From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/9] drm/i915: Check pixel clock when setting mode for DP Date: Mon, 6 Jul 2015 12:23:46 +0300 Message-ID: <20150706092346.GJ5176@intel.com> References: <1435923357-3821-1-git-send-email-mika.kahola@intel.com> <1435923357-3821-2-git-send-email-mika.kahola@intel.com> <20150703125715.GE5176@intel.com> <559A2405.8090700@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id BDFFF89FA7 for ; Mon, 6 Jul 2015 02:23:58 -0700 (PDT) Content-Disposition: inline In-Reply-To: <559A2405.8090700@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sivakumar Thulasimani Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBKdWwgMDYsIDIwMTUgYXQgMTI6MTU6MjVQTSArMDUzMCwgU2l2YWt1bWFyIFRodWxh c2ltYW5pIHdyb3RlOgo+IAo+IAo+IE9uIDcvMy8yMDE1IDY6MjcgUE0sIFZpbGxlIFN5cmrDpGzD pCB3cm90ZToKPiA+IE9uIEZyaSwgSnVsIDAzLCAyMDE1IGF0IDAyOjM1OjQ5UE0gKzAzMDAsIE1p a2EgS2Fob2xhIHdyb3RlOgo+ID4+IEl0IGlzIHBvc3NpYmxlIHRoZSB3ZSByZXF1ZXN0IHRvIGhh dmUgYSBtb2RlIHRoYXQgaGFzCj4gPj4gaGlnaGVyIHBpeGVsIGNsb2NrIHRoYW4gb3VyIEhXIGNh biBzdXBwb3J0LiBUaGlzIHBhdGNoCj4gPj4gY2hlY2tzIGlmIHJlcXVlc3RlZCBwaXhlbCBjbG9j ayBpcyBsb3dlciB0aGFuIHRoZSBvbmUKPiA+PiBzdXBwb3J0ZWQgYnkgdGhlIEhXLiBUaGUgcmVx dWVzdGVkIG1vZGUgaXMgZGlzY2FyZGVkCj4gPj4gaWYgd2UgY2Fubm90IHN1cHBvcnQgdGhlIHJl cXVlc3RlZCBwaXhlbCBjbG9jay4KPiA+Pgo+ID4+IFRoaXMgcGF0Y2ggYXBwbGllcyB0byBEaXNw bGF5UG9ydC4KPiA+Pgo+ID4+IFNpZ25lZC1vZmYtYnk6IE1pa2EgS2Fob2xhIDxtaWthLmthaG9s YUBpbnRlbC5jb20+Cj4gPj4gLS0tCj4gPj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k cC5jIHwgMjUgKysrKysrKysrKysrKysrKysrKysrKysrLQo+ID4+ICAgMSBmaWxlIGNoYW5nZWQs IDI0IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiA+Pgo+ID4+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZHAuYwo+ID4+IGluZGV4IGZjYzY0ZTUuLjJlNTVkZmYgMTAwNjQ0Cj4gPj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ID4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2RwLmMKPiA+PiBAQCAtMTk3LDYgKzE5NywyNiBAQCBpbnRlbF9kcF9tYXhfZGF0 YV9yYXRlKGludCBtYXhfbGlua19jbG9jaywgaW50IG1heF9sYW5lcykKPiA+PiAgIAlyZXR1cm4g KG1heF9saW5rX2Nsb2NrICogbWF4X2xhbmVzICogOCkgLyAxMDsKPiA+PiAgIH0KPiA+PiAgIAo+ ID4+ICtzdGF0aWMgaW50Cj4gPj4gK2ludGVsX2RwX21heF9waXhjbGsoc3RydWN0IGludGVsX2Rw ICppbnRlbF9kcCkKPiA+PiArewo+ID4+ICsJc3RydWN0IGludGVsX2RpZ2l0YWxfcG9ydCAqaW50 ZWxfZGlnX3BvcnQgPSBkcF90b19kaWdfcG9ydChpbnRlbF9kcCk7Cj4gPj4gKwlzdHJ1Y3QgaW50 ZWxfZW5jb2RlciAqZW5jb2RlciA9ICZpbnRlbF9kaWdfcG9ydC0+YmFzZTsKPiA+PiArCXN0cnVj dCBkcm1fZGV2aWNlICpkZXYgPSBlbmNvZGVyLT5iYXNlLmRldjsKPiA+PiArCXN0cnVjdCBkcm1f Y3J0YyAqY3J0YyA9IGludGVsX2RpZ19wb3J0LT5iYXNlLmJhc2UuY3J0YzsKPiA+PiArCXN0cnVj dCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IHRvX2k5MTUoZGV2KTsKPiA+PiArCXN0cnVj dCBpbnRlbF9jcnRjICppbnRlbF9jcnRjID0gdG9faW50ZWxfY3J0YyhjcnRjKTsKPiA+PiArCj4g Pj4gKwlpZiAoSVNfQ0hFUlJZVklFVyhkZXYpKQo+ID4+ICsJCXJldHVybiAgRElWX1JPVU5EX1VQ KGRldl9wcml2LT5tYXhfY2RjbGtfZnJlcSAqIDEwMCwgOTUpOwo+ID4gTWF5YmUgd2Ugc2hvdWxk IHByZWNvbXB1dGUgdGhpcyBzdHVmZiBhbmQgc3RvcmUgYXMgbWF4X2RvdGNsb2NrIGludG8gZGV2 X3ByaXY/Cj4gPiBJdCBoYXMgcmVhbGx5IG5vdGhpbmcgdG8gZG8gd2l0aCBEUC4KPiA+Cj4gPj4g KwllbHNlIGlmIChJU19WQUxMRVlWSUVXKGRldikpCj4gPj4gKwkJcmV0dXJuICBESVZfUk9VTkRf VVAoZGV2X3ByaXYtPm1heF9jZGNsa19mcmVxICogMTAwLCA5MCk7Cj4gPj4gKwllbHNlIGlmIChJ U19CUk9BRFdFTEwoZGV2KSAmJiBpbnRlbF9jcnRjLT5jb25maWctPmlwc19lbmFibGVkKQo+ID4g WW91IGNhbid0IGxvb2sgYXQgdGhlIGN1cnJlbnQgY3J0YyBjb25maWcgYXQgdGhpcyBwb2ludC4g SGVyZSB3ZSBqdXN0Cj4gPiBuZWVkIHRvIGNvbnNpZGVyIHRoZSBtYXggd2UgY2FuIHN1cHBvcnQg dW5kZXIgYW55IGNvbmRpdGlvbnMgYW5kIGZpbHRlcgo+ID4gdGhlIG1vZGVzIGJhc2VkIG9uIHRo YXQuIFRoYXQgZG9lcyBtZWFuIHRoYXQgdW5kZXIgc29tZSBjaXJjdW1zdGFuY2VzCj4gPiBub3Qg YWxsIG9mIHRoZSB2YWxpZGF0ZWQgbW9kZXMgd2lsbCBhY3R1YWxseSB3b3JrLCBidXQgdGhlcmUn cyByZWFsbHkKPiA+IG5vdGhpbmcgc2Vuc2libGUgd2UgY2FuIGRvIGFib3V0IHRoYXQuCj4gPgo+ ID4gSW4gdGhlIHNwZWNpZmljIGNhc2Ugb2YgSVBTLCB3ZSBjYW4gYWx3YXlzIGNob29zZSB0byBk aXNhYmxlIGl0IGF0Cj4gPiBtb2Rlc2V0IHRpbWUgaWYgdGhlIG1vZGUgd291bGQgb3RoZXJ3aXNl IGV4Y2VlZCB0aGUgbGltaXQuIFNvIElQUyBpcwo+ID4gbmV2ZXIgYSBnb29kIHJlYXNvbiBmb3Ig cmVqZWN0aW5nIGEgbW9kZS4KPiA+Cj4gPj4gKwkJcmV0dXJuICBESVZfUk9VTkRfVVAoZGV2X3By aXYtPm1heF9jZGNsa19mcmVxICogMTAwLCA5NSk7Cj4gPj4gKwllbHNlCj4gPj4gKwkJcmV0dXJu IGRldl9wcml2LT5tYXhfY2RjbGtfZnJlcTsKPiA+IDkwJSBpcyB0aGUgY29ycmVjdCBsaW1pdCBm b3IgYWxsIG9sZGVyIHBsYXRmb3Jtcy4KPiA+Cj4gPiBFeGNlcHRpb25zIGFyZSBDSFYgd2hpY2gg aGFzIHRoZSA5NSUgbGltaXQsIGFuZCBzdGFydGluZyBmcm9tIEhTVysKPiA+IHdlIHNob3VsZCBi ZSBhYmxlIHRvIGhhbmRsZSAxMDAlLgo+ID4KPiA+IEZvciBnZW4yLzMgd2UgYWxzbyBoYXZlIHRo ZSBvcHRpb24gb2YgdXNpbmcgZG91YmxlIHdpZGUgbW9kZSB3aGljaCBtZWFucwo+ID4gdGhlIGxp bWl0IHRoZXJlIHNob3VsZCBiZSAyICogY2RjbGsgKiA5IC8gMTAuCj4gPgo+ID4+ICt9Cj4gPj4g Kwo+ID4+ICAgc3RhdGljIGVudW0gZHJtX21vZGVfc3RhdHVzCj4gPj4gICBpbnRlbF9kcF9tb2Rl X3ZhbGlkKHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCj4gPj4gICAJCSAgICBzdHJ1 Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqbW9kZSkKPiA+PiBAQCAtMjA2LDYgKzIyNiw3IEBAIGludGVs X2RwX21vZGVfdmFsaWQoc3RydWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvciwKPiA+PiAgIAlz dHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqZml4ZWRfbW9kZSA9IGludGVsX2Nvbm5lY3Rvci0+cGFu ZWwuZml4ZWRfbW9kZTsKPiA+PiAgIAlpbnQgdGFyZ2V0X2Nsb2NrID0gbW9kZS0+Y2xvY2s7Cj4g Pj4gICAJaW50IG1heF9yYXRlLCBtb2RlX3JhdGUsIG1heF9sYW5lcywgbWF4X2xpbmtfY2xvY2s7 Cj4gPj4gKwlpbnQgbWF4X3BpeGNsazsKPiA+PiAgIAo+ID4+ICAgCWlmIChpc19lZHAoaW50ZWxf ZHApICYmIGZpeGVkX21vZGUpIHsKPiA+PiAgIAkJaWYgKG1vZGUtPmhkaXNwbGF5ID4gZml4ZWRf bW9kZS0+aGRpc3BsYXkpCj4gPj4gQEAgLTIyMyw3ICsyNDQsOSBAQCBpbnRlbF9kcF9tb2RlX3Zh bGlkKHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCj4gPj4gICAJbWF4X3JhdGUgPSBp bnRlbF9kcF9tYXhfZGF0YV9yYXRlKG1heF9saW5rX2Nsb2NrLCBtYXhfbGFuZXMpOwo+ID4+ICAg CW1vZGVfcmF0ZSA9IGludGVsX2RwX2xpbmtfcmVxdWlyZWQodGFyZ2V0X2Nsb2NrLCAxOCk7Cj4g Pj4gICAKPiA+PiAtCWlmIChtb2RlX3JhdGUgPiBtYXhfcmF0ZSkKPiA+PiArCW1heF9waXhjbGsg PSBpbnRlbF9kcF9tYXhfcGl4Y2xrKGludGVsX2RwKTsKPiA+PiArCj4gPj4gKwlpZiAoKG1vZGVf cmF0ZSA+IG1heF9yYXRlKSB8fCAodGFyZ2V0X2Nsb2NrID4gbWF4X3BpeGNsaykpCj4gPj4gICAJ CXJldHVybiBNT0RFX0NMT0NLX0hJR0g7Cj4gPj4gICAKPiA+PiAgIAlpZiAobW9kZS0+Y2xvY2sg PCAxMDAwMCkKPiA+PiAtLSAKPiA+PiAxLjkuMQo+ID4+Cj4gPj4gX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiA+PiBJbnRlbC1nZnggbWFpbGluZyBsaXN0 Cj4gPj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ID4+IGh0dHA6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKPiBzaG91bGRuJ3Qgd2Ug ZXhwZWN0IHRoYXQgb25seSBtb2RlcyB0aGF0IHdlcmUgcmV0dXJuZWQgYXMgdmFsaWQgdGhyb3Vn aCAKPiBhcHByb3ByaWF0ZSBjYWxscyB3aWxsIGJlIHJlY2VpdmVkIGFzIHBhcnQgb2Ygc2V0X21v ZGUgPwo+IGkuZSBpbiBjYXNlIG9mIGRwIHRocm91Z2ggdGhlIGludGVsX2RwX21vZGVfdmFsaWQg dGhyb3VnaCB0aGUgCj4gLm1vZGVfdmFsaWQgY2FsbGJhY2sgPwoKTm8sIHRoZSB1c2VyIGlzIGZy ZWUgdG8gc3VwcGx5IGEgdG90YWxseSBjdXN0b20gbW9kZS4KCi0tIApWaWxsZSBTeXJqw6Rsw6QK SW50ZWwgT1RDCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==