[RFC 2/4] drm/i915: Record default rps threshold values

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Fri Apr 28 08:14:55 UTC 2023


From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Record the default values as preparation for exposing the sysfs controls.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt_types.h | 3 +++
 drivers/gpu/drm/i915/gt/intel_rps.c      | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index f08c2556aa25..1b22d7a50665 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -83,6 +83,9 @@ enum intel_submission_method {
 struct gt_defaults {
 	u32 min_freq;
 	u32 max_freq;
+
+	u8 rps_up_threshold;
+	u8 rps_down_threshold;
 };
 
 enum intel_gt_type {
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index d78699e2b13b..a39eee444849 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -2015,7 +2015,9 @@ void intel_rps_init(struct intel_rps *rps)
 
 	/* Set default thresholds in % */
 	rps->power.up_threshold = 95;
+	rps_to_gt(rps)->defaults.rps_up_threshold = rps->power.up_threshold;
 	rps->power.down_threshold = 85;
+	rps_to_gt(rps)->defaults.rps_down_threshold = rps->power.down_threshold;
 
 	/* Finally allow us to boost to max by default */
 	rps->boost_freq = rps->max_freq;
-- 
2.37.2



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