linux-kernel - Re: (subset) [PATCH 0/6] drm: enforce rules for drm_atomic_helper_check

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Message-ID: <173763573257.2683606.1940279042120421914.b4-ty@linaro.org>
Date: Thu, 23 Jan 2025 14:36:59 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Rob Clark <robdclark@...il.com>,
	Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	Chandan Uddaraju <chandanu@...eaurora.org>,
	Jeykumar Sankaran <jsanka@...eaurora.org>,
	Jordan Crouse <jordan@...micpenguin.net>,
	Sravanthi Kollukuduru <skolluku@...eaurora.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Archit Taneja <architt@...eaurora.org>,
	Rajesh Yadav <ryadav@...eaurora.org>,
	linux-arm-msm@...r.kernel.org,
	freedreno@...ts.freedesktop.org,
	Simona Vetter <simona.vetter@...ll.ch>
Subject: Re: (subset) [PATCH 0/6] drm: enforce rules for drm_atomic_helper_check_modeset()

On Sun, 22 Dec 2024 07:00:40 +0200, Dmitry Baryshkov wrote:
> As pointed out by Simona, the drm_atomic_helper_check_modeset() and
> drm_atomic_helper_check() require the former function is rerun if the
> driver's callbacks modify crtc_state->mode_changed. MSM is one of the
> drivers which failed to follow this requirement.
> 
> As suggested by Simona, implement generic code to verify that the
> drivers abide to those requirement and rework MSM driver to follow that
> restrictions.
> 
> [...]

Applied to drm-misc-next, thanks!

[1/6] drm/atomic-helper: document drm_atomic_helper_check() restrictions
      commit: 0936f0e54426177b0f0263ddf806ed5e13487db6

Best regards,
-- 
With best wishes
Dmitry