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compositor-drm: Delete drm_backend_set_modes

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Even if we do have a framebuffer matching the mode, we immediately
schedule a repaint, meaning we either do work for no reason, or show
stale content before we bring up the new content.

Delete this and just let repaint deal with it.

Differential Revision: https://phabricator.freedesktop.org/D1481

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Armin Krezović <krezovic.armin@gmail.com>
This commit is contained in:
Daniel Stone 2016-11-05 08:04:07 +00:00
parent c8c917cb61
commit 47224cc931
1 changed files with 0 additions and 33 deletions
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33
libweston/compositor-drm.c
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@ -2806,38 +2806,6 @@ drm_destroy(struct weston_compositor *ec)
free(b);
}
static void
drm_backend_set_modes(struct drm_backend *backend)
{
struct drm_output *output;
struct drm_mode *drm_mode;
int ret;
wl_list_for_each(output, &backend->compositor->output_list, base.link) {
if (!output->current) {
/* If something that would cause the output to
* switch mode happened while in another vt, we
* might not have a current drm_fb. In that case,
* schedule a repaint and let drm_output_repaint
* handle setting the mode. */
weston_output_schedule_repaint(&output->base);
continue;
}
drm_mode = (struct drm_mode *) output->base.current_mode;
ret = drmModeSetCrtc(backend->drm.fd, output->crtc_id,
output->current->fb_id, 0, 0,
&output->connector_id, 1,
&drm_mode->mode_info);
if (ret < 0) {
weston_log(
"failed to set mode %dx%d for output at %d,%d: %m\n",
drm_mode->base.width, drm_mode->base.height,
output->base.x, output->base.y);
}
}
}
static void
session_notify(struct wl_listener *listener, void *data)
{
@ -2849,7 +2817,6 @@ session_notify(struct wl_listener *listener, void *data)
if (compositor->session_active) {
weston_log("activating session\n");
compositor->state = b->prev_state;
drm_backend_set_modes(b);
weston_compositor_damage_all(compositor);
udev_input_enable(&b->input);
} else {