From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH v6 5/8] drm: rcar-du: crtc: Control CMM operations Date: Wed, 16 Oct 2019 16:49:20 +0300 Message-ID: <20191016134920.GE5175@pendragon.ideasonboard.com> References: <20191016085548.105703-1-jacopo+renesas@jmondi.org> <20191016085548.105703-6-jacopo+renesas@jmondi.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8F81B6E980 for ; Wed, 16 Oct 2019 13:49:24 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20191016085548.105703-6-jacopo+renesas@jmondi.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jacopo Mondi Cc: horms@verge.net.au, airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, kieran.bingham+renesas@ideasonboard.com, geert@linux-m68k.org, uli+renesas@fpond.eu List-Id: dri-devel@lists.freedesktop.org SGkgSmFjb3BvLAoKVGhhbmsgeW91IGZvciB0aGUgcGF0Y2guCgpPbiBXZWQsIE9jdCAxNiwgMjAx OSBhdCAxMDo1NTo0NUFNICswMjAwLCBKYWNvcG8gTW9uZGkgd3JvdGU6Cj4gSW1wbGVtZW50IENN TSBoYW5kbGluZyBpbiB0aGUgY3J0YyBiZWdpbiBhbmQgZW5hYmxlIGF0b21pYyBjYWxsYmFja3Ms Cj4gYW5kIGVuYWJsZSBDTU0gdW5pdCB0aHJvdWdoIHRoZSBEaXNwbGF5IEV4dGVuc2lvbmFsIEZ1 bmN0aW9ucwo+IHJlZ2lzdGVyIGF0IGdyb3VwIHNldHVwIHRpbWUuCj4gCj4gUmV2aWV3ZWQtYnk6 IEtpZXJhbiBCaW5naGFtIDxraWVyYW4uYmluZ2hhbStyZW5lc2FzQGlkZWFzb25ib2FyZC5jb20+ Cj4gU2lnbmVkLW9mZi1ieTogSmFjb3BvIE1vbmRpIDxqYWNvcG8rcmVuZXNhc0BqbW9uZGkub3Jn Pgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vcmNhci1kdS9yY2FyX2R1X2NydGMuYyAgfCA1NSAr KysrKysrKysrKysrKysrKysrKysrKysrCj4gIGRyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJf ZHVfZ3JvdXAuYyB8IDEwICsrKysrCj4gIGRyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVf cmVncy5oICB8ICA1ICsrKwo+ICAzIGZpbGVzIGNoYW5nZWQsIDcwIGluc2VydGlvbnMoKykKPiAK PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3JjYXItZHUvcmNhcl9kdV9jcnRjLmMgYi9k cml2ZXJzL2dwdS9kcm0vcmNhci1kdS9yY2FyX2R1X2NydGMuYwo+IGluZGV4IDIzZjFkNmNjMTcx OS4uZDdhZDQ5MTU3N2YzIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3Jj YXJfZHVfY3J0Yy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL3JjYXItZHUvcmNhcl9kdV9jcnRj LmMKPiBAQCAtMjEsNiArMjEsNyBAQAo+ICAjaW5jbHVkZSA8ZHJtL2RybV9wbGFuZV9oZWxwZXIu aD4KPiAgI2luY2x1ZGUgPGRybS9kcm1fdmJsYW5rLmg+Cj4gIAo+ICsjaW5jbHVkZSAicmNhcl9j bW0uaCIKPiAgI2luY2x1ZGUgInJjYXJfZHVfY3J0Yy5oIgo+ICAjaW5jbHVkZSAicmNhcl9kdV9k cnYuaCIKPiAgI2luY2x1ZGUgInJjYXJfZHVfZW5jb2Rlci5oIgo+IEBAIC00NzQsNiArNDc1LDQ1 IEBAIHN0YXRpYyB2b2lkIHJjYXJfZHVfY3J0Y193YWl0X3BhZ2VfZmxpcChzdHJ1Y3QgcmNhcl9k dV9jcnRjICpyY3J0YykKPiAgCXJjYXJfZHVfY3J0Y19maW5pc2hfcGFnZV9mbGlwKHJjcnRjKTsK PiAgfQo+ICAKPiArLyogLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KPiArICogQ29sb3IgTWFuYWdlbWVu dCBNb2R1bGUgKENNTSkKPiArICovCj4gKwo+ICtzdGF0aWMgaW50IHJjYXJfZHVfY21tX2NoZWNr KHN0cnVjdCBkcm1fY3J0YyAqY3J0YywKPiArCQkJICAgICBzdHJ1Y3QgZHJtX2NydGNfc3RhdGUg KnN0YXRlKQo+ICt7Cj4gKwlzdHJ1Y3QgZHJtX3Byb3BlcnR5X2Jsb2IgKmRybV9sdXQgPSBzdGF0 ZS0+Z2FtbWFfbHV0Owo+ICsJc3RydWN0IHJjYXJfZHVfY3J0YyAqcmNydGMgPSB0b19yY2FyX2Ny dGMoY3J0Yyk7Cj4gKwlzdHJ1Y3QgZGV2aWNlICpkZXYgPSByY3J0Yy0+ZGV2LT5kZXY7Cj4gKwo+ ICsJaWYgKCFyY3J0Yy0+Y21tIHx8ICFkcm1fbHV0KQoKQXMgdGhlIGdhbW1hIExVVCBwcm9wZXJ0 eSBpcyBvbmx5IGNyZWF0ZWQgd2hlbiBDTU0gaXMgcHJlc2VudCwgY2FuJ3QgeW91CmRyb3AgdGhl IGZpcnN0IHBhcnQgb2YgdGhpcyBjb25kaXRpb24gPwoKPiArCQlyZXR1cm4gMDsKPiArCj4gKwkv KiBXZSBvbmx5IGFjY2VwdCBmdWxseSBwb3B1bGF0ZWQgTFVUIHRhYmxlcy4gKi8KPiArCWlmIChk cm1fY29sb3JfbHV0X3NpemUoZHJtX2x1dCkgIT0gQ00yX0xVVF9TSVpFKSB7Cj4gKwkJZGV2X2Vy cihkZXYsICJpbnZhbGlkIGdhbW1hIGx1dCBzaXplOiAlbHUgYnl0ZXNcbiIsCj4gKwkJCWRybV9s dXQtPmxlbmd0aCk7Cj4gKwkJcmV0dXJuIC1FSU5WQUw7Cj4gKwl9Cj4gKwo+ICsJcmV0dXJuIDA7 Cj4gK30KPiArCj4gK3N0YXRpYyB2b2lkIHJjYXJfZHVfY21tX3NldHVwKHN0cnVjdCBkcm1fY3J0 YyAqY3J0YykKPiArewo+ICsJc3RydWN0IGRybV9wcm9wZXJ0eV9ibG9iICpkcm1fbHV0ID0gY3J0 Yy0+c3RhdGUtPmdhbW1hX2x1dDsKPiArCXN0cnVjdCByY2FyX2R1X2NydGMgKnJjcnRjID0gdG9f cmNhcl9jcnRjKGNydGMpOwo+ICsJc3RydWN0IHJjYXJfY21tX2NvbmZpZyBjbW1fY29uZmlnID0g e307Cj4gKwo+ICsJaWYgKCFyY3J0Yy0+Y21tKQo+ICsJCXJldHVybjsKPiArCj4gKwlpZiAoZHJt X2x1dCkKPiArCQljbW1fY29uZmlnLmx1dC50YWJsZSA9IChzdHJ1Y3QgZHJtX2NvbG9yX2x1dCAq KWRybV9sdXQtPmRhdGE7Cj4gKwo+ICsJcmNhcl9jbW1fc2V0dXAocmNydGMtPmNtbSwgJmNtbV9j b25maWcpOwo+ICt9Cj4gKwo+ICAvKiAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+ICAgKiBTdGFydC9T dG9wIGFuZCBTdXNwZW5kL1Jlc3VtZQo+ICAgKi8KPiBAQCAtNjE5LDYgKzY1OSw5IEBAIHN0YXRp YyB2b2lkIHJjYXJfZHVfY3J0Y19zdG9wKHN0cnVjdCByY2FyX2R1X2NydGMgKnJjcnRjKQo+ICAJ aWYgKHJjYXJfZHVfaGFzKHJjcnRjLT5kZXYsIFJDQVJfRFVfRkVBVFVSRV9WU1AxX1NPVVJDRSkp Cj4gIAkJcmNhcl9kdV92c3BfZGlzYWJsZShyY3J0Yyk7Cj4gIAo+ICsJaWYgKHJjcnRjLT5jbW0p Cj4gKwkJcmNhcl9jbW1fZGlzYWJsZShyY3J0Yy0+Y21tKTsKPiArCj4gIAkvKgo+ICAJICogU2Vs ZWN0IHN3aXRjaCBzeW5jIG1vZGUuIFRoaXMgc3RvcHMgZGlzcGxheSBvcGVyYXRpb24gYW5kIGNv bmZpZ3VyZXMKPiAgCSAqIHRoZSBIU1lOQyBhbmQgVlNZTkMgc2lnbmFscyBhcyBpbnB1dHMuCj4g QEAgLTY0Miw2ICs2ODUsMTEgQEAgc3RhdGljIGludCByY2FyX2R1X2NydGNfYXRvbWljX2NoZWNr KHN0cnVjdCBkcm1fY3J0YyAqY3J0YywKPiAgewo+ICAJc3RydWN0IHJjYXJfZHVfY3J0Y19zdGF0 ZSAqcnN0YXRlID0gdG9fcmNhcl9jcnRjX3N0YXRlKHN0YXRlKTsKPiAgCXN0cnVjdCBkcm1fZW5j b2RlciAqZW5jb2RlcjsKPiArCWludCByZXQ7Cj4gKwo+ICsJcmV0ID0gcmNhcl9kdV9jbW1fY2hl Y2soY3J0Yywgc3RhdGUpOwo+ICsJaWYgKHJldCkKPiArCQlyZXR1cm4gcmV0Owo+ICAKPiAgCS8q IFN0b3JlIHRoZSByb3V0ZXMgZnJvbSB0aGUgQ1JUQyBvdXRwdXQgdG8gdGhlIERVIG91dHB1dHMu ICovCj4gIAlyc3RhdGUtPm91dHB1dHMgPSAwOwo+IEBAIC02NjcsNiArNzE1LDggQEAgc3RhdGlj IHZvaWQgcmNhcl9kdV9jcnRjX2F0b21pY19lbmFibGUoc3RydWN0IGRybV9jcnRjICpjcnRjLAo+ ICAJc3RydWN0IHJjYXJfZHVfY3J0Y19zdGF0ZSAqcnN0YXRlID0gdG9fcmNhcl9jcnRjX3N0YXRl KGNydGMtPnN0YXRlKTsKPiAgCXN0cnVjdCByY2FyX2R1X2RldmljZSAqcmNkdSA9IHJjcnRjLT5k ZXY7Cj4gIAo+ICsJaWYgKHJjcnRjLT5jbW0pCj4gKwkJcmNhcl9jbW1fZW5hYmxlKHJjcnRjLT5j bW0pOwo+ICAJcmNhcl9kdV9jcnRjX2dldChyY3J0Yyk7Cj4gIAo+ICAJLyoKPiBAQCAtNjg2LDYg KzczNiw3IEBAIHN0YXRpYyB2b2lkIHJjYXJfZHVfY3J0Y19hdG9taWNfZW5hYmxlKHN0cnVjdCBk cm1fY3J0YyAqY3J0YywKPiAgCX0KPiAgCj4gIAlyY2FyX2R1X2NydGNfc3RhcnQocmNydGMpOwo+ ICsJcmNhcl9kdV9jbW1fc2V0dXAoY3J0Yyk7CgpMZXQncyBhZGQgYSBUT0RPIGhlcmUgdG8gZmln dXJlIG91dCB3aHkgd2UgY2FuJ3Qgc2V0dXAgQ01NIGJlZm9yZQpzdGFydGluZyB0aGUgQ1JUQy4K CldpdGggdGhlc2UgdHdvIHNtYWxsIGlzc3VlcyBmaXhlZCwKClJldmlld2VkLWJ5OiBMYXVyZW50 IFBpbmNoYXJ0IDxsYXVyZW50LnBpbmNoYXJ0QGlkZWFzb25ib2FyZC5jb20+Cgo+ICB9Cj4gIAo+ ICBzdGF0aWMgdm9pZCByY2FyX2R1X2NydGNfYXRvbWljX2Rpc2FibGUoc3RydWN0IGRybV9jcnRj ICpjcnRjLAo+IEBAIC03MzksNiArNzkwLDEwIEBAIHN0YXRpYyB2b2lkIHJjYXJfZHVfY3J0Y19h dG9taWNfYmVnaW4oc3RydWN0IGRybV9jcnRjICpjcnRjLAo+ICAJICovCj4gIAlyY2FyX2R1X2Ny dGNfZ2V0KHJjcnRjKTsKPiAgCj4gKwkvKiBJZiB0aGUgYWN0aXZlIHN0YXRlIGNoYW5nZWQsIHdl IGxldCAuYXRvbWljX2VuYWJsZSBoYW5kbGUgQ01NLiAqLwo+ICsJaWYgKGNydGMtPnN0YXRlLT5j b2xvcl9tZ210X2NoYW5nZWQgJiYgIWNydGMtPnN0YXRlLT5hY3RpdmVfY2hhbmdlZCkKPiArCQly Y2FyX2R1X2NtbV9zZXR1cChjcnRjKTsKPiArCj4gIAlpZiAocmNhcl9kdV9oYXMocmNydGMtPmRl diwgUkNBUl9EVV9GRUFUVVJFX1ZTUDFfU09VUkNFKSkKPiAgCQlyY2FyX2R1X3ZzcF9hdG9taWNf YmVnaW4ocmNydGMpOwo+ICB9Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9yY2FyLWR1 L3JjYXJfZHVfZ3JvdXAuYyBiL2RyaXZlcnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVfZ3JvdXAu Ywo+IGluZGV4IDllZWU0Nzk2OWU3Ny4uODhhNzgzY2ViM2U5IDEwMDY0NAo+IC0tLSBhL2RyaXZl cnMvZ3B1L2RybS9yY2FyLWR1L3JjYXJfZHVfZ3JvdXAuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9yY2FyLWR1L3JjYXJfZHVfZ3JvdXAuYwo+IEBAIC0xMzUsNiArMTM1LDcgQEAgc3RhdGljIHZv aWQgcmNhcl9kdV9ncm91cF9zZXR1cF9kaWRzcihzdHJ1Y3QgcmNhcl9kdV9ncm91cCAqcmdycCkK PiAgc3RhdGljIHZvaWQgcmNhcl9kdV9ncm91cF9zZXR1cChzdHJ1Y3QgcmNhcl9kdV9ncm91cCAq cmdycCkKPiAgewo+ICAJc3RydWN0IHJjYXJfZHVfZGV2aWNlICpyY2R1ID0gcmdycC0+ZGV2Owo+ ICsJdTMyIGRlZnI3ID0gREVGUjdfQ09ERTsKPiAgCj4gIAkvKiBFbmFibGUgZXh0ZW5kZWQgZmVh dHVyZXMgKi8KPiAgCXJjYXJfZHVfZ3JvdXBfd3JpdGUocmdycCwgREVGUiwgREVGUl9DT0RFIHwg REVGUl9ERUZFKTsKPiBAQCAtMTQ3LDYgKzE0OCwxNSBAQCBzdGF0aWMgdm9pZCByY2FyX2R1X2dy b3VwX3NldHVwKHN0cnVjdCByY2FyX2R1X2dyb3VwICpyZ3JwKQo+ICAKPiAgCXJjYXJfZHVfZ3Jv dXBfc2V0dXBfcGlucyhyZ3JwKTsKPiAgCj4gKwkvKgo+ICsJICogVE9ETzogSGFuZGxlIHJvdXRp bmcgb2YgdGhlIERVIG91dHB1dCB0byBDTU0gZHluYW1pY2FsbHksIGFzIHdlCj4gKwkgKiBzaG91 bGQgYnlwYXNzIENNTSBjb21wbGV0ZWx5IHdoZW4gbm8gY29sb3IgbWFuYWdlbWVudCBmZWF0dXJl IGlzCj4gKwkgKiB1c2VkLgo+ICsJICovCj4gKwlkZWZyNyB8PSAocmdycC0+Y21tc19tYXNrICYg QklUKDEpID8gREVGUjdfQ01NRTEgOiAwKSB8Cj4gKwkJIChyZ3JwLT5jbW1zX21hc2sgJiBCSVQo MCkgPyBERUZSN19DTU1FMCA6IDApOwo+ICsJcmNhcl9kdV9ncm91cF93cml0ZShyZ3JwLCBERUZS NywgZGVmcjcpOwo+ICsKPiAgCWlmIChyY2R1LT5pbmZvLT5nZW4gPj0gMikgewo+ICAJCXJjYXJf ZHVfZ3JvdXBfc2V0dXBfZGVmcjgocmdycCk7Cj4gIAkJcmNhcl9kdV9ncm91cF9zZXR1cF9kaWRz cihyZ3JwKTsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3JjYXItZHUvcmNhcl9kdV9y ZWdzLmggYi9kcml2ZXJzL2dwdS9kcm0vcmNhci1kdS9yY2FyX2R1X3JlZ3MuaAo+IGluZGV4IGJj ODdmMDgwYjE3MC4uZmI5OTY0OTQ5MzY4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9y Y2FyLWR1L3JjYXJfZHVfcmVncy5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL3JjYXItZHUvcmNh cl9kdV9yZWdzLmgKPiBAQCAtMTk3LDYgKzE5NywxMSBAQAo+ICAjZGVmaW5lIERFRlI2X01MT1Mx CQkoMSA8PCAyKQo+ICAjZGVmaW5lIERFRlI2X0RFRkFVTFQJCShERUZSNl9DT0RFIHwgREVGUjZf VENORTEpCj4gIAo+ICsjZGVmaW5lIERFRlI3CQkJMHgwMDBlYwo+ICsjZGVmaW5lIERFRlI3X0NP REUJCSgweDc3NzkgPDwgMTYpCj4gKyNkZWZpbmUgREVGUjdfQ01NRTEJCUJJVCg2KQo+ICsjZGVm aW5lIERFRlI3X0NNTUUwCQlCSVQoNCkKPiArCj4gIC8qIC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCj4g ICAqIFI4QTc3OTAtb25seSBDb250cm9sIFJlZ2lzdGVycwo+ICAgKi8KCi0tIApSZWdhcmRzLAoK TGF1cmVudCBQaW5jaGFydApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmkt ZGV2ZWw=