[Intel-gfx] [PATCH 11/16] drm/i915: Query the vswing levels per-lane for snps phy

Ville Syrjala
2021-10-06T20:50:24Z

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Prepare for per-lane drive settings by querying the desired vswing
level per-lane.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_snps_phy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c b/drivers/gpu/drm/i915/display/intel_snps_phy.c
index 5e20f340730f..c2251218a39e 100644
--- a/drivers/gpu/drm/i915/display/intel_snps_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c
@@ -58,7 +58,6 @@ void intel_snps_phy_set_signal_levels(struct intel_encoder *encoder,
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
const struct intel_ddi_buf_trans *trans;
enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
- int level = intel_ddi_level(encoder, crtc_state, 0);
int n_entries, ln;

trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
@@ -66,6 +65,7 @@ void intel_snps_phy_set_signal_levels(struct intel_encoder *encoder,
return;

for (ln = 0; ln < 4; ln++) {
+ int level = intel_ddi_level(encoder, crtc_state, ln);
u32 val = 0;

val |= REG_FIELD_PREP(SNPS_PHY_TX_EQ_MAIN, trans->entries[level].snps.vswing);
--
2.32.0