From: Chris Wilson chris@chris-wilson.co.uk
Remove the portion of stolen memory reserved for private use from driver access.
Signed-off-by: Chris Wilson chris@chris-wilson.co.uk cc: Matthew Auld matthew.auld@intel.com Signed-off-by: Ramalingam C ramalingam.c@intel.com Reviewed-by: Matthew Auld matthew.auld@intel.com Reviewed-by: Andi Shyti andi.shyti@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;