[PATCH v6 0/6] Raspberry PI 4 V3D enablement

[Melissa Wen]

On 06/09, Stefan Wahren wrote:
> Hi Melissa,
> 
> Am 08.06.22 um 14:51 schrieb Melissa Wen:
> > On 06/03, Peter Robinson wrote:
> > > This is a follow up from my v4 patchset. The power management pieces have
> > > been split out to a separate independent set of patches by Stefan [1]. This
> > > version 5 of the DRM patches are independent and given the V3D driver has
> > > been upstream for some time the two patches to enable it in defconfigs can
> > > be taken at anytime independent of the enablement for the Raspberry Pi 4.
> > Hi Peter,
> > 
> > I was able to check and run some tests on arm64, and it seems ok. But I
> > was not successful on bringing it up for arm using multi_v7_defconfig +
> > device_tree=bcm2711-rpi-4-b.dtb.
> 
> for Raspberry Pi 4 you also need to enable CONFIG_ARM_LPAE, which is not
> enabled in multi_v7_defconfig.

Hi Stefan,

Thanks for pointing it out.

I've checked again and it's fine. I think some bits are missing (maybe
from my side) to handle glx stuff on arm, but I can take a look later.

Thanks for this work!

Melissa

> 
> Best regards
> 
> > 
> > How can I check this path?
> > 
> > Btw, using the config from rpi downstream kernel works nicely for arm
> > (on my side)
> > 
> > Best regards,
> > 
> > Melissa
> > > I've tested this using mesa 22.0.x and Wayland/Gnome on Fedora 36, it's
> > > more or less stable with basic testing.
> > > 
> > > Changes since v5:
> > > - Update the DT compatible to match the others that were updated
> > > - Adjust the Kconfig help text
> > > - Add review tags
> > > 
> > > Changes since v4:
> > > - Fixes for device tree and bindings
> > > - Split out the power management changes into an independent set
> > > - Rebase to 5.18
> > > - Individual changes in patches
> > > 
> > > [1] https://www.spinics.net/lists/arm-kernel/msg980342.html
> > > 
> > > Nicolas Saenz Julienne (1):
> > >    arm64: config: Enable DRM_V3D
> > > 
> > > Peter Robinson (5):
> > >    dt-bindings: gpu: v3d: Add BCM2711's compatible
> > >    drm/v3d: Get rid of pm code
> > >    drm/v3d: Add support for bcm2711
> > >    ARM: dts: bcm2711: Enable V3D
> > >    ARM: configs: Enable DRM_V3D
> > > 
> > >   .../devicetree/bindings/gpu/brcm,bcm-v3d.yaml  |  1 +
> > >   arch/arm/boot/dts/bcm2711-rpi.dtsi             |  4 ++++
> > >   arch/arm/boot/dts/bcm2711.dtsi                 | 11 +++++++++++
> > >   arch/arm/configs/bcm2835_defconfig             |  1 +
> > >   arch/arm/configs/multi_v7_defconfig            |  1 +
> > >   arch/arm64/configs/defconfig                   |  1 +
> > >   drivers/gpu/drm/v3d/Kconfig                    |  5 +++--
> > >   drivers/gpu/drm/v3d/v3d_debugfs.c              | 18 +-----------------
> > >   drivers/gpu/drm/v3d/v3d_drv.c                  | 12 +-----------
> > >   drivers/gpu/drm/v3d/v3d_gem.c                  | 12 +-----------
> > >   10 files changed, 25 insertions(+), 41 deletions(-)
> > > 
> > > -- 
> > > 2.36.1
> > > 
> > > 
> > > _______________________________________________
> > > linux-arm-kernel mailing list
> > > linux-arm-kernel at lists.infradead.org
> > > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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