We quite often need now to iterate only particular dbuf slices
in mask, whether they are active or related to particular crtc.
v2: - Minor code refactoring
v3: - Use enum for max slices instead of macro
Let's make our life a bit easier and use a macro for that.
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.h | 7 +++++++
drivers/gpu/drm/i915/display/intel_display_power.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index cc7f287804d7..9aab7e5181fd 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -187,6 +187,13 @@ enum plane_id {
for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
for_each_if((__crtc)->plane_ids_mask & BIT(__p))
+#define for_each_dbuf_slice_in_mask(__slice, __mask) \
+ for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \
+ for_each_if((BIT(__slice)) & (__mask))
+
+#define for_each_dbuf_slice(__slice) \
+ for_each_dbuf_slice_in_mask(__slice, BIT(I915_MAX_DBUF_SLICES) - 1)
+
enum port {
PORT_NONE = -1,
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index da64a5edae7a..b682fd3d0973 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -311,6 +311,7 @@ intel_display_power_put_async(struct drm_i915_private *i915,
enum dbuf_slice {
DBUF_S1,
DBUF_S2,
+ I915_MAX_DBUF_SLICES
};
#define with_intel_display_power(i915, domain, wf) \
--
2.24.1.485.gad05a3d8e5
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