drm/i915: batch_obj vm offset must be u64

Otherwise it can overflow in 48-bit mode, and cause an incorrect
exec_start.

Before commit 5f19e2bffa63a91cd4ac1adcec648e14a44277ce ("drm/i915: Merged
the many do_execbuf() parameters into a structure"), it was already an u64.

Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 91bd7786418100a77f4b6d6594aa7cf444083a46..cefb6e96a941aecebffadd26950fed5bbca5ef0b 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1686,7 +1686,7 @@ struct i915_execbuffer_params {
        struct drm_file                 *file;
        uint32_t                        dispatch_flags;
        uint32_t                        args_batch_start_offset;
-       uint32_t                        batch_obj_vm_offset;
+       uint64_t                        batch_obj_vm_offset;
        struct intel_engine_cs          *ring;
        struct drm_i915_gem_object      *batch_obj;
        struct intel_context            *ctx;