iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915/selftests: Serialise write to scratch with its vma binding

Browse Source 
Add the missing serialisation on the request for a write into a vma to
wait until that vma is bound before being executed by the GPU.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191011193620.14026-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-10-11 20:36:20 +01:00
parent 54895010a8
commit cd9ba7b6e4
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/i915/gt/selftest_workarounds.c
View File

@ -786,6 +786,14 @@ static int read_whitelisted_registers(struct i915_gem_context *ctx,
if (IS_ERR(rq))
return PTR_ERR(rq);
i915_vma_lock(results);
err = i915_request_await_object(rq, results->obj, true);
if (err == 0)
err = i915_vma_move_to_active(results, rq, EXEC_OBJECT_WRITE);
i915_vma_unlock(results);
if (err)
goto err_req;
srm = MI_STORE_REGISTER_MEM;
if (INTEL_GEN(ctx->i915) >= 8)
srm++;