From: Thomas Zimmermann <tzimmermann@suse.de>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: emma@anholt.net, airlied@linux.ie, nouveau@lists.freedesktop.org,
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Subject: Re: [PATCH v2 00/22] Deprecate struct drm_device.irq_enabled
Date: Wed, 23 Jun 2021 08:46:22 +0200 [thread overview]
Message-ID: <03e349b3-f805-9aa8-14a7-96e674011c3a@suse.de> (raw)
In-Reply-To: <YNILtLMkI3uoH7mJ@pendragon.ideasonboard.com>
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Am 22.06.21 um 18:11 schrieb Laurent Pinchart:
> Hi Thomas,
>
> Thank you for the patches.
>
> On Tue, Jun 22, 2021 at 04:09:40PM +0200, Thomas Zimmermann wrote:
>> Remove references to struct drm_device.irq_enabled from modern
>> DRM drivers and core.
>>
>> KMS drivers enable IRQs for their devices internally. They don't
>> have to keep track of the IRQ state via irq_enabled. For vblanking,
>> it's cleaner to test for vblanking support directly than to test
>> for enabled IRQs.
>>
>> This used to be a single patch, [1] but it's now a full series.
>>
>> The first 3 patches replace instances of irq_enabled that are not
>> required.
>>
>> Patch 4 fixes vblank ioctls to actually test for vblank support
>> instead of IRQs.
>>
>> THe rest of the patchset removes irq_enabled from all non-legacy
>> drivers. The only exception is omapdrm, which has an internal
>> dpendency on the field's value. For this drivers, the state gets
>> duplicated internally.
>>
>> With the patchset applied, drivers can later switch over to plain
>> Linux IRQ interfaces and DRM's IRQ midlayer can be declared legacy.
>>
>> v2:
>> * keep the original test for legacy drivers in
>> drm_wait_vblank_ioctl() (Daniel)
>>
>> [1] https://lore.kernel.org/dri-devel/20210608090301.4752-1-tzimmermann@suse.de/
>>
>> Thomas Zimmermann (22):
>> drm/amdgpu: Track IRQ state in local device state
>> drm/hibmc: Call drm_irq_uninstall() unconditionally
>> drm/radeon: Track IRQ state in local device state
>> drm: Don't test for IRQ support in VBLANK ioctls
>> drm/komeda: Don't set struct drm_device.irq_enabled
>> drm/malidp: Don't set struct drm_device.irq_enabled
>> drm/exynos: Don't set struct drm_device.irq_enabled
>> drm/kirin: Don't set struct drm_device.irq_enabled
>> drm/imx: Don't set struct drm_device.irq_enabled
>> drm/mediatek: Don't set struct drm_device.irq_enabled
>> drm/nouveau: Don't set struct drm_device.irq_enabled
>> drm/omapdrm: Track IRQ state in local device state
>> drm/rockchip: Don't set struct drm_device.irq_enabled
>> drm/sti: Don't set struct drm_device.irq_enabled
>> drm/stm: Don't set struct drm_device.irq_enabled
>> drm/sun4i: Don't set struct drm_device.irq_enabled
>> drm/tegra: Don't set struct drm_device.irq_enabled
>> drm/tidss: Don't use struct drm_device.irq_enabled
>> drm/vc4: Don't set struct drm_device.irq_enabled
>> drm/vmwgfx: Don't set struct drm_device.irq_enabled
>> drm/xlnx: Don't set struct drm_device.irq_enabled
>> drm/zte: Don't set struct drm_device.irq_enabled
>
> The list seems to be missing armada, rcar-du and vkms. It would also be
> nice to address i915 if possible.
Indeed. I grepped for \>irq_enabled. But some few drivers use
.irq_enabled. I'll fix this in the patchset's next iteration. Thanks for
double checking.
Best regards
Thomas
--
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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prev parent reply other threads:[~2021-06-23 6:46 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 14:09 [PATCH v2 00/22] Deprecate struct drm_device.irq_enabled Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 01/22] drm/amdgpu: Track IRQ state in local device state Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 02/22] drm/hibmc: Call drm_irq_uninstall() unconditionally Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 03/22] drm/radeon: Track IRQ state in local device state Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 04/22] drm: Don't test for IRQ support in VBLANK ioctls Thomas Zimmermann
2021-06-22 15:25 ` Liviu Dudau
2021-06-23 6:43 ` Thomas Zimmermann
2021-06-23 12:15 ` Liviu Dudau
2021-06-22 14:09 ` [PATCH v2 05/22] drm/komeda: Don't set struct drm_device.irq_enabled Thomas Zimmermann
2021-06-22 15:25 ` Liviu Dudau
2021-06-22 14:09 ` [PATCH v2 06/22] drm/malidp: " Thomas Zimmermann
2021-06-22 15:26 ` Liviu Dudau
2021-06-22 14:09 ` [PATCH v2 07/22] drm/exynos: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 08/22] drm/kirin: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 09/22] drm/imx: " Thomas Zimmermann
2021-06-23 6:43 ` Laurentiu Palcu
2021-06-22 14:09 ` [PATCH v2 10/22] drm/mediatek: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 11/22] drm/nouveau: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 12/22] drm/omapdrm: Track IRQ state in local device state Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 13/22] drm/rockchip: Don't set struct drm_device.irq_enabled Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 14/22] drm/sti: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 15/22] drm/stm: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 16/22] drm/sun4i: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 17/22] drm/tegra: " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 18/22] drm/tidss: Don't use " Thomas Zimmermann
2021-06-22 14:09 ` [PATCH v2 19/22] drm/vc4: Don't set " Thomas Zimmermann
2021-06-22 14:10 ` [PATCH v2 20/22] drm/vmwgfx: " Thomas Zimmermann
2021-06-22 14:10 ` [PATCH v2 21/22] drm/xlnx: " Thomas Zimmermann
2021-06-22 14:10 ` [PATCH v2 22/22] drm/zte: " Thomas Zimmermann
2021-06-22 15:24 ` [PATCH v2 00/22] Deprecate " Daniel Vetter
2021-06-22 16:11 ` Laurent Pinchart
2021-06-22 16:17 ` Laurent Pinchart
2021-06-23 6:46 ` Thomas Zimmermann [this message]
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