Split out frontbuffer related declarations and static inlines from gem/i915_gem_object.h into new gem/i915_gem_object_frontbuffer.h. The main goal is to reduce header interdependencies. With gem/i915_gem_object.h including display/intel_frontbuffer.h, modification of the latter causes a whopping 300+ objects to be rebuilt, while many of the source files actually needing it aren't explicitly including it at all. After the change, only 21 objects depend on display/intel_frontbuffer.h, directly or indirectly. Cc: Jouni Högander <jouni.hogander@xxxxxxxxx> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- Side note: Many of the files including intel_frontbuffer.h implicitly failed to build on xe without adding the explicit include. This should address that as well. --- drivers/gpu/drm/i915/display/i9xx_plane.c | 1 + drivers/gpu/drm/i915/display/intel_drrs.c | 1 + drivers/gpu/drm/i915/display/intel_fb.c | 1 + .../gpu/drm/i915/display/intel_frontbuffer.c | 1 + drivers/gpu/drm/i915/display/intel_overlay.c | 1 + .../drm/i915/display/intel_plane_initial.c | 1 + drivers/gpu/drm/i915/display/intel_psr.c | 1 + drivers/gpu/drm/i915/display/intel_sprite.c | 1 + .../drm/i915/display/skl_universal_plane.c | 1 + drivers/gpu/drm/i915/gem/i915_gem_clflush.c | 3 +- drivers/gpu/drm/i915/gem/i915_gem_domain.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_object.c | 1 + drivers/gpu/drm/i915/gem/i915_gem_object.h | 89 --------------- .../i915/gem/i915_gem_object_frontbuffer.h | 103 ++++++++++++++++++ drivers/gpu/drm/i915/gem/i915_gem_phys.c | 1 + drivers/gpu/drm/i915/i915_gem.c | 2 +- drivers/gpu/drm/i915/i915_vma.c | 1 + 17 files changed, 118 insertions(+), 93 deletions(-) create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c index b10488324457..91f2bc405cba 100644 --- a/drivers/gpu/drm/i915/display/i9xx_plane.c +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c @@ -17,6 +17,7 @@ #include "intel_display_types.h" #include "intel_fb.h" #include "intel_fbc.h" +#include "intel_frontbuffer.h" #include "intel_sprite.h" /* Primary plane formats for gen <= 3 */ diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c index 0d35b6be5b6a..6282ec0fc9b4 100644 --- a/drivers/gpu/drm/i915/display/intel_drrs.c +++ b/drivers/gpu/drm/i915/display/intel_drrs.c @@ -9,6 +9,7 @@ #include "intel_de.h" #include "intel_display_types.h" #include "intel_drrs.h" +#include "intel_frontbuffer.h" #include "intel_panel.h" /** diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c index 446bbf7986b6..b1bfbbef89b5 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fb.c @@ -12,6 +12,7 @@ #include "intel_display_types.h" #include "intel_dpt.h" #include "intel_fb.h" +#include "intel_frontbuffer.h" #define check_array_bounds(i915, a, i) drm_WARN_ON(&(i915)->drm, (i) >= ARRAY_SIZE(a)) diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c index 22392f94b626..54ddb69eca66 100644 --- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c @@ -55,6 +55,7 @@ * cancelled as soon as busyness is detected. */ +#include "gem/i915_gem_object_frontbuffer.h" #include "i915_drv.h" #include "intel_display_trace.h" #include "intel_display_types.h" diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c index dea3050d2c9c..2b1392d5a902 100644 --- a/drivers/gpu/drm/i915/display/intel_overlay.c +++ b/drivers/gpu/drm/i915/display/intel_overlay.c @@ -29,6 +29,7 @@ #include <drm/drm_fourcc.h> #include "gem/i915_gem_internal.h" +#include "gem/i915_gem_object_frontbuffer.h" #include "gem/i915_gem_pm.h" #include "gt/intel_gpu_commands.h" #include "gt/intel_ring.h" diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c index 736072a8b2b0..451a642e106e 100644 --- a/drivers/gpu/drm/i915/display/intel_plane_initial.c +++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c @@ -9,6 +9,7 @@ #include "intel_display.h" #include "intel_display_types.h" #include "intel_fb.h" +#include "intel_frontbuffer.h" #include "intel_plane_initial.h" static bool diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 72887c29fb51..60b486299834 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -32,6 +32,7 @@ #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_aux.h" +#include "intel_frontbuffer.h" #include "intel_hdmi.h" #include "intel_psr.h" #include "intel_psr_regs.h" diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 25034bbf1445..1fb16510f750 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -45,6 +45,7 @@ #include "intel_de.h" #include "intel_display_types.h" #include "intel_fb.h" +#include "intel_frontbuffer.h" #include "intel_sprite.h" static void i9xx_plane_linear_gamma(u16 gamma[8]) diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 4566c95da1ca..517df2aa7a91 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -16,6 +16,7 @@ #include "intel_display_types.h" #include "intel_fb.h" #include "intel_fbc.h" +#include "intel_frontbuffer.h" #include "intel_psr.h" #include "skl_scaler.h" #include "skl_universal_plane.h" diff --git a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c index 385ffc575b48..7d97ea2a653e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c @@ -6,11 +6,10 @@ #include <drm/drm_cache.h> -#include "display/intel_frontbuffer.h" - #include "i915_config.h" #include "i915_drv.h" #include "i915_gem_clflush.h" +#include "i915_gem_object_frontbuffer.h" #include "i915_sw_fence_work.h" #include "i915_trace.h" diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c index ffddec1d2a76..3770828f2eaf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c @@ -5,7 +5,6 @@ */ #include "display/intel_display.h" -#include "display/intel_frontbuffer.h" #include "gt/intel_gt.h" #include "i915_drv.h" @@ -16,6 +15,7 @@ #include "i915_gem_lmem.h" #include "i915_gem_mman.h" #include "i915_gem_object.h" +#include "i915_gem_object_frontbuffer.h" #include "i915_vma.h" #define VTD_GUARD (168u * I915_GTT_PAGE_SIZE) /* 168 or tile-row PTE padding */ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index ef9346ed6d0f..c26d87555825 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -37,6 +37,7 @@ #include "i915_gem_dmabuf.h" #include "i915_gem_mman.h" #include "i915_gem_object.h" +#include "i915_gem_object_frontbuffer.h" #include "i915_gem_ttm.h" #include "i915_memcpy.h" #include "i915_trace.h" diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index f607b87890dd..3560a062d287 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -11,7 +11,6 @@ #include <drm/drm_file.h> #include <drm/drm_device.h> -#include "display/intel_frontbuffer.h" #include "intel_memory_region.h" #include "i915_gem_object_types.h" #include "i915_gem_gtt.h" @@ -806,27 +805,6 @@ int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj, unsigned int flags, const struct i915_sched_attr *attr); -void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj, - enum fb_op_origin origin); -void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj, - enum fb_op_origin origin); - -static inline void -i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj, - enum fb_op_origin origin) -{ - if (unlikely(rcu_access_pointer(obj->frontbuffer))) - __i915_gem_object_flush_frontbuffer(obj, origin); -} - -static inline void -i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj, - enum fb_op_origin origin) -{ - if (unlikely(rcu_access_pointer(obj->frontbuffer))) - __i915_gem_object_invalidate_frontbuffer(obj, origin); -} - int i915_gem_object_read_from_page(struct drm_i915_gem_object *obj, u64 offset, void *dst, int size); bool i915_gem_object_is_shmem(const struct drm_i915_gem_object *obj); @@ -887,71 +865,4 @@ static inline int i915_gem_object_userptr_validate(struct drm_i915_gem_object *o #endif -/** - * i915_gem_object_get_frontbuffer - Get the object's frontbuffer - * @obj: The object whose frontbuffer to get. - * - * Get pointer to object's frontbuffer if such exists. Please note that RCU - * mechanism is used to handle e.g. ongoing removal of frontbuffer pointer. - * - * Return: pointer to object's frontbuffer is such exists or NULL - */ -static inline struct intel_frontbuffer * -i915_gem_object_get_frontbuffer(const struct drm_i915_gem_object *obj) -{ - struct intel_frontbuffer *front; - - if (likely(!rcu_access_pointer(obj->frontbuffer))) - return NULL; - - rcu_read_lock(); - do { - front = rcu_dereference(obj->frontbuffer); - if (!front) - break; - - if (unlikely(!kref_get_unless_zero(&front->ref))) - continue; - - if (likely(front == rcu_access_pointer(obj->frontbuffer))) - break; - - intel_frontbuffer_put(front); - } while (1); - rcu_read_unlock(); - - return front; -} - -/** - * i915_gem_object_set_frontbuffer - Set the object's frontbuffer - * @obj: The object whose frontbuffer to set. - * @front: The frontbuffer to set - * - * Set object's frontbuffer pointer. If frontbuffer is already set for the - * object keep it and return it's pointer to the caller. Please note that RCU - * mechanism is used to handle e.g. ongoing removal of frontbuffer pointer. This - * function is protected by i915->display.fb_tracking.lock - * - * Return: pointer to frontbuffer which was set. - */ -static inline struct intel_frontbuffer * -i915_gem_object_set_frontbuffer(struct drm_i915_gem_object *obj, - struct intel_frontbuffer *front) -{ - struct intel_frontbuffer *cur = front; - - if (!front) { - RCU_INIT_POINTER(obj->frontbuffer, NULL); - } else if (rcu_access_pointer(obj->frontbuffer)) { - cur = rcu_dereference_protected(obj->frontbuffer, true); - kref_get(&cur->ref); - } else { - drm_gem_object_get(intel_bo_to_drm_bo(obj)); - rcu_assign_pointer(obj->frontbuffer, front); - } - - return cur; -} - #endif diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h b/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h new file mode 100644 index 000000000000..e5e870b6f186 --- /dev/null +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef __I915_GEM_OBJECT_FRONTBUFFER_H__ +#define __I915_GEM_OBJECT_FRONTBUFFER_H__ + +#include <linux/kref.h> +#include <linux/rcupdate.h> + +#include "display/intel_frontbuffer.h" +#include "i915_gem_object_types.h" + +void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj, + enum fb_op_origin origin); +void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj, + enum fb_op_origin origin); + +static inline void +i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj, + enum fb_op_origin origin) +{ + if (unlikely(rcu_access_pointer(obj->frontbuffer))) + __i915_gem_object_flush_frontbuffer(obj, origin); +} + +static inline void +i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj, + enum fb_op_origin origin) +{ + if (unlikely(rcu_access_pointer(obj->frontbuffer))) + __i915_gem_object_invalidate_frontbuffer(obj, origin); +} + +/** + * i915_gem_object_get_frontbuffer - Get the object's frontbuffer + * @obj: The object whose frontbuffer to get. + * + * Get pointer to object's frontbuffer if such exists. Please note that RCU + * mechanism is used to handle e.g. ongoing removal of frontbuffer pointer. + * + * Return: pointer to object's frontbuffer is such exists or NULL + */ +static inline struct intel_frontbuffer * +i915_gem_object_get_frontbuffer(const struct drm_i915_gem_object *obj) +{ + struct intel_frontbuffer *front; + + if (likely(!rcu_access_pointer(obj->frontbuffer))) + return NULL; + + rcu_read_lock(); + do { + front = rcu_dereference(obj->frontbuffer); + if (!front) + break; + + if (unlikely(!kref_get_unless_zero(&front->ref))) + continue; + + if (likely(front == rcu_access_pointer(obj->frontbuffer))) + break; + + intel_frontbuffer_put(front); + } while (1); + rcu_read_unlock(); + + return front; +} + +/** + * i915_gem_object_set_frontbuffer - Set the object's frontbuffer + * @obj: The object whose frontbuffer to set. + * @front: The frontbuffer to set + * + * Set object's frontbuffer pointer. If frontbuffer is already set for the + * object keep it and return it's pointer to the caller. Please note that RCU + * mechanism is used to handle e.g. ongoing removal of frontbuffer pointer. This + * function is protected by i915->display.fb_tracking.lock + * + * Return: pointer to frontbuffer which was set. + */ +static inline struct intel_frontbuffer * +i915_gem_object_set_frontbuffer(struct drm_i915_gem_object *obj, + struct intel_frontbuffer *front) +{ + struct intel_frontbuffer *cur = front; + + if (!front) { + RCU_INIT_POINTER(obj->frontbuffer, NULL); + } else if (rcu_access_pointer(obj->frontbuffer)) { + cur = rcu_dereference_protected(obj->frontbuffer, true); + kref_get(&cur->ref); + } else { + drm_gem_object_get(intel_bo_to_drm_bo(obj)); + rcu_assign_pointer(obj->frontbuffer, front); + } + + return cur; +} + +#endif diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c index 76efe98eaa14..5df128e2f4dc 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c @@ -13,6 +13,7 @@ #include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_gem_object.h" +#include "i915_gem_object_frontbuffer.h" #include "i915_gem_region.h" #include "i915_gem_tiling.h" #include "i915_scatterlist.h" diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1f65bb33dd21..147d5b95b9ac 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -40,12 +40,12 @@ #include <drm/drm_vma_manager.h> #include "display/intel_display.h" -#include "display/intel_frontbuffer.h" #include "gem/i915_gem_clflush.h" #include "gem/i915_gem_context.h" #include "gem/i915_gem_ioctls.h" #include "gem/i915_gem_mman.h" +#include "gem/i915_gem_object_frontbuffer.h" #include "gem/i915_gem_pm.h" #include "gem/i915_gem_region.h" #include "gem/i915_gem_userptr.h" diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 6f180ee13853..d09aad34ba37 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -29,6 +29,7 @@ #include "display/intel_display.h" #include "display/intel_frontbuffer.h" #include "gem/i915_gem_lmem.h" +#include "gem/i915_gem_object_frontbuffer.h" #include "gem/i915_gem_tiling.h" #include "gt/intel_engine.h" #include "gt/intel_engine_heartbeat.h" -- 2.39.2