From: Dmitry Baryshkov Date: Tue, 1 Apr 2025 05:11:36 +0000 (+0300) Subject: drm/bridge: analogic_dp: drop panel_lock X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=62ca1c3a146c73f8b8a381bf4461a82951defb8b;p=users%2Fjedix%2Flinux-maple.git drm/bridge: analogic_dp: drop panel_lock The analogix_dp_prepare_panel() function is called from bridge's atomic_pre_enable() and atomic_post_disable() callbacks, which can not happen simultaneously. Drop the useless mutex. Tested-by: Damon Ding Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20250401-panel-return-void-v1-4-93e1be33dc8d@oss.qualcomm.com Signed-off-by: Dmitry Baryshkov --- diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index f62035c50f356..f411dd33e7309 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -974,14 +974,11 @@ static int analogix_dp_prepare_panel(struct analogix_dp_device *dp, if (!dp->plat_data->panel) return 0; - mutex_lock(&dp->panel_lock); - if (prepare) ret = drm_panel_prepare(dp->plat_data->panel); else ret = drm_panel_unprepare(dp->plat_data->panel); - mutex_unlock(&dp->panel_lock); return ret; } @@ -1547,8 +1544,6 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) dp->dev = &pdev->dev; dp->dpms_mode = DRM_MODE_DPMS_OFF; - mutex_init(&dp->panel_lock); - /* * platform dp driver need containor_of the plat_data to get * the driver private data, so we need to store the point of diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h index b679d5b71d276..2b54120ba4a3e 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h @@ -169,8 +169,6 @@ struct analogix_dp_device { bool fast_train_enable; bool psr_supported; - struct mutex panel_lock; - struct analogix_dp_plat_data *plat_data; };