| Message ID | 20210721161120.24610-13-vinay.belgaumkar@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915/guc: Enable GuC based power management features | expand |
On 21.07.2021 18:11, Vinay Belgaumkar wrote: > Update the get/set min/max freq hooks to work for > SLPC case as well. Consolidate helpers for requested/min/max > frequency get/set to intel_rps where the proper action can > be taken depending on whether slpc is enabled. s/slpc/SLPC > > v2: Add wrappers for getting rp0/1/n frequencies, update > softlimits in set min/max slpc functions. Also check for > boundary conditions before setting them. > > v3: Address review comments (Michal W) > > Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> > Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com> > --- > drivers/gpu/drm/i915/gt/intel_rps.c | 165 ++++++++++++++++++++ > drivers/gpu/drm/i915/gt/intel_rps.h | 11 ++ > drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 14 ++ > drivers/gpu/drm/i915/i915_pmu.c | 2 +- > drivers/gpu/drm/i915/i915_reg.h | 2 + > drivers/gpu/drm/i915/i915_sysfs.c | 77 ++------- > 6 files changed, 207 insertions(+), 64 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c > index e858eeb2c59d..48d4147165a9 100644 > --- a/drivers/gpu/drm/i915/gt/intel_rps.c > +++ b/drivers/gpu/drm/i915/gt/intel_rps.c > @@ -37,6 +37,13 @@ static struct intel_uncore *rps_to_uncore(struct intel_rps *rps) > return rps_to_gt(rps)->uncore; > } > > +static struct intel_guc_slpc *rps_to_slpc(struct intel_rps *rps) > +{ > + struct intel_gt *gt = rps_to_gt(rps); > + > + return >->uc.guc.slpc; > +} > + > static bool rps_uses_slpc(struct intel_rps *rps) > { > struct intel_gt *gt = rps_to_gt(rps); > @@ -1960,6 +1967,164 @@ u32 intel_rps_read_actual_frequency(struct intel_rps *rps) > return freq; > } > > +u32 intel_rps_read_punit_req(struct intel_rps *rps) > +{ > + struct intel_uncore *uncore = rps_to_uncore(rps); > + > + return intel_uncore_read(uncore, GEN6_RPNSWREQ); > +} > + > +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq) > +{ > + u32 req = pureq >> GEN9_SW_REQ_UNSLICE_RATIO_SHIFT; > + > + return req; > +} > + > +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps) > +{ > + u32 freq = intel_rps_get_req(rps, intel_rps_read_punit_req(rps)); > + > + return intel_gpu_freq(rps, freq); > +} > + > +u32 intel_rps_get_requested_frequency(struct intel_rps *rps) > +{ > + if (rps_uses_slpc(rps)) > + return intel_rps_read_punit_req_frequency(rps); > + else > + return intel_gpu_freq(rps, rps->cur_freq); > +} > + > +u32 intel_rps_get_max_frequency(struct intel_rps *rps) > +{ > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + > + if (rps_uses_slpc(rps)) > + return slpc->max_freq_softlimit; > + else > + return intel_gpu_freq(rps, rps->max_freq_softlimit); > +} > + > +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps) > +{ > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + > + if (rps_uses_slpc(rps)) > + return slpc->rp0_freq; > + else > + return intel_gpu_freq(rps, rps->rp0_freq); > +} > + > +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps) > +{ > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + > + if (rps_uses_slpc(rps)) > + return slpc->rp1_freq; > + else > + return intel_gpu_freq(rps, rps->rp1_freq); > +} > + > +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps) > +{ > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + > + if (rps_uses_slpc(rps)) > + return slpc->min_freq; > + else > + return intel_gpu_freq(rps, rps->min_freq); > +} > + > +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val) > +{ > + struct drm_i915_private *i915 = rps_to_i915(rps); > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + int ret = 0; > + > + if (rps_uses_slpc(rps)) > + return intel_guc_slpc_set_max_freq(slpc, val); > + > + mutex_lock(&rps->lock); > + > + val = intel_freq_opcode(rps, val); > + if (val < rps->min_freq || > + val > rps->max_freq || > + val < rps->min_freq_softlimit) { > + ret = -EINVAL; > + goto unlock; > + } > + > + if (val > rps->rp0_freq) > + drm_dbg(&i915->drm, "User requested overclocking to %d\n", > + intel_gpu_freq(rps, val)); > + > + rps->max_freq_softlimit = val; > + > + val = clamp_t(int, rps->cur_freq, > + rps->min_freq_softlimit, > + rps->max_freq_softlimit); > + > + /* > + * We still need *_set_rps to process the new max_delay and > + * update the interrupt limits and PMINTRMSK even though > + * frequency request may be unchanged. > + */ > + intel_rps_set(rps, val); > + > +unlock: > + mutex_unlock(&rps->lock); > + > + return ret; > +} > + > +u32 intel_rps_get_min_frequency(struct intel_rps *rps) > +{ > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + > + if (rps_uses_slpc(rps)) > + return slpc->min_freq_softlimit; > + else > + return intel_gpu_freq(rps, rps->min_freq_softlimit); > +} > + > +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val) > +{ > + struct intel_guc_slpc *slpc = rps_to_slpc(rps); > + int ret = 0; > + > + if (rps_uses_slpc(rps)) > + return intel_guc_slpc_set_min_freq(slpc, val); > + > + mutex_lock(&rps->lock); > + > + val = intel_freq_opcode(rps, val); > + if (val < rps->min_freq || > + val > rps->max_freq || > + val > rps->max_freq_softlimit) { > + ret = -EINVAL; > + goto unlock; > + } > + > + rps->min_freq_softlimit = val; > + > + val = clamp_t(int, rps->cur_freq, > + rps->min_freq_softlimit, > + rps->max_freq_softlimit); > + > + /* > + * We still need *_set_rps to process the new min_delay and > + * update the interrupt limits and PMINTRMSK even though > + * frequency request may be unchanged. > + */ > + intel_rps_set(rps, val); > + > +unlock: > + mutex_unlock(&rps->lock); > + > + return ret; > +} > + > /* External interface for intel_ips.ko */ > > static struct drm_i915_private __rcu *ips_mchdev; > diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h > index 1d2cfc98b510..6a66690dfb0f 100644 > --- a/drivers/gpu/drm/i915/gt/intel_rps.h > +++ b/drivers/gpu/drm/i915/gt/intel_rps.h > @@ -31,6 +31,17 @@ int intel_gpu_freq(struct intel_rps *rps, int val); > int intel_freq_opcode(struct intel_rps *rps, int val); > u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat1); > u32 intel_rps_read_actual_frequency(struct intel_rps *rps); > +u32 intel_rps_get_requested_frequency(struct intel_rps *rps); > +u32 intel_rps_get_min_frequency(struct intel_rps *rps); > +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val); > +u32 intel_rps_get_max_frequency(struct intel_rps *rps); > +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val); > +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps); > +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps); > +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps); > +u32 intel_rps_read_punit_req(struct intel_rps *rps); > +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq); > +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps); > > void gen5_rps_irq_handler(struct intel_rps *rps); > void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir); > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c > index 134c57ca10b7..05d8870ec6da 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c > @@ -301,6 +301,11 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) > struct drm_i915_private *i915 = slpc_to_i915(slpc); > intel_wakeref_t wakeref; > > + if ((val < slpc->min_freq) || > + (val > slpc->rp0_freq) || > + (val < slpc->min_freq_softlimit)) > + return -EINVAL; > + > with_intel_runtime_pm(&i915->runtime_pm, wakeref) { > ret = slpc_set_param(slpc, > SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ, > @@ -313,6 +318,8 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) > } > } > > + slpc->max_freq_softlimit = val; > + > return ret; > } > > @@ -359,6 +366,11 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) > struct drm_i915_private *i915 = guc_to_gt(guc)->i915; > intel_wakeref_t wakeref; > > + if ((val < slpc->min_freq) || > + (val > slpc->rp0_freq) || > + (val > slpc->max_freq_softlimit)) > + return -EINVAL; > + > with_intel_runtime_pm(&i915->runtime_pm, wakeref) { > ret = slpc_set_param(slpc, > SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, > @@ -371,6 +383,8 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) > } > } > > + slpc->min_freq_softlimit = val; > + > return ret; > } > > diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c > index 34d37d46a126..a896bec18255 100644 > --- a/drivers/gpu/drm/i915/i915_pmu.c > +++ b/drivers/gpu/drm/i915/i915_pmu.c > @@ -407,7 +407,7 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns) > > if (pmu->enable & config_mask(I915_PMU_REQUESTED_FREQUENCY)) { > add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_REQ], > - intel_gpu_freq(rps, rps->cur_freq), > + intel_rps_get_requested_frequency(rps), > period_ns / 1000); > } > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 92392c1da0e6..a5d893625736 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -9198,6 +9198,8 @@ enum { > #define GEN9_FREQUENCY(x) ((x) << 23) > #define GEN6_OFFSET(x) ((x) << 19) > #define GEN6_AGGRESSIVE_TURBO (0 << 15) > +#define GEN9_SW_REQ_UNSLICE_RATIO_SHIFT 23 > + > #define GEN6_RC_VIDEO_FREQ _MMIO(0xA00C) > #define GEN6_RC_CONTROL _MMIO(0xA090) > #define GEN6_RC_CTL_RC6pp_ENABLE (1 << 16) > diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c > index 873bf996ceb5..346646a0b43b 100644 > --- a/drivers/gpu/drm/i915/i915_sysfs.c > +++ b/drivers/gpu/drm/i915/i915_sysfs.c > @@ -272,7 +272,7 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev, > struct drm_i915_private *i915 = kdev_minor_to_i915(kdev); > struct intel_rps *rps = &i915->gt.rps; > > - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->cur_freq)); > + return sysfs_emit(buf, "%d\n", intel_rps_get_requested_frequency(rps)); > } > > static ssize_t gt_boost_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) > @@ -326,9 +326,10 @@ static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev, > static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) > { > struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); > - struct intel_rps *rps = &dev_priv->gt.rps; > + struct intel_gt *gt = &dev_priv->gt; > + struct intel_rps *rps = >->rps; > > - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->max_freq_softlimit)); > + return sysfs_emit(buf, "%d\n", intel_rps_get_max_frequency(rps)); > } > > static ssize_t gt_max_freq_mhz_store(struct device *kdev, > @@ -336,7 +337,8 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, > const char *buf, size_t count) > { > struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); > - struct intel_rps *rps = &dev_priv->gt.rps; > + struct intel_gt *gt = &dev_priv->gt; > + struct intel_rps *rps = >->rps; > ssize_t ret; > u32 val; > > @@ -344,35 +346,7 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, > if (ret) > return ret; > > - mutex_lock(&rps->lock); > - > - val = intel_freq_opcode(rps, val); > - if (val < rps->min_freq || > - val > rps->max_freq || > - val < rps->min_freq_softlimit) { > - ret = -EINVAL; > - goto unlock; > - } > - > - if (val > rps->rp0_freq) > - DRM_DEBUG("User requested overclocking to %d\n", > - intel_gpu_freq(rps, val)); > - > - rps->max_freq_softlimit = val; > - > - val = clamp_t(int, rps->cur_freq, > - rps->min_freq_softlimit, > - rps->max_freq_softlimit); > - > - /* > - * We still need *_set_rps to process the new max_delay and > - * update the interrupt limits and PMINTRMSK even though > - * frequency request may be unchanged. > - */ > - intel_rps_set(rps, val); > - > -unlock: > - mutex_unlock(&rps->lock); > + ret = intel_rps_set_max_frequency(rps, val); > > return ret ?: count; > } > @@ -380,9 +354,10 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, > static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) > { > struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); > - struct intel_rps *rps = &dev_priv->gt.rps; > + struct intel_gt *gt = &dev_priv->gt; > + struct intel_rps *rps = >->rps; > > - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->min_freq_softlimit)); > + return sysfs_emit(buf, "%d\n", intel_rps_get_min_frequency(rps)); > } > > static ssize_t gt_min_freq_mhz_store(struct device *kdev, > @@ -398,31 +373,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev, > if (ret) > return ret; > > - mutex_lock(&rps->lock); > - > - val = intel_freq_opcode(rps, val); > - if (val < rps->min_freq || > - val > rps->max_freq || > - val > rps->max_freq_softlimit) { > - ret = -EINVAL; > - goto unlock; > - } > - > - rps->min_freq_softlimit = val; > - > - val = clamp_t(int, rps->cur_freq, > - rps->min_freq_softlimit, > - rps->max_freq_softlimit); > - > - /* > - * We still need *_set_rps to process the new min_delay and > - * update the interrupt limits and PMINTRMSK even though > - * frequency request may be unchanged. > - */ > - intel_rps_set(rps, val); > - > -unlock: > - mutex_unlock(&rps->lock); > + ret = intel_rps_set_min_frequency(rps, val); > > return ret ?: count; > } > @@ -448,11 +399,11 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr > u32 val; > > if (attr == &dev_attr_gt_RP0_freq_mhz) > - val = intel_gpu_freq(rps, rps->rp0_freq); > + val = intel_rps_get_rp0_frequency(rps); > else if (attr == &dev_attr_gt_RP1_freq_mhz) > - val = intel_gpu_freq(rps, rps->rp1_freq); > + val = intel_rps_get_rp1_frequency(rps); > else if (attr == &dev_attr_gt_RPn_freq_mhz) > - val = intel_gpu_freq(rps, rps->min_freq); > + val = intel_rps_get_rpn_frequency(rps); > else > BUG(); > > LGTM, but likely you will want someone who is more familiar with RPS to give r-b, from my side, with typo fixed, this is: Acked-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
On 7/21/2021 11:13 AM, Michal Wajdeczko wrote: > > > On 21.07.2021 18:11, Vinay Belgaumkar wrote: >> Update the get/set min/max freq hooks to work for >> SLPC case as well. Consolidate helpers for requested/min/max >> frequency get/set to intel_rps where the proper action can >> be taken depending on whether slpc is enabled. > > s/slpc/SLPC ok. > >> >> v2: Add wrappers for getting rp0/1/n frequencies, update >> softlimits in set min/max slpc functions. Also check for >> boundary conditions before setting them. >> >> v3: Address review comments (Michal W) >> >> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> >> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> >> Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com> >> --- >> drivers/gpu/drm/i915/gt/intel_rps.c | 165 ++++++++++++++++++++ >> drivers/gpu/drm/i915/gt/intel_rps.h | 11 ++ >> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 14 ++ >> drivers/gpu/drm/i915/i915_pmu.c | 2 +- >> drivers/gpu/drm/i915/i915_reg.h | 2 + >> drivers/gpu/drm/i915/i915_sysfs.c | 77 ++------- >> 6 files changed, 207 insertions(+), 64 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c >> index e858eeb2c59d..48d4147165a9 100644 >> --- a/drivers/gpu/drm/i915/gt/intel_rps.c >> +++ b/drivers/gpu/drm/i915/gt/intel_rps.c >> @@ -37,6 +37,13 @@ static struct intel_uncore *rps_to_uncore(struct intel_rps *rps) >> return rps_to_gt(rps)->uncore; >> } >> >> +static struct intel_guc_slpc *rps_to_slpc(struct intel_rps *rps) >> +{ >> + struct intel_gt *gt = rps_to_gt(rps); >> + >> + return >->uc.guc.slpc; >> +} >> + >> static bool rps_uses_slpc(struct intel_rps *rps) >> { >> struct intel_gt *gt = rps_to_gt(rps); >> @@ -1960,6 +1967,164 @@ u32 intel_rps_read_actual_frequency(struct intel_rps *rps) >> return freq; >> } >> >> +u32 intel_rps_read_punit_req(struct intel_rps *rps) >> +{ >> + struct intel_uncore *uncore = rps_to_uncore(rps); >> + >> + return intel_uncore_read(uncore, GEN6_RPNSWREQ); >> +} >> + >> +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq) >> +{ >> + u32 req = pureq >> GEN9_SW_REQ_UNSLICE_RATIO_SHIFT; >> + >> + return req; >> +} >> + >> +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps) >> +{ >> + u32 freq = intel_rps_get_req(rps, intel_rps_read_punit_req(rps)); >> + >> + return intel_gpu_freq(rps, freq); >> +} >> + >> +u32 intel_rps_get_requested_frequency(struct intel_rps *rps) >> +{ >> + if (rps_uses_slpc(rps)) >> + return intel_rps_read_punit_req_frequency(rps); >> + else >> + return intel_gpu_freq(rps, rps->cur_freq); >> +} >> + >> +u32 intel_rps_get_max_frequency(struct intel_rps *rps) >> +{ >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + >> + if (rps_uses_slpc(rps)) >> + return slpc->max_freq_softlimit; >> + else >> + return intel_gpu_freq(rps, rps->max_freq_softlimit); >> +} >> + >> +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps) >> +{ >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + >> + if (rps_uses_slpc(rps)) >> + return slpc->rp0_freq; >> + else >> + return intel_gpu_freq(rps, rps->rp0_freq); >> +} >> + >> +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps) >> +{ >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + >> + if (rps_uses_slpc(rps)) >> + return slpc->rp1_freq; >> + else >> + return intel_gpu_freq(rps, rps->rp1_freq); >> +} >> + >> +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps) >> +{ >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + >> + if (rps_uses_slpc(rps)) >> + return slpc->min_freq; >> + else >> + return intel_gpu_freq(rps, rps->min_freq); >> +} >> + >> +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val) >> +{ >> + struct drm_i915_private *i915 = rps_to_i915(rps); >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + int ret = 0; >> + >> + if (rps_uses_slpc(rps)) >> + return intel_guc_slpc_set_max_freq(slpc, val); >> + >> + mutex_lock(&rps->lock); >> + >> + val = intel_freq_opcode(rps, val); >> + if (val < rps->min_freq || >> + val > rps->max_freq || >> + val < rps->min_freq_softlimit) { >> + ret = -EINVAL; >> + goto unlock; >> + } >> + >> + if (val > rps->rp0_freq) >> + drm_dbg(&i915->drm, "User requested overclocking to %d\n", >> + intel_gpu_freq(rps, val)); >> + >> + rps->max_freq_softlimit = val; >> + >> + val = clamp_t(int, rps->cur_freq, >> + rps->min_freq_softlimit, >> + rps->max_freq_softlimit); >> + >> + /* >> + * We still need *_set_rps to process the new max_delay and >> + * update the interrupt limits and PMINTRMSK even though >> + * frequency request may be unchanged. >> + */ >> + intel_rps_set(rps, val); >> + >> +unlock: >> + mutex_unlock(&rps->lock); >> + >> + return ret; >> +} >> + >> +u32 intel_rps_get_min_frequency(struct intel_rps *rps) >> +{ >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + >> + if (rps_uses_slpc(rps)) >> + return slpc->min_freq_softlimit; >> + else >> + return intel_gpu_freq(rps, rps->min_freq_softlimit); >> +} >> + >> +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val) >> +{ >> + struct intel_guc_slpc *slpc = rps_to_slpc(rps); >> + int ret = 0; >> + >> + if (rps_uses_slpc(rps)) >> + return intel_guc_slpc_set_min_freq(slpc, val); >> + >> + mutex_lock(&rps->lock); >> + >> + val = intel_freq_opcode(rps, val); >> + if (val < rps->min_freq || >> + val > rps->max_freq || >> + val > rps->max_freq_softlimit) { >> + ret = -EINVAL; >> + goto unlock; >> + } >> + >> + rps->min_freq_softlimit = val; >> + >> + val = clamp_t(int, rps->cur_freq, >> + rps->min_freq_softlimit, >> + rps->max_freq_softlimit); >> + >> + /* >> + * We still need *_set_rps to process the new min_delay and >> + * update the interrupt limits and PMINTRMSK even though >> + * frequency request may be unchanged. >> + */ >> + intel_rps_set(rps, val); >> + >> +unlock: >> + mutex_unlock(&rps->lock); >> + >> + return ret; >> +} >> + >> /* External interface for intel_ips.ko */ >> >> static struct drm_i915_private __rcu *ips_mchdev; >> diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h >> index 1d2cfc98b510..6a66690dfb0f 100644 >> --- a/drivers/gpu/drm/i915/gt/intel_rps.h >> +++ b/drivers/gpu/drm/i915/gt/intel_rps.h >> @@ -31,6 +31,17 @@ int intel_gpu_freq(struct intel_rps *rps, int val); >> int intel_freq_opcode(struct intel_rps *rps, int val); >> u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat1); >> u32 intel_rps_read_actual_frequency(struct intel_rps *rps); >> +u32 intel_rps_get_requested_frequency(struct intel_rps *rps); >> +u32 intel_rps_get_min_frequency(struct intel_rps *rps); >> +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val); >> +u32 intel_rps_get_max_frequency(struct intel_rps *rps); >> +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val); >> +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps); >> +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps); >> +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps); >> +u32 intel_rps_read_punit_req(struct intel_rps *rps); >> +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq); >> +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps); >> >> void gen5_rps_irq_handler(struct intel_rps *rps); >> void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir); >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c >> index 134c57ca10b7..05d8870ec6da 100644 >> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c >> @@ -301,6 +301,11 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) >> struct drm_i915_private *i915 = slpc_to_i915(slpc); >> intel_wakeref_t wakeref; >> >> + if ((val < slpc->min_freq) || >> + (val > slpc->rp0_freq) || >> + (val < slpc->min_freq_softlimit)) >> + return -EINVAL; >> + >> with_intel_runtime_pm(&i915->runtime_pm, wakeref) { >> ret = slpc_set_param(slpc, >> SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ, >> @@ -313,6 +318,8 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) >> } >> } >> >> + slpc->max_freq_softlimit = val; >> + >> return ret; >> } >> >> @@ -359,6 +366,11 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) >> struct drm_i915_private *i915 = guc_to_gt(guc)->i915; >> intel_wakeref_t wakeref; >> >> + if ((val < slpc->min_freq) || >> + (val > slpc->rp0_freq) || >> + (val > slpc->max_freq_softlimit)) >> + return -EINVAL; >> + >> with_intel_runtime_pm(&i915->runtime_pm, wakeref) { >> ret = slpc_set_param(slpc, >> SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, >> @@ -371,6 +383,8 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) >> } >> } >> >> + slpc->min_freq_softlimit = val; >> + >> return ret; >> } >> >> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c >> index 34d37d46a126..a896bec18255 100644 >> --- a/drivers/gpu/drm/i915/i915_pmu.c >> +++ b/drivers/gpu/drm/i915/i915_pmu.c >> @@ -407,7 +407,7 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns) >> >> if (pmu->enable & config_mask(I915_PMU_REQUESTED_FREQUENCY)) { >> add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_REQ], >> - intel_gpu_freq(rps, rps->cur_freq), >> + intel_rps_get_requested_frequency(rps), >> period_ns / 1000); >> } >> >> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h >> index 92392c1da0e6..a5d893625736 100644 >> --- a/drivers/gpu/drm/i915/i915_reg.h >> +++ b/drivers/gpu/drm/i915/i915_reg.h >> @@ -9198,6 +9198,8 @@ enum { >> #define GEN9_FREQUENCY(x) ((x) << 23) >> #define GEN6_OFFSET(x) ((x) << 19) >> #define GEN6_AGGRESSIVE_TURBO (0 << 15) >> +#define GEN9_SW_REQ_UNSLICE_RATIO_SHIFT 23 >> + >> #define GEN6_RC_VIDEO_FREQ _MMIO(0xA00C) >> #define GEN6_RC_CONTROL _MMIO(0xA090) >> #define GEN6_RC_CTL_RC6pp_ENABLE (1 << 16) >> diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c >> index 873bf996ceb5..346646a0b43b 100644 >> --- a/drivers/gpu/drm/i915/i915_sysfs.c >> +++ b/drivers/gpu/drm/i915/i915_sysfs.c >> @@ -272,7 +272,7 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev, >> struct drm_i915_private *i915 = kdev_minor_to_i915(kdev); >> struct intel_rps *rps = &i915->gt.rps; >> >> - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->cur_freq)); >> + return sysfs_emit(buf, "%d\n", intel_rps_get_requested_frequency(rps)); >> } >> >> static ssize_t gt_boost_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) >> @@ -326,9 +326,10 @@ static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev, >> static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) >> { >> struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); >> - struct intel_rps *rps = &dev_priv->gt.rps; >> + struct intel_gt *gt = &dev_priv->gt; >> + struct intel_rps *rps = >->rps; >> >> - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->max_freq_softlimit)); >> + return sysfs_emit(buf, "%d\n", intel_rps_get_max_frequency(rps)); >> } >> >> static ssize_t gt_max_freq_mhz_store(struct device *kdev, >> @@ -336,7 +337,8 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, >> const char *buf, size_t count) >> { >> struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); >> - struct intel_rps *rps = &dev_priv->gt.rps; >> + struct intel_gt *gt = &dev_priv->gt; >> + struct intel_rps *rps = >->rps; >> ssize_t ret; >> u32 val; >> >> @@ -344,35 +346,7 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, >> if (ret) >> return ret; >> >> - mutex_lock(&rps->lock); >> - >> - val = intel_freq_opcode(rps, val); >> - if (val < rps->min_freq || >> - val > rps->max_freq || >> - val < rps->min_freq_softlimit) { >> - ret = -EINVAL; >> - goto unlock; >> - } >> - >> - if (val > rps->rp0_freq) >> - DRM_DEBUG("User requested overclocking to %d\n", >> - intel_gpu_freq(rps, val)); >> - >> - rps->max_freq_softlimit = val; >> - >> - val = clamp_t(int, rps->cur_freq, >> - rps->min_freq_softlimit, >> - rps->max_freq_softlimit); >> - >> - /* >> - * We still need *_set_rps to process the new max_delay and >> - * update the interrupt limits and PMINTRMSK even though >> - * frequency request may be unchanged. >> - */ >> - intel_rps_set(rps, val); >> - >> -unlock: >> - mutex_unlock(&rps->lock); >> + ret = intel_rps_set_max_frequency(rps, val); >> >> return ret ?: count; >> } >> @@ -380,9 +354,10 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, >> static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) >> { >> struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); >> - struct intel_rps *rps = &dev_priv->gt.rps; >> + struct intel_gt *gt = &dev_priv->gt; >> + struct intel_rps *rps = >->rps; >> >> - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->min_freq_softlimit)); >> + return sysfs_emit(buf, "%d\n", intel_rps_get_min_frequency(rps)); >> } >> >> static ssize_t gt_min_freq_mhz_store(struct device *kdev, >> @@ -398,31 +373,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev, >> if (ret) >> return ret; >> >> - mutex_lock(&rps->lock); >> - >> - val = intel_freq_opcode(rps, val); >> - if (val < rps->min_freq || >> - val > rps->max_freq || >> - val > rps->max_freq_softlimit) { >> - ret = -EINVAL; >> - goto unlock; >> - } >> - >> - rps->min_freq_softlimit = val; >> - >> - val = clamp_t(int, rps->cur_freq, >> - rps->min_freq_softlimit, >> - rps->max_freq_softlimit); >> - >> - /* >> - * We still need *_set_rps to process the new min_delay and >> - * update the interrupt limits and PMINTRMSK even though >> - * frequency request may be unchanged. >> - */ >> - intel_rps_set(rps, val); >> - >> -unlock: >> - mutex_unlock(&rps->lock); >> + ret = intel_rps_set_min_frequency(rps, val); >> >> return ret ?: count; >> } >> @@ -448,11 +399,11 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr >> u32 val; >> >> if (attr == &dev_attr_gt_RP0_freq_mhz) >> - val = intel_gpu_freq(rps, rps->rp0_freq); >> + val = intel_rps_get_rp0_frequency(rps); >> else if (attr == &dev_attr_gt_RP1_freq_mhz) >> - val = intel_gpu_freq(rps, rps->rp1_freq); >> + val = intel_rps_get_rp1_frequency(rps); >> else if (attr == &dev_attr_gt_RPn_freq_mhz) >> - val = intel_gpu_freq(rps, rps->min_freq); >> + val = intel_rps_get_rpn_frequency(rps); >> else >> BUG(); >> >> > > LGTM, but likely you will want someone who is more familiar with RPS to > give r-b, from my side, with typo fixed, this is: Thanks, Vinay. > > Acked-by: Michal Wajdeczko <michal.wajdeczko@intel.com> >
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index e858eeb2c59d..48d4147165a9 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -37,6 +37,13 @@ static struct intel_uncore *rps_to_uncore(struct intel_rps *rps) return rps_to_gt(rps)->uncore; } +static struct intel_guc_slpc *rps_to_slpc(struct intel_rps *rps) +{ + struct intel_gt *gt = rps_to_gt(rps); + + return >->uc.guc.slpc; +} + static bool rps_uses_slpc(struct intel_rps *rps) { struct intel_gt *gt = rps_to_gt(rps); @@ -1960,6 +1967,164 @@ u32 intel_rps_read_actual_frequency(struct intel_rps *rps) return freq; } +u32 intel_rps_read_punit_req(struct intel_rps *rps) +{ + struct intel_uncore *uncore = rps_to_uncore(rps); + + return intel_uncore_read(uncore, GEN6_RPNSWREQ); +} + +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq) +{ + u32 req = pureq >> GEN9_SW_REQ_UNSLICE_RATIO_SHIFT; + + return req; +} + +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps) +{ + u32 freq = intel_rps_get_req(rps, intel_rps_read_punit_req(rps)); + + return intel_gpu_freq(rps, freq); +} + +u32 intel_rps_get_requested_frequency(struct intel_rps *rps) +{ + if (rps_uses_slpc(rps)) + return intel_rps_read_punit_req_frequency(rps); + else + return intel_gpu_freq(rps, rps->cur_freq); +} + +u32 intel_rps_get_max_frequency(struct intel_rps *rps) +{ + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + + if (rps_uses_slpc(rps)) + return slpc->max_freq_softlimit; + else + return intel_gpu_freq(rps, rps->max_freq_softlimit); +} + +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps) +{ + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + + if (rps_uses_slpc(rps)) + return slpc->rp0_freq; + else + return intel_gpu_freq(rps, rps->rp0_freq); +} + +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps) +{ + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + + if (rps_uses_slpc(rps)) + return slpc->rp1_freq; + else + return intel_gpu_freq(rps, rps->rp1_freq); +} + +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps) +{ + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + + if (rps_uses_slpc(rps)) + return slpc->min_freq; + else + return intel_gpu_freq(rps, rps->min_freq); +} + +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val) +{ + struct drm_i915_private *i915 = rps_to_i915(rps); + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + int ret = 0; + + if (rps_uses_slpc(rps)) + return intel_guc_slpc_set_max_freq(slpc, val); + + mutex_lock(&rps->lock); + + val = intel_freq_opcode(rps, val); + if (val < rps->min_freq || + val > rps->max_freq || + val < rps->min_freq_softlimit) { + ret = -EINVAL; + goto unlock; + } + + if (val > rps->rp0_freq) + drm_dbg(&i915->drm, "User requested overclocking to %d\n", + intel_gpu_freq(rps, val)); + + rps->max_freq_softlimit = val; + + val = clamp_t(int, rps->cur_freq, + rps->min_freq_softlimit, + rps->max_freq_softlimit); + + /* + * We still need *_set_rps to process the new max_delay and + * update the interrupt limits and PMINTRMSK even though + * frequency request may be unchanged. + */ + intel_rps_set(rps, val); + +unlock: + mutex_unlock(&rps->lock); + + return ret; +} + +u32 intel_rps_get_min_frequency(struct intel_rps *rps) +{ + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + + if (rps_uses_slpc(rps)) + return slpc->min_freq_softlimit; + else + return intel_gpu_freq(rps, rps->min_freq_softlimit); +} + +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val) +{ + struct intel_guc_slpc *slpc = rps_to_slpc(rps); + int ret = 0; + + if (rps_uses_slpc(rps)) + return intel_guc_slpc_set_min_freq(slpc, val); + + mutex_lock(&rps->lock); + + val = intel_freq_opcode(rps, val); + if (val < rps->min_freq || + val > rps->max_freq || + val > rps->max_freq_softlimit) { + ret = -EINVAL; + goto unlock; + } + + rps->min_freq_softlimit = val; + + val = clamp_t(int, rps->cur_freq, + rps->min_freq_softlimit, + rps->max_freq_softlimit); + + /* + * We still need *_set_rps to process the new min_delay and + * update the interrupt limits and PMINTRMSK even though + * frequency request may be unchanged. + */ + intel_rps_set(rps, val); + +unlock: + mutex_unlock(&rps->lock); + + return ret; +} + /* External interface for intel_ips.ko */ static struct drm_i915_private __rcu *ips_mchdev; diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h index 1d2cfc98b510..6a66690dfb0f 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.h +++ b/drivers/gpu/drm/i915/gt/intel_rps.h @@ -31,6 +31,17 @@ int intel_gpu_freq(struct intel_rps *rps, int val); int intel_freq_opcode(struct intel_rps *rps, int val); u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat1); u32 intel_rps_read_actual_frequency(struct intel_rps *rps); +u32 intel_rps_get_requested_frequency(struct intel_rps *rps); +u32 intel_rps_get_min_frequency(struct intel_rps *rps); +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val); +u32 intel_rps_get_max_frequency(struct intel_rps *rps); +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val); +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps); +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps); +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps); +u32 intel_rps_read_punit_req(struct intel_rps *rps); +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq); +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps); void gen5_rps_irq_handler(struct intel_rps *rps); void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index 134c57ca10b7..05d8870ec6da 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -301,6 +301,11 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) struct drm_i915_private *i915 = slpc_to_i915(slpc); intel_wakeref_t wakeref; + if ((val < slpc->min_freq) || + (val > slpc->rp0_freq) || + (val < slpc->min_freq_softlimit)) + return -EINVAL; + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { ret = slpc_set_param(slpc, SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ, @@ -313,6 +318,8 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) } } + slpc->max_freq_softlimit = val; + return ret; } @@ -359,6 +366,11 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) struct drm_i915_private *i915 = guc_to_gt(guc)->i915; intel_wakeref_t wakeref; + if ((val < slpc->min_freq) || + (val > slpc->rp0_freq) || + (val > slpc->max_freq_softlimit)) + return -EINVAL; + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { ret = slpc_set_param(slpc, SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, @@ -371,6 +383,8 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) } } + slpc->min_freq_softlimit = val; + return ret; } diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 34d37d46a126..a896bec18255 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -407,7 +407,7 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns) if (pmu->enable & config_mask(I915_PMU_REQUESTED_FREQUENCY)) { add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_REQ], - intel_gpu_freq(rps, rps->cur_freq), + intel_rps_get_requested_frequency(rps), period_ns / 1000); } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 92392c1da0e6..a5d893625736 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -9198,6 +9198,8 @@ enum { #define GEN9_FREQUENCY(x) ((x) << 23) #define GEN6_OFFSET(x) ((x) << 19) #define GEN6_AGGRESSIVE_TURBO (0 << 15) +#define GEN9_SW_REQ_UNSLICE_RATIO_SHIFT 23 + #define GEN6_RC_VIDEO_FREQ _MMIO(0xA00C) #define GEN6_RC_CONTROL _MMIO(0xA090) #define GEN6_RC_CTL_RC6pp_ENABLE (1 << 16) diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index 873bf996ceb5..346646a0b43b 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -272,7 +272,7 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev, struct drm_i915_private *i915 = kdev_minor_to_i915(kdev); struct intel_rps *rps = &i915->gt.rps; - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->cur_freq)); + return sysfs_emit(buf, "%d\n", intel_rps_get_requested_frequency(rps)); } static ssize_t gt_boost_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) @@ -326,9 +326,10 @@ static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev, static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) { struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); - struct intel_rps *rps = &dev_priv->gt.rps; + struct intel_gt *gt = &dev_priv->gt; + struct intel_rps *rps = >->rps; - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->max_freq_softlimit)); + return sysfs_emit(buf, "%d\n", intel_rps_get_max_frequency(rps)); } static ssize_t gt_max_freq_mhz_store(struct device *kdev, @@ -336,7 +337,8 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, const char *buf, size_t count) { struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); - struct intel_rps *rps = &dev_priv->gt.rps; + struct intel_gt *gt = &dev_priv->gt; + struct intel_rps *rps = >->rps; ssize_t ret; u32 val; @@ -344,35 +346,7 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, if (ret) return ret; - mutex_lock(&rps->lock); - - val = intel_freq_opcode(rps, val); - if (val < rps->min_freq || - val > rps->max_freq || - val < rps->min_freq_softlimit) { - ret = -EINVAL; - goto unlock; - } - - if (val > rps->rp0_freq) - DRM_DEBUG("User requested overclocking to %d\n", - intel_gpu_freq(rps, val)); - - rps->max_freq_softlimit = val; - - val = clamp_t(int, rps->cur_freq, - rps->min_freq_softlimit, - rps->max_freq_softlimit); - - /* - * We still need *_set_rps to process the new max_delay and - * update the interrupt limits and PMINTRMSK even though - * frequency request may be unchanged. - */ - intel_rps_set(rps, val); - -unlock: - mutex_unlock(&rps->lock); + ret = intel_rps_set_max_frequency(rps, val); return ret ?: count; } @@ -380,9 +354,10 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev, static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) { struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); - struct intel_rps *rps = &dev_priv->gt.rps; + struct intel_gt *gt = &dev_priv->gt; + struct intel_rps *rps = >->rps; - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->min_freq_softlimit)); + return sysfs_emit(buf, "%d\n", intel_rps_get_min_frequency(rps)); } static ssize_t gt_min_freq_mhz_store(struct device *kdev, @@ -398,31 +373,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev, if (ret) return ret; - mutex_lock(&rps->lock); - - val = intel_freq_opcode(rps, val); - if (val < rps->min_freq || - val > rps->max_freq || - val > rps->max_freq_softlimit) { - ret = -EINVAL; - goto unlock; - } - - rps->min_freq_softlimit = val; - - val = clamp_t(int, rps->cur_freq, - rps->min_freq_softlimit, - rps->max_freq_softlimit); - - /* - * We still need *_set_rps to process the new min_delay and - * update the interrupt limits and PMINTRMSK even though - * frequency request may be unchanged. - */ - intel_rps_set(rps, val); - -unlock: - mutex_unlock(&rps->lock); + ret = intel_rps_set_min_frequency(rps, val); return ret ?: count; } @@ -448,11 +399,11 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr u32 val; if (attr == &dev_attr_gt_RP0_freq_mhz) - val = intel_gpu_freq(rps, rps->rp0_freq); + val = intel_rps_get_rp0_frequency(rps); else if (attr == &dev_attr_gt_RP1_freq_mhz) - val = intel_gpu_freq(rps, rps->rp1_freq); + val = intel_rps_get_rp1_frequency(rps); else if (attr == &dev_attr_gt_RPn_freq_mhz) - val = intel_gpu_freq(rps, rps->min_freq); + val = intel_rps_get_rpn_frequency(rps); else BUG();