diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_workarounds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_workarounds.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c index 32785463ec9e..febc9e6692ba 100644 --- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c +++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c @@ -417,6 +417,20 @@ static bool wo_register(struct intel_engine_cs *engine, u32 reg) return false; } +static bool timestamp(const struct intel_engine_cs *engine, u32 reg) +{ + reg = (reg - engine->mmio_base) & ~RING_FORCE_TO_NONPRIV_ACCESS_MASK; + switch (reg) { + case 0x358: + case 0x35c: + case 0x3a8: + return true; + + default: + return false; + } +} + static bool ro_register(u32 reg) { if ((reg & RING_FORCE_TO_NONPRIV_ACCESS_MASK) == @@ -497,6 +511,9 @@ static int check_dirty_whitelist(struct intel_context *ce) if (wo_register(engine, reg)) continue; + if (timestamp(engine, reg)) + continue; /* timestamps are expected to autoincrement */ + ro_reg = ro_register(reg); /* Clear non priv flags */ |