From: Javier Martinez Canillas <javierm@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
neil.armstrong@linaro.org, Carlo Caione <ccaione@baylibre.com>,
Daniel Vetter <daniel@ffwll.ch>,
Jerome Brunet <jbrunet@baylibre.com>,
David Airlie <airlied@gmail.com>,
Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>,
Mark Brown <broonie@kernel.org>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Kevin Hilman <khilman@baylibre.com>
Cc: linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/3] drm/tiny: ili9486: remove conflicting framebuffers
Date: Tue, 6 Dec 2022 15:14:22 +0100 [thread overview]
Message-ID: <27f14969-d71b-63db-7770-5269bf7b9ef1@redhat.com> (raw)
In-Reply-To: <c460bbda-6e9d-24e8-eb73-2e7207958deb@suse.de>
On 12/6/22 10:52, Thomas Zimmermann wrote:
> Hi
>
> Am 06.12.22 um 10:41 schrieb Neil Armstrong:
>> Hi Carlo,
>>
>> On 06/12/2022 09:34, Carlo Caione wrote:
>>> For platforms using simplefb / efifb, call
>>> drm_aperture_remove_framebuffers() to remove the conflicting
>>> framebuffer.
>>
>> Conflicting framebuffer on the SPI display ? How is that possible ?
>
> Calling drm_aperture_remove_framebuffers() is only required if the
> graphics card may have been pre-initialized by the system, such as a
> VGA-compatible card on a PC.
>
> Could the SPI display have been initialized by the firmware? If not, the
> call should be left out.
>
Agree.
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
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prev parent reply other threads:[~2022-12-06 14:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-06 8:34 [PATCH v3 0/3] Make ILI9486 driver working with 16-bits SPI controllers Carlo Caione
2022-12-06 8:34 ` [PATCH v3 1/3] drm/tiny: ili9486: Enable driver module autoloading Carlo Caione
2022-12-06 8:34 ` [PATCH v3 2/3] drm/tiny: ili9486: Do not assume 8-bit only SPI controllers Carlo Caione
2022-12-06 8:34 ` [PATCH v3 3/3] drm/tiny: ili9486: remove conflicting framebuffers Carlo Caione
2022-12-06 9:41 ` Neil Armstrong
2022-12-06 9:52 ` Thomas Zimmermann
2022-12-06 13:00 ` Carlo Caione
2022-12-06 14:14 ` Javier Martinez Canillas [this message]
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