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From: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com>
To: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
	"Christian Koenig" <christian.koenig@amd.com>,
	"Huang Rui" <ray.huang@amd.com>,
	"David Airlie" <airlied@gmail.com>,
	"Daniel Vetter" <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: mainline build failure due to 322458c2bb1a ("drm/ttm: Reduce the number of used allocation orders for TTM pages")
Date: Wed, 26 Apr 2023 18:44:42 +0100	[thread overview]
Message-ID: <ZEljCgVFnDl/C+l3@debian> (raw)

Hi All,

The latest mainline kernel branch fails to build powerpc allmodconfig
with the error:


drivers/gpu/drm/ttm/ttm_pool.c:73:29: error: variably modified 'global_write_combined' at file scope
   73 | static struct ttm_pool_type global_write_combined[TTM_DIM_ORDER];
      |                             ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/ttm/ttm_pool.c:74:29: error: variably modified 'global_uncached' at file scope
   74 | static struct ttm_pool_type global_uncached[TTM_DIM_ORDER];
      |                             ^~~~~~~~~~~~~~~
drivers/gpu/drm/ttm/ttm_pool.c:76:29: error: variably modified 'global_dma32_write_combined' at file scope
   76 | static struct ttm_pool_type global_dma32_write_combined[TTM_DIM_ORDER];
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/ttm/ttm_pool.c:77:29: error: variably modified 'global_dma32_uncached' at file scope
   77 | static struct ttm_pool_type global_dma32_uncached[TTM_DIM_ORDER];
      |                             ^~~~~~~~~~~~~~~~~~~~~


git bisect pointed to 322458c2bb1a ("drm/ttm: Reduce the number of used allocation orders for TTM pages")

I will be happy to test any patch or provide any extra log if needed.


-- 
Regards
Sudip

             reply	other threads:[~2023-04-26 17:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-26 17:44 Sudip Mukherjee (Codethink) [this message]
2023-04-26 18:30 ` mainline build failure due to 322458c2bb1a ("drm/ttm: Reduce the number of used allocation orders for TTM pages") Linus Torvalds
2023-04-26 19:02   ` Christian König
2023-04-26 22:49   ` Michael Ellerman

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