skl_pcode_try_request() call sandybridge_pcode_read(), check both return
status and value simultanously, ensure it got correct value without error.
Signed-off-by: Weinan Li <weinan.z...@intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ae2c0bb..e7b12ec 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7882,7 +7882,7 @@ static bool skl_pcode_try_request(struct drm_i915_private
*dev_priv, u32 mbox,
*status = sandybridge_pcode_read(dev_priv, mbox, &val);
- return *status || ((val & reply_mask) == reply);
+ return (!*status) && ((val & reply_mask) == reply);
}
/**
--
1.9.1
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