Re: [PATCH v13 3/4] riscv: dts: thead: th1520: Add IMG BXM-4-64 GPU node

[Matt Coster <Matt.Coster@imgtec.com>]

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On 28/08/2025 22:56, Drew Fustini wrote:
> On Wed, Aug 27, 2025 at 03:08:01PM -0700, Drew Fustini wrote:
>> On Fri, Aug 22, 2025 at 01:43:53PM -0700, Drew Fustini wrote:
>>> On Fri, Aug 22, 2025 at 12:20:17AM +0200, Michal Wilczynski wrote:
>>>> Add a device tree node for the IMG BXM-4-64 GPU present in the T-HEAD
>>>> TH1520 SoC used by the Lichee Pi 4A board. This node enables support for
>>>> the GPU using the drm/imagination driver.
>>>>
>>>> By adding this node, the kernel can recognize and initialize the GPU,
>>>> providing graphics acceleration capabilities on the Lichee Pi 4A and
>>>> other boards based on the TH1520 SoC.
>>>>
>>>> Add fixed clock gpu_mem_clk, as the MEM clock on the T-HEAD SoC can't be
>>>> controlled programatically.
>>>>
>>>> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
>>>> Reviewed-by: Drew Fustini <drew@pdp7.com>
>>>> Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>>>> Acked-by: Matt Coster <matt.coster@imgtec.com>
>>>> Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
>>>> ---
>>>>  arch/riscv/boot/dts/thead/th1520.dtsi | 21 +++++++++++++++++++++
>>>>  1 file changed, 21 insertions(+)
>>>
>>> I've applied this to thead-dt-for-next [1]:
>>>
>>> 0f78e44fb857 ("riscv: dts: thead: th1520: Add IMG BXM-4-64 GPU node")
>>>
>>> Thanks,
>>> Drew
>>>
>>> [1] https://git.kernel.org/pub/scm/linux/kernel/git/fustini/linux.git/log/?h=thead-dt-for-next
>>
>> Hi Matt,
>>
>> Do you know when the dt binding patch will be applied to
>> the drm-misc/for-linux-next tree?
>>
>> I applied the dts patch but it is creating a warning in next right now.
>> If the binding won't show up soon in drm-misc, then I'll remove this dts
>> patch from next as dtbs_check is now failing in next. I can add it back
>> once the binding makes it to next.
> 
> I've now removed this patch from thead-dt-for-next and will add it back
> once the bindings show up in next.

Hi Drew,

Apologies for the delay, I was on holiday last week.

I've just applied the non-dts patches to drm-misc-next [1], would you
mind re-adding the dts patch to thead-dt-for-next?

Cheers,
Matt

[1]: https://lore.kernel.org/r/175672521205.30950.2944854121832397083.b4-ty@imgtec.com

> 
> Thanks,
> Drew


-- 
Matt Coster
E: matt.coster@imgtec.com

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