[PATCH 11/16] drm/i915/cdclk: abstract intel_cdclk_bw_min_cdclk()

[Jani Nikula]

Add intel_cdclk_bw_min_cdclk() helper to avoid looking at struct
intel_cdclk_state internals outside of intel_cdclk.c.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_bw.c    | 4 ++--
 drivers/gpu/drm/i915/display/intel_cdclk.c | 5 +++++
 drivers/gpu/drm/i915/display/intel_cdclk.h | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 67c54c144274..306a13ef8b35 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -1461,12 +1461,12 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state *state,
 	 * requirements. This can reduce back and forth
 	 * display blinking due to constant cdclk changes.
 	 */
-	if (new_min_cdclk <= cdclk_state->bw_min_cdclk)
+	if (new_min_cdclk <= intel_cdclk_bw_min_cdclk(cdclk_state))
 		return 0;
 
 	drm_dbg_kms(display->drm,
 		    "new bandwidth min cdclk (%d kHz) > old min cdclk (%d kHz)\n",
-		    new_min_cdclk, cdclk_state->bw_min_cdclk);
+		    new_min_cdclk, intel_cdclk_bw_min_cdclk(cdclk_state));
 	*need_cdclk_calc = true;
 
 	return 0;
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 05e94fcd8326..59d126e1b12a 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -3847,3 +3847,8 @@ int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe
 {
 	return cdclk_state->min_cdclk[pipe];
 }
+
+int intel_cdclk_bw_min_cdclk(const struct intel_cdclk_state *cdclk_state)
+{
+	return cdclk_state->bw_min_cdclk;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
index ef6ad9d04c20..fe1a1f1c1900 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -99,5 +99,6 @@ void intel_cdclk_debugfs_register(struct intel_display *display);
 
 int intel_cdclk_logical(const struct intel_cdclk_state *cdclk_state);
 int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe pipe);
+int intel_cdclk_bw_min_cdclk(const struct intel_cdclk_state *cdclk_state);
 
 #endif /* __INTEL_CDCLK_H__ */
-- 
2.39.5