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drm/i915: Check workaround status on dfs read time

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As the workaround list has the value as initialization time
constant, we can do the simple checking on the go without
negleting igt.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala
2014-10-07 17:21:27 +03:00
committed by Daniel Vetter
parent 7225342ab5
commit 2fa60f6d51
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/i915/i915_debugfs.c
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@@ -2657,16 +2657,16 @@ static int i915_wa_registers(struct seq_file *m, void *unused)
seq_printf(m, "Workarounds applied: %d\n", dev_priv->workarounds.count);
for (i = 0; i < dev_priv->workarounds.count; ++i) {
u32 addr, mask;
u32 addr, mask, value, read;
bool ok;
addr = dev_priv->workarounds.reg[i].addr;
mask = dev_priv->workarounds.reg[i].mask;
dev_priv->workarounds.reg[i].value = I915_READ(addr) | mask;
if (dev_priv->workarounds.reg[i].addr)
seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
dev_priv->workarounds.reg[i].addr,
dev_priv->workarounds.reg[i].value,
dev_priv->workarounds.reg[i].mask);
value = dev_priv->workarounds.reg[i].value;
read = I915_READ(addr);
ok = (value & mask) == (read & mask);
seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n",
addr, value, mask, read, ok ? "OK" : "FAIL");
}
intel_runtime_pm_put(dev_priv);