Non-functional change useful for the following patch.
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_psr.c | 31 ++++++++++++++++++++-----------
1 file changed, 20 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 975ebb51c7af..86d6c19c9ae6 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -246,7 +246,7 @@ static i915_reg_t psr_aux_data_reg(struct drm_i915_private *dev_priv,
return EDP_PSR_AUX_DATA(index);
}
-static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
+static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
@@ -267,6 +267,24 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
BUILD_BUG_ON(sizeof(aux_msg) > 20);
aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);
+ aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
+
+ /* Setup AUX registers */
+ for (i = 0; i < sizeof(aux_msg); i += 4)
+ I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
+ intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
+
+ aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
+ aux_clock_divider);
+ I915_WRITE(aux_ctl_reg, aux_ctl);
+}
+
+static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
+{
+ struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
+ struct drm_device *dev = dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
/* Enable AUX frame sync at sink */
if (dev_priv->psr.aux_frame_sync)
@@ -285,16 +303,7 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
DP_PSR_ENABLE);
- aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
-
- /* Setup AUX registers */
- for (i = 0; i < sizeof(aux_msg); i += 4)
- I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
- intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
-
- aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
- aux_clock_divider);
- I915_WRITE(aux_ctl_reg, aux_ctl);
+ hsw_psr_setup_aux(intel_dp);
}
static void vlv_psr_enable_source(struct intel_dp *intel_dp,
--
2.14.1
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