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From: "Maíra Canal" <mcanal@igalia.com>
To: Lucas Tanure <lucas.tanure@neat.no>,
	Maxime Ripard <mripard@kernel.org>,
	Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: Dom Cobley <popcornmix@gmail.com>,
	Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] drm/vc4: Implement vc6_hdmi_phy_disable
Date: Sat, 24 Oct 2026 10:13:10 -0300	[thread overview]
Message-ID: <9981dfe9-9d86-4c6b-8524-c31e2a8b3343@igalia.com> (raw)
In-Reply-To: <20261020151948.83459-2-lucas.tanure@neat.no>

Hi Lucas,

On 20/10/26 12:19, Lucas Tanure wrote:
> From: Dom Cobley <popcornmix@gmail.com>
> 
> The body of this function was missing so we don't reset the phy
> when disabling it.

Please, improve this commit message. At the moment, it's not explaining
what's is fixing, nor how.

Best regards,
- Maíra
> 
> Fixes: 0b1dbe82e051 ("drm/vc4: hdmi: Add support for BCM2712 HDMI controllers")
> Signed-off-by: Dom Cobley <popcornmix@gmail.com>
> Signed-off-by: Lucas Tanure <lucas.tanure@neat.no>
> ---
>   drivers/gpu/drm/vc4/vc4_hdmi_phy.c | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi_phy.c b/drivers/gpu/drm/vc4/vc4_hdmi_phy.c
> index 56e6a35da357..5040f014bf7e 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi_phy.c
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi_phy.c
> @@ -1197,4 +1197,9 @@ void vc6_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
>   
>   void vc6_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi)
>   {
> +	unsigned long flags;
> +
> +	spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
> +	vc6_hdmi_reset_phy(vc4_hdmi);
> +	spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
>   }


  reply	other threads:[~2026-10-24 13:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-20 15:19 [PATCH v2 0/3] drm/vc4: hdmi: enable scrambling before the TMDS clock starts Lucas Tanure
2026-10-20 15:19 ` [PATCH v2 1/3] drm/vc4: Implement vc6_hdmi_phy_disable Lucas Tanure
2026-10-24 13:13   ` Maíra Canal [this message]
2026-10-20 15:19 ` [PATCH v2 2/3] drm/vc4: hdmi: always cancel the scrambling work synchronously Lucas Tanure
2026-10-24 13:23   ` Maíra Canal
2026-10-20 15:19 ` [PATCH v2 3/3] drm/vc4: hdmi: enable scrambling before the TMDS clock starts Lucas Tanure
2026-10-24 13:34   ` Maíra Canal

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