Message ID | 20210624105337.296520-1-thomas.hellstrom@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/i915: Reinstate the mmap ioctl for some platforms | expand |
On Thu, 24 Jun 2021 at 11:53, Thomas Hellström <thomas.hellstrom@linux.intel.com> wrote: > > Reinstate the mmap ioctl for all current integrated platforms. > The intention was really to have it disabled for discrete graphics > where we enforce a single mmap mode. > > Fixes: 35cbd91eb541 ("drm/i915: Disable mmap ioctl for gen12+") > Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com>
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 2fd155742bd2..09b5ed018aaf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -62,10 +62,11 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *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. + /* + * mmap ioctl is disallowed for all discrete platforms, and for + * and for all platforms with GRAPHICS_VER > 12. */ - if (GRAPHICS_VER(i915) >= 12 && !IS_TIGERLAKE(i915)) + if (IS_DGFX(i915) || GRAPHICS_VER(i915) > 12) return -EOPNOTSUPP; if (args->flags & ~(I915_MMAP_WC))
Reinstate the mmap ioctl for all current integrated platforms. The intention was really to have it disabled for discrete graphics where we enforce a single mmap mode. Fixes: 35cbd91eb541 ("drm/i915: Disable mmap ioctl for gen12+") Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> --- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)