drm/i915: align the plane_vma to min_page_size of stolen mem

Align the plane vma size to the stolem memory regions' min_page_size.

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Matthew Auld <matthew.auld@intel.com>
cc: Chris P Wilson <chris.p.wilson@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220128185209.18077-3-ramalingam.c@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c
index e4186a0..5438779 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_plane_initial.c
+++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c
@@ -46,17 +46,18 @@ static struct i915_vma *
 initial_plane_vma(struct drm_i915_private *i915,
                  struct intel_initial_plane_config *plane_config)
 {
+       struct intel_memory_region *mem = i915->mm.stolen_region;
        struct drm_i915_gem_object *obj;
        struct i915_vma *vma;
        u32 base, size;
 
-       if (plane_config->size == 0)
+       if (!mem || plane_config->size == 0)
                return NULL;
 
        base = round_down(plane_config->base,
                          I915_GTT_MIN_ALIGNMENT);
        size = round_up(plane_config->base + plane_config->size,
-                       I915_GTT_MIN_ALIGNMENT);
+                       mem->min_page_size);
        size -= base;
 
        /*