From 090466f2462386156cefb61132fb20c71def2208 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 8 Jun 2021 10:35:58 +0300
Subject: drm/i915: Fix dg1 buf trans tables
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Git-commit: 5aca4881f3f468475d91e0ed625da11111bfeb22
Patch-mainline: v5.15-rc1
References: jsc#SLE-22601
For some reason the dg1 buf trans tables have been stuffed into
icl_get_combo_buf_trans_edp() which doesn't even get called
on dg1. Split them out into a proper dg1 specific function,
and also make sure we use the proper buf trans tables for
DP as well as eDP.
v2: Add the hobl stuff
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210608073603.2408-13-ville.syrjala@linux.intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
.../drm/i915/display/intel_ddi_buf_trans.c | 55 +++++++++++++++++--
1 file changed, 49 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
index fcb67deb46dd..52bc6cbe36cf 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
@@ -1325,12 +1325,6 @@ icl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
} else if (dev_priv->vbt.edp.low_vswing) {
return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
n_entries);
- } else if (IS_DG1(dev_priv) && crtc_state->port_clock > 270000) {
- return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_hbr2_hbr3,
- n_entries);
- } else if (IS_DG1(dev_priv)) {
- return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_rbr_hbr,
- n_entries);
}
return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
@@ -1545,6 +1539,53 @@ tgl_get_combo_buf_trans(struct intel_encoder *encoder,
return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
}
+static const struct intel_ddi_buf_trans *
+dg1_get_combo_buf_trans_dp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ int *n_entries)
+{
+ if (crtc_state->port_clock > 270000)
+ return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_hbr2_hbr3,
+ n_entries);
+ else
+ return intel_get_buf_trans(&dg1_combo_phy_ddi_translations_dp_rbr_hbr,
+ n_entries);
+}
+
+static const struct intel_ddi_buf_trans *
+dg1_get_combo_buf_trans_edp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ int *n_entries)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+
+ if (crtc_state->port_clock > 540000)
+ return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr3,
+ n_entries);
+ else if (dev_priv->vbt.edp.hobl && !intel_dp->hobl_failed)
+ return intel_get_buf_trans(&tgl_combo_phy_ddi_translations_edp_hbr2_hobl,
+ n_entries);
+ else if (dev_priv->vbt.edp.low_vswing)
+ return intel_get_buf_trans(&icl_combo_phy_ddi_translations_edp_hbr2,
+ n_entries);
+ else
+ return dg1_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
+}
+
+static const struct intel_ddi_buf_trans *
+dg1_get_combo_buf_trans(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ int *n_entries)
+{
+ if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
+ return icl_get_combo_buf_trans_hdmi(encoder, crtc_state, n_entries);
+ else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
+ return dg1_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
+ else
+ return dg1_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
+}
+
static const struct intel_ddi_buf_trans *
rkl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
@@ -1682,6 +1723,8 @@ void intel_ddi_buf_trans_init(struct intel_encoder *encoder)
encoder->get_buf_trans = adlp_get_dkl_buf_trans;
} else if (IS_ROCKETLAKE(i915)) {
encoder->get_buf_trans = rkl_get_combo_buf_trans;
+ } else if (IS_DG1(i915)) {
+ encoder->get_buf_trans = dg1_get_combo_buf_trans;
} else if (DISPLAY_VER(i915) >= 12) {
if (intel_phy_is_combo(i915, phy))
encoder->get_buf_trans = tgl_get_combo_buf_trans;
--
2.33.1