[Intel-gfx] [PATCH] drm/i915/gsc: Only initialize GSC in tile 0

[Alexander Usyskin]

From: José Roberto de Souza <jose.so...@intel.com>

For multi-tile setups the GSC operational only on the tile 0.
Skip GSC auxiliary device creation for all other tiles.

Cc: Tomas Winkler <tomas.wink...@intel.com>
Cc: Vitaly Lubart <vitaly.lub...@intel.com>
Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usys...@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c 
b/drivers/gpu/drm/i915/gt/intel_gt.c
index 2e796ffad911..92ad8cd45ddb 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -456,7 +456,10 @@ void intel_gt_chipset_flush(struct intel_gt *gt)
 
 void intel_gt_driver_register(struct intel_gt *gt)
 {
-       intel_gsc_init(&gt->gsc, gt->i915);
+       if (gt->info.id == 0)
+               intel_gsc_init(&gt->gsc, gt->i915);
+       else
+               drm_dbg(&gt->i915->drm, "Not initializing gsc for remote 
tiles\n");
 
        intel_rps_driver_register(&gt->rps);
 
@@ -787,7 +790,8 @@ void intel_gt_driver_unregister(struct intel_gt *gt)
 
        intel_gt_sysfs_unregister(gt);
        intel_rps_driver_unregister(&gt->rps);
-       intel_gsc_fini(&gt->gsc);
+       if (gt->info.id == 0)
+               intel_gsc_fini(&gt->gsc);
 
        intel_pxp_fini(&gt->pxp);
 
-- 
2.34.1