drm/i915: move icl_sagv_{pre, post}_plane_update() to intel_bw.c

Prefer only looking at struct intel_bw_state internals inside
intel_bw.c. To that effect, move icl_sagv_{pre,post}_plane_update()
there.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/dedcbeb3389ecd50195aa37de75e9992fae5d197.1750847509.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Author: jnikula

drivers/gpu/drm/i915/display/intel_bw.c

@@ -153,8 +153,8 @@ static bool is_sagv_enabled(struct intel_display *display, u16 points_mask)
 			      ICL_PCODE_REQ_QGV_PT_MASK);
 }
 
-int icl_pcode_restrict_qgv_points(struct intel_display *display,
-				  u32 points_mask)
+static int icl_pcode_restrict_qgv_points(struct intel_display *display,
+					 u32 points_mask)
 {
 	int ret;
 
@@ -981,6 +981,70 @@ static void icl_force_disable_sagv(struct intel_display *display,
 	icl_pcode_restrict_qgv_points(display, bw_state->qgv_points_mask);
 }
 
+void icl_sagv_pre_plane_update(struct intel_atomic_state *state)
+{
+	struct intel_display *display = to_intel_display(state);
+	const struct intel_bw_state *old_bw_state =
+		intel_atomic_get_old_bw_state(state);
+	const struct intel_bw_state *new_bw_state =
+		intel_atomic_get_new_bw_state(state);
+	u16 old_mask, new_mask;
+
+	if (!new_bw_state)
+		return;
+
+	old_mask = old_bw_state->qgv_points_mask;
+	new_mask = old_bw_state->qgv_points_mask | new_bw_state->qgv_points_mask;
+
+	if (old_mask == new_mask)
+		return;
+
+	WARN_ON(!new_bw_state->base.changed);
+
+	drm_dbg_kms(display->drm, "Restricting QGV points: 0x%x -> 0x%x\n",
+		    old_mask, new_mask);
+
+	/*
+	 * Restrict required qgv points before updating the configuration.
+	 * According to BSpec we can't mask and unmask qgv points at the same
+	 * time. Also masking should be done before updating the configuration
+	 * and unmasking afterwards.
+	 */
+	icl_pcode_restrict_qgv_points(display, new_mask);
+}
+
+void icl_sagv_post_plane_update(struct intel_atomic_state *state)
+{
+	struct intel_display *display = to_intel_display(state);
+	const struct intel_bw_state *old_bw_state =
+		intel_atomic_get_old_bw_state(state);
+	const struct intel_bw_state *new_bw_state =
+		intel_atomic_get_new_bw_state(state);
+	u16 old_mask, new_mask;
+
+	if (!new_bw_state)
+		return;
+
+	old_mask = old_bw_state->qgv_points_mask | new_bw_state->qgv_points_mask;
+	new_mask = new_bw_state->qgv_points_mask;
+
+	if (old_mask == new_mask)
+		return;
+
+	WARN_ON(!new_bw_state->base.changed);
+
+	drm_dbg_kms(display->drm, "Relaxing QGV points: 0x%x -> 0x%x\n",
+		    old_mask, new_mask);
+
+	/*
+	 * Allow required qgv points after updating the configuration.
+	 * According to BSpec we can't mask and unmask qgv points at the same
+	 * time. Also masking should be done before updating the configuration
+	 * and unmasking afterwards.
+	 */
+	icl_pcode_restrict_qgv_points(display, new_mask);
+}
+
 static int mtl_find_qgv_points(struct intel_display *display,
 			       unsigned int data_rate,
 			       unsigned int num_active_planes,

drivers/gpu/drm/i915/display/intel_bw.h

@@ -67,8 +67,6 @@ intel_atomic_get_bw_state(struct intel_atomic_state *state);
 void intel_bw_init_hw(struct intel_display *display);
 int intel_bw_init(struct intel_display *display);
 int intel_bw_atomic_check(struct intel_atomic_state *state, bool any_ms);
-int icl_pcode_restrict_qgv_points(struct intel_display *display,
-				  u32 points_mask);
 int intel_bw_calc_min_cdclk(struct intel_atomic_state *state,
 			    bool *need_cdclk_calc);
 int intel_bw_min_cdclk(struct intel_display *display,
@@ -79,5 +77,7 @@ void intel_bw_crtc_disable_noatomic(struct intel_crtc *crtc);
 bool intel_bw_pmdemand_needs_update(struct intel_atomic_state *state);
 bool intel_bw_can_enable_sagv(struct intel_display *display,
 			      const struct intel_bw_state *bw_state);
+void icl_sagv_pre_plane_update(struct intel_atomic_state *state);
+void icl_sagv_post_plane_update(struct intel_atomic_state *state);
 
 #endif /* __INTEL_BW_H__ */

drivers/gpu/drm/i915/display/skl_watermark.c

@@ -265,70 +265,6 @@ static void skl_sagv_post_plane_update(struct intel_atomic_state *state)
 		skl_sagv_enable(display);
 }
 
-static void icl_sagv_pre_plane_update(struct intel_atomic_state *state)
-{
-	struct intel_display *display = to_intel_display(state);
-	const struct intel_bw_state *old_bw_state =
-		intel_atomic_get_old_bw_state(state);
-	const struct intel_bw_state *new_bw_state =
-		intel_atomic_get_new_bw_state(state);
-	u16 old_mask, new_mask;
-
-	if (!new_bw_state)
-		return;
-
-	old_mask = old_bw_state->qgv_points_mask;
-	new_mask = old_bw_state->qgv_points_mask | new_bw_state->qgv_points_mask;
-
-	if (old_mask == new_mask)
-		return;
-
-	WARN_ON(!new_bw_state->base.changed);
-
-	drm_dbg_kms(display->drm, "Restricting QGV points: 0x%x -> 0x%x\n",
-		    old_mask, new_mask);
-
-	/*
-	 * Restrict required qgv points before updating the configuration.
-	 * According to BSpec we can't mask and unmask qgv points at the same
-	 * time. Also masking should be done before updating the configuration
-	 * and unmasking afterwards.
-	 */
-	icl_pcode_restrict_qgv_points(display, new_mask);
-}
-
-static void icl_sagv_post_plane_update(struct intel_atomic_state *state)
-{
-	struct intel_display *display = to_intel_display(state);
-	const struct intel_bw_state *old_bw_state =
-		intel_atomic_get_old_bw_state(state);
-	const struct intel_bw_state *new_bw_state =
-		intel_atomic_get_new_bw_state(state);
-	u16 old_mask, new_mask;
-
-	if (!new_bw_state)
-		return;
-
-	old_mask = old_bw_state->qgv_points_mask | new_bw_state->qgv_points_mask;
-	new_mask = new_bw_state->qgv_points_mask;
-
-	if (old_mask == new_mask)
-		return;
-
-	WARN_ON(!new_bw_state->base.changed);
-
-	drm_dbg_kms(display->drm, "Relaxing QGV points: 0x%x -> 0x%x\n",
-		    old_mask, new_mask);
-
-	/*
-	 * Allow required qgv points after updating the configuration.
-	 * According to BSpec we can't mask and unmask qgv points at the same
-	 * time. Also masking should be done before updating the configuration
-	 * and unmasking afterwards.
-	 */
-	icl_pcode_restrict_qgv_points(display, new_mask);
-}
-
 void intel_sagv_pre_plane_update(struct intel_atomic_state *state)
 {
 	struct intel_display *display = to_intel_display(state);