On Wed, Dec 08, 2021 at 08:27:58PM +0530, Ramalingam C wrote:
> From: Chris Wilson <ch...@chris-wilson.co.uk>
>
> Remove the portion of stolen memory reserved for private use from driver
> access.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> cc: Matthew Auld <matthew.a...@intel.com>
> Signed-off-by: Ramalingam C <ramalinga...@intel.com>
> Reviewed-by: Matthew Auld <matthew.a...@intel.com>
> ---
> drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
> b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
> index bce03d74a0b4..6ea3ca21cdf3 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
> @@ -488,6 +488,9 @@ static int i915_gem_init_stolen(struct
> intel_memory_region *mem)
> return 0;
> }
>
> + /* Exclude the reserved region from driver use */
> + mem->region.end = reserved_base - 1;
> +
> /* It is possible for the reserved area to end before the end of stolen
> * memory, so just consider the start. */
> reserved_total = stolen_top - reserved_base;
> --
> 2.20.1
