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Display driver fixups#7332

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pelwell merged 3 commits intoraspberrypi:rpi-6.18.yfrom
6by9:rpi-6.18.y-drm
Apr 27, 2026
Merged

Display driver fixups#7332
pelwell merged 3 commits intoraspberrypi:rpi-6.18.yfrom
6by9:rpi-6.18.y-drm

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@6by9 6by9 commented Apr 23, 2026

Minor fixups to for this display for the upstream version of the regulator driver.

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6by9 commented Apr 23, 2026

Just noticed that we'd lost the patch that allowed assigning a DRM device name to devices (eg to force CAM/DISP1 on Pi5 to be DSI-2) on 6.18, so added that to this PR.

Comment thread drivers/regulator/rpi-panel-v2-regulator.c Outdated
6by9 added 3 commits April 27, 2026 11:41
Not all implementations of the V2 regulator support reading back
the value of registers, which makes the GPIO control fail.
Enable the regmap caching to avoid this.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
The upstream version of the regulator driver exposes a PWM device
rather than backlight, and changes the compatible.
Alter the overlay accordingly.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Allow DT aliases of eg DSI2 to force make DRM allocate the
display with the requested name.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
@pelwell pelwell merged commit 216bde1 into raspberrypi:rpi-6.18.y Apr 27, 2026
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popcornmix added a commit to raspberrypi/firmware that referenced this pull request May 1, 2026
kernel: staging: vc04_services: vchiq-mmal: validate component index in event_to_host_cb()
See: raspberrypi/linux#7327

kernel: tdo_panel: bcm27xx-gpu: Add dsi panel driver
See: raspberrypi/linux#7318

kernel: Change crop struct to match height for 16 by 9 mode
See: raspberrypi/linux#7328

kernel: media: imx708: Support configuring continuous clock from DT
See: raspberrypi/linux#7329

kernel: Display driver fixups
See: raspberrypi/linux#7332

kernel: fixup! gpiolib: Override gpiochip numbers with DT aliases
See: raspberrypi/linux#7341
popcornmix added a commit to raspberrypi/rpi-firmware that referenced this pull request May 1, 2026
kernel: staging: vc04_services: vchiq-mmal: validate component index in event_to_host_cb()
See: raspberrypi/linux#7327

kernel: tdo_panel: bcm27xx-gpu: Add dsi panel driver
See: raspberrypi/linux#7318

kernel: Change crop struct to match height for 16 by 9 mode
See: raspberrypi/linux#7328

kernel: media: imx708: Support configuring continuous clock from DT
See: raspberrypi/linux#7329

kernel: Display driver fixups
See: raspberrypi/linux#7332

kernel: fixup! gpiolib: Override gpiochip numbers with DT aliases
See: raspberrypi/linux#7341
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2 participants