From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 01/15] drm/vblank: Allow dynamic per-crtc max_vblank_count Date: Wed, 21 Nov 2018 10:27:27 +0100 Message-ID: <20181121092727.GH4266@phenom.ffwll.local> References: <20181112170000.27531-1-ville.syrjala@linux.intel.com> <20181112170000.27531-2-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-ed1-x541.google.com (mail-ed1-x541.google.com [IPv6:2a00:1450:4864:20::541]) by gabe.freedesktop.org (Postfix) with ESMTPS id AC00D6E143 for ; Wed, 21 Nov 2018 09:27:31 +0000 (UTC) Received: by mail-ed1-x541.google.com with SMTP id j6so4285786edp.9 for ; Wed, 21 Nov 2018 01:27:31 -0800 (PST) Content-Disposition: inline In-Reply-To: <20181112170000.27531-2-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: Ville Syrjala Cc: Inki Dae , intel-gfx@lists.freedesktop.org, stable@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBOb3YgMTIsIDIwMTggYXQgMDY6NTk6NDVQTSArMDIwMCwgVmlsbGUgU3lyamFsYSB3 cm90ZToKPiBGcm9tOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwu Y29tPgo+IAo+IE9uIGk5NjVnbSB3ZSBuZWVkIHRvIGFkanVzdCBtYXhfdmJsYW5rX2NvdW50IGR5 bmFtaWNhbGx5Cj4gZGVwZW5kaW5nIG9uIHdoZXRoZXIgdGhlIFRWIGVuY29kZXIgaXMgdXNlZCBv ciBub3QuIFRvCj4gdGhhdCBlbmQgYWRkIGEgcGVyLWNydGMgbWF4X3ZibGFua19jb3VudCB0aGF0 IHRha2VzCj4gcHJlY2VkZW5jZSBvdmVyIGl0cyBkZXZpY2Ugd2lkZSBjb3VudGVycGFydC4gVGhl IGRyaXZlcgo+IGNhbiBub3cgY2FsbCBkcm1fY3J0Y19zZXRfbWF4X3ZibGFua19jb3VudCgpIHRv IGNvbmZpZ3VyZQo+IHRoZSBwZXItY3J0YyB2YWx1ZSBiZWZvcmUgY2FsbGluZyBkcm1fdmJsYW5r X29uKCkuCj4gCj4gQWxzbyBsb29rcyBsaWtlIHRoZXJlIHdhcyBzb21lIGRpc2N1c3Npb24gYWJv dXQgZXh5bm9zIG5lZWRpbmcKPiBzaW1pbGFyIHRyZWF0bWVudC4KPiAKPiBDYzogc3RhYmxlQHZn ZXIua2VybmVsLm9yZwo+IENjOiBJbmtpIERhZSA8aW5raS5kYWVAc2Ftc3VuZy5jb20+Cj4gQ2M6 IERhbmllbCBWZXR0ZXIgPGRhbmllbEBmZndsbC5jaD4KPiBTaWduZWQtb2ZmLWJ5OiBWaWxsZSBT eXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJz L2dwdS9kcm0vZHJtX3ZibGFuay5jIHwgMzkgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KystLS0tCj4gIGluY2x1ZGUvZHJtL2RybV92YmxhbmsuaCAgICAgfCAgOCArKysrKysrKwo+ICAy IGZpbGVzIGNoYW5nZWQsIDQzIGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4gCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fdmJsYW5rLmMgYi9kcml2ZXJzL2dwdS9kcm0v ZHJtX3ZibGFuay5jCj4gaW5kZXggOThlMDkxMTc1OTIxLi5jM2FiYmRjYThhYmEgMTAwNjQ0Cj4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV92YmxhbmsuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9kcm1fdmJsYW5rLmMKPiBAQCAtMTA1LDEzICsxMDUsMjAgQEAgc3RhdGljIHZvaWQgc3RvcmVf dmJsYW5rKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCBwaXBlLAo+ICAJd3Jp dGVfc2VxdW5sb2NrKCZ2YmxhbmstPnNlcWxvY2spOwo+ICB9Cj4gIAo+ICtzdGF0aWMgdTMyIGRy bV9tYXhfdmJsYW5rX2NvdW50KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCBw aXBlKQo+ICt7Cj4gKwlzdHJ1Y3QgZHJtX3ZibGFua19jcnRjICp2YmxhbmsgPSAmZGV2LT52Ymxh bmtbcGlwZV07Cj4gKwo+ICsJcmV0dXJuIHZibGFuay0+bWF4X3ZibGFua19jb3VudCA/OiBkZXYt Pm1heF92YmxhbmtfY291bnQ7Cj4gK30KPiArCj4gIC8qCj4gICAqICJObyBodyBjb3VudGVyIiBm YWxsYmFjayBpbXBsZW1lbnRhdGlvbiBvZiAuZ2V0X3ZibGFua19jb3VudGVyKCkgaG9vaywKPiAg ICogaWYgdGhlcmUgaXMgbm8gdXNlYWJsZSBoYXJkd2FyZSBmcmFtZSBjb3VudGVyIGF2YWlsYWJs ZS4KPiAgICovCj4gIHN0YXRpYyB1MzIgZHJtX3ZibGFua19ub19od19jb3VudGVyKHN0cnVjdCBk cm1fZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCBwaXBlKQo+ICB7Cj4gLQlXQVJOX09OX09OQ0Uo ZGV2LT5tYXhfdmJsYW5rX2NvdW50ICE9IDApOwo+ICsJV0FSTl9PTl9PTkNFKGRybV9tYXhfdmJs YW5rX2NvdW50KGRldiwgcGlwZSkgIT0gMCk7Cj4gIAlyZXR1cm4gMDsKPiAgfQo+ICAKPiBAQCAt MTk4LDYgKzIwNSw3IEBAIHN0YXRpYyB2b2lkIGRybV91cGRhdGVfdmJsYW5rX2NvdW50KHN0cnVj dCBkcm1fZGV2aWNlICpkZXYsIHVuc2lnbmVkIGludCBwaXBlLAo+ICAJa3RpbWVfdCB0X3ZibGFu azsKPiAgCWludCBjb3VudCA9IERSTV9USU1FU1RBTVBfTUFYUkVUUklFUzsKPiAgCWludCBmcmFt ZWR1cl9ucyA9IHZibGFuay0+ZnJhbWVkdXJfbnM7Cj4gKwl1MzIgbWF4X3ZibGFua19jb3VudCA9 IGRybV9tYXhfdmJsYW5rX2NvdW50KGRldiwgcGlwZSk7Cj4gIAo+ICAJLyoKPiAgCSAqIEludGVy cnVwdHMgd2VyZSBkaXNhYmxlZCBwcmlvciB0byB0aGlzIGNhbGwsIHNvIGRlYWwgd2l0aCBjb3Vu dGVyCj4gQEAgLTIxNiw5ICsyMjQsOSBAQCBzdGF0aWMgdm9pZCBkcm1fdXBkYXRlX3ZibGFua19j b3VudChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB1bnNpZ25lZCBpbnQgcGlwZSwKPiAgCQlyYyA9 IGRybV9nZXRfbGFzdF92Ymx0aW1lc3RhbXAoZGV2LCBwaXBlLCAmdF92YmxhbmssIGluX3ZibGFu a19pcnEpOwo+ICAJfSB3aGlsZSAoY3VyX3ZibGFuayAhPSBfX2dldF92YmxhbmtfY291bnRlcihk ZXYsIHBpcGUpICYmIC0tY291bnQgPiAwKTsKPiAgCj4gLQlpZiAoZGV2LT5tYXhfdmJsYW5rX2Nv dW50ICE9IDApIHsKPiArCWlmIChtYXhfdmJsYW5rX2NvdW50KSB7Cj4gIAkJLyogdHJ1c3QgdGhl IGh3IGNvdW50ZXIgd2hlbiBpdCdzIGFyb3VuZCAqLwo+IC0JCWRpZmYgPSAoY3VyX3ZibGFuayAt IHZibGFuay0+bGFzdCkgJiBkZXYtPm1heF92YmxhbmtfY291bnQ7Cj4gKwkJZGlmZiA9IChjdXJf dmJsYW5rIC0gdmJsYW5rLT5sYXN0KSAmIG1heF92YmxhbmtfY291bnQ7Cj4gIAl9IGVsc2UgaWYg KHJjICYmIGZyYW1lZHVyX25zKSB7Cj4gIAkJdTY0IGRpZmZfbnMgPSBrdGltZV90b19ucyhrdGlt ZV9zdWIodF92YmxhbmssIHZibGFuay0+dGltZSkpOwo+ICAKPiBAQCAtMjU4LDcgKzI2Niw4IEBA IHN0YXRpYyB2b2lkIGRybV91cGRhdGVfdmJsYW5rX2NvdW50KHN0cnVjdCBkcm1fZGV2aWNlICpk ZXYsIHVuc2lnbmVkIGludCBwaXBlLAo+ICAJCSAgICAgIHBpcGUsIHZibGFuay0+Y291bnQsIGRp ZmYsIGN1cl92YmxhbmssIHZibGFuay0+bGFzdCk7Cj4gIAo+ICAJaWYgKGRpZmYgPT0gMCkgewo+ IC0JCVdBUk5fT05fT05DRShjdXJfdmJsYW5rICE9IHZibGFuay0+bGFzdCk7Cj4gKwkJV0FSTl9P Tl9PTkNFKG1heF92YmxhbmtfY291bnQgJiYKPiArCQkJICAgICBjdXJfdmJsYW5rICE9IHZibGFu ay0+bGFzdCk7CgpVbnJlbGF0ZWQgYnVnZml4IGZvciB0aGlzIHdhcm5pbmc/IFNob3VsZCBiZSBh IHNlcGFyYXRlIHBhdGNoIEkgdGhpbmssIG9yCkknbSBtaXNzaW5nIHNvbWV0aGluZy4KCj4gIAkJ cmV0dXJuOwo+ICAJfQo+ICAKPiBAQCAtMTIwNCw2ICsxMjEzLDI4IEBAIHZvaWQgZHJtX2NydGNf dmJsYW5rX3Jlc2V0KHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiAgfQo+ICBFWFBPUlRfU1lNQk9M KGRybV9jcnRjX3ZibGFua19yZXNldCk7Cj4gIAo+ICsvKioKPiArICogZHJtX2NydGNfc2V0X21h eF92YmxhbmtfY291bnQgLSBjb25maWd1cmUgdGhlIGh3IG1heCB2YmxhbmsgY291bnRlciB2YWx1 ZQo+ICsgKiBAY3J0YzogQ1JUQyBpbiBxdWVzdGlvbgo+ICsgKiBAbWF4X3ZibGFua19jb3VudDog bWF4IGhhcmR3YXJlIHZibGFuayBjb3VudGVyIHZhbHVlCj4gKyAqCj4gKyAqIFVwZGF0ZSB0aGUg bWF4aW11bSBoYXJkd2FyZSB2YmxhbmsgY291bnRlciB2YWx1ZSBmb3IgQGNydGMuIFVzZWZ1bAo+ ICsgKiBmb3IgaGFyZHdhcmUgd2hlcmUgdGhlIG9wZXJhdGlvbiBvZiB0aGUgaGFyZHdhcmUgdmJs YW5rIGNvdW50ZXIKPiArICogZGVwZW5kcyBvbiB0aGUgYWN0aXZlIGRpc3BsYXkgY29uZmlndXJh dGlvbi4KPiArICoKPiArICogSWYgdXNlZCwgbXVzdCBiZSBjYWxsZWQgYmVmb3JlIGRybV92Ymxh bmtfb24oKS4KCkkgdGhpbmsgd2Ugc2hvdWxkIGNoZWNrIHRoaXMgYXQgcnVudGltZSB3aXRoIGEg V0FSTl9PTi4gUGx1cyBtYWtlIHRoZQpjb21tZW50IGhlcmUgYSBiaXQgY2xlYXJlciB0aGF0IHRo aXMgaXMgaW5kZWVkIGZvciBydW50aW1lIGFkanVzdGluZyBvZgp0aGUgbWF4X3ZibGFua19jb3Vu dCwgaW4gY2FzZXMgd2hlcmUgdGhhdCBkZXBlbmRzIHVwb24gdGhlIGNvbm5lY3RlZApvdXRwdXRz LgoKPiArICovCj4gK3ZvaWQgZHJtX2NydGNfc2V0X21heF92YmxhbmtfY291bnQoc3RydWN0IGRy bV9jcnRjICpjcnRjLAo+ICsJCQkJICAgdTMyIG1heF92YmxhbmtfY291bnQpCj4gK3sKPiArCXN0 cnVjdCBkcm1fZGV2aWNlICpkZXYgPSBjcnRjLT5kZXY7Cj4gKwl1bnNpZ25lZCBpbnQgcGlwZSA9 IGRybV9jcnRjX2luZGV4KGNydGMpOwo+ICsJc3RydWN0IGRybV92YmxhbmtfY3J0YyAqdmJsYW5r ID0gJmRldi0+dmJsYW5rW3BpcGVdOwo+ICsKPiArCXZibGFuay0+bWF4X3ZibGFua19jb3VudCA9 IG1heF92YmxhbmtfY291bnQ7Cj4gK30KPiArRVhQT1JUX1NZTUJPTChkcm1fY3J0Y19zZXRfbWF4 X3ZibGFua19jb3VudCk7Cj4gKwo+ICAvKioKPiAgICogZHJtX2NydGNfdmJsYW5rX29uIC0gZW5h YmxlIHZibGFuayBldmVudHMgb24gYSBDUlRDCj4gICAqIEBjcnRjOiBDUlRDIGluIHF1ZXN0aW9u Cj4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvZHJtL2RybV92YmxhbmsuaCBiL2luY2x1ZGUvZHJtL2Ry bV92YmxhbmsuaAo+IGluZGV4IDZhZDk2MzBkNGY0OC4uZWNiMmNmOTkxM2UyIDEwMDY0NAo+IC0t LSBhL2luY2x1ZGUvZHJtL2RybV92YmxhbmsuaAo+ICsrKyBiL2luY2x1ZGUvZHJtL2RybV92Ymxh bmsuaAo+IEBAIC0xMjgsNiArMTI4LDEyIEBAIHN0cnVjdCBkcm1fdmJsYW5rX2NydGMgewo+ICAJ ICogQGxhc3Q6IFByb3RlY3RlZCBieSAmZHJtX2RldmljZS52YmxfbG9jaywgdXNlZCBmb3Igd3Jh cGFyb3VuZCBoYW5kbGluZy4KPiAgCSAqLwo+ICAJdTMyIGxhc3Q7Cj4gKwkvKioKPiArCSAqIEBt YXhfdmJsYW5rX2NvdW50OiBNYXhpbXVtIHZhbHVlIG9mIHRoZSBoYXJkd2FyZSB2YmxhbmsgY291 bnRlci4KPiArCSAqIElmIG5vbi16ZXJvIHRoaXMgdGFrZXMgcHJlY2VkZW5jZSBvdmVyICZkcm1f ZGV2aWNlLm1heF92YmxhbmtfY291bnQKPiArCSAqIGZvciB0aGlzIGNydGMuIE90aGVyd2lzZSAm ZHJtX2RldmljZS5tYXhfdmJsYW5rX2NvdW50IGlzIHVzZWQuCj4gKwkgKi8KCkknZCBhZGQgIlRo aXMgc2hvdWxkIGJlIHNldCBieSBjYWxsaW5nIGRybV9jcnRjX3NldF9tYXhfdmJsYW5rX2NvdW50 KCkuIgoKQW5kIHBsZWFzZSBhbHNvIGFkZCBhIG5vdGUgdG8gdGhlIGtlcm5lbGRvYyBvZiBkcm1f ZHJpdmVyLm1heF92YmxhbmtfY291bnQKcG9pbnRpbmcgYXQgJmRybV92YmxhbmtfY3J0Yy5tYXhf dmJsYW5rX2NvdW50IGZvciBwZXItY3J0YyBsaW1pdHMuCgpBc2lkZSBmcm9tIHRoZSBuaXRzIGxn dG0uIEkgdGhpbmsgSSdsbCBza2lwIGxvb2tpbmcgYXQgdGhlIFRWIG91dCBzdHVmZgp0aG91Z2gg Li4uCgpDaGVlcnMsIERhbmllbAoKPiArCXUzMiBtYXhfdmJsYW5rX2NvdW50Owo+ICAJLyoqCj4g IAkgKiBAaW5tb2Rlc2V0OiBUcmFja3Mgd2hldGhlciB0aGUgdmJsYW5rIGlzIGRpc2FibGVkIGR1 ZSB0byBhIG1vZGVzZXQuCj4gIAkgKiBGb3IgbGVnYWN5IGRyaXZlciBiaXQgMiBhZGRpdGlvbmFs bHkgdHJhY2tzIHdoZXRoZXIgYW4gYWRkaXRpb25hbAo+IEBAIC0yMDYsNCArMjEyLDYgQEAgYm9v bCBkcm1fY2FsY192Ymx0aW1lc3RhbXBfZnJvbV9zY2Fub3V0cG9zKHN0cnVjdCBkcm1fZGV2aWNl ICpkZXYsCj4gIHZvaWQgZHJtX2NhbGNfdGltZXN0YW1waW5nX2NvbnN0YW50cyhzdHJ1Y3QgZHJt X2NydGMgKmNydGMsCj4gIAkJCQkgICAgIGNvbnN0IHN0cnVjdCBkcm1fZGlzcGxheV9tb2RlICpt b2RlKTsKPiAgd2FpdF9xdWV1ZV9oZWFkX3QgKmRybV9jcnRjX3ZibGFua193YWl0cXVldWUoc3Ry dWN0IGRybV9jcnRjICpjcnRjKTsKPiArdm9pZCBkcm1fY3J0Y19zZXRfbWF4X3ZibGFua19jb3Vu dChzdHJ1Y3QgZHJtX2NydGMgKmNydGMsCj4gKwkJCQkgICB1MzIgbWF4X3ZibGFua19jb3VudCk7 Cj4gICNlbmRpZgo+IC0tIAo+IDIuMTguMQo+IAoKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUg RW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=