platform/kernel/linux-rpi.git
10 months agoASoC: pcm512x: Adds bindings for TAS575x devices
Joerg Schambacher [Fri, 29 Sep 2023 15:05:55 +0000 (17:05 +0200)]
ASoC: pcm512x: Adds bindings for TAS575x devices

commit 736b884a7b68c4eeb66dbf75b97c8ec9b9eeff7f upstream.

The TAS5754/6 power amplifiers use the same pcm512x driver with
only minor restictions described in the bindings document.

Signed-off-by: Joerg Schambacher <joerg.hifiberry@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230929150555.405388-1-joerg.hifiberry@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
10 months agoREADME: show rpi-6.6.y build status
Phil Elwell [Thu, 30 Nov 2023 17:16:40 +0000 (17:16 +0000)]
README: show rpi-6.6.y build status

Replace rpi-6.5.y with rpi-6.6.y in the build status list.

10 months agoASoC: dwc: Fix full-duplex mode
Phil Elwell [Tue, 28 Nov 2023 12:14:03 +0000 (12:14 +0000)]
ASoC: dwc: Fix full-duplex mode

Configuration of the DMA register was carelessly zeroing bits that may
used by a stream in the other direction. Preserve them instead.

See: https://github.com/raspberrypi/linux/issues/5741

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoarch: arm: configs: add HID_NINTENDO to rpi defconfigs
Ryan McClelland [Tue, 28 Nov 2023 00:55:08 +0000 (16:55 -0800)]
arch: arm: configs: add HID_NINTENDO to rpi defconfigs

Signed-off-by: Ryan McClelland <rymcclel@gmail.com>
10 months agoASoC: dwc: Permit sample rates up to 384kHz
Phil Elwell [Mon, 27 Nov 2023 12:16:04 +0000 (12:16 +0000)]
ASoC: dwc: Permit sample rates up to 384kHz

The BCM2835 I2S block advertises clock rates up to 384kHz, and there's
no reason why RP1's DWC I2S block shouldn't do the same.

See: https://github.com/raspberrypi/linux/issues/5748

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodtoverlays: Add option for cam0 to camera-mux-Nport overlays
Dave Stevenson [Mon, 27 Nov 2023 14:50:58 +0000 (14:50 +0000)]
dtoverlays: Add option for cam0 to camera-mux-Nport overlays

Seeing as the mux can be connected to either CAM/DISP1 or
CAM/DISP0 on a Pi5, add a cam0 override to allow configuration
of which is used. Default (as with all camera overlays) is CAM/DISP1.

The overlay does NOT update the camera regulator used by all the
sensors as doing so would be a nightmare. The Arducam mulitplexer
boards these overlays are initially supporting seem to tie the
regulator GPIO for all the sensors high anyway.
If it was viewed as necessary, then creating an additional
regulator that listed cam[01]_reg as the parent should work.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrivers: media: cfe: Find the source pads on the sensor entity
Dave Stevenson [Fri, 24 Nov 2023 14:29:57 +0000 (14:29 +0000)]
drivers: media: cfe: Find the source pads on the sensor entity

The driver was assuming that pad 0 on the sensor entity was the
appropriate source pad, but this isn't necessarily the case.
With video-mux, it has the sink pads first, and then the source
pad as the last one.

Iterate through the sensor pads to find the relevant source pads.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm: panel: jdi-lt070me05000: Add prepare_upstream_first flag
Dave Stevenson [Wed, 9 Aug 2023 20:04:40 +0000 (21:04 +0100)]
drm: panel: jdi-lt070me05000: Add prepare_upstream_first flag

The panel driver wants to send DCS commands from the prepare
hook, therefore the DSI host wants to be pre_enabled first.
Set the flag to achieve this.

https://forums.raspberrypi.com/viewtopic.php?t=354708

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agooverlays: hat_map: Add pisound mapping
Phil Elwell [Fri, 24 Nov 2023 13:57:09 +0000 (13:57 +0000)]
overlays: hat_map: Add pisound mapping

See: https://github.com/raspberrypi/linux/issues/5741

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agooverlays: i2c-sensor: Add adt7410 support
Kenny [Thu, 23 Nov 2023 00:22:37 +0000 (16:22 -0800)]
overlays: i2c-sensor: Add adt7410 support

See https://github.com/raspberrypi/linux/pull/5738

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoconfigs: Add the adt7410 module
Kenny [Thu, 23 Nov 2023 00:22:37 +0000 (16:22 -0800)]
configs: Add the adt7410 module

Signed-off-by: Kenny <aSmig+github@romhat.net>
10 months agodrm: vc4: Block swiotlb bounce buffers being imported as dmabuf
Dave Stevenson [Wed, 22 Nov 2023 19:17:44 +0000 (19:17 +0000)]
drm: vc4: Block swiotlb bounce buffers being imported as dmabuf

The dmabuf import already checks that the backing buffer is contiguous
and rejects it if it isn't. vc4 also requires that the buffer is
in the bottom 1GB of RAM, and this is all correctly defined via
dma-ranges.

However the kernel silently uses swiotlb to bounce dma buffers
around if they are in the wrong region. This relies on dma sync
functions to be called in order to copy the data to/from the
bounce buffer.

DRM is based on all memory allocations being coherent with the
GPU so that any updates to a framebuffer will be acted on without
the need for any additional update. This is fairly fundamentally
incompatible with needing to call dma_sync_ to handle the bounce
buffer copies, and therefore we have to detect and reject mappings
that use bounce buffers.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agoinput: goodix: Include I2C details in names for the devices
Dave Stevenson [Wed, 8 Nov 2023 16:20:27 +0000 (16:20 +0000)]
input: goodix: Include I2C details in names for the devices

libinput uses the input device name alone. If you have two
identical input devices, then there is no way to differentiate
between them, and in the case of touchscreens that means no
way to associate them with the appropriate display device.

Add the I2C bus and address to the start of the input device
name so that the name is always unique within the system.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agoinput: edt-ft5x06: Include I2C details in names for the devices
Dave Stevenson [Wed, 8 Nov 2023 15:50:39 +0000 (15:50 +0000)]
input: edt-ft5x06: Include I2C details in names for the devices

libinput uses the input device name alone. If you have two
identical input devices, then there is no way to differentiate
between them, and in the case of touchscreens that means no
way to associate them with the appropriate display device.

Add the I2C bus and address to the start of the input device
name so that the name is always unique within the system.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm: vc4: Free the dlist alloc immediately if it never hit the hw
Dave Stevenson [Wed, 22 Nov 2023 18:36:54 +0000 (18:36 +0000)]
drm: vc4: Free the dlist alloc immediately if it never hit the hw

atomic_check creates a state, and allocates the dlist memory for
it such that atomic_flush can not fail.

On destroy that dlist allocation was being put in the stale list,
even though it had never been programmed into the hardware,
therefore doing lots of atomic_checks could consume all the dlist
memory and fail.

If the dlist has never been programmed into the hardware, then
free it immediately.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/bridge: display-connector: Select DRM_KMS_HELPER
Dave Stevenson [Fri, 17 Nov 2023 14:50:11 +0000 (14:50 +0000)]
drm/bridge: display-connector: Select DRM_KMS_HELPER

Commit 7cd70656d128 ("drm/bridge: display-connector: implement
bus fmts callbacks") added use of drm_atomic_helper_bridge_*
functions, but didn't select the dependency of DRM_KMS_HELPER.
If nothing else selected that dependency it resulted in a
build failure.

Select the missing dependency.

Fixes: 7cd70656d128 ("drm/bridge: display-connector: implement bus fmts callbacks")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4: Drop planes that are completely off-screen
Dave Stevenson [Fri, 17 Nov 2023 14:43:44 +0000 (14:43 +0000)]
drm/vc4: Drop planes that are completely off-screen

It is permitted for a plane to be configured such that none
of it is on-screen via either negative dest rectangle X,Y
offset, or just an offset that is greater than the crtc
dimensions.

These planes were resized via drm_atomic_helper_check_plane_state
such that the source rectangle had a zero width or height, but
they still created a dlist entry even though they contributed
no pixels. In the case of vc6_plane_mode_set, that it could result
in negative values being written into registers, which caused
incorrect behaviour.

Drop planes that result in a source width or height of 0 pixels
to avoid the incorrect rendering.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agomedia/i2c: ov7251: Switch from V4L2_CID_GAIN to V4L2_CID_ANALOGUE_GAIN
Dave Stevenson [Tue, 14 Nov 2023 18:36:19 +0000 (18:36 +0000)]
media/i2c: ov7251: Switch from V4L2_CID_GAIN to V4L2_CID_ANALOGUE_GAIN

The mainline driver has implemented analogue gain using the control
V4L2_CID_GAIN instead of V4L2_CID_ANALOGUE_GAIN.

libcamera requires V4L2_CID_ANALOGUE_GAIN, and therefore fails.

Update the driver to use V4L2_CID_ANALOGUE_GAIN.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4: vec: Add the margin properties to the connector
Dave Stevenson [Fri, 24 Nov 2023 16:22:10 +0000 (16:22 +0000)]
drm/vc4: vec: Add the margin properties to the connector

All the handling for the properties was present, but they
were never attached to the connector to allow userspace
to change them.

Add them to the connector.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agooverlays: README: Fix cut-and-paste errors
Phil Elwell [Tue, 21 Nov 2023 15:08:38 +0000 (15:08 +0000)]
overlays: README: Fix cut-and-paste errors

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoconfigs: bcm2712_defconfig: Change LOCALVERSION
Phil Elwell [Tue, 21 Nov 2023 11:54:28 +0000 (11:54 +0000)]
configs: bcm2712_defconfig: Change LOCALVERSION

Debian seem to have rules about the content of the LOCALVERSION config
setting. Specifically, the underscore is not accepted.

Change it to a dash/hyphen.

See: https://github.com/raspberrypi/linux/issues/5719

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoRevert "hwrng: bcm2835 - sleep more intelligently"
Dom Cobley [Tue, 21 Nov 2023 12:55:03 +0000 (12:55 +0000)]
Revert "hwrng: bcm2835 - sleep more intelligently"

This reverts commit 6a825ed68f75bd768e31110ba825b75c5c09cf2d.

10 months agoASoC: dwc: Remove check in set_bclk_ratio handling
Phil Elwell [Mon, 20 Nov 2023 15:17:34 +0000 (15:17 +0000)]
ASoC: dwc: Remove check in set_bclk_ratio handling

A check added to dw_i2s_set_bclk_ratio that the data format is
consistent with the ratio seems reasonable but breaks when the
ratio is changed before the format. Remove the check - it is
unnecessary.

See: https://github.com/raspberrypi/linux/issues/5724
Fixes: 9c6694c24f26 ("ASOC: dwc: Fix 16-bit audio handling")
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodrivers: media: pisp_be: Add mono and 48-bit RGB pixel format support
Naushir Patuck [Thu, 16 Nov 2023 14:29:47 +0000 (14:29 +0000)]
drivers: media: pisp_be: Add mono and 48-bit RGB pixel format support

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodrivers: media: cfe: Add 16-bit and compressed mono format support
Naushir Patuck [Thu, 16 Nov 2023 14:28:55 +0000 (14:28 +0000)]
drivers: media: cfe: Add 16-bit and compressed mono format support

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agoinclude: uapi: v4l2: Add additional pixel formats for use with PiSP
Naushir Patuck [Thu, 16 Nov 2023 14:25:39 +0000 (14:25 +0000)]
include: uapi: v4l2: Add additional pixel formats for use with PiSP

Add the following formats:

- V4L2_PIX_FMT_RGB48/V4L2_PIX_FMT_BGR48
  48-bit RGB where each colour sample is 16-bits.

- V4L2_PIX_FMT_PISP_COMP1_MONO/V4L2_PIX_FMT_PISP_COMP2_MONO
  16-bit to 8-bit pisp compressed monochrome pixel format.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agow1: Disable kernel log spam
Phil Elwell [Mon, 20 Nov 2023 14:46:14 +0000 (14:46 +0000)]
w1: Disable kernel log spam

See: https://forums.raspberrypi.com/viewtopic.php?p=2159344

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agooverlays: ov5647: cam0 mode should use cam0_reg
Phil Elwell [Mon, 20 Nov 2023 10:16:10 +0000 (10:16 +0000)]
overlays: ov5647: cam0 mode should use cam0_reg

When the cam0 parameter is used, the vcm should be updated to refer to
the cam0 regulator.

See: https://github.com/raspberrypi/linux/issues/5722

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agooverlays: ov5647: Regularise vcm node label name
Phil Elwell [Mon, 20 Nov 2023 10:15:15 +0000 (10:15 +0000)]
overlays: ov5647: Regularise vcm node label name

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoconfigs: Add the drivetemp module
Phil Elwell [Fri, 17 Nov 2023 19:23:15 +0000 (19:23 +0000)]
configs: Add the drivetemp module

See: https://github.com/raspberrypi/linux/issues/5670

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agooverlays: imx296: Fix cam port override for regulators
Naushir Patuck [Wed, 15 Nov 2023 08:25:11 +0000 (08:25 +0000)]
overlays: imx296: Fix cam port override for regulators

The override was missing/incorrect for the regulator labels.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodrivers: media: cfe: Don't confuse MHz and Mbps
Naushir Patuck [Wed, 8 Nov 2023 10:05:05 +0000 (10:05 +0000)]
drivers: media: cfe: Don't confuse MHz and Mbps

The driver was interchaning these units when talking about link rate.
Fix this to avoid confusion. Apart from the logging message change,
there is no function change in this commit.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agoRevert "media: i2c: imx296: Add 2ms delay after releasing standby"
Nick Hollinghurst [Tue, 14 Nov 2023 16:03:54 +0000 (16:03 +0000)]
Revert "media: i2c: imx296: Add 2ms delay after releasing standby"

This reverts commit ecbc04aa0c2e7c8879764c9d2c769ecc74fd9093
which duplicated 5fb3b300557d6a6902e7321f42fdabb8c09eef54

Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
10 months agodrivers: media: imx708: Adjust broken line correction parameter
Nick Hollinghurst [Wed, 8 Nov 2023 10:57:45 +0000 (10:57 +0000)]
drivers: media: imx708: Adjust broken line correction parameter

In full-resolution mode, the LPF_INTENSITY_EN and LPF_INTENSITY
registers control Quad Bayer Re-mosaic broken line correction.
Expose this as a module parameter "qbc_adjust": zero disables
the correction and values in the range 2 to 5 set its strength.

There is a trade-off between coloured and monochrome patterns.
The previous fixed value 4 could produce ladder/spots artefacts
in coloured textures. The new default value 2 may suit a wider
range of scenes.

Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
10 months agoASoC: bcm: audioinjector_octo: Add soundcard "owner"
Phil Elwell [Wed, 8 Nov 2023 19:17:33 +0000 (19:17 +0000)]
ASoC: bcm: audioinjector_octo: Add soundcard "owner"

See: https://github.com/raspberrypi/linux/issues/5697

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoarm: dts: change RP1 SDHCI controller compatible string
Jonathan Bell [Wed, 8 Nov 2023 16:14:25 +0000 (16:14 +0000)]
arm: dts: change RP1 SDHCI controller compatible string

Also add a sdio-pi5 overlay which enables mmc0 on GPIOs 22-27, as was
possible with earlier models of Pi.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodrivers: mmc: sdhci-of-dwcmshc: add RP1 dt ID and quirks
Jonathan Bell [Wed, 8 Nov 2023 16:12:59 +0000 (16:12 +0000)]
drivers: mmc: sdhci-of-dwcmshc: add RP1 dt ID and quirks

Differentiate the RP1 variant of the Designware MSHC controller(s).

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodt-bindings: mmc: sdhci-of-dwcmhsc: Add Raspberry Pi RP1 support
Jonathan Bell [Wed, 8 Nov 2023 16:10:13 +0000 (16:10 +0000)]
dt-bindings: mmc: sdhci-of-dwcmhsc: Add Raspberry Pi RP1 support

The DWC MSHC controller on RP1 needs differentiating from the generic
version.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodrivers: mmc: sdhci: add SPURIOUS_INT_RESP quirk
Jonathan Bell [Wed, 8 Nov 2023 11:52:16 +0000 (11:52 +0000)]
drivers: mmc: sdhci: add SPURIOUS_INT_RESP quirk

Certain controllers (dwc-mshc) generate timeout conditions separately to
command-completion conditions, where the end result is interrupts are
separated in time depending on the current SDCLK frequency.

This causes spurious interrupts if SDCLK is slow compared to the CPU's
ability to process and return from interrupt. This occurs during card
probe with an empty slot where all commands that would generate a
response time out.

Add a quirk to squelch command response interrupts when a command
timeout interrupt is received.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodefconfigs: Drop FB_UDL from all Pi defconfigs
Dave Stevenson [Wed, 8 Nov 2023 12:04:20 +0000 (12:04 +0000)]
defconfigs: Drop FB_UDL from all Pi defconfigs

CONFIG_FB_UBL is the fbdev driver for DisplayLink USB displays.
CONFIG_UDL is the DRM driver for DisplayLink USB displays.

Both attach themselves to the same USB device alias, so both
get loaded for any attached display. You now have 2 drivers for
the same hardware, and a race as to which one will load.

DRM emulates the framebuffer interface, so disable the fbdev
driver.

https://github.com/raspberrypi/bookworm-feedback/issues/133

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agospi: dw-dma: Get the last DMA scoop out of the FIFO
Phil Elwell [Tue, 7 Nov 2023 14:49:47 +0000 (14:49 +0000)]
spi: dw-dma: Get the last DMA scoop out of the FIFO

With a DMA FIFO threshold greater than 1 (encoded as 0), it is possible
for data in the FIFO to be inaccessible, causing the transfer to fail
after a timeout. If the transfer includes a transmission, reduce the
RX threshold when the TX completes, otherwise use 1 for the whole
transfer (inefficient, but not catastrophic at SPI data rates).

See: https://github.com/raspberrypi/linux/issues/5696

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodrm/vc4: crtc: Support odd horizontal timings on BCM2712
Dom Cobley [Tue, 24 Oct 2023 15:20:42 +0000 (16:20 +0100)]
drm/vc4: crtc: Support odd horizontal timings on BCM2712

BCM2711 runs pixelvalve at two pixels per clock cycle which results
in an unfortunate limitation that odd horizontal timings are not
possible. This is apparent on the standard DMT mode of 1366x768@60
which cannot be driven with correct timing.

BCM2712 defaults to the same behaviour, but has a mode to support
odd timings. While internally it still runs at two pixels per clock,
setting the PV_VCONTROL_ODD_TIMING bit makes it appear externally
to behave as it is one pixel per clock.

Switching to this mode fixes 1366x768@60 mode, and other custom
resultions with odd horizontal timings.

Signed-off-by: Dom Cobley <popcornmix@gmail.com>
10 months agodrm/vc4: Log the size of the dlist allocation that was attempted
Dave Stevenson [Tue, 31 Oct 2023 11:15:38 +0000 (11:15 +0000)]
drm/vc4: Log the size of the dlist allocation that was attempted

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4: Add hvs_dlist_allocs debugfs function.
Dave Stevenson [Fri, 27 Oct 2023 15:46:04 +0000 (16:46 +0100)]
drm/vc4: Add hvs_dlist_allocs debugfs function.

Users are reporting running out of DLIST memory. Add a
debugfs file to dump out all the allocations.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4: Free all stale dlists if channel is disabled
Dave Stevenson [Thu, 26 Oct 2023 17:23:31 +0000 (18:23 +0100)]
drm/vc4: Free all stale dlists if channel is disabled

The code handling freeing stale dlists had 2 issues:
- it disabled the interrupt as soon as the first EOF interrupt
  occurred, even if it didn't clear all stale allocations, thus
  leading to stale entries
- It didn't free stale entries from disabled channels, so eg
  "kmstest -c 0" could leave a stale alloc on channel 1 floating
  around.

Keep the interrupt enabled whilst there are any outstanding
allocs, and discard those on disabled channels. This second
channel does require us to call vc4_hvs_stop_channel from
vc4_crtc_atomic_disable so that the channel actually gets stopped.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4: Drop WARN for HVS FIFOs not being empty
Dave Stevenson [Thu, 26 Oct 2023 17:05:09 +0000 (18:05 +0100)]
drm/vc4: Drop WARN for HVS FIFOs not being empty

The reset condition for the EMPTY flag in DISPSTATx is 0,
so seeing as we've just reset the pipeline there is no
guarantee that the flag will denote empty if it hasn't been
enabled.

Drop the WARN.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4: Correct logic on stopping an HVS channel
Dave Stevenson [Thu, 26 Oct 2023 16:46:13 +0000 (17:46 +0100)]
drm/vc4: Correct logic on stopping an HVS channel

When factoring out __vc4_hvs_stop_channel, the logic got inverted from
if (condition)
  // stop channel
to
if (condition)
  goto out
//stop channel
out:
and also changed the exact register writes used to stop the channel.

Correct the logic so that the channel is actually stopped, and revert
to the original register writes.

Fixes: 6d01a106b4c8 ("drm/vc4: crtc: Move HVS init and close to a function")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrivers: media: imx477: Correctly set IMX477_PIXEL_RATE as a r/o control
Naushir Patuck [Mon, 6 Nov 2023 09:42:37 +0000 (09:42 +0000)]
drivers: media: imx477: Correctly set IMX477_PIXEL_RATE as a r/o control

This control is meant to be read-only, mark it as such.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodrivers: media: imx477: Add V4L2_CID_LINK_FREQ control
Naushir Patuck [Mon, 6 Nov 2023 09:40:50 +0000 (09:40 +0000)]
drivers: media: imx477: Add V4L2_CID_LINK_FREQ control

Add V4L2_CID_LINK_FREQ as a read-only control with a value of 450 Mhz.
This will be used by the CFE driver to corretly setup the DPHY timing
parameters in the CSI-2 block.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agooverlays: uart<n>-pi5: Add the pinctrl-0 property
Phil Elwell [Thu, 2 Nov 2023 17:05:46 +0000 (17:05 +0000)]
overlays: uart<n>-pi5: Add the pinctrl-0 property

Without the pinctrl-0 property in the overlays, the UARTs may not be
mapped correctly.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodts: rp1: Add spi6, fix spi1 #address-cells
Phil Elwell [Thu, 2 Nov 2023 13:12:55 +0000 (13:12 +0000)]
dts: rp1: Add spi6, fix spi1 #address-cells

spi6 won't be useful on Pi 5 because it can't be enabled on the 40-pin
header, but include it for completeness.

Also fix the #address-cells value for spi1, otherwise the kernel will
reject attempts to apply the, say, spi1-2cs overlay at runtime.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodts: bcm2712-rpi-5-b: Create some dummy nodes
Phil Elwell [Thu, 2 Nov 2023 10:39:11 +0000 (10:39 +0000)]
dts: bcm2712-rpi-5-b: Create some dummy nodes

The kernel now treats multiple fragments targeting the same node as an
error. For this reason, it is important that labels created just for
compatibility with other systems (e.g. i2c0if and i2c0mux) are
attached to unique nodes, not just tacked onto existing nodes.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodrivers: media: cfe: Set the CSI-2 link frequency correctly
Naushir Patuck [Wed, 1 Nov 2023 13:25:54 +0000 (13:25 +0000)]
drivers: media: cfe: Set the CSI-2 link frequency correctly

Use the sensor provided link frequency to set the DPHY timing parameters
on stream_on. This replaces the hard-coded 999 MHz value currently being
used. As a fallback, revert to the original 999 Mhz link frequency.

As a drive-by, fix a 80-character line formatting error.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodts: bcm2710-rpi-zero-2-w: Remove WLAN firmwares
Phil Elwell [Mon, 12 Jun 2023 14:23:55 +0000 (15:23 +0100)]
dts: bcm2710-rpi-zero-2-w: Remove WLAN firmwares

With careful use of qualified firmware names there is no need for the
ability to override the device names based on Device Tree properties.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoRevert "brcmfmac: Read alternative firmware names from DT"
Phil Elwell [Mon, 12 Jun 2023 14:22:20 +0000 (15:22 +0100)]
Revert "brcmfmac: Read alternative firmware names from DT"

This reverts commit 5dba6ec6f4f2ac9ed8556116481b107e50e15251.

With careful use of qualified firmware names there is no need for the
ability to override the device names based on Device Tree properties.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodrivers: media: imx477: Set horizontal binning when disabling the scaler
David Plowman [Fri, 27 Oct 2023 11:14:22 +0000 (12:14 +0100)]
drivers: media: imx477: Set horizontal binning when disabling the scaler

The horizontal scaler has been disabled but actually the sensor is not
binning horizontally, resulting in images that are stretched 2x
horizontally (missing the right half of the field of view completely).

Therefore we must additionally set the horizontal binning mode. There
is only marginal change in output quality and noise levels.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Fixes: f075893e9b0e ("drivers: media: imx477: Disable the scaler")
10 months agoarm: dt: add dtparams for PCIe reset timing override
Jonathan Bell [Wed, 20 Sep 2023 12:04:54 +0000 (13:04 +0100)]
arm: dt: add dtparams for PCIe reset timing override

The Pi 5 variant gets two parameters so that the CM4-compatible
name will also work on Pi 5.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodrivers: pci: brcmstb: optionally extend Tperst_clk time during link-up
Jonathan Bell [Wed, 20 Sep 2023 12:01:11 +0000 (13:01 +0100)]
drivers: pci: brcmstb: optionally extend Tperst_clk time during link-up

The RC has a feature that allows for manual control over the deassertion
of the PERST# output pin, which allows the time between refclk active
and reset deassert at the EP to be increased.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodts: bcm2712-rpi-5-b: Set enable-mps-rcb for RP1
Phil Elwell [Wed, 1 Nov 2023 10:27:28 +0000 (10:27 +0000)]
dts: bcm2712-rpi-5-b: Set enable-mps-rcb for RP1

It is safe to set the MPS_RCB bit for RP1, but not necessarily for other
devices, so add the new enabling property to pcie2 on Pi 5.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoPCI: brcmstb: Change RCB_{MPS,64B}_MODE bits
Phil Elwell [Wed, 1 Nov 2023 10:13:29 +0000 (10:13 +0000)]
PCI: brcmstb: Change RCB_{MPS,64B}_MODE bits

Upstream commit [1] unconditionally sets the RCB_MPS and RCB_64B bits
that govern where packets are split. We think this is potentially
harmful, particularly on CM4 and Pi 5 where potentially any PCIe devices
could be attached.

Make RCB_MPS conditional on a DT property and never set RCB_64B.

[1] commit 602fb860945f ("PCI: brcmstb: Set RCB_{MPS,64B}_MODE bits")

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodt-bindings: PCI: brcmstb: add optional property - "brcm,tperst-clk-ms"
Jonathan Bell [Wed, 20 Sep 2023 09:04:15 +0000 (10:04 +0100)]
dt-bindings: PCI: brcmstb: add optional property - "brcm,tperst-clk-ms"

This property can be used to delay deassertion of external fundamental
reset, which may be useful for endpoints that require an extended time for
internal setup to complete.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
10 months agodrivers: media: pisp_be: Add back V4L2_PIX_FMT_RPI_BE format
Naushir Patuck [Thu, 26 Oct 2023 07:55:24 +0000 (08:55 +0100)]
drivers: media: pisp_be: Add back V4L2_PIX_FMT_RPI_BE format

Add the opaque V4L2_PIX_FMT_RPI_BE format back to the format list as it
is needed for the verification test suite. Also set the default format
to YUV420 non-multiplanar.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodt: Add drm_fbN_vc4 overrides for Pi0-4
Dave Stevenson [Mon, 23 Oct 2023 13:10:15 +0000 (14:10 +0100)]
dt: Add drm_fbN_vc4 overrides for Pi0-4

Follows up '61b138adaead ("dt: Add overrides for drm framebuffer
allocations on Pi5")' with an equivalent for Pi0-4.

These will have no effect on most normal systems, but drm_fb0_vc4
will stop SPI displays jumping in and claiming /dev/fb0.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrivers: media: imx477: Disable the scaler
Naushir Patuck [Mon, 23 Oct 2023 09:03:03 +0000 (10:03 +0100)]
drivers: media: imx477: Disable the scaler

The horizontal scaler was enabled for the 2028x1520 and 2028x1080 modes,
with a scale factor of 1. It caused a single column of bad pixels on the
right edge of the image. Since scaling is not needed for these modes,
disable it entirely.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodt: Switch bcm2712 firmware-kms node to using the 2712 compatible
Dave Stevenson [Fri, 20 Oct 2023 16:12:09 +0000 (17:12 +0100)]
dt: Switch bcm2712 firmware-kms node to using the 2712 compatible

With the new compatible to handle the interrupts correctly, switch
the base dt to use it.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/vc4_fkms: Fix up interrupt handler for both 2835/2711 and 2712
Dave Stevenson [Fri, 20 Oct 2023 16:09:54 +0000 (17:09 +0100)]
drm/vc4_fkms: Fix up interrupt handler for both 2835/2711 and 2712

2712 has switched from using the SMI peripheral to another interrupt
source for the vsync interrupt, so handle both sources cleanly.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agoRevert "vc4/fkms: Remove use of SMI peripheral"
Dave Stevenson [Fri, 20 Oct 2023 14:21:34 +0000 (15:21 +0100)]
Revert "vc4/fkms: Remove use of SMI peripheral"

This reverts commit 3fb20da9f3bff93f20b1a1fe2c950c6c8f4d1e1e.

10 months agodts: bcm2712: Add the krnbt parameter
Phil Elwell [Fri, 20 Oct 2023 16:15:25 +0000 (17:15 +0100)]
dts: bcm2712: Add the krnbt parameter

Add a Pi 5 implementation of the krnbt parameter, for symmetry and
for tinkering purposes.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoTypo in overlays README
Andrew Scheller [Thu, 19 Oct 2023 13:13:36 +0000 (14:13 +0100)]
Typo in overlays README

touchscreen-size-y for rpi-ft5406 defaults to 480, not 600

10 months agodt: Alter alias names from _ to - for drm_fbN_* overrides
Dave Stevenson [Thu, 19 Oct 2023 09:29:20 +0000 (10:29 +0100)]
dt: Alter alias names from _ to - for drm_fbN_* overrides

Fixes: 61b138adaead ("dt: Add overrides for drm framebuffer allocations on Pi5")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/fb_helper: Change query for FB designation from drm_fb to drm-fb
Dave Stevenson [Thu, 19 Oct 2023 09:32:04 +0000 (10:32 +0100)]
drm/fb_helper: Change query for FB designation from drm_fb to drm-fb

Fixes: 1216ea56c2e3 ("drm/fb-helper: Look up preferred fbdev node number from DT")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodt: Alter alias names from _ to - for drm_dsiN
Dave Stevenson [Thu, 19 Oct 2023 09:28:43 +0000 (10:28 +0100)]
dt: Alter alias names from _ to - for drm_dsiN

Fixes: 7ec42740a45b ("dt: Add DSI1 and DSI2 aliases to 2712")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/connector: Change DRM card alias from underscore to hyphen
Dave Stevenson [Thu, 19 Oct 2023 09:34:58 +0000 (10:34 +0100)]
drm/connector: Change DRM card alias from underscore to hyphen

Apparently aliases are only allowed lower case and hyphens,
so swap the use of underscore to hyphen.

Fixes: 3aa1f2477545 ("drm: Look for an alias for the displays to use as the DRM device name")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agooverlays: Add Pi 5 version of dwc2
Phil Elwell [Thu, 19 Oct 2023 08:17:25 +0000 (09:17 +0100)]
overlays: Add Pi 5 version of dwc2

Most bus masters on Pi 5 have access to at least the lower 4GB, but
the old DWC OTG controller is still restricted to the first 1GB.
Create a Pi 5-specific version of the overlay including a fragment
that ensures the swiotlb bounce buffers are allocated in that
area.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodt: Add overrides for drm framebuffer allocations on Pi5
Dave Stevenson [Wed, 11 Oct 2023 10:03:51 +0000 (11:03 +0100)]
dt: Add overrides for drm framebuffer allocations on Pi5

Adds dtparam overrides to the base Pi5 DT such that vc4,
DSI0, DSI1, or DPI can be requested to be /dev/fb[012].
No override is specified by default, so the order will be
based on probe order (aka semi-random). Any device that
doesn't have an override specified will be placed above
all specified overrides. Having an fb1 or fb2 override but
no fb0 one will result in no console via fbcon.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrm/fb-helper: Look up preferred fbdev node number from DT
Dave Stevenson [Mon, 9 Oct 2023 15:34:36 +0000 (16:34 +0100)]
drm/fb-helper: Look up preferred fbdev node number from DT

For situations where there are multiple DRM cards in a system,
add a query of DT for "drm_fb" designations for cards to set
their preferred /dev/fbN designation.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agofbdev: Allow client to request a particular /dev/fbN node
Dave Stevenson [Mon, 9 Oct 2023 15:32:45 +0000 (16:32 +0100)]
fbdev: Allow client to request a particular /dev/fbN node

Add a flag custom_fb_num to denote that the client has
requested a specific fbdev node number via node.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodts: bcm2712: Use the new model name
Phil Elwell [Tue, 17 Oct 2023 16:28:11 +0000 (17:28 +0100)]
dts: bcm2712: Use the new model name

"Model B" is no more - "Raspberry Pi 5" is the official name.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodrivers: media: rp1_cfe: Fix link validate test for pixel format
Naushir Patuck [Tue, 17 Oct 2023 08:35:44 +0000 (09:35 +0100)]
drivers: media: rp1_cfe: Fix link validate test for pixel format

Now that we have removed unique PISP media bus codes, the cfe format
table has multiple entries with the same media bus code for 16-bit
formats. The test in cfe_video_link_validate() did not account for this.
Fix it by testing the media bus code and the V4L2 pixelformat 4cc
together.

As a drive-by, ensure we have a valid CSI2 datatype id when programming
the hardware block.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodrm/vc4: Correct address offset for planes with src_[xy] offsets
Dave Stevenson [Mon, 16 Oct 2023 11:13:38 +0000 (12:13 +0100)]
drm/vc4: Correct address offset for planes with src_[xy] offsets

11cf37e741b4 switched to using drm_fb_dma_get_gem_addr instead of
drm_fb_dma_get_gem_obj and adding fb->offset[].

However the tiled formats need to compute the offset in a more
involved manner than drm_fb_dma_get_gem_addr applies, and we
were ending up with the offset for src_[xy] being applied twice.

Switch back to using drm_fb_dma_get_gem_obj and fully computing
the offsets ourselves.

Fixes: 11cf37e741b4 ("drm/vc4: Move the buffer offset out of the vc4_plane_state")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agovc_mem: Add the DMA memcpy support from bcm2708_fb
Phil Elwell [Sat, 14 Oct 2023 13:57:49 +0000 (14:57 +0100)]
vc_mem: Add the DMA memcpy support from bcm2708_fb

bcm2708_fb is disabled by the vc4-kms-v3d overlay, which means that the
DMA memcpy support it provides is not available to allow vclog to read
the VC logs from the top 16MB on Pi 2 and Pi 3. Add the code to the
vc_mem driver, which will still be enabled.

It ought to be possible to do a proper DMA_MEM_TO_MEM copy via the
generic DMA customer API, but that can be a later step.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agodts: bcm2712: Set default I2C baudrates to 100kHz
Phil Elwell [Mon, 16 Oct 2023 08:06:25 +0000 (09:06 +0100)]
dts: bcm2712: Set default I2C baudrates to 100kHz

The RP1 I2C interfaces were being left with their default clock rates,
apparently 400kHz.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agooverlays: mcp23017: allow specification of the i2c bus
Janis Streib [Sun, 15 Oct 2023 19:08:40 +0000 (21:08 +0200)]
overlays: mcp23017: allow specification of the i2c bus

Analogous to i2c-rtc-overlay.dts

See: https://github.com/raspberrypi/linux/pull/5650

10 months agoRevert "bcm2708_fb: Hack out dma support"
Dom Cobley [Thu, 12 Oct 2023 14:52:38 +0000 (15:52 +0100)]
Revert "bcm2708_fb: Hack out dma support"

This reverts commit d60956f30586ced37e2152f2ba338f547e6c64f7.

10 months agoRevert "bcm2708_fb: Fix more build warnings"
Dom Cobley [Thu, 12 Oct 2023 14:52:24 +0000 (15:52 +0100)]
Revert "bcm2708_fb: Fix more build warnings"

This reverts commit 7b11991e91e65ebeb315986fae05d363663d24c4.

10 months agoinput: touchscreen: edt-ft5x06: Suppress bogus data on startup
Nick Hollinghurst [Wed, 11 Oct 2023 14:14:59 +0000 (15:14 +0100)]
input: touchscreen: edt-ft5x06: Suppress bogus data on startup

When polled without the use of IRQ, FT5x06 registers may return
undefined initial data, causing unwanted touches or event spamming.
A simple way to filter this out is to suppress touches until the
TD_STATUS register changes for the first time.

Increase the delay before first polling to 300ms, to avoid
transient I2C read flakiness that seems to occur after reset.

Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
10 months agoconfigs: Enable more sound devices
Phil Elwell [Fri, 6 Oct 2023 13:30:50 +0000 (14:30 +0100)]
configs: Enable more sound devices

See: https://github.com/raspberrypi/linux/issues/4179

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agovc04_services: bcm2835-codec: Correct alignment requirements for YUYV
Dave Stevenson [Wed, 11 Oct 2023 14:05:38 +0000 (15:05 +0100)]
vc04_services: bcm2835-codec: Correct alignment requirements for YUYV

The firmware wants the YUYV format stride alignment to be to a multiple
of 32pixels / 64 bytes. The kernel driver was configuring it to a multiple
of 16 pixels / 32 bytes, which then failed when it tried starting to
stream.

Correct the alignment requirements.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agodrivers: media: rp1_cfe: Remove PISP specific MBUS formats
Naushir Patuck [Tue, 10 Oct 2023 11:41:15 +0000 (12:41 +0100)]
drivers: media: rp1_cfe: Remove PISP specific MBUS formats

Remove the MEDIA_BUS_FMT_PISP* format codcs entirely. For the image
pad formats, use the 16-bit Bayer format mbus codes instead. For the
config and stats pad formats, use MEDIA_BUS_FMT_FIXED.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
10 months agodts/bcm2712: Add iommu to rpivid
John Cox [Mon, 2 Oct 2023 14:15:13 +0000 (15:15 +0100)]
dts/bcm2712: Add iommu to rpivid

Add iommu to rpivid so it can cope with scatter/gather

Signed-off-by: John Cox <jc@kynesim.co.uk>
10 months agomedia/rpivid: Allow use of iommu in rpivid
John Cox [Mon, 2 Oct 2023 14:12:52 +0000 (15:12 +0100)]
media/rpivid: Allow use of iommu in rpivid

In order to use iommu on hevc set dma mask_and_coherent in probe.
I am assured dma_set_mask_and_coherent is benign on Pi4 (which has
no iommu) and it seems to be so in practice.
Also adds a bit of debug to make internal buffer allocation failure
easier to spot in future

Signed-off-by: John Cox <jc@kynesim.co.uk>
10 months agomedia: i2c: ov9282: Read chip ID via 2 reads
Dave Stevenson [Wed, 11 Oct 2023 10:12:41 +0000 (11:12 +0100)]
media: i2c: ov9282: Read chip ID via 2 reads

Vision Components have made an OV9281 module which blocks reading
back the majority of registers to comply with NDAs, and in doing
so doesn't allow auto-increment register reading as used when
reading the chip ID.

Use two reads and manually combine the results.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
10 months agoRevert "pinctrl-bcm2835: Set base to 0 give expected gpio numbering"
Phil Elwell [Fri, 6 Oct 2023 16:35:43 +0000 (17:35 +0100)]
Revert "pinctrl-bcm2835: Set base to 0 give expected gpio numbering"

This reverts commit 2afa8798ada2b03fd6ae3ef5c5dfcb39a5877ad8.

10 months agogpio: brcmstb: Use dynamic GPIO base numbers
Phil Elwell [Fri, 6 Oct 2023 15:30:35 +0000 (16:30 +0100)]
gpio: brcmstb: Use dynamic GPIO base numbers

Forcing a gpiochip to have a fixed base number now leads to a warning
message. Remove the need to do so by calculating hwirq numbers based
on bank numbers.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Fixes: 3b0213d56eb7 ("gpio: Add GPIO support for Broadcom STB SoCs")
10 months agoconfig: Regenerate defconfigs
Phil Elwell [Fri, 6 Oct 2023 07:59:42 +0000 (08:59 +0100)]
config: Regenerate defconfigs

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoconfig: 2712: Update defconfig
Dom Cobley [Tue, 19 Sep 2023 14:56:20 +0000 (15:56 +0100)]
config: 2712: Update defconfig

10 months agodts: 2712: Update for device tree
Phil Elwell [Thu, 5 Oct 2023 09:06:18 +0000 (10:06 +0100)]
dts: 2712: Update for device tree

dtoverlays: Fix up edt5406 entries to match with vc4-kms-dsi-7inch

vc4-kms-dsi-7inch expects the touch fragment to be named ts_i2c_frag,
but edt5406 didn't do this.

dt: Add DSI1 and DSI2 aliases to 2712

In order to keep the DRM names consistent as DSI-1 and DSI-2, add
aliases to the Pi5 DT.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agoREADME: Show rpi-6.5.y build status
Phil Elwell [Fri, 29 Sep 2023 11:21:29 +0000 (12:21 +0100)]
README: Show rpi-6.5.y build status

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months ago.github/workflows: Add a bcm2712 build configuration
Phil Elwell [Thu, 28 Sep 2023 14:45:05 +0000 (15:45 +0100)]
.github/workflows: Add a bcm2712 build configuration

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
10 months agovc4/drm: Remove the clear of SCALER_DISPBKGND_FILL
Dom Cobley [Wed, 4 Oct 2023 15:02:39 +0000 (16:02 +0100)]
vc4/drm: Remove the clear of SCALER_DISPBKGND_FILL

Since "drm/vc4: hvs: Support BCM2712 HVS" booting Pi4
with dual 4kp30 displays connected fails with:
vc4-drm gpu: [drm] *ERROR* [CRTC:107:pixelvalve-4] flip_done timed out

It has been tracked down to the referenced commit adding a
path to clear the SCALER_DISPBKGND_FILL when not required.

Dual 4kp30 works with a core clock of 297MHz when background fill
is enabled, but requires a higher value with it disabled.
320MHz still fails, while 330MHz seems okay.

Lets always enable background fill for Pi0-4.

Fixes: e84da235223d ("drm/vc4: hvs: Support BCM2712 HVS")
Signed-off-by: Dom Cobley <popcornmix@gmail.com>