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: Make drm_mode_vrefresh() a bit more accurate Date: Wed, 14 Mar 2018 16:50:30 +0200 Message-ID: <20180314145030.GI5453@intel.com> References: <20180313150759.27620-1-ville.syrjala@linux.intel.com> <20180313150759.27620-2-ville.syrjala@linux.intel.com> <20180314135628.GB25297@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20180314135628.GB25297@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBNYXIgMTQsIDIwMTggYXQgMDI6NTY6MjhQTSArMDEwMCwgRGFuaWVsIFZldHRlciB3 cm90ZToKPiBPbiBUdWUsIE1hciAxMywgMjAxOCBhdCAwNTowNzo1OFBNICswMjAwLCBWaWxsZSBT eXJqYWxhIHdyb3RlOgo+ID4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxp bnV4LmludGVsLmNvbT4KPiA+IAo+ID4gRG8gdGhlIHJlZnJlc2ggcmF0ZSBjYWxjdWxhdGlvbiB3 aXRoIGEgc2luZ2xlIGRpdmlzaW9uLiBUaGlzIGdpdmVzCj4gPiB1cyBzbGlnaHRseSBtb3JlIGFj Y3VyYXRlIHJlc3VsdHMsIGVzcGVjaWFsbHkgZm9yIGludGVybGFjZWQgc2luY2UKPiA+IHdlIGRv bid0IGp1c3QgZG91YmxlIHRoZSBmaW5hbCB0cnVuY2F0ZWQgcmVzdWx0Lgo+ID4gCj4gPiBXZSBk byBsb3NlIG9uZSBiaXQgY29tcGFyZWQgdG8gdGhlIG9sZCB3YXksIHNvIHdpdGggYW4gaW50ZXJs YWNlZAo+ID4gbW9kZSB0aGUgbmV3IGNvZGUgY2FuIG9ubHkgaGFuZGxlIH4yR0h6IGluc3RlYWQg b2YgdGhlIH40R0h6IHRoZQo+ID4gb2xkIGNvZGUgaGFuZGVsZWQuCj4gPiAKPiA+IFNpZ25lZC1v ZmYtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4g Cj4gSSBraW5kYSB3YW50IHNwZWNpYWwgaW50ZWdlcnMgaGVyZSB0aGF0IE9vcHMgb24gb3ZlcmZs b3csIEkgdGhvdWdodAo+IHRoZXkncmUgY29taW5nLgoKV291bGQgYmUgbmljZSBpbmRlZWQuCgo+ IFRoYXQgYXNpZGU6Cj4gCj4gUmV2aWV3ZWQtYnk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0 ZXJAZmZ3bGwuY2g+Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVzLmMgfCAx OSArKysrKysrKystLS0tLS0tLS0tCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygr KSwgMTAgZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v ZHJtX21vZGVzLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVzLmMKPiA+IGluZGV4IDQxNTcy NTAxNDBiMC4uZjZiN2MwZTM2YTFhIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2Ry bV9tb2Rlcy5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVzLmMKPiA+IEBAIC03 NzMsMjQgKzc3MywyMyBAQCBFWFBPUlRfU1lNQk9MKGRybV9tb2RlX2hzeW5jKTsKPiA+ICBpbnQg ZHJtX21vZGVfdnJlZnJlc2goY29uc3Qgc3RydWN0IGRybV9kaXNwbGF5X21vZGUgKm1vZGUpCj4g PiAgewo+ID4gIAlpbnQgcmVmcmVzaCA9IDA7Cj4gPiAtCXVuc2lnbmVkIGludCBjYWxjX3ZhbDsK PiA+ICAKPiA+ICAJaWYgKG1vZGUtPnZyZWZyZXNoID4gMCkKPiA+ICAJCXJlZnJlc2ggPSBtb2Rl LT52cmVmcmVzaDsKPiA+ICAJZWxzZSBpZiAobW9kZS0+aHRvdGFsID4gMCAmJiBtb2RlLT52dG90 YWwgPiAwKSB7Cj4gPiAtCQlpbnQgdnRvdGFsOwo+ID4gLQkJdnRvdGFsID0gbW9kZS0+dnRvdGFs Owo+ID4gLQkJLyogd29yayBvdXQgdnJlZnJlc2ggdGhlIHZhbHVlIHdpbGwgYmUgeDEwMDAgKi8K PiA+IC0JCWNhbGNfdmFsID0gKG1vZGUtPmNsb2NrICogMTAwMCk7Cj4gPiAtCQljYWxjX3ZhbCAv PSBtb2RlLT5odG90YWw7Cj4gPiAtCQlyZWZyZXNoID0gKGNhbGNfdmFsICsgdnRvdGFsIC8gMikg LyB2dG90YWw7Cj4gPiArCQl1bnNpZ25lZCBpbnQgbnVtLCBkZW47Cj4gPiArCj4gPiArCQludW0g PSBtb2RlLT5jbG9jayAqIDEwMDA7Cj4gPiArCQlkZW4gPSBtb2RlLT5odG90YWwgKiBtb2RlLT52 dG90YWw7Cj4gPiAgCj4gPiAgCQlpZiAobW9kZS0+ZmxhZ3MgJiBEUk1fTU9ERV9GTEFHX0lOVEVS TEFDRSkKPiA+IC0JCQlyZWZyZXNoICo9IDI7Cj4gPiArCQkJbnVtICo9IDI7Cj4gPiAgCQlpZiAo bW9kZS0+ZmxhZ3MgJiBEUk1fTU9ERV9GTEFHX0RCTFNDQU4pCj4gPiAtCQkJcmVmcmVzaCAvPSAy Owo+ID4gKwkJCWRlbiAqPSAyOwo+ID4gIAkJaWYgKG1vZGUtPnZzY2FuID4gMSkKPiA+IC0JCQly ZWZyZXNoIC89IG1vZGUtPnZzY2FuOwo+ID4gKwkJCWRlbiAqPSBtb2RlLT52c2NhbjsKPiA+ICsK PiA+ICsJCXJlZnJlc2ggPSBESVZfUk9VTkRfQ0xPU0VTVChudW0sIGRlbik7Cj4gPiAgCX0KPiA+ ICAJcmV0dXJuIHJlZnJlc2g7Cj4gPiAgfQo+ID4gLS0gCj4gPiAyLjE2LjEKPiA+IAo+ID4gX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiA+IGRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKPiA+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiA+IGh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCj4g Cj4gLS0gCj4gRGFuaWVsIFZldHRlcgo+IFNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3Jh dGlvbgo+IGh0dHA6Ly9ibG9nLmZmd2xsLmNoCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9U QwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2 ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK