[Intel-gfx] [PATCH v2 3/3] drm/i915/psr: Move sink-crc to intel_psr.c

[Dhinakaran Pandiyan]

With sink-crc now being relevant only for PSR static frames, move the
code to intel_psr.c and rename the function.

v2: Rebased.
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c |  4 ++--
 drivers/gpu/drm/i915/intel_dp.c     | 36 ------------------------------------
 drivers/gpu/drm/i915/intel_drv.h    |  2 +-
 drivers/gpu/drm/i915/intel_psr.c    | 36 ++++++++++++++++++++++++++++++++++++
 4 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e4ba6527c16e..a84f410ad722 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2786,7 +2786,7 @@ static int i915_sink_crc(struct seq_file *m, void *data)
 		intel_dp = enc_to_intel_dp(state->best_encoder);
 		vrefresh = crtc_state->base.adjusted_mode.vrefresh;
 
-		ret = intel_dp_sink_crc(intel_dp, vrefresh, crc);
+		ret = intel_psr_sink_crc(intel_dp, vrefresh, crc);
 		if (ret)
 			goto err;
 
@@ -4856,7 +4856,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_ppgtt_info", i915_ppgtt_info, 0},
 	{"i915_llc", i915_llc, 0},
 	{"i915_edp_psr_status", i915_edp_psr_status, 0},
-	{"i915_sink_crc_eDP1", i915_sink_crc, 0},
+	{"i915_edp_psr_sink_crc", i915_sink_crc, 0},
 	{"i915_energy_uJ", i915_energy_uJ, 0},
 	{"i915_runtime_pm_status", i915_runtime_pm_status, 0},
 	{"i915_power_domain_info", i915_power_domain_info, 0},
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3ab3f82e33f6..ff7522d3632e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3876,42 +3876,6 @@ intel_dp_configure_mst(struct intel_dp *intel_dp)
 					intel_dp->is_mst);
 }
 
-int intel_dp_sink_crc(struct intel_dp *intel_dp, int vrefresh, u8 *crc)
-{
-	int count = 0, ret = 0, attempts;
-	int half_frame_us = DIV_ROUND_UP(1000000/2, vrefresh);
-
-	for (attempts = 0; attempts < 3 && count == 0; attempts++) {
-		u8 buf;
-
-		/* Wait for approximately half a frame, we cannot wait for a
-		 * vblank interrupt as it triggers PSR exit.
-		 */
-		if (attempts)
-			usleep_range(half_frame_us, half_frame_us + 100);
-
-		if (drm_dp_dpcd_readb(&intel_dp->aux,
-				      DP_TEST_SINK_MISC, &buf) < 0) {
-			ret = -EIO;
-			goto out;
-		}
-		count = buf & DP_TEST_COUNT_MASK;
-	}
-
-	if (attempts == 3) {
-		ret = -ETIMEDOUT;
-		goto out;
-	}
-
-	if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) != 6) {
-		ret = -EIO;
-		goto out;
-	}
-
-out:
-	return ret;
-}
-
 static bool
 intel_dp_get_sink_irq(struct intel_dp *intel_dp, u8 *sink_irq_vector)
 {
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 48073be8a023..d4e5a407777f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1644,7 +1644,6 @@ void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
 void intel_dp_encoder_reset(struct drm_encoder *encoder);
 void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
 void intel_dp_encoder_destroy(struct drm_encoder *encoder);
-int intel_dp_sink_crc(struct intel_dp *intel_dp, int vrefresh, u8 *crc);
 bool intel_dp_compute_config(struct intel_encoder *encoder,
 			     struct intel_crtc_state *pipe_config,
 			     struct drm_connector_state *conn_state);
@@ -1900,6 +1899,7 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
 			      struct intel_crtc_state *crtc_state);
 void intel_psr_irq_control(struct drm_i915_private *dev_priv, bool debug);
 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
+int intel_psr_sink_crc(struct intel_dp *intel_dp, int vrefresh, u8 *crc);
 
 /* intel_runtime_pm.c */
 int intel_power_domains_init(struct drm_i915_private *);
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 0d548292dd09..8b3a3459eae5 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -197,6 +197,42 @@ static u8 intel_dp_get_sink_sync_latency(struct intel_dp *intel_dp)
 	return val;
 }
 
+int intel_psr_sink_crc(struct intel_dp *intel_dp, int vrefresh, u8 *crc)
+{
+	int count = 0, ret = 0, attempts;
+	int half_frame_us = DIV_ROUND_UP(1000000/2, vrefresh);
+
+	for (attempts = 0; attempts < 3 && count == 0; attempts++) {
+		u8 buf;
+
+		/* Wait for approximately half a frame, we cannot wait for a
+		 * vblank interrupt as it triggers PSR exit.
+		 */
+		if (attempts)
+			usleep_range(half_frame_us, half_frame_us + 100);
+
+		if (drm_dp_dpcd_readb(&intel_dp->aux,
+				      DP_TEST_SINK_MISC, &buf) < 0) {
+			ret = -EIO;
+			goto out;
+		}
+		count = buf & DP_TEST_COUNT_MASK;
+	}
+
+	if (attempts == 3) {
+		ret = -ETIMEDOUT;
+		goto out;
+	}
+
+	if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) != 6) {
+		ret = -EIO;
+		goto out;
+	}
+
+out:
+	return ret;
+}
+
 void intel_psr_init_dpcd(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv =
-- 
2.14.1