[PATCH 07/14] drm/i915: Move M/N setup to a more logical place on ddi platforms

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Let's do the cpu transcoder M/N setup next to where we program
most other cpu transcoder timings/etc.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_ddi.c     | 10 +---------
 drivers/gpu/drm/i915/display/intel_display.c | 14 ++++++++++----
 drivers/gpu/drm/i915/display/intel_dp_mst.c  |  4 ----
 3 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 9bc916d36bd2..b170ebb387f8 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2498,8 +2498,6 @@ static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,
 				    const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 
 	if (DISPLAY_VER(dev_priv) >= 12)
 		tgl_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state);
@@ -2509,14 +2507,8 @@ static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	/* MST will call a setting of MSA after an allocating of Virtual Channel
 	 * from MST encoder pre_enable callback.
 	 */
-	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) {
+	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))
 		intel_ddi_set_dp_msa(crtc_state, conn_state);
-
-		intel_cpu_transcoder_set_m1_n1(crtc, cpu_transcoder,
-					       &crtc_state->dp_m_n);
-		intel_cpu_transcoder_set_m2_n2(crtc, cpu_transcoder,
-					       &crtc_state->dp_m2_n2);
-	}
 }
 
 static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state,
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 602ea6d15628..50dbc2116c14 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2003,16 +2003,22 @@ static void hsw_configure_cpu_transcoder(const struct intel_crtc_state *crtc_sta
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 
+	if (crtc_state->has_pch_encoder) {
+		intel_cpu_transcoder_set_m1_n1(crtc, cpu_transcoder,
+					       &crtc_state->fdi_m_n);
+	} else if (intel_crtc_has_dp_encoder(crtc_state)) {
+		intel_cpu_transcoder_set_m1_n1(crtc, cpu_transcoder,
+					       &crtc_state->dp_m_n);
+		intel_cpu_transcoder_set_m2_n2(crtc, cpu_transcoder,
+					       &crtc_state->dp_m2_n2);
+	}
+
 	intel_set_transcoder_timings(crtc_state);
 
 	if (cpu_transcoder != TRANSCODER_EDP)
 		intel_de_write(dev_priv, PIPE_MULT(cpu_transcoder),
 			       crtc_state->pixel_multiplier - 1);
 
-	if (crtc_state->has_pch_encoder)
-		intel_cpu_transcoder_set_m1_n1(crtc, cpu_transcoder,
-					       &crtc_state->fdi_m_n);
-
 	hsw_set_frame_start_delay(crtc_state);
 
 	hsw_set_transconf(crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 95f9a5c03a47..6b6eab507d30 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -472,7 +472,6 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
 	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &dig_port->dp;
-	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_connector *connector =
 		to_intel_connector(conn_state->connector);
@@ -523,9 +522,6 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
 		intel_ddi_enable_pipe_clock(encoder, pipe_config);
 
 	intel_ddi_set_dp_msa(pipe_config, conn_state);
-
-	intel_cpu_transcoder_set_m1_n1(crtc, pipe_config->cpu_transcoder,
-				       &pipe_config->dp_m_n);
 }
 
 static void intel_mst_enable_dp(struct intel_atomic_state *state,
-- 
2.34.1




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