[PATCH 0/6] drm/msm: Convert fbdev to DRM client

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Thu Mar 30 09:46:07 UTC 2023


On Thu, 30 Mar 2023 at 10:41, Thomas Zimmermann <tzimmermann at suse.de> wrote:
>
> Convert msm' fbdev code to struct drm_client. Replaces the current
> ad-hoc integration. The conversion includes a number of cleanups. As
> with most other drivers' fbdev emulation, fbdev in msm is now just
> another DRM client that runs after the DRM device has been registered.
>
> Once all drivers' fbdev emulation has been converted to struct drm_client,
> we can attempt to add additional in-kernel clients. A DRM-based dmesg
> log or a bootsplash are commonly mentioned. DRM can then switch easily
> among the existing clients if/when required.
>
> I did the conversion from similar experience with other drivers. But I
> don't have the hardware to test this. Any testing is welcome.

Thank you for your patches! It was on my to do list for quite a while,
but nobody had time to work on it.

>
> Thomas Zimmermann (6):
>   drm/msm: Clear aperture ownership outside of fbdev code
>   drm/msm: Remove fb from struct msm_fbdev
>   drm/msm: Remove struct msm_fbdev
>   drm/msm: Remove fbdev from struct msm_drm_private
>   drm/msm: Initialize fbdev DRM client
>   drm/msm: Implement fbdev emulation as in-kernel client
>
>  drivers/gpu/drm/msm/msm_debugfs.c |   6 +-
>  drivers/gpu/drm/msm/msm_drv.c     |  21 ++--
>  drivers/gpu/drm/msm/msm_drv.h     |  12 ++-
>  drivers/gpu/drm/msm/msm_fbdev.c   | 168 ++++++++++++++++++------------
>  4 files changed, 118 insertions(+), 89 deletions(-)
>
> --
> 2.40.0
>


-- 
With best wishes
Dmitry


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