linux-kernel - [PATCH v2 20/21] drm/i915/guc: describe enum intel_guc_tlb_invalidation

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Date:   Thu, 14 Jul 2022 13:06:25 +0100
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Previn <alan.previn.teres.alexis@...el.com>,
        Borislav Petkov <bp@...e.de>, Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        John Harrison <John.C.Harrison@...el.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Matthew Brost <matthew.brost@...el.com>,
        Michal Wajdeczko <michal.wajdeczko@...el.com>,
        Prathap Kumar Valsan <prathap.kumar.valsan@...el.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Vinay Belgaumkar <vinay.belgaumkar@...el.com>,
        dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 20/21] drm/i915/guc: describe enum intel_guc_tlb_invalidation_type

Add a description for intel_guc_tlb_invalidation_type enum.

Signed-off-by: Mauro Carvalho Chehab <mchehab@...nel.org>
---

To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH v2 00/21] at: https://lore.kernel.org/all/cover.1657800199.git.mchehab@kernel.org/

 drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
index 5c019856a269..e97065c62d28 100644
--- a/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
+++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
@@ -187,6 +187,18 @@ enum intel_guc_state_capture_event_status {
 /* Flush PPC or SMRO caches along with TLB invalidation request */
 #define INTEL_GUC_TLB_INVAL_FLUSH_CACHE (1 << 31)
 
+/**
+ * enum intel_guc_tlb_invalidation_type - type of TLB cache invalidation
+ *
+ * @INTEL_GUC_TLB_INVAL_FULL:
+ *	Global TLB invalidation
+ * @INTEL_GUC_TLB_INVAL_PAGE_SELECTIVE:
+ *	Page-selective TLB cache invalidation
+ * @INTEL_GUC_TLB_INVAL_PAGE_SELECTIVE_CTX:
+ *	Context-selective TLB cache invalidation
+ * @INTEL_GUC_TLB_INVAL_GUC:
+ *	Invalidate TLB on GuC itself
+ */
 enum intel_guc_tlb_invalidation_type {
 	INTEL_GUC_TLB_INVAL_FULL = 0x0,
 	INTEL_GUC_TLB_INVAL_PAGE_SELECTIVE = 0x1,
-- 
2.36.1