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authordaniele.ceraolospurio@intel.com <daniele.ceraolospurio@intel.com>2017-04-07 03:18:52 +0300
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2017-04-13 14:01:01 +0300
commit13f6c719eb88f2a0c8981d7a0c45404194aa2ef5 (patch)
treef8f59efe490e40e7820b2318e2990ee705c572f2 /include/linux
parent48ae80741da4b8a26b6df0f765713912bc7cc480 (diff)
downloadlinux-13f6c719eb88f2a0c8981d7a0c45404194aa2ef5.tar.xz
drm/i915/guc: write wopcm related register once during uc init
The wopcm registers are write-once, so any write after the first one will just be ignored. The registers survive a GPU reset but not always a suspend/resume cycle, so to keep things simple keep the writes in the intel_uc_init_hw function instead of moving it earlier to make sure we attempt them every time we try to load GuC. Cc: Jeff McGee <jeff.mcgee@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1491524332-23860-1-git-send-email-daniele.ceraolospurio@intel.com
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