diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2025-04-01 08:11:36 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2025-04-22 16:49:11 +0300 |
| commit | 62ca1c3a146c73f8b8a381bf4461a82951defb8b (patch) | |
| tree | 131c774eaf7239e604b9f23d0f76599958ce5405 | |
| parent | 4fc72e1fc46b0dca74c1f8c94091e524ad5b9fdb (diff) | |
| download | linux-62ca1c3a146c73f8b8a381bf4461a82951defb8b.tar.xz | |
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 <damon.ding@rock-chips.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250401-panel-return-void-v1-4-93e1be33dc8d@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 2 |
2 files changed, 0 insertions, 7 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index f62035c50f35..f411dd33e730 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 b679d5b71d27..2b54120ba4a3 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; }; |