[PATCH 14/16] drm/i915/cdclk: abstract intel_cdclk_read_hw()

[Jani Nikula]

Add intel_cdclk_read_hw() function to avoid looking at struct
intel_cdclk_state internals outside of intel_cdclk.c.

intel_cdclk_init_hw() would be a better name, but we already have that.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_cdclk.c          | 12 ++++++++++++
 drivers/gpu/drm/i915/display/intel_cdclk.h          |  1 +
 drivers/gpu/drm/i915/display/intel_display_driver.c |  8 +-------
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index f63b6b3b5476..994be1d0e20c 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -3872,3 +3872,15 @@ void intel_cdclk_force_min_cdclk(struct intel_cdclk_state *cdclk_state, int forc
 {
 	cdclk_state->force_min_cdclk = force_min_cdclk;
 }
+
+void intel_cdclk_read_hw(struct intel_display *display)
+{
+	struct intel_cdclk_state *cdclk_state;
+
+	cdclk_state = to_intel_cdclk_state(display->cdclk.obj.state);
+
+	intel_update_cdclk(display);
+	intel_cdclk_dump_config(display, &display->cdclk.hw, "Current CDCLK");
+	cdclk_state->actual = display->cdclk.hw;
+	cdclk_state->logical = display->cdclk.hw;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
index ff10ed526bd4..0d5ee1826168 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -102,5 +102,6 @@ int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe
 int intel_cdclk_bw_min_cdclk(const struct intel_cdclk_state *cdclk_state);
 bool intel_cdclk_pmdemand_needs_update(struct intel_atomic_state *state);
 void intel_cdclk_force_min_cdclk(struct intel_cdclk_state *cdclk_state, int force_min_cdclk);
+void intel_cdclk_read_hw(struct intel_display *display);
 
 #endif /* __INTEL_CDCLK_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index ec799a1773e4..9058c23dd487 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -84,16 +84,10 @@ bool intel_display_driver_probe_defer(struct pci_dev *pdev)
 
 void intel_display_driver_init_hw(struct intel_display *display)
 {
-	struct intel_cdclk_state *cdclk_state;
-
 	if (!HAS_DISPLAY(display))
 		return;
 
-	cdclk_state = to_intel_cdclk_state(display->cdclk.obj.state);
-
-	intel_update_cdclk(display);
-	intel_cdclk_dump_config(display, &display->cdclk.hw, "Current CDCLK");
-	cdclk_state->logical = cdclk_state->actual = display->cdclk.hw;
+	intel_cdclk_read_hw(display);
 
 	intel_display_wa_apply(display);
 }
-- 
2.39.5