From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: "Maíra Canal" <mcanal@igalia.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Dave Stevenson" <dave.stevenson@raspberrypi.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>
Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, Lucas Tanure <lucas.tanure@neat.no>
Subject: Re: [PATCH v4 6/9] drm/vc4: hdmi: Convert to common HDMI 2.0 scrambling infrastructure
Date: Tue, 10 Nov 2026 14:51:36 +0200 [thread overview]
Message-ID: <c4ebe7c4-84c3-4c43-a149-cb04b18dc42c@collabora.com> (raw)
In-Reply-To: <6044130c-8753-4928-990f-04f0ad43d9f1@igalia.com>
Hi Maíra,
On 11/10/26 2:11 PM, Maíra Canal wrote:
>
>
> On 09/11/26 21:13, Cristian Ciocaltea wrote:
>> Replace driver local scrambling logic with the newly introduced common
>> HDMI 2.0 scrambling support:
>>
>> - Advertise source-side scrambling capability by setting supported HDMI
>> version based on the variant's max_pixel_clock.
>>
>> - Provide minimal .scrambler_{enable,disable} connector callbacks that
>> only toggle the VC5 HDMI_SCRAMBLER_CTL register, while delegating
>> sink-side SCDC programming and periodic status monitoring to
>> drm_connector_hdmi_{enable,disable}_scrambling().
>>
>> - Drop vc4_hdmi_reset_link() and vc4_hdmi_handle_hotplug(), switching
>> the .detect_ctx() path to drm_atomic_helper_connector_hdmi_hotplug()
>> which internally calls drm_connector_hdmi_sync_scdc() to trigger a
>> CRTC reset on reconnection.
>>
>> - Drop the local scrambling_work delayed workqueue and scdc_enabled
>> flag, now tracked by the common drm_connector_hdmi layer, as well as
>> the now unused output_{bpc,color_format} driver data members.
>>
>> No functional change intended.
>>
>> Acked-by: Maxime Ripard <mripard@kernel.org>
>> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
>
> Reviewed-by: Maíra Canal <mcanal@igalia.com>
Thank you for your quick review!
> Feel free to push the series to drm-misc-next. Thank you!
Done.
Kind regards,
Cristian
next prev parent reply other threads:[~2026-11-10 12:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 0:13 [PATCH v4 0/9] " Cristian Ciocaltea
2026-11-10 0:13 ` [PATCH v4 1/9] drm/vc4: hdmi: Use common TMDS char rate constants Cristian Ciocaltea
2026-11-10 0:13 ` [PATCH v4 2/9] drm/vc4: hdmi: Switch to drm_hdmi_mode_needs_scrambling() Cristian Ciocaltea
2026-11-10 11:57 ` Maíra Canal
2026-11-10 0:13 ` [PATCH v4 3/9] drm/vc4: hdmi: Switch to .force_ctx() connector helper Cristian Ciocaltea
2026-11-10 0:13 ` [PATCH v4 4/9] drm/vc4: hdmi: Propagate -EDEADLK to the top level Cristian Ciocaltea
2026-11-10 12:08 ` Maíra Canal
2026-11-10 0:13 ` [PATCH v4 5/9] drm/vc4: hdmi: Convert to drmm_connector_hdmi_init() Cristian Ciocaltea
2026-11-10 0:13 ` [PATCH v4 6/9] drm/vc4: hdmi: Convert to common HDMI 2.0 scrambling infrastructure Cristian Ciocaltea
2026-11-10 12:11 ` Maíra Canal
2026-11-10 12:51 ` Cristian Ciocaltea [this message]
2026-11-10 0:13 ` [PATCH v4 7/9] drm/vc4: hdmi: Clamp CEC clock divider to its register field width Cristian Ciocaltea
2026-11-10 0:13 ` [PATCH v4 8/9] drm/vc4: hdmi: Bump BCM2835 max pixel clock to 165 MHz Cristian Ciocaltea
2026-11-10 0:13 ` [PATCH v4 9/9] drm/vc4: hdmi: Defer pixel clock validation to HDMI helpers Cristian Ciocaltea
2026-11-10 12:48 ` [PATCH v4 0/9] drm/vc4: hdmi: Convert to common HDMI 2.0 scrambling infrastructure Cristian Ciocaltea
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