Re: [PATCH 00/25] Fix some PM runtime issues at the media subsystem

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Em Wed,  5 May 2021 11:41:50 +0200
Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> escreveu:

> As part of an effort to cleanup pm_runtime*get* calls, I detected a number
> of issues at the media subsystem.
> 
> Most of the patches here were submitted previously at:
> 
> 	https://lore.kernel.org/linux-media/cover.1619621413.git.mchehab+huawei@xxxxxxxxxx/
> 
> This series contain just the bug fixes and other related issues that are
> present with the current code on media.

Series merged on my stage tree, at:
	https://git.linuxtv.org/media_stage.git/log/

I'll be merging it at media_tree (either for 5.13 or 5.14) after the
end of the merge window (likely next week).

Please let me know if you find any problems on it.

PS.: please notice that my stage tree can be rebased.

Regards,
Mauro

> 
> It address the points from the existing reviews. I also did my own
> set of reviews, in order to avoid regressions.
> 
> Changes from v4 of the previous changeset:
> 
> - reworked i2c/css RPM get logic;
> - dropped two patches that could cause regressions;
> - am437x: keep using pm_runtime_get_sync on suspend/resume;
> - atmel: fix the returned code and add a print on failures at start streaming;
> - simplify some checks for return code > 0;
> - mdk-vcodec: properly handle RPM errors at device on logic;
> - venus: rework venus_sys_error_handler() logic;
> - sti/delta: fix an issue at the error checking logic.
> 
> Mauro Carvalho Chehab (25):
>   staging: media: rkvdec: fix pm_runtime_get_sync() usage count
>   staging: media: imx7-mipi-csis: fix pm_runtime_get_sync() usage count
>   media: venus: Rework error fail recover logic
>   media: s5p_cec: decrement usage count if disabled
>   media: i2c: ccs-core: return the right error code at suspend
>   media: i2c: imx334: fix the pm runtime get logic
>   media: exynos-gsc: don't resume at remove time
>   media: atmel: properly get pm_runtime
>   media: hantro: do a PM resume earlier
>   media: marvel-ccic: fix some issues when getting pm_runtime
>   media: mdk-mdp: fix pm_runtime_get_sync() usage count
>   media: rcar_fdp1: simplify error check logic at fdp_open()
>   media: rcar_fdp1: fix pm_runtime_get_sync() usage count
>   media: renesas-ceu: Properly check for PM errors
>   media: s5p: fix pm_runtime_get_sync() usage count
>   media: am437x: fix pm_runtime_get_sync() usage count
>   media: sh_vou: fix pm_runtime_get_sync() usage count
>   media: mtk-vcodec: fix PM runtime get logic
>   media: s5p-jpeg: fix pm_runtime_get_sync() usage count
>   media: sti/delta: use pm_runtime_resume_and_get()
>   media: sunxi: fix pm_runtime_get_sync() usage count
>   media: sti/bdisp: fix pm_runtime_get_sync() usage count
>   media: exynos4-is: fix pm_runtime_get_sync() usage count
>   media: exynos-gsc: fix pm_runtime_get_sync() usage count
>   media: i2c: ccs-core: fix pm_runtime_get_sync() usage count
> 
>  drivers/media/cec/platform/s5p/s5p_cec.c      |  7 ++-
>  drivers/media/i2c/ccs/ccs-core.c              | 41 ++++++++-----
>  drivers/media/i2c/imx334.c                    |  7 ++-
>  drivers/media/platform/am437x/am437x-vpfe.c   | 15 ++++-
>  drivers/media/platform/atmel/atmel-isc-base.c | 30 +++++++---
>  drivers/media/platform/atmel/atmel-isi.c      | 19 ++++--
>  drivers/media/platform/exynos-gsc/gsc-core.c  | 11 ++--
>  drivers/media/platform/exynos-gsc/gsc-m2m.c   |  4 +-
>  .../media/platform/exynos4-is/fimc-capture.c  |  6 +-
>  drivers/media/platform/exynos4-is/fimc-is.c   |  4 +-
>  .../platform/exynos4-is/fimc-isp-video.c      |  3 +-
>  drivers/media/platform/exynos4-is/fimc-isp.c  |  7 +--
>  drivers/media/platform/exynos4-is/fimc-lite.c |  5 +-
>  drivers/media/platform/exynos4-is/fimc-m2m.c  |  5 +-
>  drivers/media/platform/exynos4-is/media-dev.c |  9 +--
>  drivers/media/platform/exynos4-is/mipi-csis.c | 10 ++--
>  .../media/platform/marvell-ccic/mcam-core.c   |  9 ++-
>  drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c  |  6 +-
>  .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  |  4 +-
>  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   |  8 ++-
>  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.h   |  2 +-
>  drivers/media/platform/qcom/venus/core.c      | 59 +++++++++++++++----
>  drivers/media/platform/rcar_fdp1.c            | 28 ++++++---
>  drivers/media/platform/renesas-ceu.c          |  4 +-
>  drivers/media/platform/s5p-jpeg/jpeg-core.c   |  5 +-
>  drivers/media/platform/sh_vou.c               |  6 +-
>  drivers/media/platform/sti/bdisp/bdisp-v4l2.c |  7 ++-
>  drivers/media/platform/sti/delta/delta-v4l2.c |  8 +--
>  .../sunxi/sun8i-rotate/sun8i_rotate.c         |  2 +-
>  drivers/staging/media/hantro/hantro_drv.c     |  7 ++-
>  drivers/staging/media/imx/imx7-mipi-csis.c    |  7 +--
>  drivers/staging/media/rkvdec/rkvdec.c         |  2 +-
>  32 files changed, 220 insertions(+), 127 deletions(-)
> 



Thanks,
Mauro



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