From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Salisbury Subject: Re: [4.4-rc1][Regression] drm/i915: Check live status before reading edid Date: Mon, 28 Mar 2016 14:39:33 -0400 Message-ID: <56F97A65.3010608@canonical.com> References: <56CE22DB.6050108@canonical.com> <87lh63uago.fsf@intel.com> <56D76208.7020702@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <56D76208.7020702@canonical.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula , sonika.jindal@intel.com Cc: David Airlie , Daniel Vetter , intel-gfx , LKML , dri-devel , rodrigo.vivi@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gMDMvMDIvMjAxNiAwNDo1OCBQTSwgSm9zZXBoIFNhbGlzYnVyeSB3cm90ZToKPiBPbiAwMi8y OS8yMDE2IDA0OjMzIEFNLCBKYW5pIE5pa3VsYSB3cm90ZToKPj4gT24gV2VkLCAyNCBGZWIgMjAx NiwgSm9zZXBoIFNhbGlzYnVyeSA8am9zZXBoLnNhbGlzYnVyeUBjYW5vbmljYWwuY29tPiB3cm90 ZToKPj4+IEhpIFNvbmlrYSwKPj4+Cj4+PiBBIGtlcm5lbCBidWcgcmVwb3J0IHdhcyBvcGVuZWQg YWdhaW5zdCBVYnVudHUgWzBdLiAgQWZ0ZXIgYSBrZXJuZWwKPj4+IGJpc2VjdCwgaXQgd2FzIGZv dW5kIHRoYXQgcmV2ZXJ0aW5nIHRoZSBmb2xsb3dpbmcgY29tbWl0IHJlc29sdmVkIHRoaXMgYnVn Ogo+Pj4KPj4+IGNvbW1pdCAyMzdlZDg2YzY5M2Q4YThlNGRiNDc2OTc2YWViMzBkZjRkZWFjNzRi Cj4+PiBBdXRob3I6IFNvbmlrYSBKaW5kYWwgPHNvbmlrYS5qaW5kYWxAaW50ZWwuY29tPgo+Pj4g RGF0ZTogICBUdWUgU2VwIDE1IDA5OjQ0OjIwIDIwMTUgKzA1MzAKPj4+Cj4+PiAgICAgZHJtL2k5 MTU6IENoZWNrIGxpdmUgc3RhdHVzIGJlZm9yZSByZWFkaW5nIGVkaWQKPj4+Cj4+Pgo+Pj4KPj4+ IFRoZSByZWdyZXNzaW9uIHdhcyBpbnRyb2R1Y2VkIGFzIG9mIHY0LjQtcmMxLgo+Pj4KPj4+IEkg d2FzIGhvcGluZyB0byBnZXQgeW91ciBmZWVkYmFjaywgc2luY2UgeW91IGFyZSB0aGUgcGF0Y2gg YXV0aG9yLiAgRG8KPj4+IHRoaW5rIGluY3JlYXNpbmcgdGhlIG51bWJlciBvZiB0cmllcyBpbiBp bnRlbF9oZG1pX2RldGVjdCgpIGlzIHdvcnRoCj4+PiB0cnlpbmc/ICBEbyB5b3UgdGhpbmsgZ2F0 aGVyaW5nIGFueSBhZGRpdGlvbmFsIGRhdGEgd2lsbCBoZWxwIGRpYWdub3NlCj4+PiB0aGlzIGlz c3VlLCBvciB3b3VsZCBpdCBiZSBiZXN0IHRvIHN1Ym1pdCBhIHJldmVydCByZXF1ZXN0Pwo+IFRo YW5rcyBmb3IgdGhlIGluZm8uICBJIHdpbGwgaGF2ZSBhbGwgb2YgdGhlc2UgY29tbWl0cyB0ZXN0 ZWQuCj4KPgo+PiBUaGVyZSBhcmUgYXQgbGVhc3QgdGhlIGZvbGxvd2luZyBjb21taXRzIGNsYWlt aW5nIHRvIGZpeCBpc3N1ZXMgaW4gdGhlCj4+IGFib3ZlIGNvbW1pdC4gUGxlYXNlIG1ha2Ugc3Vy ZSB5b3UgaGF2ZSB0aGVtLgo+Pgo+PiBCUiwKPj4gSmFuaS4KPj4KPj4KPj4gY29tbWl0IDhkNDA5 Y2IzZThhMjQxOTZiZTcyNzFkZWZhZmQ0NjM4ZjNlMGI1MTQKPj4gQXV0aG9yOiBWaWxsZSBTeXJq w6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+PiBEYXRlOiAgIFdlZCBGZWIg MTAgMTk6NTk6MDUgMjAxNiArMDIwMAo+Pgo+PiAgICAgZHJtL2k5MTU6IEZpeCBocGQgbGl2ZSBz dGF0dXMgYml0cyBmb3IgZzR4Cj4+Cj4+IGNvbW1pdCAzZDhhY2QxZjY2N2I0NWM1MzE0MDFjOGYw YzIwMzMwNzJlMzJhMDVkCj4+IEF1dGhvcjogR2FyeSBXYW5nIDxnYXJ5LmMud2FuZ0BpbnRlbC5j b20+Cj4+IERhdGU6ICAgV2VkIERlYyAyMyAxNjoxMTozNSAyMDE1ICswODAwCj4+Cj4+ICAgICBk cm0vaTkxNTogaW5jcmVhc2UgdGhlIHRyaWVzIGZvciBIRE1JIGhvdHBsdWcgbGl2ZSBzdGF0dXMg Y2hlY2tpbmcKPj4KPj4gY29tbWl0IDk3ZjkwMTBhZjA1YzE1ZTBiN2U2YjRlZjZmZjhjYjBlYmI3 ZTc3MTUKPj4gQXV0aG9yOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPgo+ PiBEYXRlOiAgIEZyaSBEZWMgMTEgMTk6NDQ6MTUgMjAxNSArMDEwMAo+Pgo+PiAgICAgZHJtL2k5 MTU6IG1kZWxheSgxMCkgY29uc2lkZXJlZCBoYXJtZnVsCj4+Cj4+IGNvbW1pdCAwZjVhOWJlMTU3 OTdmNzhjOWEzNGU0MzJmMjZjNzk2MTY1YjZlNDlhCj4+IEF1dGhvcjogSW1yZSBEZWFrIDxpbXJl LmRlYWtAaW50ZWwuY29tPgo+PiBEYXRlOiAgIEZyaSBOb3YgMjcgMTg6NTU6MjkgMjAxNSArMDIw MAo+Pgo+PiAgICAgZHJtL2k5MTU6IHRha2UgYSBwb3dlciBkb21haW4gcmVmZXJlbmNlIHdoaWxl IGNoZWNraW5nIHRoZSBIRE1JIGxpdmUgc3RhdHVzCj4+Cj4+Cj4+Cj4+CkhpIEphbmksCgpBcHBs eWluZyB0aGUgZm9sbG93aW5nIGNvbW1pdCBkaWQgaW5kZWVkIGZpeCB0aGUgb3JpZ2luYWwgYnVn WzBdOgoKY29tbWl0IDhkNDA5Y2IzZThhMjQxOTZiZTcyNzFkZWZhZmQ0NjM4ZjNlMGI1MTQKQXV0 aG9yOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgpEYXRl OiAgIFdlZCBGZWIgMTAgMTk6NTk6MDUgMjAxNiArMDIwMAoKICAgIGRybS9pOTE1OiBGaXggaHBk IGxpdmUgc3RhdHVzIGJpdHMgZm9yIGc0eAoKCgpIb3dldmVyLCBpdCBhbHNvIGludHJvZHVjZWQg YSBuZXcgYnVnLCB3aGljaCBpcyBjb3ZlcmVkIGluIHRoYXQgYnVnCnJlcG9ydC4gIFRoZSBuZXcg YnVnIGlzIHRoYXQgYWZ0ZXIgbG9ja2luZy91bmxvY2tpbmcgdGhlIHNjcmVlbiwgYWxsIHRoZQp3 aW5kb3dzIGdldCBzaHVmZmxlZCBhcm91bmQgaW4gYSBtYW5uZXIgdGhhdCBpcyBjb25zaXN0ZW50 IHdpdGggWApkZWNpZGluZyB0aGF0IGl0J3Mgc2luZ2xlLWhlYWRlZCBhZ2FpbiwgYW5kIHRoZW4g YmFjayB0byBkb3VibGUgaGVhZGVkLiAKVGhpcyBvbmx5IGhhcHBlbnMgd2hlbiBJIGJ1aWxkIGEg a2VybmVsIHdpdGggYm90aCBjb21taXQgMjM3ZWQ4NmMgQU5ECmNvbW1pdCA4ZDQwOWNiM2UuICBJ ZiBJIHJldmVydCAyMzdlZDg2YyBhbmQga2VlcCBvbmx5IDhkNDA5Y2IzZSBib3RoIHRoZQpvcmln aW5hbCBidWcgYW5kIHRoZSBuZXcgYnVnIGdvIGF3YXkuICBEbyB5b3UgdGhpbmsgY29tbWl0IDIz N2VkODZjIGlzCnN0aWxsIGV2ZW4gbmVlZGVkIG5vdyB0aGF0IDhkNDA5Y2IzZSBoYXMgbGFuZGVk PyAgTWF5YmUgdGhlIG5ldyBidWcgaXMKZHVlIHRvIHRoZSBpbnRlcmFjdGlvbiBiZXR3ZWVuIDIz N2VkODZjIGFuZCA4ZDQwOWNiM2UuCgpUaGFua3MsCgpKb2UKClswXSBodHRwOi8vcGFkLmx2LzE1 NDM2ODMKCgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK