[Intel-gfx] [RFC 6/8] drm/i915: Fix loop on CSB processing

[jeff.mcgee at intel.com]

From: Jeff McGee <jeff.mcgee at intel.com>

Signed-off-by: Jeff McGee <jeff.mcgee at intel.com>
---
 drivers/gpu/drm/i915/intel_lrc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index beb81f13a3cc..cec4e1653daf 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1009,7 +1009,7 @@ static void execlists_submission_tasklet(unsigned long data)
 	 * imposing the cost of a locked atomic transaction when submitting a
 	 * new request (outside of the context-switch interrupt).
 	 */
-	if (test_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted))
+	while (test_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted))
 		process_csb(engine);
 
 	if (!execlists_is_active(&engine->execlists, EXECLISTS_ACTIVE_PREEMPT))
-- 
2.16.2