| Message ID | 20210506191451.77768-35-matthew.brost@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Basic GuC submission support in the i915 | expand |
On Thu, May 06, 2021 at 12:13:48PM -0700, Matthew Brost wrote: > From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> > > GuC has its own defines for the engine classes. They're currently > mapping 1:1 to the defines used by the driver, but there is no guarantee > this will continue in the future. Given that we've been caught off-guard > in the past by similar divergences, we can prepare for the changes by > introducing helper functions to convert from engine class to GuC class and > back again. > > Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> > Signed-off-by: Matthew Brost <matthew.brost@intel.com> > Cc: John Harrison <John.C.Harrison@Intel.com> > Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> > --- > drivers/gpu/drm/i915/gt/intel_engine_cs.c | 6 +++-- > drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 20 +++++++++------- > drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 26 +++++++++++++++++++++ > 3 files changed, 42 insertions(+), 10 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c > index c88b792c1ab5..7866ff0c2673 100644 > --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c > +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c > @@ -289,6 +289,7 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id) > const struct engine_info *info = &intel_engines[id]; > struct drm_i915_private *i915 = gt->i915; > struct intel_engine_cs *engine; > + u8 guc_class; > > BUILD_BUG_ON(MAX_ENGINE_CLASS >= BIT(GEN11_ENGINE_CLASS_WIDTH)); > BUILD_BUG_ON(MAX_ENGINE_INSTANCE >= BIT(GEN11_ENGINE_INSTANCE_WIDTH)); > @@ -317,9 +318,10 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id) > engine->i915 = i915; > engine->gt = gt; > engine->uncore = gt->uncore; > - engine->mmio_base = __engine_mmio_base(i915, info->mmio_bases); > engine->hw_id = info->hw_id; > - engine->guc_id = MAKE_GUC_ID(info->class, info->instance); > + guc_class = engine_class_to_guc_class(info->class); > + engine->guc_id = MAKE_GUC_ID(guc_class, info->instance); > + engine->mmio_base = __engine_mmio_base(i915, info->mmio_bases); > > engine->irq_handler = nop_irq_handler; > > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c > index 775f00d706fa..ecd18531b40a 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c > @@ -6,6 +6,7 @@ > #include "gt/intel_gt.h" > #include "gt/intel_lrc.h" > #include "intel_guc_ads.h" > +#include "intel_guc_fwif.h" > #include "intel_uc.h" > #include "i915_drv.h" > > @@ -78,7 +79,7 @@ static void guc_mapping_table_init(struct intel_gt *gt, > GUC_MAX_INSTANCES_PER_CLASS; > > for_each_engine(engine, gt, id) { > - u8 guc_class = engine->class; > + u8 guc_class = engine_class_to_guc_class(engine->class); > > system_info->mapping_table[guc_class][engine->instance] = > engine->instance; > @@ -98,7 +99,7 @@ static void __guc_ads_init(struct intel_guc *guc) > struct __guc_ads_blob *blob = guc->ads_blob; > const u32 skipped_size = LRC_PPHWSP_SZ * PAGE_SIZE + LR_HW_CONTEXT_SIZE; > u32 base; > - u8 engine_class; > + u8 engine_class, guc_class; > > /* GuC scheduling policies */ > guc_policies_init(&blob->policies); > @@ -114,22 +115,25 @@ static void __guc_ads_init(struct intel_guc *guc) > for (engine_class = 0; engine_class <= MAX_ENGINE_CLASS; ++engine_class) { > if (engine_class == OTHER_CLASS) > continue; > + > + guc_class = engine_class_to_guc_class(engine_class); > + > /* > * TODO: Set context pointer to default state to allow > * GuC to re-init guilty contexts after internal reset. > */ > - blob->ads.golden_context_lrca[engine_class] = 0; > - blob->ads.eng_state_size[engine_class] = > + blob->ads.golden_context_lrca[guc_class] = 0; > + blob->ads.eng_state_size[guc_class] = > intel_engine_context_size(guc_to_gt(guc), > engine_class) - > skipped_size; > } > > /* System info */ > - blob->system_info.engine_enabled_masks[RENDER_CLASS] = 1; > - blob->system_info.engine_enabled_masks[COPY_ENGINE_CLASS] = 1; > - blob->system_info.engine_enabled_masks[VIDEO_DECODE_CLASS] = VDBOX_MASK(gt); > - blob->system_info.engine_enabled_masks[VIDEO_ENHANCEMENT_CLASS] = VEBOX_MASK(gt); > + blob->system_info.engine_enabled_masks[GUC_RENDER_CLASS] = 1; > + blob->system_info.engine_enabled_masks[GUC_BLITTER_CLASS] = 1; > + blob->system_info.engine_enabled_masks[GUC_VIDEO_CLASS] = VDBOX_MASK(gt); > + blob->system_info.engine_enabled_masks[GUC_VIDEOENHANCE_CLASS] = VEBOX_MASK(gt); > > blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED] = > hweight8(gt->info.sseu.slice_mask); > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h > index 301b173a26bc..558cfe168cb7 100644 > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h > @@ -15,6 +15,7 @@ > #include "abi/guc_communication_mmio_abi.h" > #include "abi/guc_communication_ctb_abi.h" > #include "abi/guc_messages_abi.h" > +#include "gt/intel_engine_types.h" > > #define GUC_CLIENT_PRIORITY_KMD_HIGH 0 > #define GUC_CLIENT_PRIORITY_HIGH 1 > @@ -32,6 +33,12 @@ > #define GUC_VIDEO_ENGINE2 4 > #define GUC_MAX_ENGINES_NUM (GUC_VIDEO_ENGINE2 + 1) > > +#define GUC_RENDER_CLASS 0 > +#define GUC_VIDEO_CLASS 1 > +#define GUC_VIDEOENHANCE_CLASS 2 > +#define GUC_BLITTER_CLASS 3 > +#define GUC_RESERVED_CLASS 4 > +#define GUC_LAST_ENGINE_CLASS GUC_RESERVED_CLASS > #define GUC_MAX_ENGINE_CLASSES 16 > #define GUC_MAX_INSTANCES_PER_CLASS 32 > > @@ -129,6 +136,25 @@ > #define GUC_ID_TO_ENGINE_INSTANCE(guc_id) \ > (((guc_id) & GUC_ENGINE_INSTANCE_MASK) >> GUC_ENGINE_INSTANCE_SHIFT) > > +static inline u8 engine_class_to_guc_class(u8 class) > +{ > + BUILD_BUG_ON(GUC_RENDER_CLASS != RENDER_CLASS); > + BUILD_BUG_ON(GUC_BLITTER_CLASS != COPY_ENGINE_CLASS); > + BUILD_BUG_ON(GUC_VIDEO_CLASS != VIDEO_DECODE_CLASS); > + BUILD_BUG_ON(GUC_VIDEOENHANCE_CLASS != VIDEO_ENHANCEMENT_CLASS); > + GEM_BUG_ON(class > MAX_ENGINE_CLASS || class == OTHER_CLASS); > + > + return class; > +} > + > +static inline u8 guc_class_to_engine_class(u8 guc_class) > +{ > + GEM_BUG_ON(guc_class > GUC_LAST_ENGINE_CLASS); > + GEM_BUG_ON(guc_class == GUC_RESERVED_CLASS); > + > + return guc_class; > +} > + > /* Work item for submitting workloads into work queue of GuC. */ > struct guc_wq_item { > u32 header; > -- > 2.28.0 >
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index c88b792c1ab5..7866ff0c2673 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -289,6 +289,7 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id) const struct engine_info *info = &intel_engines[id]; struct drm_i915_private *i915 = gt->i915; struct intel_engine_cs *engine; + u8 guc_class; BUILD_BUG_ON(MAX_ENGINE_CLASS >= BIT(GEN11_ENGINE_CLASS_WIDTH)); BUILD_BUG_ON(MAX_ENGINE_INSTANCE >= BIT(GEN11_ENGINE_INSTANCE_WIDTH)); @@ -317,9 +318,10 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id) engine->i915 = i915; engine->gt = gt; engine->uncore = gt->uncore; - engine->mmio_base = __engine_mmio_base(i915, info->mmio_bases); engine->hw_id = info->hw_id; - engine->guc_id = MAKE_GUC_ID(info->class, info->instance); + guc_class = engine_class_to_guc_class(info->class); + engine->guc_id = MAKE_GUC_ID(guc_class, info->instance); + engine->mmio_base = __engine_mmio_base(i915, info->mmio_bases); engine->irq_handler = nop_irq_handler; diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c index 775f00d706fa..ecd18531b40a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c @@ -6,6 +6,7 @@ #include "gt/intel_gt.h" #include "gt/intel_lrc.h" #include "intel_guc_ads.h" +#include "intel_guc_fwif.h" #include "intel_uc.h" #include "i915_drv.h" @@ -78,7 +79,7 @@ static void guc_mapping_table_init(struct intel_gt *gt, GUC_MAX_INSTANCES_PER_CLASS; for_each_engine(engine, gt, id) { - u8 guc_class = engine->class; + u8 guc_class = engine_class_to_guc_class(engine->class); system_info->mapping_table[guc_class][engine->instance] = engine->instance; @@ -98,7 +99,7 @@ static void __guc_ads_init(struct intel_guc *guc) struct __guc_ads_blob *blob = guc->ads_blob; const u32 skipped_size = LRC_PPHWSP_SZ * PAGE_SIZE + LR_HW_CONTEXT_SIZE; u32 base; - u8 engine_class; + u8 engine_class, guc_class; /* GuC scheduling policies */ guc_policies_init(&blob->policies); @@ -114,22 +115,25 @@ static void __guc_ads_init(struct intel_guc *guc) for (engine_class = 0; engine_class <= MAX_ENGINE_CLASS; ++engine_class) { if (engine_class == OTHER_CLASS) continue; + + guc_class = engine_class_to_guc_class(engine_class); + /* * TODO: Set context pointer to default state to allow * GuC to re-init guilty contexts after internal reset. */ - blob->ads.golden_context_lrca[engine_class] = 0; - blob->ads.eng_state_size[engine_class] = + blob->ads.golden_context_lrca[guc_class] = 0; + blob->ads.eng_state_size[guc_class] = intel_engine_context_size(guc_to_gt(guc), engine_class) - skipped_size; } /* System info */ - blob->system_info.engine_enabled_masks[RENDER_CLASS] = 1; - blob->system_info.engine_enabled_masks[COPY_ENGINE_CLASS] = 1; - blob->system_info.engine_enabled_masks[VIDEO_DECODE_CLASS] = VDBOX_MASK(gt); - blob->system_info.engine_enabled_masks[VIDEO_ENHANCEMENT_CLASS] = VEBOX_MASK(gt); + blob->system_info.engine_enabled_masks[GUC_RENDER_CLASS] = 1; + blob->system_info.engine_enabled_masks[GUC_BLITTER_CLASS] = 1; + blob->system_info.engine_enabled_masks[GUC_VIDEO_CLASS] = VDBOX_MASK(gt); + blob->system_info.engine_enabled_masks[GUC_VIDEOENHANCE_CLASS] = VEBOX_MASK(gt); blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED] = hweight8(gt->info.sseu.slice_mask); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h index 301b173a26bc..558cfe168cb7 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h @@ -15,6 +15,7 @@ #include "abi/guc_communication_mmio_abi.h" #include "abi/guc_communication_ctb_abi.h" #include "abi/guc_messages_abi.h" +#include "gt/intel_engine_types.h" #define GUC_CLIENT_PRIORITY_KMD_HIGH 0 #define GUC_CLIENT_PRIORITY_HIGH 1 @@ -32,6 +33,12 @@ #define GUC_VIDEO_ENGINE2 4 #define GUC_MAX_ENGINES_NUM (GUC_VIDEO_ENGINE2 + 1) +#define GUC_RENDER_CLASS 0 +#define GUC_VIDEO_CLASS 1 +#define GUC_VIDEOENHANCE_CLASS 2 +#define GUC_BLITTER_CLASS 3 +#define GUC_RESERVED_CLASS 4 +#define GUC_LAST_ENGINE_CLASS GUC_RESERVED_CLASS #define GUC_MAX_ENGINE_CLASSES 16 #define GUC_MAX_INSTANCES_PER_CLASS 32 @@ -129,6 +136,25 @@ #define GUC_ID_TO_ENGINE_INSTANCE(guc_id) \ (((guc_id) & GUC_ENGINE_INSTANCE_MASK) >> GUC_ENGINE_INSTANCE_SHIFT) +static inline u8 engine_class_to_guc_class(u8 class) +{ + BUILD_BUG_ON(GUC_RENDER_CLASS != RENDER_CLASS); + BUILD_BUG_ON(GUC_BLITTER_CLASS != COPY_ENGINE_CLASS); + BUILD_BUG_ON(GUC_VIDEO_CLASS != VIDEO_DECODE_CLASS); + BUILD_BUG_ON(GUC_VIDEOENHANCE_CLASS != VIDEO_ENHANCEMENT_CLASS); + GEM_BUG_ON(class > MAX_ENGINE_CLASS || class == OTHER_CLASS); + + return class; +} + +static inline u8 guc_class_to_engine_class(u8 guc_class) +{ + GEM_BUG_ON(guc_class > GUC_LAST_ENGINE_CLASS); + GEM_BUG_ON(guc_class == GUC_RESERVED_CLASS); + + return guc_class; +} + /* Work item for submitting workloads into work queue of GuC. */ struct guc_wq_item { u32 header;