[Intel-xe] [PATCH v4 1/2] drm/xe: Add infrastructure for per engine tuning

[Matt Atwood]

Add the infrastructure that allows for per engine tuning preparation for
disable indirect state.

v3: rebase
v4: fix rebasing issues

Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 drivers/gpu/drm/xe/xe_hw_engine.c |  2 ++
 drivers/gpu/drm/xe/xe_tuning.c    | 12 ++++++++++++
 drivers/gpu/drm/xe/xe_tuning.h    |  1 +
 3 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c
index dd673a684b70..eff289ae09b2 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine.c
@@ -24,6 +24,7 @@
 #include "xe_reg_sr.h"
 #include "xe_rtp.h"
 #include "xe_sched_job.h"
+#include "xe_tuning.h"
 #include "xe_wa.h"
 
 #define MAX_MMIO_BASES 3
@@ -401,6 +402,7 @@ static void hw_engine_init_early(struct xe_gt *gt, struct xe_hw_engine *hwe,
 	}
 
 	xe_reg_sr_init(&hwe->reg_sr, hwe->name, gt_to_xe(gt));
+	xe_tuning_process_engine(hwe);
 	xe_wa_process_engine(hwe);
 	hw_engine_setup_default_state(hwe);
 
diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
index 412e59de9842..266f6ac38e37 100644
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -27,6 +27,10 @@ static const struct xe_rtp_entry_sr gt_tunings[] = {
 	{}
 };
 
+static const struct xe_rtp_entry_sr engine_tunings[] = {
+	{}
+};
+
 static const struct xe_rtp_entry_sr lrc_tunings[] = {
 	{ XE_RTP_NAME("Tuning: ganged timer, also known as 16011163337"),
 	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1210)),
@@ -65,6 +69,14 @@ void xe_tuning_process_gt(struct xe_gt *gt)
 }
 EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_gt);
 
+void xe_tuning_process_engine(struct xe_hw_engine *hwe)
+{
+	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
+
+	xe_rtp_process_to_sr(&ctx, engine_tunings, &hwe->reg_sr);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_engine);
+
 /**
  * xe_tuning_process_lrc - process lrc tunings
  * @hwe: engine instance to process tunings for
diff --git a/drivers/gpu/drm/xe/xe_tuning.h b/drivers/gpu/drm/xe/xe_tuning.h
index 2b95b0c8effc..4f9c3ac3b516 100644
--- a/drivers/gpu/drm/xe/xe_tuning.h
+++ b/drivers/gpu/drm/xe/xe_tuning.h
@@ -10,6 +10,7 @@ struct xe_gt;
 struct xe_hw_engine;
 
 void xe_tuning_process_gt(struct xe_gt *gt);
+void xe_tuning_process_engine(struct xe_hw_engine *hwe);
 void xe_tuning_process_lrc(struct xe_hw_engine *hwe);
 
 #endif
-- 
2.40.1