diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_ring_submission.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c index 32f3b52a183a..d56410863f26 100644 --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c @@ -230,8 +230,13 @@ static int xcs_resume(struct intel_engine_cs *engine) set_pp_dir(engine); - /* First wake the ring up to an empty/idle ring */ - for ((kt) = ktime_get() + (2 * NSEC_PER_MSEC); + /* + * First wake the ring up to an empty/idle ring. + * Use 50ms of delay to let the engine write successfully + * for all platforms. Experimented with different values and + * determined that 50ms works best based on testing. + */ + for ((kt) = ktime_get() + (50 * NSEC_PER_MSEC); ktime_before(ktime_get(), (kt)); cpu_relax()) { /* * In case of resets fails because engine resumes from |