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From: Jani Nikula <jani.nikula@intel.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
	Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
	intel-xe@lists.freedesktop.org, ville.syrjala@linux.intel.com
Subject: Re: [PATCH 6/6] drm/gma500: use drm_crtc_vblank_crtc()
Date: Fri, 30 Jan 2026 17:24:04 +0200	[thread overview]
Message-ID: <ee3b272aeab7dd88d2285e9234c75f8c14d8ddad@intel.com> (raw)
In-Reply-To: <5aec1964-072c-4335-8f37-35e6efb4910e@suse.de>

On Fri, 30 Jan 2026, Thomas Zimmermann <tzimmermann@suse.de> wrote:
> This patch breaks the driver with a NULL-ptr oops on startup. This is 
> because the IRQ initialization in gma_irq_install() now uses CRTCs that 
> are only allocated later in psb_modeset_init(). Stack trace is below.
>
> There's a nearby comment about preserving the order of the operations, 
> so I don't dare touching it. But reverting commit d930ffa5d6e8 
> ("drm/gma500: use drm_crtc_vblank_crtc()") resolves the issue.

Thanks for the report. Since we're at -rc7 and there's going to be -rc8,
I think the only reasonable approach at this time is to revert [1].

BR,
Jani.


[1] https://lore.kernel.org/r/20260130151319.31264-1-jani.nikula@intel.com



-- 
Jani Nikula, Intel

  reply	other threads:[~2026-01-30 15:24 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-07 11:04 [PATCH 0/6] drm: avoid poking at dev->vblank[] directly Jani Nikula
2025-11-07 11:04 ` [PATCH 1/6] drm/vblank: use drm_crtc_vblank_crtc() in workers Jani Nikula
2025-11-10  9:44   ` Thomas Zimmermann
2025-11-07 11:04 ` [PATCH 2/6] drm/atomic: use drm_crtc_vblank_waitqueue() Jani Nikula
2025-11-10  9:57   ` Thomas Zimmermann
2025-11-10 12:51     ` Jani Nikula
2025-11-10 13:18       ` Thomas Zimmermann
2025-11-10 13:42         ` Jani Nikula
2025-11-07 11:04 ` [PATCH 3/6] drm/msm: " Jani Nikula
2025-11-08 17:00   ` Dmitry Baryshkov
2025-11-07 11:04 ` [PATCH 4/6] drm/tidss: use drm_crtc_vblank_crtc() Jani Nikula
2025-11-08 15:54   ` Jyri Sarha
2025-11-07 11:04 ` [PATCH 5/6] drm/vmwgfx: " Jani Nikula
2025-11-07 16:21   ` Ian Forbes
2025-11-07 11:05 ` [PATCH 6/6] drm/gma500: " Jani Nikula
2025-11-07 13:11   ` Patrik Jakobsson
2026-01-30 12:44     ` Thomas Zimmermann
2026-01-30 15:24       ` Jani Nikula [this message]
2025-11-07 12:34 ` ✓ i915.CI.BAT: success for drm: avoid poking at dev->vblank[] directly Patchwork
2025-11-08  3:40 ` ✗ i915.CI.Full: failure " Patchwork

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