panfrost: fix panfrost drm-shim

The panfrost driver now makes an ioctl to retrieve some new memory
parameters, and DRM_PANFROST_PARAM_MEM_FEATURES is required (does not
default in the caller). This caused drm-shim to stop working. This
patch adds some defaults to get drm-shim working again.

Signed-off-by: Eric R. Smith <eric.smith@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Fixes: 91fe8a0d28 ("panfrost: Back panfrost_device with pan_kmod_dev object")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27162>

src/panfrost/drm-shim/panfrost_noop.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2021 Icecream95
  * Copyright (C) 2019 Google LLC
+ * Copyright (C) 2024 Collabora, Ltd.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -75,6 +76,14 @@ pan_ioctl_get_param(int fd, unsigned long request, void *arg)
    case DRM_PANFROST_PARAM_AFBC_FEATURES:
       gp->value = 0;
       return 0;
+   case DRM_PANFROST_PARAM_MEM_FEATURES:
+      /* lazy default, but works for the purposes of drm_shim */
+      gp->value = 0x0;
+      return 0;
+   case DRM_PANFROST_PARAM_MMU_FEATURES:
+      /* default for most hardware so far */
+      gp->value = 0x00280030;
+      return 0;
    default:
       fprintf(stderr, "Unknown DRM_IOCTL_PANFROST_GET_PARAM %d\n", gp->param);
       return -1;