Move the active tracking for the frontbuffer operations out of the
i915_gem_object and into its own first class (refcounted) object. In the
process of detangling, we switch from low level request tracking to the
easier i915_active -- with the plan that this avoids any potential
atomic callbacks as the frontbuffer tracking wishes to sleep as it
flushes.
Signed-off-by: Chris Wilson
---
Documentation/gpu/i915.rst| 3 -
drivers/gpu/drm/i915/display/intel_display.c | 70 +++--
.../drm/i915/display/intel_display_types.h| 1 +
drivers/gpu/drm/i915/display/intel_fbdev.c| 40 ++-
.../gpu/drm/i915/display/intel_frontbuffer.c | 255 +-
.../gpu/drm/i915/display/intel_frontbuffer.h | 70 +++--
drivers/gpu/drm/i915/display/intel_overlay.c | 8 +-
drivers/gpu/drm/i915/gem/i915_gem_clflush.c | 2 +-
drivers/gpu/drm/i915/gem/i915_gem_domain.c| 14 +-
drivers/gpu/drm/i915/gem/i915_gem_mman.c | 4 -
drivers/gpu/drm/i915/gem/i915_gem_object.c| 27 +-
drivers/gpu/drm/i915/gem/i915_gem_object.h| 2 +-
.../gpu/drm/i915/gem/i915_gem_object_types.h | 8 +-
drivers/gpu/drm/i915/i915_debugfs.c | 5 -
drivers/gpu/drm/i915/i915_drv.h | 4 -
drivers/gpu/drm/i915/i915_gem.c | 47 +---
drivers/gpu/drm/i915/i915_vma.c | 6 +-
17 files changed, 306 insertions(+), 260 deletions(-)
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
index 0e322688be5c..3415255ad3dc 100644
--- a/Documentation/gpu/i915.rst
+++ b/Documentation/gpu/i915.rst
@@ -91,9 +91,6 @@ Frontbuffer Tracking
.. kernel-doc:: drivers/gpu/drm/i915/display/intel_frontbuffer.c
:internal:
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem.c
- :functions: i915_gem_track_fb
-
Display FIFO Underrun Reporting
---
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index 5b733e38eae3..c6a3f5753769 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3049,12 +3049,13 @@ intel_alloc_initial_plane_obj(struct intel_crtc *crtc,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
- struct drm_i915_gem_object *obj = NULL;
struct drm_mode_fb_cmd2 mode_cmd = { 0 };
struct drm_framebuffer *fb = _config->fb->base;
u32 base_aligned = round_down(plane_config->base, PAGE_SIZE);
u32 size_aligned = round_up(plane_config->base + plane_config->size,
PAGE_SIZE);
+ struct drm_i915_gem_object *obj;
+ bool ret = false;
size_aligned -= base_aligned;
@@ -3096,7 +3097,7 @@ intel_alloc_initial_plane_obj(struct intel_crtc *crtc,
break;
default:
MISSING_CASE(plane_config->tiling);
- return false;
+ goto out;
}
mode_cmd.pixel_format = fb->format->format;
@@ -3108,16 +3109,15 @@ intel_alloc_initial_plane_obj(struct intel_crtc *crtc,
if (intel_framebuffer_init(to_intel_framebuffer(fb), obj, _cmd)) {
DRM_DEBUG_KMS("intel fb init failed\n");
- goto out_unref_obj;
+ goto out;
}
DRM_DEBUG_KMS("initial plane fb obj %p\n", obj);
- return true;
-
-out_unref_obj:
+ ret = true;
+out:
i915_gem_object_put(obj);
- return false;
+ return ret;
}
static void
@@ -3174,6 +3174,12 @@ static void intel_plane_disable_noatomic(struct
intel_crtc *crtc,
intel_disable_plane(plane, crtc_state);
}
+static struct intel_frontbuffer *
+to_intel_frontbuffer(struct drm_framebuffer *fb)
+{
+ return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL;
+}
+
static void
intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
struct intel_initial_plane_config *plane_config)
@@ -3181,7 +3187,6 @@ intel_find_initial_plane_obj(struct intel_crtc
*intel_crtc,
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *c;
- struct drm_i915_gem_object *obj;
struct drm_plane *primary = intel_crtc->base.primary;
struct drm_plane_state *plane_state = primary->state;
struct intel_plane *intel_plane = to_intel_plane(primary);
@@ -3257,8 +3262,7 @@ intel_find_initial_plane_obj(struct intel_crtc
*intel_crtc,
return;
}
- obj = intel_fb_obj(fb);
- intel_fb_obj_flush(obj, ORIGIN_DIRTYFB);
+ intel_frontbuffer_flush(to_intel_frontbuffer(fb), ORIGIN_DIRTYFB);
plane_state->src_x = 0;
plane_state->src_y = 0;
@@ -3273,14 +3277,14 @@ intel_find_initial_plane_obj(struct intel_crtc
*intel_crtc,
intel_state->base.src = drm_plane_state_src(plane_state);
intel_state->base.dst =
