drm/msm/dp: drop modeset sanity checks

Drop the overly defensive modeset sanity checks of function parameters
which have already been checked or used by the callers.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/502674/
Link: https://lore.kernel.org/r/20220913085320.8577-10-johan+linaro@kernel.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index a49f6db..44676f0 100644 (file)
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1600,20 +1600,10 @@ error:
 int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
                        struct drm_encoder *encoder)
 {
-       struct msm_drm_private *priv;
+       struct msm_drm_private *priv = dev->dev_private;
        struct dp_display_private *dp_priv;
        int ret;
 
-       if (WARN_ON(!encoder) || WARN_ON(!dp_display) || WARN_ON(!dev))
-               return -EINVAL;
-
-       priv = dev->dev_private;
-
-       if (priv->num_bridges == ARRAY_SIZE(priv->bridges)) {
-               DRM_DEV_ERROR(dev->dev, "too many bridges\n");
-               return -ENOSPC;
-       }
-
        dp_display->drm_dev = dev;
 
        dp_priv = container_of(dp_display, struct dp_display_private, dp_display);