linux-kernel - linux-next: build warning after merge of the drm tree

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Date: Tue, 2 Jan 2024 11:12:22 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Dave Airlie <airlied@...hat.com>
Cc: DRI <dri-devel@...ts.freedesktop.org>, Andrzej Hajda
 <andrzej.hajda@...el.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: linux-next: build warning after merge of the drm tree

Hi all,

After merging the drm tree, today's linux-next build (x86_64 allmodconfig)
produced this warning:

In file included from include/drm/drm_mm.h:51,
                 from drivers/gpu/drm/xe/xe_bo_types.h:11,
                 from drivers/gpu/drm/xe/xe_bo.h:11,
                 from drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h:11,
                 from drivers/gpu/drm/xe/compat-i915-headers/i915_drv.h:15,
                 from drivers/gpu/drm/i915/display/intel_display_power.c:8:
drivers/gpu/drm/i915/display/intel_display_power.c: In function 'print_async_put_domains_state':
drivers/gpu/drm/i915/display/intel_display_power.c:408:29: warning: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'int' [-Wformat=]
  408 |         drm_dbg(&i915->drm, "async_put_wakeref %lu\n",
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~
  409 |                 power_domains->async_put_wakeref);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                              |
      |                              int
include/drm/drm_print.h:410:39: note: in definition of macro 'drm_dev_dbg'
  410 |         __drm_dev_dbg(NULL, dev, cat, fmt, ##__VA_ARGS__)
      |                                       ^~~
include/drm/drm_print.h:510:33: note: in expansion of macro 'drm_dbg_driver'
  510 | #define drm_dbg(drm, fmt, ...)  drm_dbg_driver(drm, fmt, ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_display_power.c:408:9: note: in expansion of macro 'drm_dbg'
  408 |         drm_dbg(&i915->drm, "async_put_wakeref %lu\n",
      |         ^~~~~~~
drivers/gpu/drm/i915/display/intel_display_power.c:408:50: note: format string is defined here
  408 |         drm_dbg(&i915->drm, "async_put_wakeref %lu\n",
      |                                                ~~^
      |                                                  |
      |                                                  long unsigned int
      |                                                %u

Introduced by commit

  b49e894c3fd8 ("drm/i915: Replace custom intel runtime_pm tracker with ref_tracker library")

This would be an error except that I am building with CONFIG_WERROR=n
-- 
Cheers,
Stephen Rothwell

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