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>
Reviewed-by: Andi Shyti <andi.sh...@linux.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

Reply via email to