linux-kernel - Re: [PATCH v2 00/12] media: rkvdec: Add support for VDPU381 and VDPU383

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Message-ID: <11040209.aFP6jjVeTY@diego>
Date: Mon, 11 Aug 2025 11:56:00 +0200
From: Heiko Stübner <heiko@...ech.de>
To: linux-kernel@...r.kernel.org,
 Detlev Casanova <detlev.casanova@...labora.com>
Cc: Detlev Casanova <detlev.casanova@...labora.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, linux-media@...r.kernel.org,
 linux-rockchip@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 kernel@...labora.com
Subject:
 Re: [PATCH v2 00/12] media: rkvdec: Add support for VDPU381 and VDPU383

Hi Detlev,

Am Freitag, 8. August 2025, 22:03:22 Mitteleuropäische Sommerzeit schrieb Detlev Casanova:
> These variants are found respectively in the RK3588 and RK3576 SoCs.
> This patch only adds support for H264 and H265 in both variants.
> 
> As there is a considerable part of the code that can be shared with the
> already supported rkvdec decoder driver, the support for these variants
> is added here rather than writing a new driver.
> 
> This patch set uses the newly introduced hevc_ext_sps_[ls]t_rps v4l2
> controls for HEVC [1].
> Therefore, a patched version of userpace tools is needed for HEVC
> support (added for GStreamer[2] and in an early stage for FFmpeg[3]).
> 
> This patch set also depends on the preparation patch set sent earlier [4]
> as well as the iommu restore fix [5] (already merged in linux-media) and
> Nicolas Frattaroli's bitmap patch [6] to support setting registers that
> uses upper 16 bits as masks.
> 
> [1]: https://lore.kernel.org/all/20250807194327.69900-1-detlev.casanova@collabora.com/
> [2]: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9355
> [3]: https://gitlab.collabora.com/detlev/ffmpeg
> [4]: https://lore.kernel.org/all/20250623160722.55938-1-detlev.casanova@collabora.com/
> [5]: https://lore.kernel.org/all/20250508-rkvdec-iommu-reset-v1-1-c46b6efa6e9b@collabora.com/
> [6]: https://lore.kernel.org/all/20250623-byeword-update-v2-1-cf1fc08a2e1f@collabora.com/
> 
> Changes since v1:
>  - Add parsing of the short and long term ref frame sets from the new v4l2
>    controls
>  - Add RPS cache to avoid parsing the same data again
>  - Fix HEVC pixel formats selection
>  - Fix multiple indentation errors

when applying the series, git was a bit unhappy about some whitespaces:


> Detlev Casanova (12):
>   media: rkvdec: Switch to using structs instead of writel
>   media: rkvdec: Move cabac table to its own source file

Applying: media: rkvdec: Move cabac table to its own source file
.git/rebase-apply/patch:535: new blank line at EOF.
+
Warnung: 1 Zeile fügt Whitespace-Fehler hinzu.


>   media: rkvdec: Use structs to represent the HW RPS
>   media: rkvdec: Move h264 functions to common file

Applying: media: rkvdec: Move h264 functions to common file
.git/rebase-apply/patch:278: new blank line at EOF.
+
Warnung: 1 Zeile fügt Whitespace-Fehler hinzu.


>   media: rkvdec: Add per variant configuration
>   media: rkvdec: Add RCB and SRAM support

Applying: media: rkvdec: Add RCB and SRAM support
.git/rebase-apply/patch:200: new blank line at EOF.
+
Warnung: 1 Zeile fügt Whitespace-Fehler hinzu.


>   media: rkvdec: Support per-variant interrupt handler
>   media: rkvdec: Enable all clocks without naming them
>   media: rkvdec: Add H264 support for the VDPU381 variant
>   media: rkvdec: Add H264 support for the VDPU383 variant
>   media: rkvdec: Add HEVC support for the VDPU381 variant

Applying: media: rkvdec: Add HEVC support for the VDPU381 variant
.git/rebase-apply/patch:3483: new blank line at EOF.
+
.git/rebase-apply/patch:4035: new blank line at EOF.
+
Warnung: 2 Zeilen fügen Whitespace-Fehler hinzu.


Heiko