Use the new intel_rps.flags field to store whether or not interrupts are
being used with RPS.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Andi Shyti <andi@xxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_rps.c | 17 ++++++++++++-----
drivers/gpu/drm/i915/gt/intel_rps.h | 15 +++++++++++++++
drivers/gpu/drm/i915/gt/intel_rps_types.h | 1 +
drivers/gpu/drm/i915/gt/selftest_rps.c | 2 +-
4 files changed, 29 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index a27e989a08eb..52151001d7ab 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -742,7 +742,7 @@ void intel_rps_unpark(struct intel_rps *rps)
mutex_unlock(&rps->lock);
- if (INTEL_GEN(rps_to_i915(rps)) >= 6)
+ if (intel_rps_has_interrupts(rps))
rps_enable_interrupts(rps);
if (IS_GEN(rps_to_i915(rps), 5))
@@ -751,12 +751,10 @@ void intel_rps_unpark(struct intel_rps *rps)
void intel_rps_park(struct intel_rps *rps)
{
- struct drm_i915_private *i915 = rps_to_i915(rps);
-
if (!intel_rps_clear_active(rps))
return;
- if (INTEL_GEN(i915) >= 6)
+ if (intel_rps_has_interrupts(rps))
rps_disable_interrupts(rps);
if (rps->last_freq <= rps->idle_freq)
@@ -838,7 +836,7 @@ int intel_rps_set(struct intel_rps *rps, u8 val)
* Make sure we continue to get interrupts
* until we hit the minimum or maximum frequencies.
*/
- if (INTEL_GEN(rps_to_i915(rps)) >= 6) {
+ if (intel_rps_has_interrupts(rps)) {
struct intel_uncore *uncore = rps_to_uncore(rps);
set(uncore,
@@ -1257,6 +1255,11 @@ void intel_rps_enable(struct intel_rps *rps)
GEM_BUG_ON(rps->efficient_freq < rps->min_freq);
GEM_BUG_ON(rps->efficient_freq > rps->max_freq);
+ if (INTEL_GEN(i915) >= 6)
+ intel_rps_set_interrupts(rps);
+ else
+ /* Ironlake currently uses intel_ips.ko */ {}
+
intel_rps_set_enabled(rps);
}
@@ -1270,6 +1273,7 @@ void intel_rps_disable(struct intel_rps *rps)
struct drm_i915_private *i915 = rps_to_i915(rps);
intel_rps_clear_enabled(rps);
+ intel_rps_clear_interrupts(rps);
if (INTEL_GEN(i915) >= 6)
gen6_rps_disable(rps);
@@ -1741,6 +1745,9 @@ void intel_rps_init(struct intel_rps *rps)
if (INTEL_GEN(i915) >= 8 && INTEL_GEN(i915) < 11)
rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC;
+
+ if (INTEL_GEN(i915) >= 6)
+ rps_disable_interrupts(rps);
}
u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat)
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h
index a01decf70f31..0ce6a0e492ea 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.h
+++ b/drivers/gpu/drm/i915/gt/intel_rps.h
@@ -66,4 +66,19 @@ static inline bool intel_rps_clear_active(struct intel_rps *rps)
return test_and_clear_bit(INTEL_RPS_ACTIVE, &rps->flags);
}
+static inline bool intel_rps_has_interrupts(const struct intel_rps *rps)
+{
+ return test_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
+}
+
+static inline void intel_rps_set_interrupts(struct intel_rps *rps)
+{
+ set_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
+}
+
+static inline void intel_rps_clear_interrupts(struct intel_rps *rps)
+{
+ clear_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
+}
+
#endif /* INTEL_RPS_H */
diff --git a/drivers/gpu/drm/i915/gt/intel_rps_types.h b/drivers/gpu/drm/i915/gt/intel_rps_types.h
index 1ec44f994bc5..624e93108da4 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_rps_types.h
@@ -34,6 +34,7 @@ struct intel_rps_ei {
enum {
INTEL_RPS_ENABLED = 0,
INTEL_RPS_ACTIVE,
+ INTEL_RPS_INTERRUPTS,
};
struct intel_rps {
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c
index b5bfa4b6a5fd..60653ddd539a 100644
--- a/drivers/gpu/drm/i915/gt/selftest_rps.c
+++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
@@ -1017,7 +1017,7 @@ int live_rps_interrupt(void *arg)
* First, let's check whether or not we are receiving interrupts.
*/
- if (!intel_rps_is_enabled(rps))
+ if (!intel_rps_has_interrupts(rps))
return 0;
intel_gt_pm_get(gt);
--
2.20.1
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