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Tue, 20 Feb 2024 08:48:22 +1100 (AEDT) Date: Tue, 20 Feb 2024 08:48:21 +1100 From: Stephen Rothwell To: Jani Nikula Cc: Daniel Vetter , Christian =?UTF-8?B?S8O2bmln?= , Somalapuram Amaranath , Intel Graphics , DRI , Linux Kernel Mailing List , Linux Next Mailing List , zack.rusin@broadcom.com, tzimmermann@suse.de, thomas.hellstrom@linux.intel.com, Joonas Lahtinen , Tvrtko Ursulin Subject: Re: linux-next: build failure after merge of the drm-misc tree Message-ID: <20240220084821.1c852736@canb.auug.org.au> In-Reply-To: <87y1bp962d.fsf@intel.com> References: <20240206152850.333f620d@canb.auug.org.au> <87y1bp962d.fsf@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/=hETOlCBc/Rva5F/B2qRy/p"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/=hETOlCBc/Rva5F/B2qRy/p Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, On Mon, 12 Feb 2024 15:15:54 +0200 Jani Nikula wrote: > > On Tue, 06 Feb 2024, Stephen Rothwell wrote: > > > > After merging the drm-misc tree, today's linux-next build (i386 defconf= ig) > > failed like this: > > > > In function 'i915_ttm_placement_from_obj', > > inlined from 'i915_ttm_get_pages' at drivers/gpu/drm/i915/gem/i915_= gem_ttm.c:847:2: > > drivers/gpu/drm/i915/gem/i915_gem_ttm.c:165:18: error: 'places[0].flags= ' is used uninitialized [-Werror=3Duninitialized] > > 165 | places[0].flags |=3D TTM_PL_FLAG_DESIRED; > > | ~~~~~~~~~^~~~~~ > > drivers/gpu/drm/i915/gem/i915_gem_ttm.c: In function 'i915_ttm_get_page= s': > > drivers/gpu/drm/i915/gem/i915_gem_ttm.c:837:26: note: 'places' declared= here > > 837 | struct ttm_place places[I915_TTM_MAX_PLACEMENTS + 1]; > > | ^~~~~~ > > > > Caused by commit > > > > a78a8da51b36 ("drm/ttm: replace busy placement with flags v6") =20 >=20 > Cc: more people. >=20 > > > > I applied the following hack for today: > > > > From: Stephen Rothwell > > Date: Tue, 6 Feb 2024 15:17:54 +1100 > > Subject: [PATCH] drm/ttm: initialise places > > > > Signed-off-by: Stephen Rothwell > > --- > > drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/= i915/gem/i915_gem_ttm.c > > index 80c6cafc8887..34e699e67c25 100644 > > --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c > > +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c > > @@ -834,7 +834,7 @@ static int __i915_ttm_get_pages(struct drm_i915_gem= _object *obj, > > =20 > > static int i915_ttm_get_pages(struct drm_i915_gem_object *obj) > > { > > - struct ttm_place places[I915_TTM_MAX_PLACEMENTS + 1]; > > + struct ttm_place places[I915_TTM_MAX_PLACEMENTS + 1] =3D {}; > > struct ttm_placement placement; > > =20 > > /* restricted by sg_alloc_table */ > > --=20 > > 2.43.0 =20 I am still applying the above patch ... --=20 Cheers, Stephen Rothwell --Sig_/=hETOlCBc/Rva5F/B2qRy/p Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmXTzKUACgkQAVBC80lX 0GyGDAf9E+BqXJzdj/6Ki83zdwo+fd5+lVvR7hn5dyAE2Z8Fq84gvByR8sifzSA+ 1Yqkz1+WPRw29iZbSfsBrw8gQ6hnqe3BtfQ/0PmO3Dr3JOQVZIQw4w6JhdvkRtD2 7meCBF6e0xtIz7UFFcRj2dJEei7nT/s+2jXOyWeEk9Q7QNqx3cZvnIJnW9J9x9wD dY2ynhbBLS2K+aac2WNDEEY3Q31EhaTC7W34HGslne/hkQac8VfEJ63YasZ23ZBm kYJphpLjhmlG2JS96gPjOcnb22HLQWyyu8GsnAETTTW/fGssUxBAC0fSryLA1PD+ vuSxAjM3Cmn+KC2wk++mL27uAIcvwg== =M1WM -----END PGP SIGNATURE----- --Sig_/=hETOlCBc/Rva5F/B2qRy/p--