Reviewed-by: Swathi Dhanavanthri <swathi.dhanavanthri@xxxxxxxxx>
-----Original Message-----
From: Matt Roper <matthew.d.roper@xxxxxxxxx>
Sent: Thursday, December 17, 2020 8:06 PM
To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Roper, Matthew D <matthew.d.roper@xxxxxxxxx>
Subject: [PATCH] drm/i915/rkl: Add DP vswing programming tables
The bspec has been updated with new vswing programming for RKL DP. No data is provided for HDMI or eDP, so for now we'll continue to assume that those are the same as TGL.
Bspec: 49291
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 42 ++++++++++++++++++++++--
1 file changed, 39 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 6863236df1d0..7fb168c52c58 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -766,6 +766,34 @@ static const struct cnl_ddi_buf_trans tgl_combo_phy_ddi_translations_edp_hbr2_ho
{ 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 2 1 */
};
+static const struct cnl_ddi_buf_trans rkl_combo_phy_ddi_translations_dp_hbr[] = {
+ /* NT mV Trans mV db */
+ { 0xA, 0x2F, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */
+ { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */
+ { 0xC, 0x63, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */
+ { 0x6, 0x7D, 0x2A, 0x00, 0x15 }, /* 350 900 8.2 */
+ { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */
+ { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */
+ { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */
+ { 0xC, 0x6E, 0x3E, 0x00, 0x01 }, /* 650 700 0.6 */
+ { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */
+ { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */
+};
+
+static const struct cnl_ddi_buf_trans rkl_combo_phy_ddi_translations_dp_hbr2_hbr3[] = {
+ /* NT mV Trans mV db */
+ { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */
+ { 0xA, 0x50, 0x38, 0x00, 0x07 }, /* 350 500 3.1 */
+ { 0xC, 0x61, 0x33, 0x00, 0x0C }, /* 350 700 6.0 */
+ { 0x6, 0x7F, 0x2E, 0x00, 0x11 }, /* 350 900 8.2 */
+ { 0xA, 0x47, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */
+ { 0xC, 0x5F, 0x38, 0x00, 0x07 }, /* 500 700 2.9 */
+ { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */
+ { 0xC, 0x5F, 0x3F, 0x00, 0x00 }, /* 650 700 0.6 */
+ { 0x6, 0x7E, 0x36, 0x00, 0x09 }, /* 600 900 3.5 */
+ { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */
+};
+
static bool is_hobl_buf_trans(const struct cnl_ddi_buf_trans *table) {
return table == tgl_combo_phy_ddi_translations_edp_hbr2_hobl;
@@ -1259,7 +1287,10 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
if (crtc_state->port_clock > 270000) {
- if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
+ if (IS_ROCKETLAKE(dev_priv)) {
+ *n_entries = ARRAY_SIZE(rkl_combo_phy_ddi_translations_dp_hbr2_hbr3);
+ return rkl_combo_phy_ddi_translations_dp_hbr2_hbr3;
+ } else if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
*n_entries = ARRAY_SIZE(tgl_uy_combo_phy_ddi_translations_dp_hbr2);
return tgl_uy_combo_phy_ddi_translations_dp_hbr2;
} else {
@@ -1267,8 +1298,13 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
return tgl_combo_phy_ddi_translations_dp_hbr2;
}
} else {
- *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr);
- return tgl_combo_phy_ddi_translations_dp_hbr;
+ if (IS_ROCKETLAKE(dev_priv)) {
+ *n_entries = ARRAY_SIZE(rkl_combo_phy_ddi_translations_dp_hbr);
+ return rkl_combo_phy_ddi_translations_dp_hbr;
+ } else {
+ *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr);
+ return tgl_combo_phy_ddi_translations_dp_hbr;
+ }
}
}
--
2.24.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
