UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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 <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a5444d0a373afca46da9a2f6e4db442af21b429b.1661779055.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-08-29 16:18:18 +03:00
parent 20478b8807
commit 5da6d6c792
5 changed files with 42 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/i915/display/intel_display_core.h
View File

@ -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;

4
drivers/gpu/drm/i915/display/intel_display_debugfs.c
View File

@ -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;
}

54
drivers/gpu/drm/i915/display/intel_frontbuffer.c
View File

@ -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);
}
/**

14
drivers/gpu/drm/i915/i915_drv.h
View File

@ -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;

2
drivers/gpu/drm/i915/i915_gem.c
View File

@ -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)