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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-12 14:23:13 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-12 20:45:23 +0100 |
| commit | ee73e2795b416b829f0e00e7c43154922dff495b (patch) | |
| tree | 302ee1146ecbfc8b2cc95b4b7e0e626d6a5bbbc1 /drivers/gpu/drm/i915/i915_pci.c | |
| parent | 16ffe73c186b7897a1a6888ffb4949a8b4026624 (diff) | |
| download | linux-ee73e2795b416b829f0e00e7c43154922dff495b.tar.bz2 | |
drm/i915/tgl: Disable preemption while being debugged
We see failures where the context continues executing past a
preemption event, eventually leading to situations where a request has
executed before we have event submitted it to HW! It seems like tgl is
ignoring our RING_TAIL updates, but more likely is that there is a
missing update required for our semaphore waits around preemption.
v2: And disable internal semaphore usage
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190912132313.12751-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_pci.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pci.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 698116276441..9236fccb3a83 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -798,6 +798,7 @@ static const struct intel_device_info intel_tigerlake_12_info = { .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2), .has_rc6 = false, /* XXX disabled for debugging */ + .has_logical_ring_preemption = false, /* XXX disabled for debugging */ }; #undef GEN |