[PATCH 2/5] drm/i915/frontbuffer: hide ->bits more

[Jani Nikula]

Add helpers for ->bits in preparation for making struct
intel_frontbuffer opaque.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_fb.c            |  2 +-
 drivers/gpu/drm/i915/display/intel_frontbuffer.c   | 10 ++++++++++
 drivers/gpu/drm/i915/display/intel_frontbuffer.h   |  3 +++
 drivers/gpu/drm/i915/display/intel_plane_initial.c |  2 +-
 drivers/gpu/drm/xe/display/xe_plane_initial.c      |  2 +-
 5 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index 8069abf91c5e..a49b5a1589a6 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -1965,7 +1965,7 @@ static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb,
 	struct frontbuffer_fence_cb *cb;
 	int ret = 0;
 
-	if (!atomic_read(&front->bits))
+	if (!intel_frontbuffer_bits(front))
 		return 0;
 
 	if (dma_resv_test_signaled(intel_bo_to_drm_bo(obj)->resv, dma_resv_usage_rw(false)))
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
index 7964eaa6a60a..effb13e8a6bb 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
@@ -67,6 +67,16 @@
 #include "intel_psr.h"
 #include "intel_tdf.h"
 
+unsigned int intel_frontbuffer_bits(struct intel_frontbuffer *front)
+{
+	return atomic_read(&front->bits);
+}
+
+void intel_frontbuffer_bits_or(struct intel_frontbuffer *front, unsigned int bits)
+{
+	atomic_or(bits, &front->bits);
+}
+
 /**
  * frontbuffer_flush - flush frontbuffer
  * @i915: i915 device
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.h b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
index f4a3495300de..827b0129da71 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.h
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
@@ -67,6 +67,9 @@ struct intel_frontbuffer {
 	GENMASK(INTEL_FRONTBUFFER_BITS_PER_PIPE * ((pipe) + 1) - 1,	\
 		INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))
 
+unsigned int intel_frontbuffer_bits(struct intel_frontbuffer *front);
+void intel_frontbuffer_bits_or(struct intel_frontbuffer *front, unsigned int bits);
+
 void intel_frontbuffer_flip_prepare(struct drm_i915_private *i915,
 				    unsigned frontbuffer_bits);
 void intel_frontbuffer_flip_complete(struct drm_i915_private *i915,
diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c
index ada1792df5b3..7cc9863ffce8 100644
--- a/drivers/gpu/drm/i915/display/intel_plane_initial.c
+++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c
@@ -391,7 +391,7 @@ intel_find_initial_plane_obj(struct intel_crtc *crtc,
 	plane_state->uapi.crtc = &crtc->base;
 	intel_plane_copy_uapi_to_hw_state(plane_state, plane_state, crtc);
 
-	atomic_or(plane->frontbuffer_bit, &to_intel_frontbuffer(fb)->bits);
+	intel_frontbuffer_bits_or(to_intel_frontbuffer(fb), plane->frontbuffer_bit);
 }
 
 static void plane_config_fini(struct intel_initial_plane_config *plane_config)
diff --git a/drivers/gpu/drm/xe/display/xe_plane_initial.c b/drivers/gpu/drm/xe/display/xe_plane_initial.c
index e135b20962d9..a838459c49ae 100644
--- a/drivers/gpu/drm/xe/display/xe_plane_initial.c
+++ b/drivers/gpu/drm/xe/display/xe_plane_initial.c
@@ -232,7 +232,7 @@ intel_find_initial_plane_obj(struct intel_crtc *crtc,
 	plane_state->uapi.crtc = &crtc->base;
 	intel_plane_copy_uapi_to_hw_state(plane_state, plane_state, crtc);
 
-	atomic_or(plane->frontbuffer_bit, &to_intel_frontbuffer(fb)->bits);
+	intel_frontbuffer_bits_or(to_intel_frontbuffer(fb), plane->frontbuffer_bit);
 
 	plane_config->vma = vma;
 
-- 
2.39.2