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

Tvrtko Ursulin
2023-04-27T12:46:04Z

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

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

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@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 05ce71ec5add..343a50188c5e 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