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Tue, 6 Feb 2024 15:28:52 +1100 (AEDT) Date: Tue, 6 Feb 2024 15:28:50 +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 Subject: linux-next: build failure after merge of the drm-misc tree Message-ID: <20240206152850.333f620d@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/3Y6MoHeU/vcVg9/l.X7hCZH"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/3Y6MoHeU/vcVg9/l.X7hCZH Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the drm-misc tree, today's linux-next build (i386 defconfig) 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_pages': 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") 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_obj= ect *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 Cheers, Stephen Rothwell --Sig_/3Y6MoHeU/vcVg9/l.X7hCZH Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmXBtYIACgkQAVBC80lX 0GxSHwf7B3D9Ebe7H+C1S84E/g/hlQwxf+jo8X+m4cEWbMKvzTuloTlIBADoL93W E4SolMFUwtAQtuAPTJIfJPfCwFGxPBUbqpY3cTzA6rBM6XHvLMjQLPubfeZoX6oB u0YtbT36l7g+26YUvQdz6FtFlA+X5A+bpVnX0KP1+sw6yhTNqRZEFjxoEvIeIMt+ EUOkKoSO6lcokZTcWVWQxiBDPGHFXW+jyzj9JcEI0i0FbcEmvYbUz25NXDSeU6PJ 3xAxI06Fe2ONdboipZyjWMnZNUO3iy24Wsp4RQ3eYLoL5QWYP8tgrTesTTaA8eyY WSqEqGwjt8cAeuR5aDcEoeSW116FbA== =rfsv -----END PGP SIGNATURE----- --Sig_/3Y6MoHeU/vcVg9/l.X7hCZH--