[Intel-gfx] [PATCH 11/21] drm/i915/guc: document the TLB invalidation struct members

[Mauro Carvalho Chehab]

Add documentation for the 3 new members of struct intel_guc
that are used to handle TLB cache invalidation logic.

Signed-off-by: Mauro Carvalho Chehab <mchehab at kernel.org>
---

See [PATCH 00/21] at: https://lore.kernel.org/all/cover.1657703926.git.mchehab@kernel.org/

 drivers/gpu/drm/i915/gt/uc/intel_guc.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index f82a121b0838..73c46d405dc4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -76,11 +76,23 @@ struct intel_guc {
 	 */
 	atomic_t outstanding_submission_g2h;
 
-	/** @interrupts: pointers to GuC interrupt-managing functions. */
+	/**
+	 * @tlb_lookup: TLB cache invalidation lookup table.
+	 */
 	struct xarray tlb_lookup;
+
+	/**
+	 * @serial_slot: index to the latest allocated element at the
+	 * @tlb_lookup xarray.
+	 */
 	u32 serial_slot;
+
+	/**
+	 * @next_seqno: next index to be allocated at the @tlb_lookup xarray.
+	 */
 	u32 next_seqno;
 
+	/** @interrupts: pointers to GuC interrupt-managing functions. */
 	struct {
 		void (*reset)(struct intel_guc *guc);
 		void (*enable)(struct intel_guc *guc);
-- 
2.36.1