Re: [Freedreno] [PATCH v2 10/10] drm/msm/dsi: drop modeset sanity checks

From: Kuogee Hsieh
Date: Thu Sep 22 2022 - 16:00:14 EST



On 9/13/2022 1:53 AM, Johan Hovold wrote:
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@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Tested-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
Reviewed-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/dsi.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 8a95c744972a..31fdee2052be 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -211,14 +211,9 @@ void __exit msm_dsi_unregister(void)
int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
struct drm_encoder *encoder)
{
- struct msm_drm_private *priv;
+ struct msm_drm_private *priv = dev->dev_private;
int ret;
- if (WARN_ON(!encoder) || WARN_ON(!msm_dsi) || 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;