From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 2/3] drm/i915: Track minimum acceptable cdclk instead of "minimum dotclock" Date: Fri, 7 Jul 2017 21:28:44 +0300 Message-ID: <20170707182844.GH12629@intel.com> References: <20170707102450.3152-1-ville.syrjala@linux.intel.com> <20170707102450.3152-2-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 589376E76A for ; Fri, 7 Jul 2017 18:28:48 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20170707102450.3152-2-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: Dhinakaran Pandiyan , Paulo Zanoni , Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKdWwgMDcsIDIwMTcgYXQgMDE6MjQ6NDlQTSArMDMwMCwgdmlsbGUuc3lyamFsYUBs aW51eC5pbnRlbC5jb20gd3JvdGU6Cj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4KPiAKPiBNYWtlIHRoZSBtaW5fcGl4Y2xrIHRoaW5nIGxlc3Mg Y29uZnVzaW5nIGJ5IGNoYW5naW5nIGl0IHRvIHRyYWNrCj4gdGhlIG1pbmltdW0gYWNjZXB0YWJs ZSBjZGNsayBmcmVxdWVuY3kgaW5zdGVhZC4gVGhpcyBtZWFucyBtb3ZpbmcKPiB0aGUgYXBwbGlj YXRpb24gb2YgdGhlIGd1YXJkYmFuZHMgdG8gYSBzbGlnaHRseSBoaWdoZXIgbGV2ZWwgZnJvbQo+ IHRoZSBsb3cgbGV2ZWwgcGxhdGZvcm0gc3BlY2lmaWMgY2FsY19jZGNsaygpIGZ1bmN0aW9ucy4K PiAKPiBUaGUgaW1tZWRpYXRlIGJlbmVmaXQgaXMgZWxpbWluYXRpb24gb2YgdGhlIGNvbmZ1c2lu ZyAyeCBmYWN0b3JzCj4gb24gR0xLL0NOTCsgaW4gdGhlIGF1ZGlvIHdvcmthcm91bmRzICh3aGlj aCBzdGVtcyBmcm9tIHRoZSBmYWN0Cj4gdGhhdCB0aGUgcGlwZXMgcHJvZHVjZSB0d28gcGl4ZWxz IHBlciBjbG9jaykuCj4gCj4gQ2M6IFBhdWxvIFphbm9uaSA8cGF1bG8uci56YW5vbmlAaW50ZWwu Y29tPgo+IENjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+Cj4gQ2M6IERo aW5ha2FyYW4gUGFuZGl5YW4gPGRoaW5ha2FyYW4ucGFuZGl5YW5AaW50ZWwuY29tPgo+IENjOiBN YWFydGVuIExhbmtob3JzdCA8bWFhcnRlbi5sYW5raG9yc3RAbGludXguaW50ZWwuY29tPgo+IFNp Z25lZC1vZmYtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5j b20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggICAgICB8ICAxMiAr Ky0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYyAgIHwgMTc5ICsrKysrKysr KysrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2Rpc3BsYXkuYyB8ICAyMSArKy0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5o ICAgICB8ICAgNCArLQo+ICA0IGZpbGVzIGNoYW5nZWQsIDEwNyBpbnNlcnRpb25zKCspLCAxMDkg ZGVsZXRpb25zKC0pCj4KPHNuaXA+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2NkY2xrLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9jZGNsay5jCj4gaW5k ZXggOWUwZGVlYmFlMjc5Li44MmU1YmM5NjdjY2EgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfY2RjbGsuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2NkY2xrLmMKPiBAQCAtMTczMiwyMSArMTcyMyw0NyBAQCB2b2lkIGludGVsX3NldF9jZGNsayhz dHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4gIAlkZXZfcHJpdi0+ZGlzcGxheS5z ZXRfY2RjbGsoZGV2X3ByaXYsIGNkY2xrX3N0YXRlKTsKPiAgfQo+ICAKPiAtc3RhdGljIGludCBi ZHdfYWRqdXN0X21pbl9waXBlX3BpeGVsX3JhdGUoc3RydWN0IGludGVsX2NydGNfc3RhdGUgKmNy dGNfc3RhdGUsCj4gLQkJCQkJICBpbnQgcGl4ZWxfcmF0ZSkKPiArc3RhdGljIGludCBpbnRlbF9t aW5fY2RjbGsoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAo+ICsJCQkgICBpbnQg cGl4ZWxfcmF0ZSkKPiArewo+ICsJaWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gMTApCj4gKwkJ cmV0dXJuIERJVl9ST1VORF9VUChwaXhlbF9yYXRlLCAyKTsKClJvZHJpZ28sIHNvIHRoaXMgcGFy dCBoZXJlIGNvdWxkIGJlIHdoeSB5b3VyIENOTCBubyBsb25nZXIgd29ya3MuCgpJZiB5b3UgaGF2 ZSB0aW1lIHRvIHRyeSBpdCwgdGhlbiBJIHRoaW5rIGNoYW5naW5nIHRoaXMgdG8ganVzdAoncmV0 dXJuIHBpeGVsX3JhdGU7JyBzaG91bGQgZ2V0IHVzIGJhY2sgdG8gdGhlIG9sZCBiZWhhdmlvdXIu Cgo+ICsJZWxzZSBpZiAoSVNfR0VNSU5JTEFLRShkZXZfcHJpdikpCj4gKwkJLyoKPiArCQkgKiBG SVhNRTogQXZvaWQgdXNpbmcgYSBwaXhlbCBjbG9jayB0aGF0IGlzIG1vcmUgdGhhbiA5OSUgb2Yg dGhlIGNkY2xrCj4gKwkJICogYXMgYSB0ZW1wb3Jhcnkgd29ya2Fyb3VuZC4gVXNlIGEgaGlnaGVy IGNkY2xrIGluc3RlYWQuIChOb3RlIHRoYXQKPiArCQkgKiBpbnRlbF9jb21wdXRlX21heF9kb3Rj bGsoKSBsaW1pdHMgdGhlIG1heCBwaXhlbCBjbG9jayB0byA5OSUgb2YgbWF4Cj4gKwkJICogY2Rj bGsuKQo+ICsJCSAqLwo+ICsJCXJldHVybiBESVZfUk9VTkRfVVAocGl4ZWxfcmF0ZSAqIDEwMCwg MiAqIDk5KTsKPiArCWVsc2UgaWYgKElTX0dFTjkoZGV2X3ByaXYpIHx8Cj4gKwkJIElTX0JST0FE V0VMTChkZXZfcHJpdikgfHwgSVNfSEFTV0VMTChkZXZfcHJpdikpCj4gKwkJcmV0dXJuIHBpeGVs X3JhdGU7Cj4gKwllbHNlIGlmIChJU19DSEVSUllWSUVXKGRldl9wcml2KSkKPiArCQlyZXR1cm4g RElWX1JPVU5EX1VQKHBpeGVsX3JhdGUgKiAxMDAsIDk1KTsKPiArCWVsc2UKPiArCQlyZXR1cm4g RElWX1JPVU5EX1VQKHBpeGVsX3JhdGUgKiAxMDAsIDkwKTsKPiArfQo+ICsKCi0tIApWaWxsZSBT eXJqw6Rsw6QKSW50ZWwgT1RDCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lu dGVsLWdmeAo=