diff options
| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-18 12:07:36 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-19 12:18:14 +0100 |
| commit | 73591341014d394a03e54607ffdcccd0b8e2e000 (patch) | |
| tree | 7dfbff62bac4adc453d69536e7442c58afc5b64c /drivers/gpu | |
| parent | drm/i915: Make the semaphore saturation mask global (diff) | |
| download | linux-dev-73591341014d394a03e54607ffdcccd0b8e2e000.tar.xz linux-dev-73591341014d394a03e54607ffdcccd0b8e2e000.zip | |
drm/i915/execlists: Detect cross-contamination with GuC
The process_csb routine from execlists_submission is incompatible with
the GuC backend. Add a warning to detect if we accidentally end up in
the wrong spot.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190618110736.31155-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index df58d1d838f7..b42b5f158295 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1169,6 +1169,7 @@ static void process_csb(struct intel_engine_cs *engine) u8 head, tail; lockdep_assert_held(&engine->active.lock); + GEM_BUG_ON(USES_GUC_SUBMISSION(engine->i915)); /* * Note that csb_write, csb_status may be either in HWSP or mmio. |