drm/i915/gt: Set unused mocs entry to follow PTE on tgl as on all others

Be consistent in our mocs setup on Tigerlake and set the unused control
value to follow the PTE entry as we previously have done. The unused
values are beyond the defines of the ABI, the consistency simplifies our
checking.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112223600.30993-1-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index 2b977991b785067f9176f37ab91f16d3db32318e..603263310c37cfa56eb33f82012d4e480d2e7934 100644 (file)
--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -481,7 +481,7 @@ static void intel_mocs_init_global(struct intel_gt *gt)
        for (; index < table.n_entries; index++)
                intel_uncore_write(uncore,
                                   GEN12_GLOBAL_MOCS(index),
-                                  table.table[0].control_value);
+                                  table.table[I915_MOCS_PTE].control_value);
 }
 
 void intel_mocs_init(struct intel_gt *gt)