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@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