On Fri 2018-11-16 00:06:45, Sebastian Reichel wrote: > This adds the required infrastructure for manually updated displays, > such as DSI command mode panels. While those panels often support > partial updates we currently always do a full refresh. > > The display will be refreshed when something calls the dirty callback, > such as libdrm's drmModeDirtyFB(). This is currently being done at least > by the kernel console and Xorg (with modesetting driver) in their > default configuration. Weston does not implement this and the fbdev > backend does not work (display will not update). Weston's DRM backend > uses double buffering and the page flip will trigger a display refresh > and seems to work as expected. > > Signed-off-by: Sebastian Reichel <sebastian.reic...@collabora.com>
Acked-by: Pavel Machek <pa...@ucw.cz>
> @@ -708,6 +802,18 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
> omap_crtc->channel = channel;
> omap_crtc->name = channel_names[channel];
>
> + /* We want to refresh manually updated displays from dirty callback,
Nit: Comment style does not match coding style.
/*
*
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fb.c
> @@ -66,8 +66,49 @@ struct omap_framebuffer {
> struct mutex lock;
> };
>
> +/* iterate thru all the crts, returning ones that are attached to the same
> fb */
Start with big letter -- "Iterate"?
Thanks,
Pavel
--
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