Merge tag 'drm-intel-gt-next-2023-08-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Driver Changes:

- Avoid infinite GPU waits by avoidin premature release of request's
  reusable memory (Chris, Janusz)
- Expose RPS thresholds in sysfs (Tvrtko)
- Apply GuC SLPC min frequency softlimit correctly (Vinay)
- Restore SLPC efficient freq earlier (Vinay)
- Consider OA buffer boundary when zeroing out reports (Umesh)
- Extend Wa_14015795083 to TGL, RKL, DG1 and ADL (Matt R)
- Fix context workarounds with non-masked regs on MTL/DG2 (Lucas)
- Enable the CCS_FLUSH bit in the pipe control and in the CS for MTL+ (Andi)
- Update MTL workarounds 14018778641, 22016122933 (Tejas, Zhanjun)
- Ensure memory quiesced before AUX CCS invalidation (Jonathan)

- Add a gsc_info debugfs (Daniele)
- Invalidate the TLBs on each GT on multi-GT device (Chris)
- Fix a VMA UAF for multi-gt platform (Nirmoy)
- Do not use stolen on MTL due to HW bug (Nirmoy)
- Check HuC and GuC version compatibility on MTL (Daniele)
- Dump perf_limit_reasons for slow GuC init debug (Vinay)
- Replace kmap() with kmap_local_page() (Sumitra, Ira)
- Add sentinel to xehp_oa_b_counters for KASAN (Andrzej)
- Add the gen12_needs_ccs_aux_inv helper (Andi)
- Fixes and updates for GSC memory allocation (Daniele)
- Fix one wrong caching mode enum usage (Tvrtko)
- Fixes for GSC wakeref (Alan)

- Static checker fixes (Harshit, Arnd, Dan, Cristophe, David, Andi)
- Rename flags with bit_group_X according to the datasheet (Andi)
- Use direct alias for i915 in requests (Andrzej)
- Replace i915->gt0 with to_gt(i915) (Andi)
- Use the i915_vma_flush_writes helper (Tvrtko)
- Selftest improvements (Alan)
- Remove dead code (Tvrtko)

Signed-off-by: Dave Airlie <airlied@redhat.com>

# Conflicts:
#	drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZMy6kDd9npweR4uy@jlahtine-mobl.ger.corp.intel.com

1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 63e111266de1..e52089564d79 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -34,6 +34,7 @@
 #include "gt/intel_engine_heartbeat.h"
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_requests.h"
+#include "gt/intel_tlb.h"
 
 #include "i915_drv.h"
 #include "i915_gem_evict.h"
@@ -1339,6 +1340,12 @@ err_unpin:
 
 void vma_invalidate_tlb(struct i915_address_space *vm, u32 *tlb)
 {
+	struct intel_gt *gt;
+	int id;
+
+	if (!tlb)
+		return;
+
 	/*
 	 * Before we release the pages that were bound by this vma, we
 	 * must invalidate all the TLBs that may still have a reference
@@ -1347,7 +1354,9 @@ void vma_invalidate_tlb(struct i915_address_space *vm, u32 *tlb)
 	 * the most recent TLB invalidation seqno, and if we have not yet
 	 * flushed the TLBs upon release, perform a full invalidation.
 	 */
-	WRITE_ONCE(*tlb, intel_gt_next_invalidate_tlb_full(vm->gt));
+	for_each_gt(gt, vm->i915, id)
+		WRITE_ONCE(tlb[id],
+			   intel_gt_next_invalidate_tlb_full(vm->gt));
 }
 
 static void __vma_put_pages(struct i915_vma *vma, unsigned int count)
@@ -2014,7 +2023,7 @@ struct dma_fence *__i915_vma_evict(struct i915_vma *vma, bool async)
 
 	if (async)
 		unbind_fence = i915_vma_resource_unbind(vma_res,
-							&vma->obj->mm.tlb);
+							vma->obj->mm.tlb);
 	else
 		unbind_fence = i915_vma_resource_unbind(vma_res, NULL);
 
@@ -2031,7 +2040,7 @@ struct dma_fence *__i915_vma_evict(struct i915_vma *vma, bool async)
 			dma_fence_put(unbind_fence);
 			unbind_fence = NULL;
 		}
-		vma_invalidate_tlb(vma->vm, &vma->obj->mm.tlb);
+		vma_invalidate_tlb(vma->vm, vma->obj->mm.tlb);
 	}
 
 	/*