Revert "drm/xe/xe_guc_ads: save/restore OA registers and allowlist regs"

This reverts commit 55858fa.

'55858fa7eb2f ("drm/xe/xe_guc_ads: save/restore OA registers and allowlist
regs")' was not properly reviewed and also causes dmesg asserts in
CI. Revert it.

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/3295
Fixes: 55858fa ("drm/xe/xe_guc_ads: save/restore OA registers and allowlist regs")
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241029200147.1476513-1-ashutosh.dixit@intel.com

drivers/gpu/drm/xe/xe_guc_ads.c

@@ -15,7 +15,6 @@
 #include "regs/xe_engine_regs.h"
 #include "regs/xe_gt_regs.h"
 #include "regs/xe_guc_regs.h"
-#include "regs/xe_oa_regs.h"
 #include "xe_bo.h"
 #include "xe_gt.h"
 #include "xe_gt_ccs_mode.h"
@@ -741,11 +740,6 @@ static unsigned int guc_mmio_regset_write(struct xe_guc_ads *ads,
 		guc_mmio_regset_write_one(ads, regset_map, e->reg, count++);
 	}
 
-	for (i = 0; i < RING_MAX_NONPRIV_SLOTS; i++)
-		guc_mmio_regset_write_one(ads, regset_map,
-					  RING_FORCE_TO_NONPRIV(hwe->mmio_base, i),
-					  count++);
-
 	/* Wa_1607983814 */
 	if (needs_wa_1607983814(xe) && hwe->class == XE_ENGINE_CLASS_RENDER) {
 		for (i = 0; i < LNCFCMOCS_REG_COUNT; i++) {
@@ -754,14 +748,6 @@ static unsigned int guc_mmio_regset_write(struct xe_guc_ads *ads,
 		}
 	}
 
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL0, count++);
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL1, count++);
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL2, count++);
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL3, count++);
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL4, count++);
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL5, count++);
-	guc_mmio_regset_write_one(ads, regset_map, EU_PERF_CNTL6, count++);
-
 	return count;
 }