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9128b10249
We wrongly assumed that GuC is only using last scratch register for G2H messages, but in fact it is also using register [14] to report sleep state status. Remove that register from our H2G send registers pool. v2: No message from host to GuC uses more than 8 registers and the GuC FW itself uses an 8-element array to store the H2G message, so we may reduce our send array to just 8 registers (Daniele) v3: use explicit define (Daniele) v4: and explicit comment (Daniele) Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20181019101725.14024-1-michal.wajdeczko@intel.com |
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