linux-kernel - Re: [RFC PATCH v1 10/14] drm/imagination: Add support for IMG BXM-4-64 GPU

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Message-ID: <37b65029-8310-48d1-bb6e-de5e47b2a403@kernel.org>
Date: Tue, 3 Dec 2024 16:49:45 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Michal Wilczynski <m.wilczynski@...sung.com>, mturquette@...libre.com,
 sboyd@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 drew@...7.com, guoren@...nel.org, wefu@...hat.com, jassisinghbrar@...il.com,
 paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu,
 frank.binns@...tec.com, matt.coster@...tec.com,
 maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de,
 airlied@...il.com, simona@...ll.ch, ulf.hansson@...aro.org,
 jszhang@...nel.org, m.szyprowski@...sung.com
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
 dri-devel@...ts.freedesktop.org, linux-pm@...r.kernel.org
Subject: Re: [RFC PATCH v1 10/14] drm/imagination: Add support for IMG
 BXM-4-64 GPU

On 03/12/2024 14:41, Michal Wilczynski wrote:
> The IMG BXM-4-64 GPU is integrated into the T-Head TH1520 SoC. This
> commit adds the compatible string "img,img-bxm-4-64" to the device tree
> match table in the drm/imagination driver, enabling support for this
> GPU.
> 
> By including this GPU in the compatible devices list, the driver can
> initialize and manage the BXM-4-64 GPU on the TH1520 SoC, providing
> graphics acceleration capabilities upstream.
> 
> This commit doesn't touch the img,powervr-rogue.yaml on purpose, as the
> new dt-bindings schema was proposed [1], but not merged yet.


That's not related to the commit. This commit *cannot ever* touch the
bindings.

> 
> Link: https://lore.kernel.org/all/20241118-sets-bxs-4-64-patch-v1-v2-1-3fd45d9fb0cf@imgtec.com/ [1]
> 
> Signed-off-by: Michal Wilczynski <m.wilczynski@...sung.com>
> ---
>  drivers/gpu/drm/imagination/pvr_drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/imagination/pvr_drv.c b/drivers/gpu/drm/imagination/pvr_drv.c
> index 85ee9abd1811..8633a3a315b7 100644
> --- a/drivers/gpu/drm/imagination/pvr_drv.c
> +++ b/drivers/gpu/drm/imagination/pvr_drv.c
> @@ -1475,6 +1475,7 @@ static void pvr_remove(struct platform_device *plat_dev)
>  
>  static const struct of_device_id dt_match[] = {
>  	{ .compatible = "img,img-axe", .data = NULL },
> +	{ .compatible = "img,img-bxm-4-64", .data = NULL },

Undocumented compatible. Combine relevant patches into one patchsets, so
we see entire picture.

Best regards,
Krzysztof