mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-26 09:52:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/bridge: ps8640: Skip redundant bridge enable

Browse Source 
Skip the drm_bridge_chain_pre_enable call when the bridge is already
pre_enabled. This make pre_enable and post_disable (thus
pm_runtime_get/put) symmetric.

Fixes: 46f206304d ("drm/bridge: ps8640: Rework power state handling")
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230315035508.2874915-1-treapking@chromium.org
This commit is contained in:
Pin-yen Lin
2023-03-15 11:55:07 +08:00
committed by Douglas Anderson
parent 901cdf66e8
commit 845e730eaf
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/bridge/parade-ps8640.c
View File

@@ -557,7 +557,8 @@ static struct edid *ps8640_bridge_get_edid(struct drm_bridge *bridge,
* EDID, for this chip, we need to do a full poweron, otherwise it will
* fail.
*/
drm_atomic_bridge_chain_pre_enable(bridge, connector->state->state);
if (poweroff)
drm_atomic_bridge_chain_pre_enable(bridge, connector->state->state);
edid = drm_get_edid(connector,
ps_bridge->page[PAGE0_DP_CNTL]->adapter);