From: Thomas Zimmermann <tzimmermann@suse.de>
To: Sam Ravnborg <sam@ravnborg.org>, Dan.Sneddon@microchip.com
Cc: airlied@linux.ie, liviu.dudau@arm.com, stefan@agner.ch,
amd-gfx@lists.freedesktop.org, anitha.chrisanthus@intel.com,
patrik.r.jakobsson@gmail.com, linux-arm-msm@vger.kernel.org,
freedreno@lists.freedesktop.org, daniel@ffwll.ch,
edmund.j.dea@intel.com, s.hauer@pengutronix.de,
alison.wang@nxp.com, maarten.lankhorst@linux.intel.com,
mripard@kernel.org, dri-devel@lists.freedesktop.org,
sean@poorly.run, linux-arm-kernel@lists.infradead.org,
tomba@kernel.org, bbrezillon@kernel.org, jyri.sarha@iki.fi,
christian.koenig@amd.com, robdclark@gmail.com,
kernel@pengutronix.de, alexander.deucher@amd.com,
shawnguo@kernel.org, brian.starkey@arm.com
Subject: Re: [PATCH 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces
Date: Wed, 28 Jul 2021 20:17:41 +0200 [thread overview]
Message-ID: <2f04b986-6b41-62f9-1587-23818b841655@suse.de> (raw)
In-Reply-To: <YQGdxtV0BGZ8VOpm@ravnborg.org>
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Hi
Am 28.07.21 um 20:11 schrieb Sam Ravnborg:
> Hi Dan,
>
> thanks for the quick feedback!
>
> On Wed, Jul 28, 2021 at 05:50:34PM +0000, Dan.Sneddon@microchip.com wrote:
>> On 7/28/21 8:44 AM, Sam Ravnborg wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> Hi Dan,
>>>
>>> On Wed, Jul 28, 2021 at 03:11:08PM +0000, Dan.Sneddon@microchip.com wrote:
>>>> On 7/28/21 7:00 AM, Sam Ravnborg wrote:
>>>>> [You don't often get email from sam@ravnborg.org. Learn why this is important at http://aka.ms/LearnAboutSenderIdentification.]
>>>>>
>>>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>>>
>>>>> Hi Dan,
>>>>>
>>>>> I hope you can fine to test this patch from Thomas.
>>>>> If this works then we can forget about my attempt to do the same.
>>>>
>>>> I'll test this as soon as I can and let you know.
>>>
>>> Thanks, crossing my fingers... (which explains the funny spelling from
>>> time to time)
>>>
>>> Sam
>>> So I ran the test on an A5D27 XULT board with a PDA5 display. Our
>> graphics demos that come with our linux4sam releases seem to run just
>> fine. modetest -v seems to run just fine. However, vbltest returns
>> "drmWaitVBlank (relative) failed ret: -1". I don't understand why
>> modetest -v is working and vbltest isn't, but that's what I'm seeing.
Thanks for testing.
>
> Strange indeed.
>
>
> Just to be sure...
> Can you confirm that vbltest is working OK *before* this patch?
Yes, can you please verify that it regressed. If so, this would mean
that the driver misses vblank interrupts with the patch applied.
Best regards
Thomas
>
> Sam
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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next prev parent reply other threads:[~2021-07-28 18:19 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-27 18:27 [PATCH 00/14] drm: Make DRM's IRQ helpers legacy Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 01/14] drm/amdgpu: Convert to Linux IRQ interfaces Thomas Zimmermann
2021-07-28 10:27 ` Christian König
2021-07-28 14:03 ` Alex Deucher
2021-08-02 8:43 ` Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 02/14] drm/arm/hdlcd: " Thomas Zimmermann
2021-07-28 13:31 ` Sam Ravnborg
2021-07-28 18:15 ` Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 03/14] drm/atmel-hlcdc: " Thomas Zimmermann
2021-07-28 14:00 ` Sam Ravnborg
2021-07-28 15:11 ` Dan.Sneddon
2021-07-28 15:44 ` Sam Ravnborg
2021-07-28 17:50 ` Dan.Sneddon
2021-07-28 18:11 ` Sam Ravnborg
2021-07-28 18:17 ` Thomas Zimmermann [this message]
2021-07-28 18:46 ` Dan.Sneddon
2021-07-28 19:08 ` Sam Ravnborg
2021-07-28 19:19 ` Dan.Sneddon
2021-07-28 20:11 ` Sam Ravnborg
2021-07-29 19:18 ` Thomas Zimmermann
2021-07-29 19:21 ` Thomas Zimmermann
2021-07-29 19:24 ` Dan.Sneddon
2021-07-29 19:32 ` Thomas Zimmermann
2021-07-29 19:48 ` Sam Ravnborg
2021-07-29 19:55 ` Dan.Sneddon
2021-07-30 8:31 ` Thomas Zimmermann
2021-07-30 18:10 ` Dan.Sneddon
2021-07-28 18:19 ` Dan.Sneddon
2021-07-27 18:27 ` [PATCH 04/14] drm/fsl-dcu: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 05/14] drm/gma500: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 06/14] drm/kmb: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 07/14] drm/msm: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 08/14] drm/mxsfb: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 09/14] drm/radeon: " Thomas Zimmermann
2021-08-02 15:27 ` Alex Deucher
2021-07-27 18:27 ` [PATCH 10/14] drm/tidss: " Thomas Zimmermann
2021-07-29 7:02 ` Tomi Valkeinen
2021-07-27 18:27 ` [PATCH 11/14] drm/tilcdc: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 12/14] drm/vc4: " Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 13/14] drm: Remove unused devm_drm_irq_install() Thomas Zimmermann
2021-07-27 18:27 ` [PATCH 14/14] drm: IRQ midlayer is now legacy Thomas Zimmermann
2021-07-28 14:10 ` Sam Ravnborg
2021-07-27 18:51 ` [PATCH 00/14] drm: Make DRM's IRQ helpers legacy Sam Ravnborg
2021-07-28 5:19 ` Thomas Zimmermann
2021-07-31 18:50 ` Sam Ravnborg
2021-08-01 19:56 ` Thomas Zimmermann
2021-08-01 20:24 ` Sam Ravnborg
2021-08-02 8:42 ` Thomas Zimmermann
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