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[92.176.231.205]) by smtp.gmail.com with ESMTPSA id k10-20020a056000004a00b002365730eae8sm16924437wrx.55.2022.12.06.06.14.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Dec 2022 06:14:23 -0800 (PST) Message-ID: <27f14969-d71b-63db-7770-5269bf7b9ef1@redhat.com> Date: Tue, 6 Dec 2022 15:14:22 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH v3 3/3] drm/tiny: ili9486: remove conflicting framebuffers Content-Language: en-US To: Thomas Zimmermann , neil.armstrong@linaro.org, Carlo Caione , Daniel Vetter , Jerome Brunet , David Airlie , Kamlesh Gurudasani , Mark Brown , Martin Blumenstingl , Kevin Hilman Cc: linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20221116-s905x_spi_ili9486-v3-0-59c6b58cbfe3@baylibre.com> <20221116-s905x_spi_ili9486-v3-3-59c6b58cbfe3@baylibre.com> <14e5c4e4-30dd-8efd-81e4-d680664ab04a@linaro.org> From: Javier Martinez Canillas In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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