From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Paul Subject: Re: [DPU PATCH 2/2] drm/panel: add backlight control support for truly panel Date: Fri, 13 Apr 2018 16:46:03 -0400 Message-ID: <20180413204603.GL73214@art_vandelay> References: <1523084813-858-1-git-send-email-abhinavk@codeaurora.org> <1523084813-858-2-git-send-email-abhinavk@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: <1523084813-858-2-git-send-email-abhinavk-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: Abhinav Kumar Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, manojavm-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, nganji-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, hoegsberg-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, chandanu-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org List-Id: dri-devel@lists.freedesktop.org T24gU2F0LCBBcHIgMDcsIDIwMTggYXQgMTI6MDY6NTNBTSAtMDcwMCwgQWJoaW5hdiBLdW1hciB3 cm90ZToKPiBSZWdpc3RlciB0cnVseSBwYW5lbCBhcyBhIGJhY2tsaWdodCBsZWQgZGV2aWNlIGFu ZAo+IHByb3ZpZGUgbWV0aG9kcyB0byBjb250cm9sIGl0cyBiYWNrbGlnaHQgb3BlcmF0aW9uLgo+ IAo+IFNpZ25lZC1vZmYtYnk6IEFiaGluYXYgS3VtYXIgPGFiaGluYXZrQGNvZGVhdXJvcmEub3Jn Pgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vcGFuZWwvcGFuZWwtdHJ1bHktZHVhbC1kc2kuYyB8 IDk2ICsrKysrKysrKysrKysrKysrKysrKysrKysrKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDk0IGlu c2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1 L2RybS9wYW5lbC9wYW5lbC10cnVseS1kdWFsLWRzaS5jIGIvZHJpdmVycy9ncHUvZHJtL3BhbmVs L3BhbmVsLXRydWx5LWR1YWwtZHNpLmMKPiBpbmRleCA0Nzg5MWVlLi41ZDBlZjkwIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9wYW5lbC9wYW5lbC10cnVseS1kdWFsLWRzaS5jCj4gKysr IGIvZHJpdmVycy9ncHUvZHJtL3BhbmVsL3BhbmVsLXRydWx5LWR1YWwtZHNpLmMKPiBAQCAtMTQs NiArMTQsNyBAQAo+ICAjaW5jbHVkZSA8bGludXgvZ3Bpby9jb25zdW1lci5oPgo+ICAjaW5jbHVk ZSA8bGludXgvcmVndWxhdG9yL2NvbnN1bWVyLmg+Cj4gICNpbmNsdWRlIDxsaW51eC9waW5jdHJs L2NvbnN1bWVyLmg+Cj4gKyNpbmNsdWRlIDxsaW51eC9sZWRzLmg+CgpJbmNsdWRlcyBzaG91bGQg YmUgYWxwaGFiZXRpY2FsLgoKPiAgCj4gICNpbmNsdWRlIDx2aWRlby9taXBpX2Rpc3BsYXkuaD4K PiAgI2luY2x1ZGUgPHZpZGVvL29mX3ZpZGVvbW9kZS5oPgo+IEBAIC0yMyw2ICsyNCw5IEBACj4g ICNpbmNsdWRlIDxkcm0vZHJtX3BhbmVsLmg+Cj4gICNpbmNsdWRlIDxkcm0vZHJtX21pcGlfZHNp Lmg+Cj4gIAo+ICsjZGVmaW5lIEJMX05PREVfTkFNRV9TSVpFIDMyCj4gKyNkZWZpbmUgUFJJTV9E SVNQTEFZX05PREUgMAo+ICsKPiAgc3RydWN0IHRydWx5X3dxeGdhIHsKPiAgCXN0cnVjdCBkZXZp Y2UgKmRldjsKPiAgCXN0cnVjdCBkcm1fcGFuZWwgcGFuZWw7Cj4gQEAgLTMzLDYgKzM3LDggQEAg c3RydWN0IHRydWx5X3dxeGdhIHsKPiAgCXN0cnVjdCBncGlvX2Rlc2MgKm1vZGVfZ3BpbzsKPiAg Cj4gIAlzdHJ1Y3QgYmFja2xpZ2h0X2RldmljZSAqYmFja2xpZ2h0Owo+ICsJLyogV0xFRCBwYXJh bXMgKi8KPiArCXN0cnVjdCBsZWRfdHJpZ2dlciAqd2xlZDsKPiAgCXN0cnVjdCB2aWRlb21vZGUg dm07Cj4gIAo+ICAJc3RydWN0IG1pcGlfZHNpX2RldmljZSAqZHNpWzJdOwo+IEBAIC00NDcsNiAr NDUzLDgzIEBAIHN0YXRpYyB2b2lkIHRydWx5X3dxeGdhX3BhbmVsX2RlbChzdHJ1Y3QgdHJ1bHlf d3F4Z2EgKmN0eCkKPiAgCQlwdXRfZGV2aWNlKCZjdHgtPmRzaVsxXS0+ZGV2KTsKPiAgfQo+ICAK PiArc3RhdGljIGludCB0cnVseV9iYWNrbGlnaHRfZGV2aWNlX3VwZGF0ZV9zdGF0dXMoc3RydWN0 IGJhY2tsaWdodF9kZXZpY2UgKmJkKQo+ICt7Cj4gKwlpbnQgYnJpZ2h0bmVzczsKPiArCWludCBt YXhfYnJpZ2h0bmVzczsKPiArCWludCByYyA9IDA7Cj4gKwpleHRyYSBsaW5lCgo+ICsJc3RydWN0 IHRydWx5X3dxeGdhICpjdHggPSBkZXZfZ2V0X2RydmRhdGEoJmJkLT5kZXYpOwo+ICsKPiArCWJy aWdodG5lc3MgPSBiZC0+cHJvcHMuYnJpZ2h0bmVzczsKPiArCW1heF9icmlnaHRuZXNzID0gYmQt PnByb3BzLm1heF9icmlnaHRuZXNzOwo+ICsKPiArCWlmICgoYmQtPnByb3BzLnBvd2VyICE9IEZC X0JMQU5LX1VOQkxBTkspIHx8Cj4gKwkJKGJkLT5wcm9wcy5zdGF0ZSAmIEJMX0NPUkVfRkJCTEFO SykgfHwKPiArCQkgIChiZC0+cHJvcHMuc3RhdGUgJiBCTF9DT1JFX1NVU1BFTkRFRCkpCj4gKwkJ YnJpZ2h0bmVzcyA9IDA7Cj4gKwo+ICsJaWYgKGJyaWdodG5lc3MgPiBtYXhfYnJpZ2h0bmVzcykK PiArCQlicmlnaHRuZXNzID0gbWF4X2JyaWdodG5lc3M7Cj4gKwo+ICsJLyogTmVlZCB0byBjaGVj ayBXTEVEIGRyaXZlciBjYXBhYmlsaXR5IHVwc3RyZWFtICovCj4gKwlpZiAoY3R4ICYmIGN0eC0+ d2xlZCkKCmN0eCBjYW4ndCBiZSBOVUxMLCBzbyBubyBuZWVkIHRvIGNoZWNrIGZvciB0aGF0LiBB bmQgaWYgY3R4LT53bGVkIGlzIG51bGwsIGl0CmRvZXNuJ3Qgc2VlbSBsaWtlIHRoaXMgZnVuY3Rp b24gd2lsbCBkbyBhbnl0aGluZy4gU28gaG93IGFib3V0IGp1c3Qgbm90CnJlZ2lzdGVyaW5nIHRo ZSBiYWNrbGlnaHQgaWYgd2xlZCA9PSBOVUxMIChpZiB0aGF0J3MgcG9zc2libGUpLgoKPiArCQls ZWRfdHJpZ2dlcl9ldmVudChjdHgtPndsZWQsIGJyaWdodG5lc3MpOwo+ICsKPiArCXJldHVybiBy YzsKPiArfQo+ICsKPiArc3RhdGljIGludCB0cnVseV9iYWNrbGlnaHRfZGV2aWNlX2dldF9icmln aHRuZXNzKHN0cnVjdCBiYWNrbGlnaHRfZGV2aWNlICpiZCkKPiArewo+ICsJcmV0dXJuIGJkLT5w cm9wcy5icmlnaHRuZXNzOwo+ICt9Cj4gKwo+ICtzdGF0aWMgY29uc3Qgc3RydWN0IGJhY2tsaWdo dF9vcHMgdHJ1bHlfYmFja2xpZ2h0X2RldmljZV9vcHMgPSB7Cj4gKwkudXBkYXRlX3N0YXR1cyA9 IHRydWx5X2JhY2tsaWdodF9kZXZpY2VfdXBkYXRlX3N0YXR1cywKPiArCS5nZXRfYnJpZ2h0bmVz cyA9IHRydWx5X2JhY2tsaWdodF9kZXZpY2VfZ2V0X2JyaWdodG5lc3MsCj4gK307Cj4gKwo+ICtz dGF0aWMgaW50IHRydWx5X2JhY2tsaWdodF9zZXR1cChzdHJ1Y3QgdHJ1bHlfd3F4Z2EgKmN0eCkK PiArewo+ICsJc3RydWN0IGJhY2tsaWdodF9wcm9wZXJ0aWVzIHByb3BzOwo+ICsJY2hhciBibF9u b2RlX25hbWVbQkxfTk9ERV9OQU1FX1NJWkVdOwo+ICsKPiArCWlmICghY3R4KSB7Cj4gKwkJZGV2 X2VycihjdHgtPmRldiwgImludmFsaWQgY29udGV4dFxuIik7Cj4gKwkJcmV0dXJuIC1FSU5WQUw7 Cj4gKwl9CgpUaGlzIGNhbid0IGhhcHBlbi4KCj4gKwo+ICsJaWYgKCFjdHgtPmJhY2tsaWdodCkg ewo+ICsJCW1lbXNldCgmcHJvcHMsIDAsIHNpemVvZihwcm9wcykpOwo+ICsJCXByb3BzLnR5cGUg PSBCQUNLTElHSFRfUkFXOwo+ICsJCXByb3BzLnBvd2VyID0gRkJfQkxBTktfVU5CTEFOSzsKPiAr CQlwcm9wcy5tYXhfYnJpZ2h0bmVzcyA9IDQwOTY7Cj4gKwo+ICsJCXNucHJpbnRmKGJsX25vZGVf bmFtZSwgQkxfTk9ERV9OQU1FX1NJWkUsICJwYW5lbCV1LWJhY2tsaWdodCIsCj4gKwkJCQkgUFJJ TV9ESVNQTEFZX05PREUpOwoKR2l2ZW4gdGhhdCBQUklNX0RJU1BMQVlfTk9ERSBpcyBhbHdheXMg MCwgdGhpcyBzZWVtcyBsaWtlIG92ZXJraWxsIGZvciBhIHByZXR0eQpnZW5lcmljIG5hbWUgInBh bmVsMC1iYWNrbGlnaHQiLiBTbyBsZXQncyBqdXN0IGNhbGwgaXQgInRydWx5X2JhY2tsaWdodCIg aW4gdGhlCnJlZ2lzdGVyIGNhbGwuCgo+ICsKPiArCQljdHgtPmJhY2tsaWdodCA9ICBiYWNrbGln aHRfZGV2aWNlX3JlZ2lzdGVyKGJsX25vZGVfbmFtZSwKPiArCQkJCWN0eC0+ZGV2LCBjdHgsCj4g KwkJCQkmdHJ1bHlfYmFja2xpZ2h0X2RldmljZV9vcHMsICZwcm9wcyk7Cj4gKwo+ICsJCWlmIChJ U19FUlJfT1JfTlVMTChjdHgtPmJhY2tsaWdodCkpIHsKPiArCQkJcHJfZXJyKCJGYWlsZWQgdG8g cmVnaXN0ZXIgYmFja2xpZ2h0XG4iKTsKPiArCQkJY3R4LT5iYWNrbGlnaHQgPSBOVUxMOwo+ICsJ CQlyZXR1cm4gLUVOT0RFVjsKPiArCQl9Cj4gKwo+ICsJCS8qIFJlZ2lzdGVyIHdpdGggdGhlIExF RCBkcml2ZXIgaW50ZXJmYWNlICovCj4gKwkJbGVkX3RyaWdnZXJfcmVnaXN0ZXJfc2ltcGxlKCJi a2wtdHJpZ2dlciIsICZjdHgtPndsZWQpOwo+ICsKPiArCQlpZiAoIWN0eC0+d2xlZCkgewo+ICsJ CQlwcl9lcnIoImJhY2tsaWdodCBsZWQgcmVnaXN0cmF0aW9uIGZhaWxlZFxuIik7Cj4gKwkJCXJl dHVybiAtRU5PREVWOwo+ICsJCX0KPiArCX0KPiArCj4gKwlyZXR1cm4gMDsKPiArfQo+ICsKPiAg c3RhdGljIGludCB0cnVseV93cXhnYV9wcm9iZShzdHJ1Y3QgbWlwaV9kc2lfZGV2aWNlICpkc2kp Cj4gIHsKPiAgCXN0cnVjdCBkZXZpY2UgKmRldiA9ICZkc2ktPmRldjsKPiBAQCAtNDY2LDEwICs1 NDksMTEgQEAgc3RhdGljIGludCB0cnVseV93cXhnYV9wcm9iZShzdHJ1Y3QgbWlwaV9kc2lfZGV2 aWNlICpkc2kpCj4gIAkJc2Vjb25kYXJ5ID0gb2ZfZmluZF9taXBpX2RzaV9kZXZpY2VfYnlfbm9k ZShucCk7Cj4gIAkJb2Zfbm9kZV9wdXQobnApOwo+ICAKPiArCQljdHggPSBkZXZtX2t6YWxsb2Mo ZGV2LCBzaXplb2YoKmN0eCksIEdGUF9LRVJORUwpOwo+ICsKCldoeSBtb3ZlIHRoaXM/Cgo+ICAJ CWlmICghc2Vjb25kYXJ5KQo+ICAJCQlyZXR1cm4gLUVQUk9CRV9ERUZFUjsKPiAgCj4gLQkJY3R4 ID0gZGV2bV9remFsbG9jKGRldiwgc2l6ZW9mKCpjdHgpLCBHRlBfS0VSTkVMKTsKPiAgCQlpZiAo IWN0eCkgewo+ICAJCQlwdXRfZGV2aWNlKCZzZWNvbmRhcnktPmRldik7Cj4gIAkJCXJldHVybiAt RU5PTUVNOwo+IEBAIC00ODUsNiArNTY5LDEyIEBAIHN0YXRpYyBpbnQgdHJ1bHlfd3F4Z2FfcHJv YmUoc3RydWN0IG1pcGlfZHNpX2RldmljZSAqZHNpKQo+ICAJCQlwdXRfZGV2aWNlKCZzZWNvbmRh cnktPmRldik7Cj4gIAkJCXJldHVybiByZXQ7Cj4gIAkJfQo+ICsKPiArCQlyZXQgPSB0cnVseV9i YWNrbGlnaHRfc2V0dXAoY3R4KTsKPiArCQlpZiAocmV0KSB7Cj4gKwkJCXB1dF9kZXZpY2UoJnNl Y29uZGFyeS0+ZGV2KTsKPiArCQkJcmV0dXJuIHJldDsKPiArCQl9Cj4gIAl9Cj4gIAo+ICAJcmV0 ID0gbWlwaV9kc2lfYXR0YWNoKGRzaSk7Cj4gQEAgLTUwNCw4ICs1OTQsMTAgQEAgc3RhdGljIGlu dCB0cnVseV93cXhnYV9yZW1vdmUoc3RydWN0IG1pcGlfZHNpX2RldmljZSAqZHNpKQo+ICAJbWlw aV9kc2lfZGV0YWNoKGRzaSk7Cj4gIAo+ICAJLyogZGVsZXRlIHBhbmVsIG9ubHkgZm9yIHRoZSBE U0kxIGludGVyZmFjZSAqLwo+IC0JaWYgKGN0eCkKPiArCWlmIChjdHgpIHsKPiAgCQl0cnVseV93 cXhnYV9wYW5lbF9kZWwoY3R4KTsKPiArCQlrZnJlZShjdHgpOwo+ICsJfQo+ICAKPiAgCXJldHVy biAwOwo+ICB9Cj4gLS0gCj4gVGhlIFF1YWxjb21tIElubm92YXRpb24gQ2VudGVyLCBJbmMuIGlz IGEgbWVtYmVyIG9mIHRoZSBDb2RlIEF1cm9yYSBGb3J1bSwKPiBhIExpbnV4IEZvdW5kYXRpb24g Q29sbGFib3JhdGl2ZSBQcm9qZWN0Cj4gCgotLSAKU2VhbiBQYXVsLCBTb2Z0d2FyZSBFbmdpbmVl ciwgR29vZ2xlIC8gQ2hyb21pdW0gT1MKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KRnJlZWRyZW5vIG1haWxpbmcgbGlzdApGcmVlZHJlbm9AbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vZnJlZWRyZW5vCg==