From: Jani Nikula Date: Mon, 29 Aug 2022 13:18:18 +0000 (+0300) Subject: drm/i915: move fb_tracking under display sub-struct X-Git-Tag: v6.6.17~3937^2~17^2~1116 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5da6d6c79297832277b34b38628991cec07bc664;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: move fb_tracking under display sub-struct Move display frontbuffer tracking related members under drm_i915_private display sub-struct. Rename struct i915_frontbuffer_tracking to intel_frontbuffer_tracking while at it. FIXME: fb_tracking.lock mutex init should be moved away from i915_gem_init_early(). Signed-off-by: Jani Nikula Reviewed-by: Lucas De Marchi Link: https://patchwork.freedesktop.org/patch/msgid/a5444d0a373afca46da9a2f6e4db442af21b429b.1661779055.git.jani.nikula@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h b/drivers/gpu/drm/i915/display/intel_display_core.h index 0aeebf1..3d2e1b1 100644 --- a/drivers/gpu/drm/i915/display/intel_display_core.h +++ b/drivers/gpu/drm/i915/display/intel_display_core.h @@ -120,6 +120,17 @@ struct intel_dpll { } ref_clks; }; +struct intel_frontbuffer_tracking { + spinlock_t lock; + + /* + * Tracking bits for delayed frontbuffer flushing du to gpu activity or + * scheduled flips. + */ + unsigned busy_bits; + unsigned flip_bits; +}; + struct intel_hotplug { struct delayed_work hotplug_work; @@ -363,6 +374,7 @@ struct intel_display { struct intel_dmc dmc; struct intel_dpll dpll; struct intel_fbc *fbc[I915_MAX_FBCS]; + struct intel_frontbuffer_tracking fb_tracking; struct intel_hotplug hotplug; struct intel_opregion opregion; struct intel_overlay *overlay; diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 619523f..5dc364e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -37,10 +37,10 @@ static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) struct drm_i915_private *dev_priv = node_to_i915(m->private); seq_printf(m, "FB tracking busy bits: 0x%08x\n", - dev_priv->fb_tracking.busy_bits); + dev_priv->display.fb_tracking.busy_bits); seq_printf(m, "FB tracking flip bits: 0x%08x\n", - dev_priv->fb_tracking.flip_bits); + dev_priv->display.fb_tracking.flip_bits); return 0; } diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c index 1463493..d80e3e8 100644 --- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c @@ -81,9 +81,9 @@ static void frontbuffer_flush(struct drm_i915_private *i915, enum fb_op_origin origin) { /* Delay flushing when rings are still busy.*/ - spin_lock(&i915->fb_tracking.lock); - frontbuffer_bits &= ~i915->fb_tracking.busy_bits; - spin_unlock(&i915->fb_tracking.lock); + spin_lock(&i915->display.fb_tracking.lock); + frontbuffer_bits &= ~i915->display.fb_tracking.busy_bits; + spin_unlock(&i915->display.fb_tracking.lock); if (!frontbuffer_bits) return; @@ -111,11 +111,11 @@ static void frontbuffer_flush(struct drm_i915_private *i915, void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915, unsigned frontbuffer_bits) { - spin_lock(&i915->fb_tracking.lock); - i915->fb_tracking.flip_bits |= frontbuffer_bits; + spin_lock(&i915->display.fb_tracking.lock); + i915->display.fb_tracking.flip_bits |= frontbuffer_bits; /* Remove stale busy bits due to the old buffer. */ - i915->fb_tracking.busy_bits &= ~frontbuffer_bits; - spin_unlock(&i915->fb_tracking.lock); + i915->display.fb_tracking.busy_bits &= ~frontbuffer_bits; + spin_unlock(&i915->display.fb_tracking.lock); } /** @@ -131,11 +131,11 @@ void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915, void intel_frontbuffer_flip_complete(struct drm_i915_private *i915, unsigned frontbuffer_bits) { - spin_lock(&i915->fb_tracking.lock); + spin_lock(&i915->display.fb_tracking.lock); /* Mask any cancelled flips. */ - frontbuffer_bits &= i915->fb_tracking.flip_bits; - i915->fb_tracking.flip_bits &= ~frontbuffer_bits; - spin_unlock(&i915->fb_tracking.lock); + frontbuffer_bits &= i915->display.fb_tracking.flip_bits; + i915->display.fb_tracking.flip_bits &= ~frontbuffer_bits; + spin_unlock(&i915->display.fb_tracking.lock); if (frontbuffer_bits) frontbuffer_flush(i915, frontbuffer_bits, ORIGIN_FLIP); @@ -155,10 +155,10 @@ void intel_frontbuffer_flip_complete(struct drm_i915_private *i915, void intel_frontbuffer_flip(struct drm_i915_private *i915, unsigned frontbuffer_bits) { - spin_lock(&i915->fb_tracking.lock); + spin_lock(&i915->display.fb_tracking.lock); /* Remove stale busy bits due to the old buffer. */ - i915->fb_tracking.busy_bits &= ~frontbuffer_bits; - spin_unlock(&i915->fb_tracking.lock); + i915->display.fb_tracking.busy_bits &= ~frontbuffer_bits; + spin_unlock(&i915->display.fb_tracking.lock); frontbuffer_flush(i915, frontbuffer_bits, ORIGIN_FLIP); } @@ -170,10 +170,10 @@ void __intel_fb_invalidate(struct intel_frontbuffer *front, struct drm_i915_private *i915 = to_i915(front->obj->base.dev); if (origin == ORIGIN_CS) { - spin_lock(&i915->fb_tracking.lock); - i915->fb_tracking.busy_bits |= frontbuffer_bits; - i915->fb_tracking.flip_bits &= ~frontbuffer_bits; - spin_unlock(&i915->fb_tracking.lock); + spin_lock(&i915->display.fb_tracking.lock); + i915->display.fb_tracking.busy_bits |= frontbuffer_bits; + i915->display.fb_tracking.flip_bits &= ~frontbuffer_bits; + spin_unlock(&i915->display.fb_tracking.lock); } trace_intel_frontbuffer_invalidate(frontbuffer_bits, origin); @@ -191,11 +191,11 @@ void __intel_fb_flush(struct intel_frontbuffer *front, struct drm_i915_private *i915 = to_i915(front->obj->base.dev); if (origin == ORIGIN_CS) { - spin_lock(&i915->fb_tracking.lock); + spin_lock(&i915->display.fb_tracking.lock); /* Filter out new bits since rendering started. */ - frontbuffer_bits &= i915->fb_tracking.busy_bits; - i915->fb_tracking.busy_bits &= ~frontbuffer_bits; - spin_unlock(&i915->fb_tracking.lock); + frontbuffer_bits &= i915->display.fb_tracking.busy_bits; + i915->display.fb_tracking.busy_bits &= ~frontbuffer_bits; + spin_unlock(&i915->display.fb_tracking.lock); } if (frontbuffer_bits) @@ -221,7 +221,7 @@ static void frontbuffer_retire(struct i915_active *ref) } static void frontbuffer_release(struct kref *ref) - __releases(&to_i915(front->obj->base.dev)->fb_tracking.lock) + __releases(&to_i915(front->obj->base.dev)->display.fb_tracking.lock) { struct intel_frontbuffer *front = container_of(ref, typeof(*front), ref); @@ -238,7 +238,7 @@ static void frontbuffer_release(struct kref *ref) spin_unlock(&obj->vma.lock); RCU_INIT_POINTER(obj->frontbuffer, NULL); - spin_unlock(&to_i915(obj->base.dev)->fb_tracking.lock); + spin_unlock(&to_i915(obj->base.dev)->display.fb_tracking.lock); i915_active_fini(&front->write); @@ -268,7 +268,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj) frontbuffer_retire, I915_ACTIVE_RETIRE_SLEEPS); - spin_lock(&i915->fb_tracking.lock); + spin_lock(&i915->display.fb_tracking.lock); if (rcu_access_pointer(obj->frontbuffer)) { kfree(front); front = rcu_dereference_protected(obj->frontbuffer, true); @@ -277,7 +277,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj) i915_gem_object_get(obj); rcu_assign_pointer(obj->frontbuffer, front); } - spin_unlock(&i915->fb_tracking.lock); + spin_unlock(&i915->display.fb_tracking.lock); return front; } @@ -286,7 +286,7 @@ void intel_frontbuffer_put(struct intel_frontbuffer *front) { kref_put_lock(&front->ref, frontbuffer_release, - &to_i915(front->obj->base.dev)->fb_tracking.lock); + &to_i915(front->obj->base.dev)->display.fb_tracking.lock); } /** diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a03b8e6..c950867 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -39,7 +39,6 @@ #include "display/intel_display.h" #include "display/intel_display_core.h" #include "display/intel_dsb.h" -#include "display/intel_frontbuffer.h" #include "gem/i915_gem_context_types.h" #include "gem/i915_gem_lmem.h" @@ -188,17 +187,6 @@ i915_fence_timeout(const struct drm_i915_private *i915) #define HAS_HW_SAGV_WM(i915) (DISPLAY_VER(i915) >= 13 && !IS_DGFX(i915)) -struct i915_frontbuffer_tracking { - spinlock_t lock; - - /* - * Tracking bits for delayed frontbuffer flushing du to gpu activity or - * scheduled flips. - */ - unsigned busy_bits; - unsigned flip_bits; -}; - struct i915_virtual_gpu { struct mutex lock; /* serialises sending of g2v_notify command pkts */ bool active; @@ -333,8 +321,6 @@ struct drm_i915_private { struct list_head global_obj_list; - struct i915_frontbuffer_tracking fb_tracking; - struct intel_atomic_helper { struct llist_head free_list; struct work_struct free_work; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32f0b5c..c2d6172 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1212,7 +1212,7 @@ void i915_gem_init_early(struct drm_i915_private *dev_priv) i915_gem_init__mm(dev_priv); i915_gem_init__contexts(dev_priv); - spin_lock_init(&dev_priv->fb_tracking.lock); + spin_lock_init(&dev_priv->display.fb_tracking.lock); } void i915_gem_cleanup_early(struct drm_i915_private *dev_priv)