Message ID | 20210526113259.1661914-14-thomas.hellstrom@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/i915: Move LMEM (VRAM) management over to TTM | expand |
On 5/26/21 1:32 PM, Thomas Hellström wrote: > From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> > > The paltform should exclusively use mmap_offset, one less path to worry Hmm, Thought this was fixed, but s/paltform/platform/
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index f6fe5cb01438..fd1c9714f8d8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -56,10 +56,17 @@ int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { + struct drm_i915_private *i915 = to_i915(dev); struct drm_i915_gem_mmap *args = data; struct drm_i915_gem_object *obj; unsigned long addr; + /* mmap ioctl is disallowed for all platforms after TGL-LP. This also + * covers all platforms with local memory. + */ + if (INTEL_GEN(i915) >= 12 && !IS_TIGERLAKE(i915)) + return -EOPNOTSUPP; + if (args->flags & ~(I915_MMAP_WC)) return -EINVAL;