From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Roper Subject: Re: [PATCH v2] drm/i915: fix screen flickering Date: Thu, 14 May 2015 07:28:36 -0700 Message-ID: <20150514142836.GE25648@intel.com> References: <20150514032118.GD25648@intel.com> <1431587799-5399-1-git-send-email-t.gummerer@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1431587799-5399-1-git-send-email-t.gummerer@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Thomas Gummerer Cc: David Airlie , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBNYXkgMTQsIDIwMTUgYXQgMDk6MTY6MzlBTSArMDIwMCwgVGhvbWFzIEd1bW1lcmVy IHdyb3RlOgo+IENvbW1pdCBjOWYwMzhhMWE1OTIgKCJkcm0vaTkxNTogRG9uJ3QgYXNzdW1lIHBy aW1hcnkgJiBjdXJzb3IgYXJlCj4gYWx3YXlzIG9uIGZvciB3bSBjYWxjdWxhdGlvbiAodjQpIikg Zml4ZXMgYSBudWxsIHBvaW50ZXIgZGVyZWZlcmVuY2UuCj4gU2V0dGluZyB0aGUgcHJpbWFyeSBh bmQgY3Vyc29yIHBhbmVzIHRvIGZhbHNlIGluCj4gaWxrX2NvbXB1dGVfd21fcGFyYW1ldGVycyB0 byBmYWxzZSBkb2VzIGhvd2V2ZXIgZ2l2ZSB0aGUgZm9sbG93aW5nCj4gZXJyb3JzIGluIHRoZSBr ZXJuZWwgbG9nIGFuZCBjYXVzZXMgdGhlIHNjcmVlbiB0byBmbGlja2VyLgo+IAo+IFsgIDEwMS4x MzM3MTZdIFtkcm06aW50ZWxfc2V0X2NwdV9maWZvX3VuZGVycnVuX3JlcG9ydGluZyBbaTkxNV1d Cj4gKkVSUk9SKiB1bmNsZWFyZWQgZmlmbyB1bmRlcnJ1biBvbiBwaXBlIEEKPiBbICAxMDEuMTMz NzI1XSBbZHJtOmludGVsX2NwdV9maWZvX3VuZGVycnVuX2lycV9oYW5kbGVyIFtpOTE1XV0KPiAq RVJST1IqIENQVSBwaXBlIEEgRklGTyB1bmRlcnJ1bgo+IAo+IEFsd2F5cyBzZXR0aW5nIHRoZSBw YW5lcyB0byBlbmFibGVkIGZpeGVzIHRoaXMgZXJyb3IuCj4gCj4gSGVscGVkLWJ5OiBNYXR0IFJv cGVyIDxtYXR0aGV3LmQucm9wZXJAaW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IFRob21hcyBH dW1tZXJlciA8dC5ndW1tZXJlckBnbWFpbC5jb20+CgpTZWVtcyBsaWtlIGEgcmVhc29uYWJsZSBz aG9ydC10ZXJtIHdvcmthcm91bmQgYW5kIHJldHVybnMgdXMgdG8gaG93IHRoZQpjb2RlIHVzZWQg dG8gYmVoYXZlcy4KClJldmlld2VkLWJ5OiBNYXR0IFJvcGVyIDxtYXR0aGV3LmQucm9wZXJAaW50 ZWwuY29tPgoKPiAtLS0KPiAKPiA+IFNvcnJ5LCBJIG1pc3NlZCB5b3VyIHBhdGNoIHdoZW4geW91 IGZpcnN0IHNlbnQgaXQuICBUaGF0IHR5cGUgb2YgZml4Cj4gPiBsb29rcyBsaWtlIGFuIG9rYXkg d29ya2Fyb3VuZCB3aGlsZSB3ZSBkbyBhIG1vcmUgaW4tZGVwdGggcmV3b3JrIG9mIHRoZQo+ID4g d2F0ZXJtYXJrIHN5c3RlbS4gIEhvd2V2ZXIgSSB0aGluayB5b3VyIHBhdGNoIGNvdWxkIGNhdXNl IGEgY3Jhc2ggaWYgd2UKPiA+IGRpc2FibGUgdGhlIHByaW1hcnkgcGxhbmUgdmlhIHRoZSB1bml2 ZXJzYWwgcGxhbmUgaW50ZXJmYWNlOyBpZiB3ZSBkbwo+ID4gdGhhdCwgcC0+cHJpLmJ5dGVzX3Bl cl9waXhlbCBpcyBzZXQgdG8gMCwgYnV0IHNpbmNlIHdlJ3JlIG5vdyBwcmV0ZW5kaW5nCj4gPiB0 aGUgcHJpbWFyeSBwbGFuZSBpcyBhbHdheXMgZW5hYmxlZCwgaWxrX3dtX2ZiYygpIGNhbiBldmVu dHVhbGx5IGdldAo+ID4gY2FsbGVkIGFuZCB1c2UgdGhhdCAwIGluIHRoZSBkZW5vbWluYXRvciBv ZiBhIGRpdmlzaW9uIG9wZXJhdGlvbi4KPiA+Cj4gPiBJZiB5b3UganVzdCBzcXVhc2ggdGhlIGZv bGxvd2luZyBjaGFuZ2UgaW50byB5b3VyIHBhdGNoLCBJIHRoaW5rIGl0IHNob3VsZCBiZQo+ID4g c2FmZToKPiA+IFsuLi5dCj4gCj4gVGhhbmsgeW91IHZlcnkgbXVjaCBmb3IgdGhlIHN1Z2dlc3Rp b24sIGhlcmUgaXMgYW4gdXBkYXRlZCB2ZXJzaW9uIG9mIHRoZSAKPiBwYXRjaC4KPiAKPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYyB8IDI0ICsrKysrKysrKysrLS0tLS0tLS0tLS0t LQo+ICAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgMTMgZGVsZXRpb25zKC0pCj4g Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4gaW5kZXggZmE0Y2NiMy4uNTU1Yjg5NiAxMDA2NDQK PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+IEBAIC0yMDQ1LDIyICsyMDQ1LDIwIEBAIHN0YXRpYyB2 b2lkIGlsa19jb21wdXRlX3dtX3BhcmFtZXRlcnMoc3RydWN0IGRybV9jcnRjICpjcnRjLAo+ICAJ cC0+cGlwZV9odG90YWwgPSBpbnRlbF9jcnRjLT5jb25maWctPmJhc2UuYWRqdXN0ZWRfbW9kZS5j cnRjX2h0b3RhbDsKPiAgCXAtPnBpeGVsX3JhdGUgPSBpbGtfcGlwZV9waXhlbF9yYXRlKGRldiwg Y3J0Yyk7Cj4gIAo+IC0JaWYgKGNydGMtPnByaW1hcnktPnN0YXRlLT5mYikgewo+IC0JCXAtPnBy aS5lbmFibGVkID0gdHJ1ZTsKPiArCWlmIChjcnRjLT5wcmltYXJ5LT5zdGF0ZS0+ZmIpCj4gIAkJ cC0+cHJpLmJ5dGVzX3Blcl9waXhlbCA9Cj4gIAkJCWNydGMtPnByaW1hcnktPnN0YXRlLT5mYi0+ Yml0c19wZXJfcGl4ZWwgLyA4Owo+IC0JfSBlbHNlIHsKPiAtCQlwLT5wcmkuZW5hYmxlZCA9IGZh bHNlOwo+IC0JCXAtPnByaS5ieXRlc19wZXJfcGl4ZWwgPSAwOwo+IC0JfQo+ICsJZWxzZQo+ICsJ CXAtPnByaS5ieXRlc19wZXJfcGl4ZWwgPSA0Owo+ICsKPiArCXAtPmN1ci5ieXRlc19wZXJfcGl4 ZWwgPSA0Owo+ICsJLyoKPiArCSAqIFRPRE86IGZvciBub3csIGFzc3VtZSBwcmltYXJ5IGFuZCBj dXJzb3IgcGxhbmVzIGFyZSBhbHdheXMgZW5hYmxlZC4KPiArCSAqIFNldHRpbmcgdGhlbSB0byBm YWxzZSBtYWtlcyB0aGUgc2NyZWVuIGZsaWNrZXIuCj4gKwkgKi8KPiArCXAtPnByaS5lbmFibGVk ID0gdHJ1ZTsKPiArCXAtPmN1ci5lbmFibGVkID0gdHJ1ZTsKPiAgCj4gLQlpZiAoY3J0Yy0+Y3Vy c29yLT5zdGF0ZS0+ZmIpIHsKPiAtCQlwLT5jdXIuZW5hYmxlZCA9IHRydWU7Cj4gLQkJcC0+Y3Vy LmJ5dGVzX3Blcl9waXhlbCA9IDQ7Cj4gLQl9IGVsc2Ugewo+IC0JCXAtPmN1ci5lbmFibGVkID0g ZmFsc2U7Cj4gLQkJcC0+Y3VyLmJ5dGVzX3Blcl9waXhlbCA9IDA7Cj4gLQl9Cj4gIAlwLT5wcmku aG9yaXpfcGl4ZWxzID0gaW50ZWxfY3J0Yy0+Y29uZmlnLT5waXBlX3NyY193Owo+ICAJcC0+Y3Vy Lmhvcml6X3BpeGVscyA9IGludGVsX2NydGMtPmJhc2UuY3Vyc29yLT5zdGF0ZS0+Y3J0Y193Owo+ ICAKPiAtLSAKPiAyLjQuMC4xODQuZzhlMTk3NGUKPiAKCi0tIApNYXR0IFJvcGVyCkdyYXBoaWNz IFNvZnR3YXJlIEVuZ2luZWVyCklvVEcgUGxhdGZvcm0gRW5hYmxpbmcgJiBEZXZlbG9wbWVudApJ bnRlbCBDb3Jwb3JhdGlvbgooOTE2KSAzNTYtMjc5NQpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2ludGVsLWdmeAo=