[Intel-gfx] [PATCH i-g-t v2] lib/igt_gt: Allow non-default contexts to hang non-render rings

Vinay Belgaumkar vinay.belgaumkar at intel.com
Wed Oct 11 17:16:23 UTC 2017


This limitation does not exist for gen8+. It was removed by this patch-

commit f7978a0c581a8a840a28306f8da43e06e7fef3bf

v2: Added commit id that removes the limitation(Chris Wilson)

Cc: Michel Thierry <michel.thierry at intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
Cc: Petri Latvala <petri.latvala at intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>
---
 lib/igt_gt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index b3f3b38..abf789d 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -214,6 +214,7 @@ void igt_disallow_hang(int fd, igt_hang_t arg)
  * @ctx: the contxt specifier
  * @ring: execbuf ring flag
  * @flags: set of flags to control execution
+ * @offset: The resultant gtt offset of the exec obj
  *
  * This helper function injects a hanging batch associated with @ctx into @ring.
  * It returns a #igt_hang_t structure which must be passed to
@@ -239,8 +240,11 @@ igt_hang_t igt_hang_ctx(int fd,
 
 	igt_require_hang_ring(fd, ring);
 
-	/* One day the kernel ABI will be fixed! */
-	igt_require(ctx == 0 || ring == I915_EXEC_RENDER);
+	if (!(intel_gen(intel_get_drm_devid(fd)) >= 8))
+	{
+		/* One day the kernel ABI will be fixed! */
+		igt_require(ctx == 0 || ring == I915_EXEC_RENDER);
+	}
 
 	param.context = ctx;
 	param.size = 0;
-- 
1.9.1



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