From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Paul Subject: Re: [DPU PATCH v2 5/6] drm/msm: hook up DPU with upstream DSI Date: Thu, 17 May 2018 17:01:45 -0400 Message-ID: <20180517210145.GJ3373@art_vandelay> References: <1524181924-9123-1-git-send-email-jsanka@codeaurora.org> <1524181924-9123-6-git-send-email-jsanka@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1524181924-9123-6-git-send-email-jsanka@codeaurora.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jeykumar Sankaran Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, hoegsberg@google.com, freedreno@lists.freedesktop.org List-Id: linux-arm-msm@vger.kernel.org T24gVGh1LCBBcHIgMTksIDIwMTggYXQgMDQ6NTI6MDNQTSAtMDcwMCwgSmV5a3VtYXIgU2Fua2Fy YW4gd3JvdGU6Cj4gU3dpdGNoIERQVSBmcm9tIGRzaS1zdGFnaW5nIHRvIHVwc3RyZWFtIGRzaSBk cml2ZXIuIFRvIG1ha2UKPiB0aGUgc3dpdGNoIGF0b21pYywgdGhpcyBjaGFuZ2UgaW5jbHVkZXM6 Cj4gLSByZW1vdmUgZHB1IGNvbm5lY3RvciBsYXllcnMKPiAtIGNsZWFuIHVwIGRwdSBjb25uZWN0 b3IgZGVwZW5kZW5jaWVzIGluIGVuY29kZXIvY3J0Ywo+IC0gY29tcGlsZSBvdXQgd3JpdGViYWNr IGFuZCBkaXNwbGF5IHBvcnQgZHJpdmVycwo+IC0gY29tcGlsZSBvdXQgZHNpLXN0YWdpbmcgZHJp dmVyIChzZXBhcmF0ZSBwYXRjaCBzdWJtaXR0ZWQgdG8KPiAgIHJlbW92ZSB0aGUgZHJpdmVyKQo+ IC0gYWRhcHQgdXBzdHJlYW0gZGV2aWNlIGhpZXJhcmNoeQo+IAo+IGNoYW5nZXMgaW4gdjI6Cj4g CS0gcmVtb3ZlIGZpbGVzIG5vdCBhcHBsaWNhYmxlIHVwc3RyZWFtIChTZWFuIFBhdWwpCj4gCS0g cmVtb3ZlIGNvbXBpbGVkIG91dCBub24tZHNpIGRpc3BsYXkgaW5pdCAoU2VhbiBQYXVsKQo+IAkt IHNwbGl0IHVucmVsYXRlZCBjaGFuZ2VzIGludG8gc2VwYXJhdGUgcGF0Y2ggc2V0IChTZWFuIFBh dWwpCj4gCj4gU2lnbmVkLW9mZi1ieTogSmV5a3VtYXIgU2Fua2FyYW4gPGpzYW5rYUBjb2RlYXVy b3JhLm9yZz4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL21zbS9NYWtlZmlsZSAgICAgICAgICAg ICAgICAgICAgICAgfCAgICAxIC0KPiAgZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1 X2Nvbm5lY3Rvci5jICAgICAgfCAxMTg0IC0tLS0tLS0tLS0tLS0tLS0tLS0tCj4gIGRyaXZlcnMv Z3B1L2RybS9tc20vZGlzcC9kcHUxL2RwdV9jb25uZWN0b3IuaCAgICAgIHwgIDU1NSAtLS0tLS0t LS0KPiAgZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1X2NydGMuYyAgICAgICAgICAg fCAgICA5IC0KPiAgZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1X2VuY29kZXIuYyAg ICAgICAgfCAgMTc5ICstLQo+ICBkcml2ZXJzL2dwdS9kcm0vbXNtL2Rpc3AvZHB1MS9kcHVfZW5j b2Rlci5oICAgICAgICB8ICAgMTAgKy0KPiAgZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEv ZHB1X2VuY29kZXJfcGh5cy5oICAgfCAgICA4ICstCj4gIC4uLi9ncHUvZHJtL21zbS9kaXNwL2Rw dTEvZHB1X2VuY29kZXJfcGh5c192aWQuYyAgIHwgICAgNiArLQo+ICBkcml2ZXJzL2dwdS9kcm0v bXNtL2Rpc3AvZHB1MS9kcHVfa21zLmMgICAgICAgICAgICB8ICA0ODkgKy0tLS0tLS0KPiAgZHJp dmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1X2ttcy5oICAgICAgICAgICAgfCAgICA2IC0K PiAgZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1X3JtLmMgICAgICAgICAgICAgfCAg IDU0ICstCj4gIGRyaXZlcnMvZ3B1L2RybS9tc20vZGlzcC9kcHUxL2RwdV9ybS5oICAgICAgICAg ICAgIHwgICAxMSArCj4gIGRyaXZlcnMvZ3B1L2RybS9tc20vZHB1X2RiZy5jICAgICAgICAgICAg ICAgICAgICAgIHwgICAgMyAtCj4gIGRyaXZlcnMvZ3B1L2RybS9tc20vbXNtX2Rydi5jICAgICAg ICAgICAgICAgICAgICAgIHwgICA0NyArLQo+ICBkcml2ZXJzL2dwdS9kcm0vbXNtL21zbV9kcnYu aCAgICAgICAgICAgICAgICAgICAgICB8ICAgMzkgLQo+ICAxNSBmaWxlcyBjaGFuZ2VkLCAxNTgg aW5zZXJ0aW9ucygrKSwgMjQ0MyBkZWxldGlvbnMoLSkKPiAgZGVsZXRlIG1vZGUgMTAwNjQ0IGRy aXZlcnMvZ3B1L2RybS9tc20vZGlzcC9kcHUxL2RwdV9jb25uZWN0b3IuYwo+ICBkZWxldGUgbW9k ZSAxMDA2NDQgZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1X2Nvbm5lY3Rvci5oCj4g Cgovc25pcAoKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2RwdTEvZHB1 X3JtLmMgYi9kcml2ZXJzL2dwdS9kcm0vbXNtL2Rpc3AvZHB1MS9kcHVfcm0uYwo+IGluZGV4IGM4 YzEyZDMuLmFmODIwNWYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2Rw dTEvZHB1X3JtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vbXNtL2Rpc3AvZHB1MS9kcHVfcm0u Ywo+IEBAIC0yMyw3ICsyMyw2IEBACj4gICNpbmNsdWRlICJkcHVfaHdfaW50Zi5oIgo+ICAjaW5j bHVkZSAiZHB1X2h3X3diLmgiCj4gICNpbmNsdWRlICJkcHVfZW5jb2Rlci5oIgo+IC0jaW5jbHVk ZSAiZHB1X2Nvbm5lY3Rvci5oIgo+ICAKPiAgI2RlZmluZSBSRVNFUlZFRF9CWV9PVEhFUihoLCBy KSBcCj4gIAkoKGgpLT5yc3ZwICYmICgoaCktPnJzdnAtPmVuY19pZCAhPSAociktPmVuY19pZCkp Cj4gQEAgLTE1OCw2ICsxNTcsMTggQEAgc3RydWN0IGRwdV9od19tZHAgKmRwdV9ybV9nZXRfbWRw KHN0cnVjdCBkcHVfcm0gKnJtKQo+ICAJcmV0dXJuIHJtLT5od19tZHA7Cj4gIH0KPiAgCj4gK2Vu dW0gZHB1X3JtX3RvcG9sb2d5X25hbWUKPiArZHB1X3JtX2dldF90b3BvbG9neV9uYW1lKHN0cnVj dCBtc21fZGlzcGxheV90b3BvbG9neSB0b3BvbG9neSkKPiArewo+ICsJaW50IGk7Cj4gKwo+ICsJ Zm9yIChpID0gMDsgaSA8IERQVV9STV9UT1BPTE9HWV9NQVg7IGkrKykKPiArCQlpZiAoUk1fSVNf VE9QT0xPR1lfTUFUQ0goZ190b3BfdGFibGVbaV0sIHRvcG9sb2d5KSkKPiArCQkJcmV0dXJuIGdf dG9wX3RhYmxlW2ldLnRvcF9uYW1lOwo+ICsKPiArCXJldHVybiBEUFVfUk1fVE9QT0xPR1lfTk9O RTsKPiArfQo+ICsKPiAgdm9pZCBkcHVfcm1faW5pdF9od19pdGVyKAo+ICAJCXN0cnVjdCBkcHVf cm1faHdfaXRlciAqaXRlciwKPiAgCQl1aW50MzJfdCBlbmNfaWQsCj4gQEAgLTk1NCwyMCArOTY1 LDE5IEBAIHN0YXRpYyBpbnQgX2RwdV9ybV9wb3B1bGF0ZV9yZXF1aXJlbWVudHMoCj4gIAkJc3Ry dWN0IGRybV9lbmNvZGVyICplbmMsCj4gIAkJc3RydWN0IGRybV9jcnRjX3N0YXRlICpjcnRjX3N0 YXRlLAo+ICAJCXN0cnVjdCBkcm1fY29ubmVjdG9yX3N0YXRlICpjb25uX3N0YXRlLAo+IC0JCXN0 cnVjdCBkcHVfcm1fcmVxdWlyZW1lbnRzICpyZXFzKQo+ICsJCXN0cnVjdCBkcHVfcm1fcmVxdWly ZW1lbnRzICpyZXFzLAo+ICsJCXN0cnVjdCBtc21fZGlzcGxheV90b3BvbG9neSByZXFfdG9wb2xv Z3kpCj4gIHsKPiAgCWNvbnN0IHN0cnVjdCBkcm1fZGlzcGxheV9tb2RlICptb2RlID0gJmNydGNf c3RhdGUtPm1vZGU7Cj4gIAlpbnQgaTsKPiAgCj4gIAltZW1zZXQocmVxcywgMCwgc2l6ZW9mKCpy ZXFzKSk7Cj4gIAo+IC0JcmVxcy0+dG9wX2N0cmwgPSBkcHVfY29ubmVjdG9yX2dldF9wcm9wZXJ0 eShjb25uX3N0YXRlLAo+IC0JCQlDT05ORUNUT1JfUFJPUF9UT1BPTE9HWV9DT05UUk9MKTsKPiAg CWRwdV9lbmNvZGVyX2dldF9od19yZXNvdXJjZXMoZW5jLCAmcmVxcy0+aHdfcmVzLCBjb25uX3N0 YXRlKTsKPiAgCj4gIAlmb3IgKGkgPSAwOyBpIDwgRFBVX1JNX1RPUE9MT0dZX01BWDsgaSsrKSB7 Cj4gIAkJaWYgKFJNX0lTX1RPUE9MT0dZX01BVENIKGdfdG9wX3RhYmxlW2ldLAo+IC0JCQkJCXJl cXMtPmh3X3Jlcy50b3BvbG9neSkpIHsKPiArCQkJCQlyZXFfdG9wb2xvZ3kpKSB7Cj4gIAkJCXJl cXMtPnRvcG9sb2d5ID0gJmdfdG9wX3RhYmxlW2ldOwo+ICAJCQlicmVhazsKPiAgCQl9Cj4gQEAg LTk3OCwxMCArOTg4LDYgQEAgc3RhdGljIGludCBfZHB1X3JtX3BvcHVsYXRlX3JlcXVpcmVtZW50 cygKPiAgCQlyZXR1cm4gLUVJTlZBTDsKPiAgCX0KPiAgCj4gLQkvKiBEU0MgYmxvY2tzIGFyZSBo YXJkd2lyZWQgZm9yIGNvbnRyb2wgcGF0aCAwIGFuZCAxICovCj4gLQlpZiAocmVxcy0+dG9wb2xv Z3ktPm51bV9jb21wX2VuYykKPiAtCQlyZXFzLT50b3BfY3RybCB8PSBCSVQoRFBVX1JNX1RPUENU TF9EU1BQKTsKPiAtCj4gIAkvKioKPiAgCSAqIFNldCB0aGUgcmVxdWlyZW1lbnQgYmFzZWQgb24g Y2FwcyBpZiBub3Qgc2V0IGZyb20gdXNlciBzcGFjZQo+ICAJICogVGhpcyB3aWxsIGVuc3VyZSB0 byBzZWxlY3QgTE0gdGllZCB3aXRoIERTIGJsb2Nrcwo+IEBAIC0xMTEwLDkgKzExMTYsNiBAQCB2 b2lkIGRwdV9ybV9yZWxlYXNlKHN0cnVjdCBkcHVfcm0gKnJtLCBzdHJ1Y3QgZHJtX2VuY29kZXIg KmVuYykKPiAgCQlnb3RvIGVuZDsKPiAgCX0KPiAgCj4gLQl0b3BfY3RybCA9IGRwdV9jb25uZWN0 b3JfZ2V0X3Byb3BlcnR5KGNvbm4tPnN0YXRlLAo+IC0JCQlDT05ORUNUT1JfUFJPUF9UT1BPTE9H WV9DT05UUk9MKTsKPiAtCj4gIAlpZiAodG9wX2N0cmwgJiBCSVQoRFBVX1JNX1RPUENUTF9SRVNF UlZFX0xPQ0spKSB7CgouLi9kcml2ZXJzL2dwdS9kcm0vbXNtL2Rpc3AvZHB1MS9kcHVfcm0uYzog SW4gZnVuY3Rpb24g4oCYZHB1X3JtX3JlbGVhc2XigJk6Ci4uL2RyaXZlcnMvZ3B1L2RybS9tc20v ZGlzcC9kcHUxL2RwdV9ybS5jOjExMTk6MTU6IHdhcm5pbmc6IOKAmHRvcF9jdHJs4oCZIG1heSBi ZSB1c2VkIHVuaW5pdGlhbGl6ZWQgaW4gdGhpcyBmdW5jdGlvbiBbLVdtYXliZS11bmluaXRpYWxp emVkXQoKCgoKPiAgCQlEUFVfREVCVUcoInJzdnBbcyVkZSVkXSBub3QgcmVsZWFzaW5nIGxvY2tl ZCByZXNvdXJjZXNcbiIsCj4gIAkJCQlyc3ZwLT5zZXEsIHJzdnAtPmVuY19pZCk7Cj4gQEAgLTEx MjAsMTIgKzExMjMsNiBAQCB2b2lkIGRwdV9ybV9yZWxlYXNlKHN0cnVjdCBkcHVfcm0gKnJtLCBz dHJ1Y3QgZHJtX2VuY29kZXIgKmVuYykKPiAgCQlEUFVfREVCVUcoInJlbGVhc2UgcnN2cFtzJWRl JWRdXG4iLCByc3ZwLT5zZXEsCj4gIAkJCQlyc3ZwLT5lbmNfaWQpOwo+ICAJCV9kcHVfcm1fcmVs ZWFzZV9yc3ZwKHJtLCByc3ZwLCBjb25uKTsKPiAtCj4gLQkJKHZvaWQpIG1zbV9wcm9wZXJ0eV9z ZXRfcHJvcGVydHkoCj4gLQkJCQlkcHVfY29ubmVjdG9yX2dldF9wcm9waW5mbyhjb25uKSwKPiAt CQkJCWRwdV9jb25uZWN0b3JfZ2V0X3Byb3BlcnR5X3N0YXRlKGNvbm4tPnN0YXRlKSwKPiAtCQkJ CUNPTk5FQ1RPUl9QUk9QX1RPUE9MT0dZX05BTUUsCj4gLQkJCQlEUFVfUk1fVE9QT0xPR1lfTk9O RSk7Cj4gIAl9Cj4gIAo+ICBlbmQ6Cj4gQEAgLTExNDEsMTggKzExMzgsNiBAQCBzdGF0aWMgaW50 IF9kcHVfcm1fY29tbWl0X3JzdnAoCj4gIAllbnVtIGRwdV9od19ibGtfdHlwZSB0eXBlOwo+ICAJ aW50IHJldCA9IDA7Cj4gIAo+IC0JcmV0ID0gbXNtX3Byb3BlcnR5X3NldF9wcm9wZXJ0eSgKPiAt CQkJZHB1X2Nvbm5lY3Rvcl9nZXRfcHJvcGluZm8oY29ubl9zdGF0ZS0+Y29ubmVjdG9yKSwKPiAt CQkJZHB1X2Nvbm5lY3Rvcl9nZXRfcHJvcGVydHlfc3RhdGUoY29ubl9zdGF0ZSksCj4gLQkJCUNP Tk5FQ1RPUl9QUk9QX1RPUE9MT0dZX05BTUUsCj4gLQkJCXJzdnAtPnRvcG9sb2d5KTsKPiAtCWlm IChyZXQpIHsKPiAtCQlEUFVfRVJST1IoImZhaWxlZCB0byBzZXQgdG9wb2xvZ3kgbmFtZSBwcm9w ZXJ0eSwgcmV0ICVkXG4iLAo+IC0JCQkJcmV0KTsKPiAtCQlfZHB1X3JtX3JlbGVhc2VfcnN2cChy bSwgcnN2cCwgY29ubl9zdGF0ZS0+Y29ubmVjdG9yKTsKPiAtCQlyZXR1cm4gcmV0Owo+IC0JfQo+ IC0KPiAgCS8qIFN3YXAgbmV4dCByc3ZwIHRvIGJlIHRoZSBhY3RpdmUgKi8KPiAgCWZvciAodHlw ZSA9IDA7IHR5cGUgPCBEUFVfSFdfQkxLX01BWDsgdHlwZSsrKSB7Cj4gIAkJbGlzdF9mb3JfZWFj aF9lbnRyeShibGssICZybS0+aHdfYmxrc1t0eXBlXSwgbGlzdCkgewo+IEBAIC0xMTc3LDYgKzEx NjIsNyBAQCBpbnQgZHB1X3JtX3Jlc2VydmUoCj4gIAkJc3RydWN0IGRybV9lbmNvZGVyICplbmMs Cj4gIAkJc3RydWN0IGRybV9jcnRjX3N0YXRlICpjcnRjX3N0YXRlLAo+ICAJCXN0cnVjdCBkcm1f Y29ubmVjdG9yX3N0YXRlICpjb25uX3N0YXRlLAo+ICsJCXN0cnVjdCBtc21fZGlzcGxheV90b3Bv bG9neSB0b3BvbG9neSwKPiAgCQlib29sIHRlc3Rfb25seSkKPiAgewo+ICAJc3RydWN0IGRwdV9y bV9yc3ZwICpyc3ZwX2N1ciwgKnJzdnBfbnh0Owo+IEBAIC0xMjAyLDcgKzExODgsNyBAQCBpbnQg ZHB1X3JtX3Jlc2VydmUoCj4gIAlfZHB1X3JtX3ByaW50X3JzdnBzKHJtLCBEUFVfUk1fU1RBR0Vf QkVHSU4pOwo+ICAKPiAgCXJldCA9IF9kcHVfcm1fcG9wdWxhdGVfcmVxdWlyZW1lbnRzKHJtLCBl bmMsIGNydGNfc3RhdGUsCj4gLQkJCWNvbm5fc3RhdGUsICZyZXFzKTsKPiArCQkJY29ubl9zdGF0 ZSwgJnJlcXMsIHRvcG9sb2d5KTsKPiAgCWlmIChyZXQpIHsKPiAgCQlEUFVfRVJST1IoImZhaWxl ZCB0byBwb3B1bGF0ZSBodyByZXF1aXJlbWVudHNcbiIpOwo+ICAJCWdvdG8gZW5kOwo+IEBAIC0x MjM3LDEyICsxMjIzLDYgQEAgaW50IGRwdV9ybV9yZXNlcnZlKAo+ICAJCV9kcHVfcm1fcmVsZWFz ZV9yc3ZwKHJtLCByc3ZwX2N1ciwgY29ubl9zdGF0ZS0+Y29ubmVjdG9yKTsKPiAgCQlyc3ZwX2N1 ciA9IE5VTEw7Cj4gIAkJX2RwdV9ybV9wcmludF9yc3ZwcyhybSwgRFBVX1JNX1NUQUdFX0FGVEVS X0NMRUFSKTsKPiAtCQkodm9pZCkgbXNtX3Byb3BlcnR5X3NldF9wcm9wZXJ0eSgKPiAtCQkJCWRw dV9jb25uZWN0b3JfZ2V0X3Byb3BpbmZvKAo+IC0JCQkJCQljb25uX3N0YXRlLT5jb25uZWN0b3Ip LAo+IC0JCQkJZHB1X2Nvbm5lY3Rvcl9nZXRfcHJvcGVydHlfc3RhdGUoY29ubl9zdGF0ZSksCj4g LQkJCQlDT05ORUNUT1JfUFJPUF9UT1BPTE9HWV9OQU1FLAo+IC0JCQkJRFBVX1JNX1RPUE9MT0dZ X05PTkUpOwo+ICAJfQo+ICAKPiAgCS8qIENoZWNrIHRoZSBwcm9wb3NlZCByZXNlcnZhdGlvbiwg c3RvcmUgaXQgaW4gaHcncyAibmV4dCIgZmllbGQgKi8KCi9zbmlwCgotLSAKU2VhbiBQYXVsLCBT b2Z0d2FyZSBFbmdpbmVlciwgR29vZ2xlIC8gQ2hyb21pdW0gT1MKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmkt ZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==