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drm/i915/display: add intel_bo_get/set_frontbuffer() and use them

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Add the struct drm_gem_object based interfaces.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3120ec430656f04701077dda39cce5f1ed415eee.1726589119.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2024-09-17 19:13:53 +03:00
parent 63db15feff
commit ff992dbfbe
4 changed files with 31 additions and 3 deletions
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12
drivers/gpu/drm/i915/display/intel_bo.c
View File

@@ -3,6 +3,7 @@
#include "gem/i915_gem_mman.h"
#include "gem/i915_gem_object.h"
#include "gem/i915_gem_object_frontbuffer.h"
#include "intel_bo.h"
bool intel_bo_is_tiled(struct drm_gem_object *obj)
@@ -39,3 +40,14 @@ int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, i
{
return i915_gem_object_read_from_page(to_intel_bo(obj), offset, dst, size);
}
struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj)
{
return i915_gem_object_get_frontbuffer(to_intel_bo(obj));
}
struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
struct intel_frontbuffer *front)
{
return i915_gem_object_set_frontbuffer(to_intel_bo(obj), front);
}

4
drivers/gpu/drm/i915/display/intel_bo.h
View File

@@ -17,4 +17,8 @@ void intel_bo_flush_if_display(struct drm_gem_object *obj);
int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size);
struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj);
struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
struct intel_frontbuffer *front);
#endif /* __INTEL_BO__ */

7
drivers/gpu/drm/i915/display/intel_frontbuffer.c
View File

@@ -59,6 +59,7 @@
#include "gem/i915_gem_object_types.h"
#include "i915_active.h"
#include "i915_drv.h"
#include "intel_bo.h"
#include "intel_display_trace.h"
#include "intel_display_types.h"
#include "intel_dp.h"
@@ -266,7 +267,7 @@ static void frontbuffer_release(struct kref *ref)
i915_ggtt_clear_scanout(obj);
ret = i915_gem_object_set_frontbuffer(obj, NULL);
ret = intel_bo_set_frontbuffer(intel_bo_to_drm_bo(obj), NULL);
drm_WARN_ON(&intel_bo_to_i915(obj)->drm, ret);
spin_unlock(&intel_bo_to_i915(obj)->display.fb_tracking.lock);
@@ -280,7 +281,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
struct drm_i915_private *i915 = intel_bo_to_i915(obj);
struct intel_frontbuffer *front, *cur;
front = i915_gem_object_get_frontbuffer(obj);
front = intel_bo_get_frontbuffer(intel_bo_to_drm_bo(obj));
if (front)
return front;
@@ -298,7 +299,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
INIT_WORK(&front->flush_work, intel_frontbuffer_flush_work);
spin_lock(&i915->display.fb_tracking.lock);
cur = i915_gem_object_set_frontbuffer(obj, front);
cur = intel_bo_set_frontbuffer(intel_bo_to_drm_bo(obj), front);
spin_unlock(&i915->display.fb_tracking.lock);
if (cur != front)
kfree(front);

11
drivers/gpu/drm/xe/display/intel_bo.c
View File

@@ -66,3 +66,14 @@ int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, i
xe_bo_unlock(bo);
return ret;
}
struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj)
{
return NULL;
}
struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
struct intel_frontbuffer *front)
{
return front;
}