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Mon, 12 Feb 2024 12:25:15 +1100 (AEDT) Date: Mon, 12 Feb 2024 12:25:13 +1100 From: Stephen Rothwell To: Daniel Vetter Cc: Christian =?UTF-8?B?S8O2bmln?= , Somalapuram Amaranath , Intel Graphics , DRI , Linux Kernel Mailing List , Linux Next Mailing List , Dave Airlie Subject: Re: linux-next: build failure after merge of the drm-misc tree Message-ID: <20240212122513.062a3b35@canb.auug.org.au> In-Reply-To: <20240206152850.333f620d@canb.auug.org.au> References: <20240206152850.333f620d@canb.auug.org.au> 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_/x585PivuSvMebdPb5YpnyzL"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/x585PivuSvMebdPb5YpnyzL Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, On Tue, 6 Feb 2024 15:28:50 +1100 Stephen Rothwell w= rote: > > After merging the drm-misc tree, today's linux-next build (i386 defconfig) > failed like this: >=20 > In function 'i915_ttm_placement_from_obj', > inlined from 'i915_ttm_get_pages' at drivers/gpu/drm/i915/gem/i915_ge= m_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_pages': > drivers/gpu/drm/i915/gem/i915_gem_ttm.c:837:26: note: 'places' declared h= ere > 837 | struct ttm_place places[I915_TTM_MAX_PLACEMENTS + 1]; > | ^~~~~~ >=20 > Caused by commit >=20 > a78a8da51b36 ("drm/ttm: replace busy placement with flags v6") >=20 > I applied the following hack for today: >=20 > From: Stephen Rothwell > Date: Tue, 6 Feb 2024 15:17:54 +1100 > Subject: [PATCH] drm/ttm: initialise places >=20 > Signed-off-by: Stephen Rothwell > --- > drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i9= 15/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_o= bject *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 I am still applying the above patch :-( --=20 Cheers, Stephen Rothwell --Sig_/x585PivuSvMebdPb5YpnyzL Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmXJc3kACgkQAVBC80lX 0GzyWQf8DEwy3D9cj8T/rxk2jdAB76rQVtp4C8LU3BXNWH9jjryjtoepjKDPtkcW txcB8O417p3T5fX/UHxamm0B/rWKYqIzdMWxwUpFb0s1MAIt3BxAGrdlH3TaS9BN u6OrWNQo/3W7ixjuGT5jJJwuEPnGVGPOSlDRswUPON711II3epDR7zuEX/isqByJ HjXh2DK8vJR4TFX559KwJfM7i7yhOKaleGks1I1t2+iE4zEInibmaCbXAKVYG4i9 OccXLh2o18szdq6feUSts4BzZAIav+tZp9BdcvM9XGphJZvLMbwwqpy8sZcTrAJl I8cfLQdibIufuKx9+v6vwhQlySWBsw== =dfOJ -----END PGP SIGNATURE----- --Sig_/x585PivuSvMebdPb5YpnyzL--