_base.o
  LD      drivers/tty/serial/8250/built-in.o
  LD      drivers/tty/serial/built-in.o
  LD      drivers/spi/built-in.o
  LD      drivers/video/console/built-in.o
  LD      drivers/usb/gadget/libcomposite.o
  LD      drivers/video/built-in.o
  LD      drivers/scsi/sd_mod.o
  LD      fs/btrfs/btrfs.o
  LD      drivers/scsi/built-in.o
  LD [M]  drivers/net/ethernet/intel/e1000/e1000.o
  LD      fs/btrfs/built-in.o
  LD      drivers/usb/gadget/udc/udc-core.o
  LD      drivers/usb/gadget/udc/built-in.o
  LD      drivers/usb/gadget/built-in.o
  LD      drivers/usb/core/usbcore.o
  LD      drivers/usb/core/built-in.o
  LD [M]  drivers/net/ethernet/intel/igb/igb.o
  CC      arch/x86/kernel/cpu/capflags.o
  LD      drivers/usb/host/xhci-hcd.o
  LD      arch/x86/kernel/cpu/built-in.o
  LD      arch/x86/kernel/built-in.o
  LD      drivers/tty/vt/built-in.o
  LD      drivers/tty/built-in.o
  LD      net/core/built-in.o
  LD      arch/x86/built-in.o
  LD      net/built-in.o
  LD      drivers/usb/host/built-in.o
  LD      drivers/usb/built-in.o
  LD      drivers/md/md-mod.o
  LD      drivers/md/built-in.o
  LD      fs/ext4/ext4.o
  LD [M]  drivers/net/ethernet/intel/e1000e/e1000e.o
  LD      fs/ext4/built-in.o
  LD      fs/built-in.o
  LD      drivers/net/ethernet/built-in.o
  LD      drivers/net/built-in.o
scripts/Makefile.build:553: recipe for target 'drivers/gpu/drm/i915' failed
make[3]: *** [drivers/gpu/drm/i915] Error 2
scripts/Makefile.build:553: recipe for target 'drivers/gpu/drm' failed
make[2]: *** [drivers/gpu/drm] Error 2
scripts/Makefile.build:553: recipe for target 'drivers/gpu' failed
make[1]: *** [drivers/gpu] Error 2
Makefile:1002: recipe for target 'drivers' failed
make: *** [drivers] Error 2

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[PATCH] drm/i915: Use drm_i915_private directly from debugfs

[Chris Wilson]

The void *data passed to debugfs callbacks is actually the
drm_i915_private pointer, so use it thusly and avoid the to_i915(dev)
indirection.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index fba29e61cef5..130fddf458a0 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2505,8 +2505,7 @@ static int i915_guc_log_dump(struct seq_file *m, void *data)
 
 static int i915_guc_log_control_get(void *data, u64 *val)
 {
-	struct drm_device *dev = data;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_i915_private *dev_priv = data;
 
 	if (!dev_priv->guc.log.vma)
 		return -EINVAL;
@@ -2518,14 +2517,13 @@ static int i915_guc_log_control_get(void *data, u64 *val)
 
 static int i915_guc_log_control_set(void *data, u64 val)
 {
-	struct drm_device *dev = data;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct drm_i915_private *dev_priv = data;
 	int ret;
 
 	if (!dev_priv->guc.log.vma)
 		return -EINVAL;
 
-	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
 	if (ret)
 		return ret;
 
@@ -2533,7 +2531,7 @@ static int i915_guc_log_control_set(void *data, u64 val)
 	ret = i915_guc_log_control(dev_priv, val);
 	intel_runtime_pm_put(dev_priv);
 
-	mutex_unlock(&dev->struct_mutex);
+	mutex_unlock(&dev_priv->drm.struct_mutex);
 	return ret;
 }
 
-- 
2.11.0

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Re: [PATCH] drm/i915: Use drm_i915_private directly from debugfs

[Joonas Lahtinen]

On pe, 2017-04-07 at 20:42 +0100, Chris Wilson wrote:
> The void *data passed to debugfs callbacks is actually the
> drm_i915_private pointer, so use it thusly and avoid the to_i915(dev)
> indirection.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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Re: [PATCH] drm/i915: Use drm_i915_private directly from debugfs

[Chris Wilson]

On Mon, Apr 10, 2017 at 01:42:46PM +0300, Joonas Lahtinen wrote:
> On pe, 2017-04-07 at 20:42 +0100, Chris Wilson wrote:
> > The void *data passed to debugfs callbacks is actually the
> > drm_i915_private pointer, so use it thusly and avoid the to_i915(dev)
> > indirection.
> > 
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> 
> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Pushed the trivial patch before drm_device starts making a comeback.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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✓ Fi.CI.BAT: success for drm/i915: Use drm_i915_private directly from debugfs (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915: Use drm_i915_private directly from debugfs (rev2)
URL   : https://patchwork.freedesktop.org/series/22695/
State : success

== Summary ==

Series 22695v2 drm/i915: Use drm_i915_private directly from debugfs
https://patchwork.freedesktop.org/api/1.0/series/22695/revisions/2/mbox/

Test gem_exec_flush:
        Subgroup basic-batch-kernel-default-uc:
                fail       -> PASS       (fi-snb-2600) fdo#100007
Test kms_frontbuffer_tracking:
        Subgroup basic:
                none       -> INCOMPLETE (fi-byt-n2820)
                none       -> INCOMPLETE (fi-bxt-j4205)

fdo#100007 https://bugs.freedesktop.org/show_bug.cgi?id=100007

fi-bdw-5557u     total:215  pass:206  dwarn:0   dfail:0   fail:0   skip:8  
fi-bdw-gvtdvm    total:215  pass:203  dwarn:2   dfail:0   fail:0   skip:9  
fi-bsw-n3050     total:215  pass:194  dwarn:0   dfail:0   fail:0   skip:20 
fi-bxt-j4205     total:215  pass:198  dwarn:0   dfail:0   fail:0   skip:16 
fi-byt-j1900     total:215  pass:199  dwarn:0   dfail:0   fail:0   skip:15 
fi-byt-n2820     total:215  pass:195  dwarn:0   dfail:0   fail:0   skip:19 
fi-hsw-4770      total:215  pass:201  dwarn:0   dfail:0   fail:0   skip:13 
fi-hsw-4770r     total:215  pass:201  dwarn:0   dfail:0   fail:0   skip:13 
fi-ilk-650       total:215  pass:177  dwarn:0   dfail:0   fail:0   skip:37 
fi-ivb-3520m     total:215  pass:201  dwarn:0   dfail:0   fail:0   skip:13 
fi-ivb-3770      total:215  pass:201  dwarn:0   dfail:0   fail:0   skip:13 
fi-kbl-7500u     total:215  pass:199  dwarn:0   dfail:0   fail:0   skip:15 
fi-kbl-7560u     total:215  pass:207  dwarn:0   dfail:0   fail:0   skip:7  
fi-skl-6260u     total:215  pass:207  dwarn:0   dfail:0   fail:0   skip:7  
fi-skl-6700hq    total:215  pass:199  dwarn:0   dfail:0   fail:0   skip:15 
fi-skl-6700k     total:215  pass:199  dwarn:0   dfail:0   fail:0   skip:15 
fi-skl-6770hq    total:215  pass:207  dwarn:0   dfail:0   fail:0   skip:7  
fi-skl-gvtdvm    total:215  pass:206  dwarn:0   dfail:0   fail:0   skip:8  
fi-snb-2520m     total:215  pass:196  dwarn:0   dfail:0   fail:0   skip:18 
fi-snb-2600      total:215  pass:196  dwarn:0   dfail:0   fail:0   skip:18 
fi-bxt-t5700 failed to connect after reboot

c9c537bbdea40e52ffd1e144edd3a915f8e8572f drm-tip: 2017y-04m-07d-17h-50m-41s UTC integration manifest
d2e7784 drm/i915: Use drm_i915_private directly from debugfs

== Logs ==

For more details see: https://intel-gfx-ci.01.org/CI/Patchwork_4448/
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Re: [PATCH] drm/i915: Use drm_i915_private directly from debugfs

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 3916 bytes --]

Hi Chris,

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on v4.11-rc5 next-20170407]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Chris-Wilson/drm-i915-Use-drm_i915_private-directly-from-debugfs/20170408-185408
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-x073-201714 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from include/linux/fs.h:19:0,
                    from include/linux/debugfs.h:18,
                    from drivers/gpu//drm/i915/i915_debugfs.c:29:
   drivers/gpu//drm/i915/i915_debugfs.c: In function 'i915_guc_log_control_set':
>> drivers/gpu//drm/i915/i915_debugfs.c:2589:34: error: 'dev' undeclared (first use in this function)
     ret = mutex_lock_interruptible(&dev->struct_mutex);
                                     ^
   include/linux/mutex.h:165:72: note: in definition of macro 'mutex_lock_interruptible'
    #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)
                                                                           ^~~~
   drivers/gpu//drm/i915/i915_debugfs.c:2589:34: note: each undeclared identifier is reported only once for each function it appears in
     ret = mutex_lock_interruptible(&dev->struct_mutex);
                                     ^
   include/linux/mutex.h:165:72: note: in definition of macro 'mutex_lock_interruptible'
    #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)
                                                                           ^~~~

vim +/dev +2589 drivers/gpu//drm/i915/i915_debugfs.c

685534ef Sagar Arun Kamble 2016-10-12  2573  	if (!dev_priv->guc.log.vma)
685534ef Sagar Arun Kamble 2016-10-12  2574  		return -EINVAL;
685534ef Sagar Arun Kamble 2016-10-12  2575  
685534ef Sagar Arun Kamble 2016-10-12  2576  	*val = i915.guc_log_level;
685534ef Sagar Arun Kamble 2016-10-12  2577  
685534ef Sagar Arun Kamble 2016-10-12  2578  	return 0;
685534ef Sagar Arun Kamble 2016-10-12  2579  }
685534ef Sagar Arun Kamble 2016-10-12  2580  
685534ef Sagar Arun Kamble 2016-10-12  2581  static int i915_guc_log_control_set(void *data, u64 val)
685534ef Sagar Arun Kamble 2016-10-12  2582  {
82580d06 Chris Wilson      2017-04-07  2583  	struct drm_i915_private *dev_priv = data;
685534ef Sagar Arun Kamble 2016-10-12  2584  	int ret;
685534ef Sagar Arun Kamble 2016-10-12  2585  
685534ef Sagar Arun Kamble 2016-10-12  2586  	if (!dev_priv->guc.log.vma)
685534ef Sagar Arun Kamble 2016-10-12  2587  		return -EINVAL;
685534ef Sagar Arun Kamble 2016-10-12  2588  
685534ef Sagar Arun Kamble 2016-10-12 @2589  	ret = mutex_lock_interruptible(&dev->struct_mutex);
685534ef Sagar Arun Kamble 2016-10-12  2590  	if (ret)
685534ef Sagar Arun Kamble 2016-10-12  2591  		return ret;
685534ef Sagar Arun Kamble 2016-10-12  2592  
685534ef Sagar Arun Kamble 2016-10-12  2593  	intel_runtime_pm_get(dev_priv);
685534ef Sagar Arun Kamble 2016-10-12  2594  	ret = i915_guc_log_control(dev_priv, val);
685534ef Sagar Arun Kamble 2016-10-12  2595  	intel_runtime_pm_put(dev_priv);
685534ef Sagar Arun Kamble 2016-10-12  2596  
685534ef Sagar Arun Kamble 2016-10-12  2597  	mutex_unlock(&dev->struct_mutex);

:::::: The code at line 2589 was first introduced by commit
:::::: 685534ef4c8faff1f69c9962ad3013e17354ff8b drm/i915: Debugfs support for GuC logging control

:::::: TO: Sagar Arun Kamble <sagar.a.kamble@intel.com>
:::::: CC: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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