linux-kernel - linux-next: build failure after merge of the drm-intel-fixes tree

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Date:   Wed, 4 Nov 2020 09:37:05 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>
Cc:     Chris Wilson <chris@...is-wilson.co.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the drm-intel-fixes tree

Hi all,

After merging the drm-intel-fixes tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'gen12_emit_fini_breadcrumb':
drivers/gpu/drm/i915/gt/intel_lrc.c:4998:31: error: implicit declaration of function '__gen8_emit_flush_dw'; did you mean 'gen8_emit_flush'? [-Werror=implicit-function-declaration]
 4998 |  cs = emit_xcs_breadcrumb(rq, __gen8_emit_flush_dw(cs, 0, 0, 0));
      |                               ^~~~~~~~~~~~~~~~~~~~
      |                               gen8_emit_flush
drivers/gpu/drm/i915/gt/intel_lrc.c:4998:31: warning: passing argument 2 of 'emit_xcs_breadcrumb' makes pointer from integer without a cast [-Wint-conversion]
 4998 |  cs = emit_xcs_breadcrumb(rq, __gen8_emit_flush_dw(cs, 0, 0, 0));
      |                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                               |
      |                               int
drivers/gpu/drm/i915/gt/intel_lrc.c:4902:63: note: expected 'u32 *' {aka 'unsigned int *'} but argument is of type 'int'
 4902 | static u32 *emit_xcs_breadcrumb(struct i915_request *rq, u32 *cs)
      |                                                          ~~~~~^~

Caused by commit

  c94d65d2ff6d ("drm/i915/gt: Flush xcs before tgl breadcrumbs")

I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell

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