[PATCH 0/7] drm/mgag200: Inline prepare/commit helpers

Lyude Paul lyude at redhat.com
Tue Jul 7 16:40:31 UTC 2020


For context - I already reviewed this once, it just missed the dri-devel list by
accident

For the whole series:

Reviewed-by: Lyude Paul <lyude at redhat.com>

On Tue, 2020-07-07 at 10:24 +0200, Thomas Zimmermann wrote:
> Mgag200's modesetting still utilizes the prepare and commit functions
> that were part of the non-atomic interface. This patchset integrates
> them into the simple-display's enable function.
> 
> Patch 1 disables CRTC write protection once when initializing the
> registers. Before, CRTC registers were temporarily write-protected for
> no apparent reason.
> 
> The screen is toggled on and off multiple times while setting a mode.
> Patch 3 removes any intermediate screen on/off changes.
> 
> In patch 4, DPMS functionality is reduced to on an off. The DPMS helper
> function implemements on, off, suspend and standby. In atomic modesetting,
> only on and off is required.
> 
> Tested on G200SE HW with Xorg, Weston and fbdev.
> 
> Thomas Zimmermann (7):
>   drm/mgag200: Don't write-protect CRTC 0-7 while in mga_crtc_prepare()
>   drm/mgag200: Move PLL setup out of mode-setting function
>   drm/mgag200: Don't set or clear <scroff> field during modeset
>   drm/mgag200: Split DPMS function into helpers
>   drm/mgag200: Set/clear <syncrst> field in display enable/disable
>     helpers
>   drm/mgag200: Rename G200WB prepare/commit function
>   drm/mgag200: Inline mga_crtc_{prepare,commit}() into enable function
> 
>  drivers/gpu/drm/mgag200/mgag200_drv.h  |   6 +
>  drivers/gpu/drm/mgag200/mgag200_mode.c | 168 +++++++++----------------
>  drivers/gpu/drm/mgag200/mgag200_reg.h  |  11 ++
>  3 files changed, 76 insertions(+), 109 deletions(-)
> 
> --
> 2.27.0
> 



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