From: Maxime Ripard <mripard@kernel.org>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
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Subject: Re: [PATCH v3 00/37] drm/connector: Convert all drivers to atomic_create_state and remove reset
Date: Thu, 5 Nov 2026 10:15:08 +0100 [thread overview]
Message-ID: <auxJBtexUg6oHcs9@houat> (raw)
In-Reply-To: <20261030-drm-no-more-connector-reset-v3-0-30e71d92c327@kernel.org>
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On Fri, Oct 30, 2026 at 04:13:30PM +0100, Maxime Ripard wrote:
> This is a follow-up to the plane and CRTC reset removal series, and
> part of a larger effort to remove the reset hook from all KMS objects.
>
> The connector reset hook is overloaded: it is called both at probe
> time to create the initial software state and during suspend/resume to
> reset hardware and software state. These two roles have different
> requirements, and the reset hook is not fallible, making error
> handling difficult for the initial state allocation path.
>
> While reset has the semantics to reset both the software and hardware
> state, the vast majority of implementations and all the helpers only
> reset the software state, making them equivalent to
> atomic_create_state in practice. The atomic_create_state hook makes
> this explicit: it only allocates and initializes a pristine state
> without any side effect, and returns the state pointer or an ERR_PTR
> on failure.
>
> This series converts all connector drivers tree-wide from the reset hook
> to atomic_create_state, then removes the reset hook from struct
> drm_connector_funcs entirely. The conversions were done using a
> combination of Coccinelle semantic patches, mechanical one-line
> replacements and manual adjustments.
>
> Signed-off-by: Maxime Ripard <mripard@kernel.org>
Applied to drm-misc-next
Maxime
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prev parent reply other threads:[~2026-11-05 9:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-30 15:13 [PATCH v3 00/37] drm/connector: Convert all drivers to atomic_create_state and remove reset Maxime Ripard
2026-10-30 15:13 ` [PATCH v3 18/37] drm/sun4i: Switch to drm_atomic_helper_connector_create_state Maxime Ripard
2026-10-30 15:13 ` [PATCH v3 28/37] drm/sun4i: hdmi: Convert to atomic_create_state Maxime Ripard
2026-10-30 15:13 ` [PATCH v3 29/37] drm/sun4i: tv: " Maxime Ripard
2026-11-02 8:41 ` [PATCH v3 00/37] drm/connector: Convert all drivers to atomic_create_state and remove reset Thomas Zimmermann
2026-11-05 9:15 ` Maxime Ripard [this message]
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