| Message ID | 20210721161120.24610-3-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: > Add macros to check for SLPC support. This feature is currently supported > for Gen12+ and enabled whenever GuC submission is enabled/selected. > > Include templates for SLPC init/fini and enable. > > v2: Move SLPC helper functions to intel_guc_slpc.c/.h. Define basic > template for SLPC structure in intel_guc_slpc_types.h. Fix copyright (Michal W) > > Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> > Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> > Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> > > drm/i915/guc/slpc: Lay out slpc init/enable/fini > > Declare init/fini and enable function templates. > > v2: Rebase > > Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> > Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> > --- > drivers/gpu/drm/i915/Makefile | 1 + > drivers/gpu/drm/i915/gt/uc/intel_guc.c | 2 + > drivers/gpu/drm/i915/gt/uc/intel_guc.h | 4 ++ > drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 63 +++++++++++++++++++ > drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 33 ++++++++++ > .../gpu/drm/i915/gt/uc/intel_guc_slpc_types.h | 15 +++++ > drivers/gpu/drm/i915/gt/uc/intel_uc.c | 6 +- > drivers/gpu/drm/i915/gt/uc/intel_uc.h | 2 + > 8 files changed, 124 insertions(+), 2 deletions(-) > create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c > create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h > create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h > > diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile > index ab7679957623..d8eac4468df9 100644 > --- a/drivers/gpu/drm/i915/Makefile > +++ b/drivers/gpu/drm/i915/Makefile > @@ -186,6 +186,7 @@ i915-y += gt/uc/intel_uc.o \ > gt/uc/intel_guc_fw.o \ > gt/uc/intel_guc_log.o \ > gt/uc/intel_guc_log_debugfs.o \ > + gt/uc/intel_guc_slpc.o \ > gt/uc/intel_guc_submission.o \ > gt/uc/intel_huc.o \ > gt/uc/intel_huc_debugfs.o \ > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c > index 979128e28372..39bc3c16057b 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c > @@ -7,6 +7,7 @@ > #include "gt/intel_gt_irq.h" > #include "gt/intel_gt_pm_irq.h" > #include "intel_guc.h" > +#include "intel_guc_slpc.h" > #include "intel_guc_ads.h" > #include "intel_guc_submission.h" > #include "i915_drv.h" > @@ -157,6 +158,7 @@ void intel_guc_init_early(struct intel_guc *guc) > intel_guc_ct_init_early(&guc->ct); > intel_guc_log_init_early(&guc->log); > intel_guc_submission_init_early(guc); > + intel_guc_slpc_init_early(&guc->slpc); > > mutex_init(&guc->send_mutex); > spin_lock_init(&guc->irq_lock); > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h > index 9c62c68fb132..8cecfad9d7b1 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h > @@ -15,6 +15,7 @@ > #include "intel_guc_ct.h" > #include "intel_guc_log.h" > #include "intel_guc_reg.h" > +#include "intel_guc_slpc_types.h" > #include "intel_uc_fw.h" > #include "i915_utils.h" > #include "i915_vma.h" > @@ -30,6 +31,7 @@ struct intel_guc { > struct intel_uc_fw fw; > struct intel_guc_log log; > struct intel_guc_ct ct; > + struct intel_guc_slpc slpc; > > /* Global engine used to submit requests to GuC */ > struct i915_sched_engine *sched_engine; > @@ -57,6 +59,8 @@ struct intel_guc { > > bool submission_supported; > bool submission_selected; > + bool slpc_supported; > + bool slpc_selected; > > struct i915_vma *ads_vma; > struct __guc_ads_blob *ads_blob; > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c > new file mode 100644 > index 000000000000..d9feb430ce35 > --- /dev/null > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c > @@ -0,0 +1,63 @@ > +// SPDX-License-Identifier: MIT > +/* > + * Copyright © 2021 Intel Corporation > + */ > + > +#include "i915_drv.h" > +#include "intel_guc_slpc.h" > +#include "gt/intel_gt.h" > + > +static inline struct intel_guc *slpc_to_guc(struct intel_guc_slpc *slpc) > +{ > + return container_of(slpc, struct intel_guc, slpc); > +} > + > +static bool __detect_slpc_supported(struct intel_guc *guc) > +{ > + /* GuC SLPC is unavailable for pre-Gen12 */ > + return guc->submission_supported && > + GRAPHICS_VER(guc_to_gt(guc)->i915) >= 12; > +} > + > +static bool __guc_slpc_selected(struct intel_guc *guc) > +{ > + if (!intel_guc_slpc_is_supported(guc)) > + return false; > + > + return guc->submission_selected; > +} > + > +void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc) > +{ > + struct intel_guc *guc = slpc_to_guc(slpc); > + > + guc->slpc_supported = __detect_slpc_supported(guc); > + guc->slpc_selected = __guc_slpc_selected(guc); > +} > + > +int intel_guc_slpc_init(struct intel_guc_slpc *slpc) > +{ > + return 0; > +} > + > +/* > + * intel_guc_slpc_enable() - Start SLPC > + * @slpc: pointer to intel_guc_slpc. > + * > + * SLPC is enabled by setting up the shared data structure and > + * sending reset event to GuC SLPC. Initial data is setup in > + * intel_guc_slpc_init. Here we send the reset event. We do > + * not currently need a slpc_disable since this is taken care s/slpc/SLPC > + * of automatically when a reset/suspend occurs and the GuC > + * CTB is destroyed. quite large description of the empty function ;) better to add it together with actual body > + * > + * Return: 0 on success, non-zero error code on failure. > + */ > +int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) > +{ > + return 0; > +} > + > +void intel_guc_slpc_fini(struct intel_guc_slpc *slpc) > +{ > +} > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h > new file mode 100644 > index 000000000000..c3b0ad7f0f93 > --- /dev/null > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h > @@ -0,0 +1,33 @@ > +/* SPDX-License-Identifier: MIT */ > +/* > + * Copyright © 2021 Intel Corporation > + */ > + > +#ifndef _INTEL_GUC_SLPC_H_ > +#define _INTEL_GUC_SLPC_H_ > + > +#include "intel_guc_submission.h" > +#include "intel_guc_slpc_types.h" > + > +static inline bool intel_guc_slpc_is_supported(struct intel_guc *guc) > +{ > + return guc->slpc_supported; > +} > + > +static inline bool intel_guc_slpc_is_wanted(struct intel_guc *guc) > +{ > + return guc->slpc_selected; > +} > + > +static inline bool intel_guc_slpc_is_used(struct intel_guc *guc) > +{ > + return intel_guc_submission_is_used(guc) && intel_guc_slpc_is_wanted(guc); > +} > + > +void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc); > + > +int intel_guc_slpc_init(struct intel_guc_slpc *slpc); > +int intel_guc_slpc_enable(struct intel_guc_slpc *slpc); > +void intel_guc_slpc_fini(struct intel_guc_slpc *slpc); > + > +#endif > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h > new file mode 100644 > index 000000000000..b85148265b1f > --- /dev/null > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h > @@ -0,0 +1,15 @@ > +/* SPDX-License-Identifier: MIT */ > +/* > + * Copyright © 2021 Intel Corporation > + */ > + > +#ifndef _INTEL_GUC_SLPC_TYPES_H_ > +#define _INTEL_GUC_SLPC_TYPES_H_ > + > +#include <linux/types.h> likely not needed at this point, add when needed > + > +struct intel_guc_slpc { > + no need to have this empty line Thanks, Michal > +}; > + > +#endif > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c > index da57d18d9f6b..e6bd9406c7b2 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c > +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c > @@ -75,16 +75,18 @@ static void __confirm_options(struct intel_uc *uc) > struct drm_i915_private *i915 = uc_to_gt(uc)->i915; > > drm_dbg(&i915->drm, > - "enable_guc=%d (guc:%s submission:%s huc:%s)\n", > + "enable_guc=%d (guc:%s submission:%s huc:%s slpc:%s)\n", > i915->params.enable_guc, > yesno(intel_uc_wants_guc(uc)), > yesno(intel_uc_wants_guc_submission(uc)), > - yesno(intel_uc_wants_huc(uc))); > + yesno(intel_uc_wants_huc(uc)), > + yesno(intel_uc_wants_guc_slpc(uc))); > > if (i915->params.enable_guc == 0) { > GEM_BUG_ON(intel_uc_wants_guc(uc)); > GEM_BUG_ON(intel_uc_wants_guc_submission(uc)); > GEM_BUG_ON(intel_uc_wants_huc(uc)); > + GEM_BUG_ON(intel_uc_wants_guc_slpc(uc)); > return; > } > > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h > index e2da2b6e76e1..925a58ca6b94 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h > +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h > @@ -8,6 +8,7 @@ > > #include "intel_guc.h" > #include "intel_guc_submission.h" > +#include "intel_guc_slpc.h" > #include "intel_huc.h" > #include "i915_params.h" > > @@ -83,6 +84,7 @@ __uc_state_checker(x, func, uses, used) > uc_state_checkers(guc, guc); > uc_state_checkers(huc, huc); > uc_state_checkers(guc, guc_submission); > +uc_state_checkers(guc, guc_slpc); > > #undef uc_state_checkers > #undef __uc_state_checker >
On 7/21/2021 10:24 AM, Michal Wajdeczko wrote: > > > On 21.07.2021 18:11, Vinay Belgaumkar wrote: >> Add macros to check for SLPC support. This feature is currently supported >> for Gen12+ and enabled whenever GuC submission is enabled/selected. >> >> Include templates for SLPC init/fini and enable. >> >> v2: Move SLPC helper functions to intel_guc_slpc.c/.h. Define basic >> template for SLPC structure in intel_guc_slpc_types.h. Fix copyright (Michal W) >> >> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> >> Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> >> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> >> >> drm/i915/guc/slpc: Lay out slpc init/enable/fini >> >> Declare init/fini and enable function templates. >> >> v2: Rebase >> >> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> >> Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> >> --- >> drivers/gpu/drm/i915/Makefile | 1 + >> drivers/gpu/drm/i915/gt/uc/intel_guc.c | 2 + >> drivers/gpu/drm/i915/gt/uc/intel_guc.h | 4 ++ >> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 63 +++++++++++++++++++ >> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 33 ++++++++++ >> .../gpu/drm/i915/gt/uc/intel_guc_slpc_types.h | 15 +++++ >> drivers/gpu/drm/i915/gt/uc/intel_uc.c | 6 +- >> drivers/gpu/drm/i915/gt/uc/intel_uc.h | 2 + >> 8 files changed, 124 insertions(+), 2 deletions(-) >> create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c >> create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h >> create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h >> >> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile >> index ab7679957623..d8eac4468df9 100644 >> --- a/drivers/gpu/drm/i915/Makefile >> +++ b/drivers/gpu/drm/i915/Makefile >> @@ -186,6 +186,7 @@ i915-y += gt/uc/intel_uc.o \ >> gt/uc/intel_guc_fw.o \ >> gt/uc/intel_guc_log.o \ >> gt/uc/intel_guc_log_debugfs.o \ >> + gt/uc/intel_guc_slpc.o \ >> gt/uc/intel_guc_submission.o \ >> gt/uc/intel_huc.o \ >> gt/uc/intel_huc_debugfs.o \ >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c >> index 979128e28372..39bc3c16057b 100644 >> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c >> @@ -7,6 +7,7 @@ >> #include "gt/intel_gt_irq.h" >> #include "gt/intel_gt_pm_irq.h" >> #include "intel_guc.h" >> +#include "intel_guc_slpc.h" >> #include "intel_guc_ads.h" >> #include "intel_guc_submission.h" >> #include "i915_drv.h" >> @@ -157,6 +158,7 @@ void intel_guc_init_early(struct intel_guc *guc) >> intel_guc_ct_init_early(&guc->ct); >> intel_guc_log_init_early(&guc->log); >> intel_guc_submission_init_early(guc); >> + intel_guc_slpc_init_early(&guc->slpc); >> >> mutex_init(&guc->send_mutex); >> spin_lock_init(&guc->irq_lock); >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h >> index 9c62c68fb132..8cecfad9d7b1 100644 >> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h >> @@ -15,6 +15,7 @@ >> #include "intel_guc_ct.h" >> #include "intel_guc_log.h" >> #include "intel_guc_reg.h" >> +#include "intel_guc_slpc_types.h" >> #include "intel_uc_fw.h" >> #include "i915_utils.h" >> #include "i915_vma.h" >> @@ -30,6 +31,7 @@ struct intel_guc { >> struct intel_uc_fw fw; >> struct intel_guc_log log; >> struct intel_guc_ct ct; >> + struct intel_guc_slpc slpc; >> >> /* Global engine used to submit requests to GuC */ >> struct i915_sched_engine *sched_engine; >> @@ -57,6 +59,8 @@ struct intel_guc { >> >> bool submission_supported; >> bool submission_selected; >> + bool slpc_supported; >> + bool slpc_selected; >> >> struct i915_vma *ads_vma; >> struct __guc_ads_blob *ads_blob; >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c >> new file mode 100644 >> index 000000000000..d9feb430ce35 >> --- /dev/null >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c >> @@ -0,0 +1,63 @@ >> +// SPDX-License-Identifier: MIT >> +/* >> + * Copyright © 2021 Intel Corporation >> + */ >> + >> +#include "i915_drv.h" >> +#include "intel_guc_slpc.h" >> +#include "gt/intel_gt.h" >> + >> +static inline struct intel_guc *slpc_to_guc(struct intel_guc_slpc *slpc) >> +{ >> + return container_of(slpc, struct intel_guc, slpc); >> +} >> + >> +static bool __detect_slpc_supported(struct intel_guc *guc) >> +{ >> + /* GuC SLPC is unavailable for pre-Gen12 */ >> + return guc->submission_supported && >> + GRAPHICS_VER(guc_to_gt(guc)->i915) >= 12; >> +} >> + >> +static bool __guc_slpc_selected(struct intel_guc *guc) >> +{ >> + if (!intel_guc_slpc_is_supported(guc)) >> + return false; >> + >> + return guc->submission_selected; >> +} >> + >> +void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc) >> +{ >> + struct intel_guc *guc = slpc_to_guc(slpc); >> + >> + guc->slpc_supported = __detect_slpc_supported(guc); >> + guc->slpc_selected = __guc_slpc_selected(guc); >> +} >> + >> +int intel_guc_slpc_init(struct intel_guc_slpc *slpc) >> +{ >> + return 0; >> +} >> + >> +/* >> + * intel_guc_slpc_enable() - Start SLPC >> + * @slpc: pointer to intel_guc_slpc. >> + * >> + * SLPC is enabled by setting up the shared data structure and >> + * sending reset event to GuC SLPC. Initial data is setup in >> + * intel_guc_slpc_init. Here we send the reset event. We do >> + * not currently need a slpc_disable since this is taken care > > s/slpc/SLPC ok. > >> + * of automatically when a reset/suspend occurs and the GuC >> + * CTB is destroyed. > > quite large description of the empty function ;) > better to add it together with actual body Sure, will move to next patch that defines it fully. > >> + * >> + * Return: 0 on success, non-zero error code on failure. >> + */ >> +int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) >> +{ >> + return 0; >> +} >> + >> +void intel_guc_slpc_fini(struct intel_guc_slpc *slpc) >> +{ >> +} >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h >> new file mode 100644 >> index 000000000000..c3b0ad7f0f93 >> --- /dev/null >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h >> @@ -0,0 +1,33 @@ >> +/* SPDX-License-Identifier: MIT */ >> +/* >> + * Copyright © 2021 Intel Corporation >> + */ >> + >> +#ifndef _INTEL_GUC_SLPC_H_ >> +#define _INTEL_GUC_SLPC_H_ >> + >> +#include "intel_guc_submission.h" >> +#include "intel_guc_slpc_types.h" >> + >> +static inline bool intel_guc_slpc_is_supported(struct intel_guc *guc) >> +{ >> + return guc->slpc_supported; >> +} >> + >> +static inline bool intel_guc_slpc_is_wanted(struct intel_guc *guc) >> +{ >> + return guc->slpc_selected; >> +} >> + >> +static inline bool intel_guc_slpc_is_used(struct intel_guc *guc) >> +{ >> + return intel_guc_submission_is_used(guc) && intel_guc_slpc_is_wanted(guc); >> +} >> + >> +void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc); >> + >> +int intel_guc_slpc_init(struct intel_guc_slpc *slpc); >> +int intel_guc_slpc_enable(struct intel_guc_slpc *slpc); >> +void intel_guc_slpc_fini(struct intel_guc_slpc *slpc); >> + >> +#endif >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h >> new file mode 100644 >> index 000000000000..b85148265b1f >> --- /dev/null >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h >> @@ -0,0 +1,15 @@ >> +/* SPDX-License-Identifier: MIT */ >> +/* >> + * Copyright © 2021 Intel Corporation >> + */ >> + >> +#ifndef _INTEL_GUC_SLPC_TYPES_H_ >> +#define _INTEL_GUC_SLPC_TYPES_H_ >> + >> +#include <linux/types.h> > > likely not needed at this point, add when needed ok. > >> + >> +struct intel_guc_slpc { >> + > > no need to have this empty line > Done. Thanks, Vinay. > Thanks, > Michal > >> +}; >> + >> +#endif >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c >> index da57d18d9f6b..e6bd9406c7b2 100644 >> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c >> @@ -75,16 +75,18 @@ static void __confirm_options(struct intel_uc *uc) >> struct drm_i915_private *i915 = uc_to_gt(uc)->i915; >> >> drm_dbg(&i915->drm, >> - "enable_guc=%d (guc:%s submission:%s huc:%s)\n", >> + "enable_guc=%d (guc:%s submission:%s huc:%s slpc:%s)\n", >> i915->params.enable_guc, >> yesno(intel_uc_wants_guc(uc)), >> yesno(intel_uc_wants_guc_submission(uc)), >> - yesno(intel_uc_wants_huc(uc))); >> + yesno(intel_uc_wants_huc(uc)), >> + yesno(intel_uc_wants_guc_slpc(uc))); >> >> if (i915->params.enable_guc == 0) { >> GEM_BUG_ON(intel_uc_wants_guc(uc)); >> GEM_BUG_ON(intel_uc_wants_guc_submission(uc)); >> GEM_BUG_ON(intel_uc_wants_huc(uc)); >> + GEM_BUG_ON(intel_uc_wants_guc_slpc(uc)); >> return; >> } >> >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h >> index e2da2b6e76e1..925a58ca6b94 100644 >> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h >> @@ -8,6 +8,7 @@ >> >> #include "intel_guc.h" >> #include "intel_guc_submission.h" >> +#include "intel_guc_slpc.h" >> #include "intel_huc.h" >> #include "i915_params.h" >> >> @@ -83,6 +84,7 @@ __uc_state_checker(x, func, uses, used) >> uc_state_checkers(guc, guc); >> uc_state_checkers(huc, huc); >> uc_state_checkers(guc, guc_submission); >> +uc_state_checkers(guc, guc_slpc); >> >> #undef uc_state_checkers >> #undef __uc_state_checker >> >
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index ab7679957623..d8eac4468df9 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -186,6 +186,7 @@ i915-y += gt/uc/intel_uc.o \ gt/uc/intel_guc_fw.o \ gt/uc/intel_guc_log.o \ gt/uc/intel_guc_log_debugfs.o \ + gt/uc/intel_guc_slpc.o \ gt/uc/intel_guc_submission.o \ gt/uc/intel_huc.o \ gt/uc/intel_huc_debugfs.o \ diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index 979128e28372..39bc3c16057b 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -7,6 +7,7 @@ #include "gt/intel_gt_irq.h" #include "gt/intel_gt_pm_irq.h" #include "intel_guc.h" +#include "intel_guc_slpc.h" #include "intel_guc_ads.h" #include "intel_guc_submission.h" #include "i915_drv.h" @@ -157,6 +158,7 @@ void intel_guc_init_early(struct intel_guc *guc) intel_guc_ct_init_early(&guc->ct); intel_guc_log_init_early(&guc->log); intel_guc_submission_init_early(guc); + intel_guc_slpc_init_early(&guc->slpc); mutex_init(&guc->send_mutex); spin_lock_init(&guc->irq_lock); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 9c62c68fb132..8cecfad9d7b1 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -15,6 +15,7 @@ #include "intel_guc_ct.h" #include "intel_guc_log.h" #include "intel_guc_reg.h" +#include "intel_guc_slpc_types.h" #include "intel_uc_fw.h" #include "i915_utils.h" #include "i915_vma.h" @@ -30,6 +31,7 @@ struct intel_guc { struct intel_uc_fw fw; struct intel_guc_log log; struct intel_guc_ct ct; + struct intel_guc_slpc slpc; /* Global engine used to submit requests to GuC */ struct i915_sched_engine *sched_engine; @@ -57,6 +59,8 @@ struct intel_guc { bool submission_supported; bool submission_selected; + bool slpc_supported; + bool slpc_selected; struct i915_vma *ads_vma; struct __guc_ads_blob *ads_blob; diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c new file mode 100644 index 000000000000..d9feb430ce35 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2021 Intel Corporation + */ + +#include "i915_drv.h" +#include "intel_guc_slpc.h" +#include "gt/intel_gt.h" + +static inline struct intel_guc *slpc_to_guc(struct intel_guc_slpc *slpc) +{ + return container_of(slpc, struct intel_guc, slpc); +} + +static bool __detect_slpc_supported(struct intel_guc *guc) +{ + /* GuC SLPC is unavailable for pre-Gen12 */ + return guc->submission_supported && + GRAPHICS_VER(guc_to_gt(guc)->i915) >= 12; +} + +static bool __guc_slpc_selected(struct intel_guc *guc) +{ + if (!intel_guc_slpc_is_supported(guc)) + return false; + + return guc->submission_selected; +} + +void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc) +{ + struct intel_guc *guc = slpc_to_guc(slpc); + + guc->slpc_supported = __detect_slpc_supported(guc); + guc->slpc_selected = __guc_slpc_selected(guc); +} + +int intel_guc_slpc_init(struct intel_guc_slpc *slpc) +{ + return 0; +} + +/* + * intel_guc_slpc_enable() - Start SLPC + * @slpc: pointer to intel_guc_slpc. + * + * SLPC is enabled by setting up the shared data structure and + * sending reset event to GuC SLPC. Initial data is setup in + * intel_guc_slpc_init. Here we send the reset event. We do + * not currently need a slpc_disable since this is taken care + * of automatically when a reset/suspend occurs and the GuC + * CTB is destroyed. + * + * Return: 0 on success, non-zero error code on failure. + */ +int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) +{ + return 0; +} + +void intel_guc_slpc_fini(struct intel_guc_slpc *slpc) +{ +} diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h new file mode 100644 index 000000000000..c3b0ad7f0f93 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef _INTEL_GUC_SLPC_H_ +#define _INTEL_GUC_SLPC_H_ + +#include "intel_guc_submission.h" +#include "intel_guc_slpc_types.h" + +static inline bool intel_guc_slpc_is_supported(struct intel_guc *guc) +{ + return guc->slpc_supported; +} + +static inline bool intel_guc_slpc_is_wanted(struct intel_guc *guc) +{ + return guc->slpc_selected; +} + +static inline bool intel_guc_slpc_is_used(struct intel_guc *guc) +{ + return intel_guc_submission_is_used(guc) && intel_guc_slpc_is_wanted(guc); +} + +void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc); + +int intel_guc_slpc_init(struct intel_guc_slpc *slpc); +int intel_guc_slpc_enable(struct intel_guc_slpc *slpc); +void intel_guc_slpc_fini(struct intel_guc_slpc *slpc); + +#endif diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h new file mode 100644 index 000000000000..b85148265b1f --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_types.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef _INTEL_GUC_SLPC_TYPES_H_ +#define _INTEL_GUC_SLPC_TYPES_H_ + +#include <linux/types.h> + +struct intel_guc_slpc { + +}; + +#endif diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c index da57d18d9f6b..e6bd9406c7b2 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -75,16 +75,18 @@ static void __confirm_options(struct intel_uc *uc) struct drm_i915_private *i915 = uc_to_gt(uc)->i915; drm_dbg(&i915->drm, - "enable_guc=%d (guc:%s submission:%s huc:%s)\n", + "enable_guc=%d (guc:%s submission:%s huc:%s slpc:%s)\n", i915->params.enable_guc, yesno(intel_uc_wants_guc(uc)), yesno(intel_uc_wants_guc_submission(uc)), - yesno(intel_uc_wants_huc(uc))); + yesno(intel_uc_wants_huc(uc)), + yesno(intel_uc_wants_guc_slpc(uc))); if (i915->params.enable_guc == 0) { GEM_BUG_ON(intel_uc_wants_guc(uc)); GEM_BUG_ON(intel_uc_wants_guc_submission(uc)); GEM_BUG_ON(intel_uc_wants_huc(uc)); + GEM_BUG_ON(intel_uc_wants_guc_slpc(uc)); return; } diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h index e2da2b6e76e1..925a58ca6b94 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h @@ -8,6 +8,7 @@ #include "intel_guc.h" #include "intel_guc_submission.h" +#include "intel_guc_slpc.h" #include "intel_huc.h" #include "i915_params.h" @@ -83,6 +84,7 @@ __uc_state_checker(x, func, uses, used) uc_state_checkers(guc, guc); uc_state_checkers(huc, huc); uc_state_checkers(guc, guc_submission); +uc_state_checkers(guc, guc_slpc); #undef uc_state_checkers #undef __uc_state_checker