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Wed, 17 Nov 2021 09:50:41 -0500 (EST) From: Maxime Ripard To: Scott Branden , Nicolas Saenz Julienne , Rob Herring , Frank Rowand , Ray Jui , Florian Fainelli , Daniel Vetter , David Airlie , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard Cc: linux-rpi-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Dave Stevenson , Phil Elwell , Tim Gover , Dom Cobley , devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com Subject: [PATCH 0/5] drm/vc4: Use the firmware to stop the display pipeline Date: Wed, 17 Nov 2021 15:50:35 +0100 Message-Id: <20211117145040.334827-1-maxime@cerno.tech> X-Mailer: git-send-email 2.33.1 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi,=0D =0D The VC4 driver has had limited support to disable the HDMI controllers and= =0D pixelvalves at boot if the firmware has enabled them.=0D =0D However, this proved to be limited, and a bit unreliable so a new firmware= =0D command has been introduced some time ago to make it free all its resources= and=0D disable any display output it might have enabled.=0D =0D This series takes advantage of that command to call it once the transition = from=0D simplefb to the KMS driver has been done.=0D =0D Let me know what you think,=0D Maxime=0D =0D Maxime Ripard (5):=0D dt-bindings: display: vc4: Add optional phandle to firmware=0D firmware: raspberrypi: Add RPI_FIRMWARE_NOTIFY_DISPLAY_DONE=0D drm/vc4: Remove conflicting framebuffers before callind bind_all=0D drm/vc4: Notify the firmware when DRM is in charge=0D ARM: dts: rpi: Add the firmware node to vc4=0D =0D .../bindings/display/brcm,bcm2835-vc4.yaml | 5 ++++=0D arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 +++=0D drivers/gpu/drm/vc4/vc4_drv.c | 27 ++++++++++++++++---=0D drivers/gpu/drm/vc4/vc4_drv.h | 2 ++=0D include/soc/bcm2835/raspberrypi-firmware.h | 1 +=0D 5 files changed, 35 insertions(+), 4 deletions(-)=0D =0D -- =0D 2.33.1=0D =0D