Merge tag 'drm-intel-fixes-2021-12-09' of...

Merge tag 'drm-intel-fixes-2021-12-09' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

A fix to a error pointer dereference in gem_execbuffer and
a fix for GT initialization when GuC/HuC are used on ICL.
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YbJVWYAd/jeERCYY@intel.com

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c

@@ -3277,6 +3277,7 @@ i915_gem_do_execbuffer(struct drm_device *dev,
 	out_fence = eb_requests_create(&eb, in_fence, out_fence_fd);
 	if (IS_ERR(out_fence)) {
 		err = PTR_ERR(out_fence);
+		out_fence = NULL;
 		if (eb.requests[0])
 			goto err_request;
 		else

drivers/gpu/drm/i915/gt/intel_workarounds.c

@@ -1127,6 +1127,15 @@ icl_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 		    GAMT_CHKN_BIT_REG,
 		    GAMT_CHKN_DISABLE_L3_COH_PIPE);
 
+	/* Wa_1407352427:icl,ehl */
+	wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
+		    PSDUNIT_CLKGATE_DIS);
+
+	/* Wa_1406680159:icl,ehl */
+	wa_write_or(wal,
+		    SUBSLICE_UNIT_LEVEL_CLKGATE,
+		    GWUNIT_CLKGATE_DIS);
+
 	/* Wa_1607087056:icl,ehl,jsl */
 	if (IS_ICELAKE(i915) ||
 	    IS_JSL_EHL_GT_STEP(i915, STEP_A0, STEP_B0))
@@ -1852,15 +1861,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE,
 			    VSUNIT_CLKGATE_DIS | HSUNIT_CLKGATE_DIS);
 
-		/* Wa_1407352427:icl,ehl */
-		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
-			    PSDUNIT_CLKGATE_DIS);
-
-		/* Wa_1406680159:icl,ehl */
-		wa_write_or(wal,
-			    SUBSLICE_UNIT_LEVEL_CLKGATE,
-			    GWUNIT_CLKGATE_DIS);
-
 		/*
 		 * Wa_1408767742:icl[a2..forever],ehl[all]
 		 * Wa_1605460711:icl[a0..c0]