From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Date: Fri, 06 Nov 2015 12:45:54 +0000 Subject: Re: Mobility Radeon HD 4530/4570/545v: flicker in 1920x1080 Message-Id: <20151106124554.GA3630@amd> List-Id: References: <20151031212259.GA6253@amd> <20151103220919.GA4824@amd> <20151103230329.GA4167@amd> <5639B580.1050409@vodafone.de> <20151104221000.GA3608@amd> <20151105202301.GA3624@amd> <563C0F85.8070204@daenzer.net> In-Reply-To: <563C0F85.8070204@daenzer.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: "linux-fbdev@vger.kernel.org" , kernel list , Maling list - DRI developers , "Deucher, Alexander" , Christian =?iso-8859-1?Q?K=F6nig?= On Fri 2015-11-06 11:25:09, Michel D=E4nzer wrote: > On 06.11.2015 05:23, Pavel Machek wrote: > > Hi! > >=20 > >>>> The flickering would vanish completely if that's the reason for the = issue > >>>> you are seeing. > >>> > >>>> Try setting ref_div_min and ref_div_max to 2 in > >>>> radeon_compute_pll_avivo(). > >>> > >>> Ok, I did this, but no luck, still flickers. But the flicker only > >>> happens when something changes on screen, like dragging a big > >>> window. Is that consistent with wrong PLL timings? > >> > >> Does it go away with radeon.dpm=3D0? Sounds more like either memory > >> reclocking happening outside of vblank, or underflow to the display > >> controllers. > >=20 > > No, it does not: > >=20 > > pavel@half:~$ cat /proc/cmdline > > BOOT_IMAGE=3D(hd0,2)/l/linux/arch/x86/boot/bzImage root=3D/dev/sda4 > > resume=3D/dev/sda1 radeon.dpm=3D0 > >=20 > > ..and same issue. And yes, it looks like an underflow to me. How can I > > debug reclocking / underflows? >=20 > Does radeon.disp_priority=3D2 help? Tried this, and no change, still flickers. pavel@half:~$ cat /proc/cmdline BOOT_IMAGE=3D(hd0,2)/l/linux/arch/x86/boot/bzImage root=3D/dev/sda4 resume=3D/dev/sda1 radeon.dpm=3D0 radeon.disp_priority=3D2 pavel@half:~$ I searched for some more config options, and tried: pavel@half:~$ cat /proc/cmdline BOOT_IMAGE=3D(hd0,2)/l/linux/arch/x86/boot/bzImage root=3D/dev/sda4 resume=3D/dev/sda1 radeon.dpm=3D0 radeon.disp_priority=3D2 radeon.amdgpu_runtime_pm=3D0 radeon.bapm=3D0 radeon.sched_hw_submission=3D0 radeon.enable_semaphores=3D0 pavel@half:~$ ..still flickers. Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Mobility Radeon HD 4530/4570/545v: flicker in 1920x1080 Date: Fri, 6 Nov 2015 13:45:54 +0100 Message-ID: <20151106124554.GA3630@amd> References: <20151031212259.GA6253@amd> <20151103220919.GA4824@amd> <20151103230329.GA4167@amd> <5639B580.1050409@vodafone.de> <20151104221000.GA3608@amd> <20151105202301.GA3624@amd> <563C0F85.8070204@daenzer.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from atrey.karlin.mff.cuni.cz (atrey.karlin.mff.cuni.cz [195.113.26.193]) by gabe.freedesktop.org (Postfix) with ESMTP id 84E946EBB3 for ; Fri, 6 Nov 2015 04:45:57 -0800 (PST) Content-Disposition: inline In-Reply-To: <563C0F85.8070204@daenzer.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: "linux-fbdev@vger.kernel.org" , kernel list , Maling list - DRI developers , "Deucher, Alexander" , Christian =?iso-8859-1?Q?K=F6nig?= List-Id: dri-devel@lists.freedesktop.org T24gRnJpIDIwMTUtMTEtMDYgMTE6MjU6MDksIE1pY2hlbCBEw6RuemVyIHdyb3RlOgo+IE9uIDA2 LjExLjIwMTUgMDU6MjMsIFBhdmVsIE1hY2hlayB3cm90ZToKPiA+IEhpIQo+ID4gCj4gPj4+PiBU aGUgZmxpY2tlcmluZyB3b3VsZCB2YW5pc2ggY29tcGxldGVseSBpZiB0aGF0J3MgdGhlIHJlYXNv biBmb3IgdGhlIGlzc3VlCj4gPj4+PiB5b3UgYXJlIHNlZWluZy4KPiA+Pj4KPiA+Pj4+IFRyeSBz ZXR0aW5nIHJlZl9kaXZfbWluIGFuZCByZWZfZGl2X21heCB0byAyIGluCj4gPj4+PiAgcmFkZW9u X2NvbXB1dGVfcGxsX2F2aXZvKCkuCj4gPj4+Cj4gPj4+IE9rLCBJIGRpZCB0aGlzLCBidXQgbm8g bHVjaywgc3RpbGwgZmxpY2tlcnMuIEJ1dCB0aGUgZmxpY2tlciBvbmx5Cj4gPj4+IGhhcHBlbnMg d2hlbiBzb21ldGhpbmcgY2hhbmdlcyBvbiBzY3JlZW4sIGxpa2UgZHJhZ2dpbmcgYSBiaWcKPiA+ Pj4gd2luZG93LiBJcyB0aGF0IGNvbnNpc3RlbnQgd2l0aCB3cm9uZyBQTEwgdGltaW5ncz8KPiA+ Pgo+ID4+IERvZXMgaXQgZ28gYXdheSB3aXRoIHJhZGVvbi5kcG09MD8gIFNvdW5kcyBtb3JlIGxp a2UgZWl0aGVyIG1lbW9yeQo+ID4+IHJlY2xvY2tpbmcgaGFwcGVuaW5nIG91dHNpZGUgb2YgdmJs YW5rLCBvciB1bmRlcmZsb3cgdG8gdGhlIGRpc3BsYXkKPiA+PiBjb250cm9sbGVycy4KPiA+IAo+ ID4gTm8sIGl0IGRvZXMgbm90Ogo+ID4gCj4gPiBwYXZlbEBoYWxmOn4kIGNhdCAvcHJvYy9jbWRs aW5lCj4gPiBCT09UX0lNQUdFPShoZDAsMikvbC9saW51eC9hcmNoL3g4Ni9ib290L2J6SW1hZ2Ug cm9vdD0vZGV2L3NkYTQKPiA+IHJlc3VtZT0vZGV2L3NkYTEgcmFkZW9uLmRwbT0wCj4gPiAKPiA+ IC4uYW5kIHNhbWUgaXNzdWUuIEFuZCB5ZXMsIGl0IGxvb2tzIGxpa2UgYW4gdW5kZXJmbG93IHRv IG1lLiBIb3cgY2FuIEkKPiA+IGRlYnVnIHJlY2xvY2tpbmcgLyB1bmRlcmZsb3dzPwo+IAo+IERv ZXMgcmFkZW9uLmRpc3BfcHJpb3JpdHk9MiBoZWxwPwoKVHJpZWQgdGhpcywgYW5kIG5vIGNoYW5n ZSwgc3RpbGwgZmxpY2tlcnMuCgpwYXZlbEBoYWxmOn4kIGNhdCAvcHJvYy9jbWRsaW5lCkJPT1Rf SU1BR0U9KGhkMCwyKS9sL2xpbnV4L2FyY2gveDg2L2Jvb3QvYnpJbWFnZSByb290PS9kZXYvc2Rh NApyZXN1bWU9L2Rldi9zZGExIHJhZGVvbi5kcG09MCByYWRlb24uZGlzcF9wcmlvcml0eT0yCnBh dmVsQGhhbGY6fiQKCkkgc2VhcmNoZWQgZm9yIHNvbWUgbW9yZSBjb25maWcgb3B0aW9ucywgYW5k IHRyaWVkOgoKcGF2ZWxAaGFsZjp+JCBjYXQgL3Byb2MvY21kbGluZQpCT09UX0lNQUdFPShoZDAs MikvbC9saW51eC9hcmNoL3g4Ni9ib290L2J6SW1hZ2Ugcm9vdD0vZGV2L3NkYTQKcmVzdW1lPS9k ZXYvc2RhMSByYWRlb24uZHBtPTAgcmFkZW9uLmRpc3BfcHJpb3JpdHk9MgpyYWRlb24uYW1kZ3B1 X3J1bnRpbWVfcG09MCByYWRlb24uYmFwbT0wIHJhZGVvbi5zY2hlZF9od19zdWJtaXNzaW9uPTAK cmFkZW9uLmVuYWJsZV9zZW1hcGhvcmVzPTAKcGF2ZWxAaGFsZjp+JAoKLi5zdGlsbCBmbGlja2Vy cy4KCkJlc3QgcmVnYXJkcywKCQkJCQkJCQkJUGF2ZWwKLS0gCihlbmdsaXNoKSBodHRwOi8vd3d3 LmxpdmVqb3VybmFsLmNvbS9+cGF2ZWxtYWNoZWsKKGNlc2t5LCBwaWN0dXJlcykgaHR0cDovL2F0 cmV5Lmthcmxpbi5tZmYuY3VuaS5jei9+cGF2ZWwvcGljdHVyZS9ob3JzZXMvYmxvZy5odG1sCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBt YWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161423AbbKFMqB (ORCPT ); Fri, 6 Nov 2015 07:46:01 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:48542 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161261AbbKFMp5 (ORCPT ); Fri, 6 Nov 2015 07:45:57 -0500 Date: Fri, 6 Nov 2015 13:45:54 +0100 From: Pavel Machek To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: Alex Deucher , "linux-fbdev@vger.kernel.org" , kernel list , Maling list - DRI developers , "Deucher, Alexander" , Christian =?iso-8859-1?Q?K=F6nig?= Subject: Re: Mobility Radeon HD 4530/4570/545v: flicker in 1920x1080 Message-ID: <20151106124554.GA3630@amd> References: <20151031212259.GA6253@amd> <20151103220919.GA4824@amd> <20151103230329.GA4167@amd> <5639B580.1050409@vodafone.de> <20151104221000.GA3608@amd> <20151105202301.GA3624@amd> <563C0F85.8070204@daenzer.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <563C0F85.8070204@daenzer.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 2015-11-06 11:25:09, Michel Dänzer wrote: > On 06.11.2015 05:23, Pavel Machek wrote: > > Hi! > > > >>>> The flickering would vanish completely if that's the reason for the issue > >>>> you are seeing. > >>> > >>>> Try setting ref_div_min and ref_div_max to 2 in > >>>> radeon_compute_pll_avivo(). > >>> > >>> Ok, I did this, but no luck, still flickers. But the flicker only > >>> happens when something changes on screen, like dragging a big > >>> window. Is that consistent with wrong PLL timings? > >> > >> Does it go away with radeon.dpm=0? Sounds more like either memory > >> reclocking happening outside of vblank, or underflow to the display > >> controllers. > > > > No, it does not: > > > > pavel@half:~$ cat /proc/cmdline > > BOOT_IMAGE=(hd0,2)/l/linux/arch/x86/boot/bzImage root=/dev/sda4 > > resume=/dev/sda1 radeon.dpm=0 > > > > ..and same issue. And yes, it looks like an underflow to me. How can I > > debug reclocking / underflows? > > Does radeon.disp_priority=2 help? Tried this, and no change, still flickers. pavel@half:~$ cat /proc/cmdline BOOT_IMAGE=(hd0,2)/l/linux/arch/x86/boot/bzImage root=/dev/sda4 resume=/dev/sda1 radeon.dpm=0 radeon.disp_priority=2 pavel@half:~$ I searched for some more config options, and tried: pavel@half:~$ cat /proc/cmdline BOOT_IMAGE=(hd0,2)/l/linux/arch/x86/boot/bzImage root=/dev/sda4 resume=/dev/sda1 radeon.dpm=0 radeon.disp_priority=2 radeon.amdgpu_runtime_pm=0 radeon.bapm=0 radeon.sched_hw_submission=0 radeon.enable_semaphores=0 pavel@half:~$ ..still flickers. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html