From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeykumar Sankaran Subject: Re: [RFC] Expanding drm_mode_modeinfo flags Date: Thu, 18 Jul 2019 11:18:42 -0700 Message-ID: <16fee2b42fa03d2cf104452223dcf5af@codeaurora.org> References: <1562870805-32314-1-git-send-email-jsanka@codeaurora.org> <20190716090712.GY15868@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190716090712.GY15868-dv86pmgwkMBes7Z6vYuT8azUEOm+Xw19@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: Daniel Vetter Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, pdhaval-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Daniel Vetter , freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: dri-devel@lists.freedesktop.org T24gMjAxOS0wNy0xNiAwMjowNywgRGFuaWVsIFZldHRlciB3cm90ZToKPiBPbiBUaHUsIEp1bCAx MSwgMjAxOSBhdCAxMTo0Njo0NEFNIC0wNzAwLCBKZXlrdW1hciBTYW5rYXJhbiB3cm90ZToKPj4g ICAgIEhlbGxvIEFsbCwKPj4gICAgIAlkcm1fbW9kZV9tb2RlaW5mbzo6ZmxhZ3MgaXMgYSAzMiBi aXQgZmllbGQgY3VycmVudGx5IHVzZWQgdG8KPj4gICAgIGRlc2NyaWJlIHRoZSBwcm9wZXJ0aWVz IG9mIGEgY29ubmVjdG9yIG1vZGUuIEkgc2VlIHRoZSBsZWFzdCBvcmRlcgo+IDIyIGJpdHMKPj4g ICAgIGFyZSBhbHJlYWR5IGluIHVzZS4gUG9zdGluZyB0aGlzIFJGQyB0byBkaXNjdXNzIG9uIGFu eSBwb3RlbnRpYWwKPiBwbGFucyB0bwo+PiAgICAgZXhwYW5kIHRoZSBiaXQgcmFuZ2Ugc3VwcG9y dCBvZiB0aGlzIGZpZWxkIGZvciBncm93aW5nIG1vZGUKPiBwcm9wZXJ0aWVzIGFuZAo+PiAgICAg d2F5cyB0byBoYW5kbGUgb25lIHN1Y2ggcHJvcGVydHkgbmVlZGVkIGJ5IHRoZSBtc20gZHB1IGRy aXZlci4KPj4gCj4+ICAgICBtc20gZHJpdmVycyBzdXBwb3J0IHBhbmVscyB3aGljaCBjYW4gZHlu YW1pY2FsbHkgc3dpdGNoIGJldHdlZW4KPj4gICAgIHZpZGVvKGFjdGl2ZSkgYW5kIGNvbW1hbmQo c21hcnQpIG1vZGVzLiBXaXRoaW4gdmlkZW8gbW9kZSwgdGhleSAKPj4gYWxzbwo+IHN1cHBvcnQK Pj4gICAgIHN3aXRjaGluZyBiZXR3ZWVuIHJlc29sdXRpb25zIHNlYW1sZXNzbHkgaS5lLiBnbGl0 Y2ggZnJlZSAKPj4gcmVzb2x1dGlvbgo+IHN3aXRjaC4KPj4gICAgIEJ1dCB0aGV5IGNhbm5vdCBk byBhIHNlYW1sZXNzIHN3aXRjaCBmcm9tIGEgcmVzb2x1dGlvbnMgZnJvbSB2aWRlbwo+IHRvCj4+ ICAgICBjb21tYW5kIG9yIHZpY2UgdmVyc2EuIENsaWVudHMgbmVlZCB0byBiZSBhd2FyZSBmb3Ig dGhlc2UKPiBjYXBhYmxpdGllcyBiZWZvcmUKPj4gICAgIHRoZXkgc3dpdGNoIGJldHdlZW4gdGhl IHJlc29sdXRpb25zLiBTaW5jZSB0aGVzZSBjYXBhYmlsaXRpZXMgYXJlCj4gaWRlbnRpZmllZAo+ PiAgICAgcGVyIGRybV9tb2RlLCB3ZSBhcmUgY29uc2lkZXJpbmcgdGhlIGJlbG93IHR3byBhcHBy b2FjaGVzIHRvIAo+PiBoYW5kbGUKPiB0aGlzCj4+ICAgICB1c2UgY2FzZS4KPj4gCj4+ICAgICBP cHRpb24gMToKPj4gICAgIEF0dGFjaGVkIHBhdGNoIGFkZHMgZmxhZyB2YWx1ZXMgdG8gYXNzb2Np YXRlIGEgZHJtX21vZGUgdG8KPiB2aWRlby9jb21tYW5kCj4+ICAgICBtb2RlIGFuZCB0byBpbmRp Y2F0ZSBpdHMgY2FwYWJpbGl0eSB0byBkbyBhIHNlYW1sZXNzIHN3aXRjaC4KPj4gCj4+ICAgICBP cHRpb24gMjoKPj4gICAgIGRybV9tb2RlX21vZGVpbmZvIGNhbiBleHBvc2UgYSBuZXcgInByaXZh dGVfZmxhZ3MiIGZpZWxkIHRvIGhhbmRsZQo+IHZlbmRvcgo+PiAgICAgc3BlY2lmaWMgbW9kZSBm bGFncy4gQmVzaWRlcyB0aGUgYWJvdmUgbWVudGlvbmVkIHVzZSBjYXNlLCB3ZSBhcmUKPiBhbHNv Cj4+ICAgICBleHBvbG9yaW5nIG1ldGhvZHMgdG8gaGFuZGxlIHNvbWUgb2Ygb3VyIGRpc3BsYXkg cG9ydCByZXNvbHV0aW9uCj4gc3dpdGNoIHVzZQo+PiAgICAgY2FzZXMgd2hlcmUgdGhlIERQIHBv cnRzIGNhbiBiZSBvcGVyYXRlZCBpbiBhIHRpbGVkL2RldGlsZWQgbW9kZXMuCj4gVGhpcwo+PiAg ICAgYXBwcm9hY2ggd2lsbCBwcm92aWRlIGEgc3RhbmRhcmQgY2hhbm5lbCBmb3IgZHJtIGRyaXZl ciB2ZW5kb3JzIAo+PiBmb3IKPiB0aGVpcgo+PiAgICAgZ3Jvd2luZyBuZWVkIGZvciBkcm1fbW9k ZSBzcGVjaWZpYyBjYXBhYmlsaXRpZXMuCj4+IAo+PiAgICAgUGxlYXNlIHByb3ZpZGUgeW91ciBp bnB1dHMgb24gdGhlIG9wdGlvbnMgb3IgYW55IHVwc3RyZWFtIGZyaWVuZGx5Cj4+ICAgICByZWNv bW1lbmRhdGlvbiB0byBoYW5kbGUgc3VjaCBjdXN0b20gdXNlIGNhc2VzLgo+PiAKPj4gICAgIFRo YW5rcyBhbmQgUmVnYXJkcywKPj4gICAgIEpleWt1bWFyIFMuCj4+IAo+PiBKZXlrdW1hciBTYW5r YXJhbiAoMSk6Cj4+ICAgZHJtOiBhZGQgbW9kZSBmbGFncyBpbiB1YXBpIGZvciBzZWFtbGVzcyBt b2RlIHN3aXRjaAo+IAo+IEkgdGhpbmsgdGhlIHVhcGkgaXMgdGhlIHRyaXZpYWwgcGFydCBoZXJl LCB0aGUgcmVhbCBkZWFsIGlzIGhvdyAKPiB1c2Vyc3BhY2UKPiB1c2VzIHRoaXMuIENhbiB5b3Ug cGxzIHBvc3QgdGhlIHBhdGNoZXMgZm9yIHlvdXIgY29tcG9zaXRvcj8KPiAKPiBBbHNvIG5vdGUg dGhhdCB3ZSBhbHJlYWR5IGFsbG93IHVzZXJzcGFjZSB0byB0ZWxsIHRoZSBrZXJuZWwgd2hldGhl cgo+IGZsaWNrZXJpbmcgaXMgb2sgb3Igbm90IGZvciBhIG1vZGVzZXQuIG1zbSBkcml2ZXIgY291 bGQgdXNlIHRoYXQgdG8gYXQKPiBsZWFzdCB0ZWxsIHVzZXJzcGFjZSB3aGV0aGVyIGEgbW9kZXNl dCBjaGFuZ2UgaXMgcG9zc2libGUuIFNvIHlvdSBjYW4KPiBhbHJlYWR5IGltcGxlbWVudCBnbGl0 Y2gtZnJlZSBtb2Rlc2V0IGNoYW5nZXMgZm9yIGF0IGxlYXN0IHZpZGVvIG1vZGUuCj4gLURhbmll bAoKSSBiZWxpZXZlIHlvdSBhcmUgcmVmZXJyaW5nIHRvIHRoZSBiZWxvdyB0diBwcm9wZXJ0eSBv ZiB0aGUgY29ubmVjdG9yLgoKLyoqCiAgKiBAdHZfZmxpY2tlcl9yZWR1Y3Rpb25fcHJvcGVydHk6 IE9wdGlvbmFsIFRWIHByb3BlcnR5IHRvIGNvbnRyb2wgdGhlCiAgKiBmbGlja2VyIHJlZHVjdGlv biBtb2RlLgogICovCnN0cnVjdCBkcm1fcHJvcGVydHkgKnR2X2ZsaWNrZXJfcmVkdWN0aW9uX3By b3BlcnR5OwoKU3VyZS4gV2UgY2FuIHVzZSB0aGlzIHRvIGluZGljYXRlIHdoZXRoZXIgdGhlIGNv bm5lY3RvciByZXByZXNlbnRpbmcgdGhlIApwYW5lbApjYW4gc3VwcG9ydCB0aGUgZHluYW1pYyBn bGl0Y2gtZnJlZSBzd2l0Y2guIEJ1dCB3aGVuIHRoZSBwYW5lbCBzdXBwb3J0cyAKYm90aAp2aWRl byBhbmQgY29tbWFuZCBtb2RlIHJlc29sdXRpb25zIGFuZCBzdWNoIGdsaXRjaC1mcmVlIHN3aXRj aCBpcyAKcG9zc2libGUgb25seSBiZXR3ZWVuCnZpZGVvIG1vZGUgcmVzb2x1dGlvbnMsIHdlIG5l ZWQgcGVyIHJlc29sdXRpb24oZHJtX21vZGVfbW9kZWluZm8pIAppbmZvcm1hdGlvbgp0byBpZGVu dGlmeSB0aGUgcmVzb2x1dGlvbnMgZW51bWVyYXRlZCBmb3IgdmlkZW8gbW9kZS4KCkJlbG93IGlz IGFuIGV4YW1wbGUgb2YgdGhlIGNvbXBvc2l0b3IgdXRpbGl0eSBmdW5jdGlvbiB3aGljaCBjYW4g dXNlIHRoZSAKdHZfZmxpY2tlcl9wcm9wZXJ0eQphbmQgdGhlIHByb3Bvc2VkIG1vZGVpbmZvIGZs YWdzIHRvIGlkZW50aWZ5IGdsaXRjaC1mcmVlIHN3aXRjaGVzLgoKICBib29sIGlzX3NlYW1sZXNz X3N3aXRjaF9zdXBwb3J0ZWQoc3RydWN0IGRybV9tb2RlX21vZGVpbmZvIHNyY19tb2RlLCAKc3Ry dWN0CiAgICAgICAgICAgICAgICAgIGRybV9tb2RlX21vZGVpbmZvICpkc3RfbW9kZSwgYm9vbCAK ZmxpY2tlcl9yZWR1Y3Rpb25fc3VwcG9ydGVkKQogIHsKICAgICAgICAgIGlmICghZmxpY2tlcl9y ZWR1Y3Rpb25fc3VwcG9ydGVkKSB7CiAgICAgICAgICAgICAgICAgIHByaW50ZigiZmxpY2tlciBy ZWR1Y3Rpb24gcHJvcCBub3Qgc2V0IGZvciB0aGUgCmNvbm5lY3RvclxuIik7CiAgICAgICAgICAg ICAgICAgIHJldHVybiBmYWxzZTsKICAgICAgICAgIH0KCiAgICAgICAgICAvKgogICAgICAgICAg ICogU2VhbWxlc3Mgc3dpdGNoKGlmIHN1cHBvcnRlZCkgaXMgcG9zc2libGUgb25seSBiZXR3ZWVu IHZpZGVvIAptb2RlCiAgICAgICAgICAgKiByZXNvbHV0aW9ucwogICAgICAgICAgICovCiAgICAg ICAgICBpZiAoc3JjX21vZGUtPmZsYWdzICYgRFJNX01PREVfRkxBR19WSURFT19NT0RFICYmCiAg ICAgICAgICAgICAgICAgICAgICAgICAgZHN0X21vZGUtPmZsYWdzICYgRFJNX01PREVfRkxBR19W SURFT19NT0RFKQogICAgICAgICAgICAgICAgICByZXR1cm4gdHJ1ZTsKICAgICAgICAgIGVsc2UK ICAgICAgICAgICAgICAgICAgcmV0dXJuIGZhbHNlOwoKICB9CgoKLS0gCkpleWt1bWFyIFMKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KRnJlZWRyZW5vIG1h aWxpbmcgbGlzdApGcmVlZHJlbm9AbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZnJlZWRyZW5v