From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: Re: drm/i915: Inline feature detection into sanitize_enable_ppgtt Date: Tue, 28 Oct 2014 13:52:51 +0300 Message-ID: <20141028105251.GA7932@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by gabe.freedesktop.org (Postfix) with ESMTP id 163826E44D for ; Tue, 28 Oct 2014 03:53:05 -0700 (PDT) Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: chris@chris-wilson.co.uk Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SGVsbG8gQ2hyaXMgV2lsc29uLAoKVGhlIHBhdGNoIDE4OTNhNzFiMWViYTogImRybS9pOTE1OiBJ bmxpbmUgZmVhdHVyZSBkZXRlY3Rpb24gaW50bwpzYW5pdGl6ZV9lbmFibGVfcHBndHQiIGZyb20g U2VwIDE5LCAyMDE0LCBsZWFkcyB0byB0aGUgZm9sbG93aW5nCnN0YXRpYyBjaGVja2VyIHdhcm5p bmc6CgoJZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmM6NzAgc2FuaXRpemVfZW5h YmxlX3BwZ3R0KCkKCXdhcm46IHdlIHRlc3RlZCAnaGFzX2FsaWFzaW5nX3BwZ3R0JyBiZWZvcmUg YW5kIGl0IHdhcyAndHJ1ZScKCmRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCiAg ICAzNiAgc3RhdGljIGludCBzYW5pdGl6ZV9lbmFibGVfcHBndHQoc3RydWN0IGRybV9kZXZpY2Ug KmRldiwgaW50IGVuYWJsZV9wcGd0dCkKICAgIDM3ICB7CiAgICAzOCAgICAgICAgICBib29sIGhh c19hbGlhc2luZ19wcGd0dDsKICAgIDM5ICAgICAgICAgIGJvb2wgaGFzX2Z1bGxfcHBndHQ7CiAg ICA0MCAgCiAgICA0MSAgICAgICAgICBoYXNfYWxpYXNpbmdfcHBndHQgPSBJTlRFTF9JTkZPKGRl diktPmdlbiA+PSA2OwogICAgNDIgICAgICAgICAgaGFzX2Z1bGxfcHBndHQgPSBJTlRFTF9JTkZP KGRldiktPmdlbiA+PSA3OwogICAgNDMgICAgICAgICAgaWYgKElTX0dFTjgoZGV2KSkKICAgIDQ0 ICAgICAgICAgICAgICAgICAgaGFzX2Z1bGxfcHBndHQgPSBmYWxzZTsgLyogWFhYIHdoeT8gKi8K ICAgIDQ1ICAKICAgIDQ2ICAgICAgICAgIGlmIChlbmFibGVfcHBndHQgPT0gMCB8fCAhaGFzX2Fs aWFzaW5nX3BwZ3R0KQogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIF5e Xl5eXl5eXl5eXl5eXl5eXl4KVGhlIHBhdGNoIGludHJvZHVjZXMgdGhpcyBjb25kaXRpb24uCgog ICAgNDcgICAgICAgICAgICAgICAgICByZXR1cm4gMDsKICAgIDQ4ICAKICAgIDQ5ICAgICAgICAg IGlmIChlbmFibGVfcHBndHQgPT0gMSkKICAgIDUwICAgICAgICAgICAgICAgICAgcmV0dXJuIDE7 CiAgICA1MSAgCiAgICA1MiAgICAgICAgICBpZiAoZW5hYmxlX3BwZ3R0ID09IDIgJiYgaGFzX2Z1 bGxfcHBndHQpCiAgICA1MyAgICAgICAgICAgICAgICAgIHJldHVybiAyOwogICAgNTQgIAogICAg NTUgICNpZmRlZiBDT05GSUdfSU5URUxfSU9NTVUKICAgIDU2ICAgICAgICAgIC8qIERpc2FibGUg cHBndHQgb24gU05CIGlmIFZULWQgaXMgb24uICovCiAgICA1NyAgICAgICAgICBpZiAoSU5URUxf SU5GTyhkZXYpLT5nZW4gPT0gNiAmJiBpbnRlbF9pb21tdV9nZnhfbWFwcGVkKSB7CiAgICA1OCAg ICAgICAgICAgICAgICAgIERSTV9JTkZPKCJEaXNhYmxpbmcgUFBHVFQgYmVjYXVzZSBWVC1kIGlz IG9uXG4iKTsKICAgIDU5ICAgICAgICAgICAgICAgICAgcmV0dXJuIDA7CiAgICA2MCAgICAgICAg ICB9CiAgICA2MSAgI2VuZGlmCiAgICA2MiAgCiAgICA2MyAgICAgICAgICAvKiBFYXJseSBWTFYg ZG9lc24ndCBoYXZlIHRoaXMgKi8KICAgIDY0ICAgICAgICAgIGlmIChJU19WQUxMRVlWSUVXKGRl dikgJiYgIUlTX0NIRVJSWVZJRVcoZGV2KSAmJgogICAgNjUgICAgICAgICAgICAgIGRldi0+cGRl di0+cmV2aXNpb24gPCAweGIpIHsKICAgIDY2ICAgICAgICAgICAgICAgICAgRFJNX0RFQlVHX0RS SVZFUigiZGlzYWJsaW5nIFBQR1RUIG9uIHByZS1CMyBzdGVwIFZMVlxuIik7CiAgICA2NyAgICAg ICAgICAgICAgICAgIHJldHVybiAwOwogICAgNjggICAgICAgICAgfQogICAgNjkgIAogICAgNzAg ICAgICAgICAgcmV0dXJuIGhhc19hbGlhc2luZ19wcGd0dCA/IDEgOiAwOwogICAgICAgICAgICAg ICAgICAgICAgIF5eXl5eXl5eXl5eXl5eXl5eXgpUaGUgcGF0Y2ggaW50cm9kdWNlcyB0aGlzIGFs cmVhZHkga25vd24gY29uZGl0aW9uLgoKICAgIDcxICB9CgoKCnJlZ2FyZHMsCmRhbiBjYXJwZW50 ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwt Z2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK