[PATCH 10/16] drm/i915/cdclk: abstract intel_cdclk_min_cdclk()

Jani Nikula jani.nikula at intel.com
Thu Jun 12 12:12:05 UTC 2025


Add intel_cdclk_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_atomic_plane.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_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index 15ede7678636..1e9b906c3e44 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -333,7 +333,7 @@ int intel_plane_calc_min_cdclk(struct intel_atomic_state *state,
 	 * display blinking due to constant cdclk changes.
 	 */
 	if (new_crtc_state->min_cdclk[plane->id] <=
-	    cdclk_state->min_cdclk[crtc->pipe])
+	    intel_cdclk_min_cdclk(cdclk_state, crtc->pipe))
 		return 0;
 
 	drm_dbg_kms(display->drm,
@@ -341,7 +341,7 @@ int intel_plane_calc_min_cdclk(struct intel_atomic_state *state,
 		    plane->base.base.id, plane->base.name,
 		    new_crtc_state->min_cdclk[plane->id],
 		    crtc->base.base.id, crtc->base.name,
-		    cdclk_state->min_cdclk[crtc->pipe]);
+		    intel_cdclk_min_cdclk(cdclk_state, crtc->pipe));
 	*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 5082d2b64ce5..05e94fcd8326 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -3842,3 +3842,8 @@ int intel_cdclk_logical(const struct intel_cdclk_state *cdclk_state)
 {
 	return cdclk_state->logical.cdclk;
 }
+
+int intel_cdclk_min_cdclk(const struct intel_cdclk_state *cdclk_state, enum pipe pipe)
+{
+	return cdclk_state->min_cdclk[pipe];
+}
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.h b/drivers/gpu/drm/i915/display/intel_cdclk.h
index 20a66f613072..ef6ad9d04c20 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.h
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.h
@@ -98,5 +98,6 @@ int intel_cdclk_init(struct intel_display *display);
 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);
 
 #endif /* __INTEL_CDCLK_H__ */
-- 
2.39.5



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