diff mbox series

[10/14] drm/i915: Program FDI RX TUSIZE2

Message ID 20220127093303.17309-11-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915: M/N cleanup | expand

Commit Message

Ville Syrjälä Jan. 27, 2022, 9:32 a.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

When using the refresh rate swithching with FDI we must program
RXTUSIZE2 in addition to RXTUSIZE1.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_fdi.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c
index fdbeaf6f38f4..4b634c1d2837 100644
--- a/drivers/gpu/drm/i915/display/intel_fdi.c
+++ b/drivers/gpu/drm/i915/display/intel_fdi.c
@@ -381,6 +381,8 @@  static void ilk_fdi_link_train(struct intel_crtc *crtc,
 	 */
 	intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe),
 		       intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK);
+	intel_de_write(dev_priv, FDI_RX_TUSIZE2(pipe),
+		       intel_de_read(dev_priv, PIPE_DATA_M2(pipe)) & TU_SIZE_MASK);
 
 	/* FDI needs bits from pipe first */
 	assert_transcoder_enabled(dev_priv, crtc_state->cpu_transcoder);
@@ -491,6 +493,8 @@  static void gen6_fdi_link_train(struct intel_crtc *crtc,
 	 */
 	intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe),
 		       intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK);
+	intel_de_write(dev_priv, FDI_RX_TUSIZE2(pipe),
+		       intel_de_read(dev_priv, PIPE_DATA_M2(pipe)) & TU_SIZE_MASK);
 
 	/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
 	   for train result */
@@ -637,6 +641,8 @@  static void ivb_manual_fdi_link_train(struct intel_crtc *crtc,
 	 */
 	intel_de_write(dev_priv, FDI_RX_TUSIZE1(pipe),
 		       intel_de_read(dev_priv, PIPE_DATA_M1(pipe)) & TU_SIZE_MASK);
+	intel_de_write(dev_priv, FDI_RX_TUSIZE2(pipe),
+		       intel_de_read(dev_priv, PIPE_DATA_M2(pipe)) & TU_SIZE_MASK);
 
 	/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
 	   for train result */