drm/i915: Reset tasklet back to execlists after disabling guc

When switching back to execlists, we also now need to restore the
tasklet handler.

Reported-by: Oscar Mateo <[email protected]>
Fixes: 31de73501ac9 ("drm/i915/scheduler: emulate a scheduler for guc")
Signed-off-by: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Michał Winiarski <[email protected]>
Cc: Oscar Mateo <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Michał Winiarski <[email protected]>

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 77168e673e0a18aff69ba8b7a62b70cfea01af94..dab73e7d9a6bff488a29eed83347e73f8abf1a32 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1575,6 +1575,7 @@ static void execlists_set_default_submission(struct intel_engine_cs *engine)
 {
        engine->submit_request = execlists_submit_request;
        engine->schedule = execlists_schedule;
+       engine->irq_tasklet.func = intel_lrc_irq_handler;
 }
 
 static void