Hello, Maxime!
>+mode = drm_mode_duplicate(panel->drm, &default_mode);
>+if (!mode) {
>+DRM_DEV_ERROR(&ctx->dsi->dev,
>+ "Failed to add mode " DRM_MODE_FMT "\n",
>+ DRM_MODE_ARG(mode));
>+return -EINVAL;
>+}
Just small fix: DRM_MODE_ARG(mode) -> DRM_MODE_ARG(&default_mode).
The "mode" variable is NULL, it leads to the UB.
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