From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: "Summers, Stuart" Date: Wed, 13 Nov 2019 20:38:04 +0000 Message-ID: <789bee54be0f0ccfb083aaeb5158f56b08205bba.camel@intel.com> References: <20191109151002.20767-1-chris@chris-wilson.co.uk> In-Reply-To: <20191109151002.20767-1-chris@chris-wilson.co.uk> Content-Language: en-US MIME-Version: 1.0 Subject: Re: [igt-dev] [PATCH i-g-t] i915/gem_blits: Use common igt_fls() List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1319145948==" Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: "intel-gfx@lists.freedesktop.org" , "chris@chris-wilson.co.uk" Cc: "igt-dev@lists.freedesktop.org" List-ID: --===============1319145948== Content-Language: en-US Content-Type: multipart/signed; micalg=sha-1; protocol="application/x-pkcs7-signature"; boundary="=-R+d/W5SbPj+xE1tiuODw" --=-R+d/W5SbPj+xE1tiuODw Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2019-11-09 at 15:10 +0000, Chris Wilson wrote: > igt_aux.h already provides the optimal igt_fls(), so use that in > preference to open coding the brute force version. >=20 > Reported-by: Stuart Summers > Signed-off-by: Chris Wilson > Cc: Stuart Summers Thanks for the look here Chris :) -Stuart > --- > tests/i915/gem_blits.c | 12 +----------- > 1 file changed, 1 insertion(+), 11 deletions(-) >=20 > diff --git a/tests/i915/gem_blits.c b/tests/i915/gem_blits.c > index e0346a7c7..f9cb12bb8 100644 > --- a/tests/i915/gem_blits.c > +++ b/tests/i915/gem_blits.c > @@ -57,16 +57,6 @@ enum mode { > WC, > }; > =20 > -static int fls(uint64_t x) > -{ > - int t; > - > - for (t =3D 0; x >> t; t++) > - ; > - > - return t; > -} > - > static unsigned int > get_tiling_stride(const struct device *device, > unsigned int width, unsigned int tiling) > @@ -81,7 +71,7 @@ get_tiling_stride(const struct device *device, > else > stride =3D ALIGN(stride, 128); > if (device->gen < 4) > - stride =3D 1 << fls(stride - 1); > + stride =3D 1 << igt_fls(stride - 1); > } else { > if (device->gen >=3D 8) > stride =3D ALIGN(stride, 64); --=-R+d/W5SbPj+xE1tiuODw Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIKcTCCBOsw ggPToAMCAQICEDabxALowUBS+21KC0JI8fcwDQYJKoZIhvcNAQEFBQAwbzELMAkGA1UEBhMCU0Ux FDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5hbCBUVFAgTmV0 d29yazEiMCAGA1UEAxMZQWRkVHJ1c3QgRXh0ZXJuYWwgQ0EgUm9vdDAeFw0xMzEyMTEwMDAwMDBa Fw0yMDA1MzAxMDQ4MzhaMHkxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJDQTEUMBIGA1UEBxMLU2Fu dGEgQ2xhcmExGjAYBgNVBAoTEUludGVsIENvcnBvcmF0aW9uMSswKQYDVQQDEyJJbnRlbCBFeHRl cm5hbCBCYXNpYyBJc3N1aW5nIENBIDRCMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA yzuW/y/g0bznz8BD48M94luFzqHaqY9yGN9H/W0J7hOVBpl0rTQJ6kZ7z7hyDb9kf2UW4ZU25alC 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