[PATCH] drm/radeon: Only warn if the intra-domain offset actually exceeds the limit.

[Michel Dänzer]

From: Michel D?nzer <michel.daen...@amd.com>

Fixes spurious warnings.

Tested-by: Dave Jones <davej at redhat.com>
Tested-by: Steven Rostedt <rostedt at goodmis.org>
Tested-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Signed-off-by: Michel D?nzer <michel.daenzer at amd.com>
---

Thanks to Dave, Steven and Ben for testing the patch!

 drivers/gpu/drm/radeon/radeon_object.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_object.c 
b/drivers/gpu/drm/radeon/radeon_object.c
index f441d58..ad9d450 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -233,7 +233,17 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 
domain, u64 max_offset,
                bo->pin_count++;
                if (gpu_addr)
                        *gpu_addr = radeon_bo_gpu_offset(bo);
-               WARN_ON_ONCE(max_offset != 0);
+
+               if (max_offset != 0) {
+                       u64 domain_start;
+
+                       if (domain == RADEON_GEM_DOMAIN_VRAM)
+                               domain_start = bo->rdev->mc.vram_start;
+                       else
+                               domain_start = bo->rdev->mc.gtt_start;
+                       WARN_ON_ONCE((*gpu_addr - domain_start) > max_offset);
+               }
+
                return 0;
        }
        radeon_ttm_placement_from_domain(bo, domain);
-- 
1.7.9.1