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Commit 2fa60f6d authored by Mika Kuoppala's avatar Mika Kuoppala Committed by Daniel Vetter
Browse files

drm/i915: Check workaround status on dfs read time 



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: default avatarMika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: default avatarArun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 7225342a

drivers/gpu/drm/i915/i915_debugfs.c

+7 −7
Original line number Original line Diff line number Diff line
@@ -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);

	seq_printf(m, "Workarounds applied: %d\n", dev_priv->workarounds.count);

	for (i = 0; i < dev_priv->workarounds.count; ++i) {

	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;

		addr = dev_priv->workarounds.reg[i].addr;

		mask = dev_priv->workarounds.reg[i].mask;

		mask = dev_priv->workarounds.reg[i].mask;

		dev_priv->workarounds.reg[i].value = I915_READ(addr) | mask;

		value = dev_priv->workarounds.reg[i].value;

		if (dev_priv->workarounds.reg[i].addr)

		read = I915_READ(addr);

			seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",

		ok = (value & mask) == (read & mask);

				   dev_priv->workarounds.reg[i].addr,

		seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n",

				   dev_priv->workarounds.reg[i].value,

			   addr, value, mask, read, ok ? "OK" : "FAIL");

				   dev_priv->workarounds.reg[i].mask);

	}

	}





	intel_runtime_pm_put(dev_priv);

	intel_runtime_pm_put(dev_priv);