diff options
| author | Noralf Trønnes <noralf@tronnes.org> | 2019-03-26 20:55:32 +0300 |
|---|---|---|
| committer | Noralf Trønnes <noralf@tronnes.org> | 2019-04-03 12:05:20 +0300 |
| commit | 65a102f68005891d7f39354cfd79099908df6d51 (patch) | |
| tree | cee9a5396729a691912223ead82711a32873a2c7 /drivers/gpu/drm/drm_fb_helper.c | |
| parent | b9ed8cff037b8586365d0eb15a3da969ea39ffc9 (diff) | |
| download | linux-65a102f68005891d7f39354cfd79099908df6d51.tar.xz | |
drm/fb-helper: dpms_legacy(): Only set on connectors in use
For each enabled crtc the functions sets dpms on all registered connectors.
Limit this to only doing it once and on the connectors actually in use.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Fixes: 023eb571a1d0 ("drm: correctly update connector DPMS status in drm_fb_helper")
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190326175546.18126-3-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index a6d88f8b7a52..0d8384e30e16 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -639,20 +639,19 @@ static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = { }; static void dpms_legacy(struct drm_fb_helper *fb_helper, int dpms_mode) { struct drm_device *dev = fb_helper->dev; - struct drm_crtc *crtc; struct drm_connector *connector; + struct drm_mode_set *modeset; int i, j; drm_modeset_lock_all(dev); for (i = 0; i < fb_helper->crtc_count; i++) { - crtc = fb_helper->crtc_info[i].mode_set.crtc; + modeset = &fb_helper->crtc_info[i].mode_set; - if (!crtc->enabled) + if (!modeset->crtc->enabled) continue; - /* Walk the connectors & encoders on this fb turning them on/off */ - drm_fb_helper_for_each_connector(fb_helper, j) { - connector = fb_helper->connector_info[j]->connector; + for (j = 0; j < modeset->num_connectors; j++) { + connector = modeset->connectors[j]; connector->funcs->dpms(connector, dpms_mode); drm_object_property_set_value(&connector->base, dev->mode_config.dpms_property, dpms_mode); |