drm/i915/gt: Set CMD_CCTL to UC for Gen12 Onward
Cache-control registers for Command Stream(CMD_CCTL) are used to set catchability for memory writes and reads outputted by Command Streamers on Gen12 onward platforms. These registers need to point un-cached(UC) MOCS index. Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com> Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210903092153.535736-3-ayaz.siddiqui@intel.com
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