[Intel-gfx] [PATCH] drm/i915/display/adlp: More voltage swing table updates
José Roberto de Souza
jose.souza at intel.com
Tue Mar 15 20:51:22 UTC 2022
A few more updates in the alderlake-P voltage swing tables.
eDP HBR3 table was the same as icelake one but now it has changes for
voltage 0 and pre-emphasis 2 line.
And DP tables also had one line change in each.
Bspec: 49291
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
---
.../drm/i915/display/intel_ddi_buf_trans.c | 22 +++++++++++++++----
1 file changed, 18 insertions(+), 4 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 9a2b14927895e..94e64661b4fdb 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
@@ -907,7 +907,7 @@ static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_dp_hbr[] = {
{ .icl = { 0xA, 0x4C, 0x3F, 0x00, 0x00 } }, /* 500 500 0.0 */
{ .icl = { 0xC, 0x73, 0x34, 0x00, 0x0B } }, /* 500 700 2.9 */
{ .icl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } }, /* 500 900 5.1 */
- { .icl = { 0xC, 0x73, 0x3E, 0x00, 0x01 } }, /* 650 700 0.6 */
+ { .icl = { 0xC, 0x7C, 0x3C, 0x00, 0x03 } }, /* 650 700 0.6 */
{ .icl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } }, /* 600 900 3.5 */
{ .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */
};
@@ -921,7 +921,7 @@ static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_dp_hbr2_hbr3[
/* NT mV Trans mV db */
{ .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */
{ .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */
- { .icl = { 0xC, 0x71, 0x2F, 0x00, 0x10 } }, /* 350 700 6.0 */
+ { .icl = { 0xC, 0x71, 0x30, 0x00, 0x0F } }, /* 350 700 6.0 */
{ .icl = { 0x6, 0x7F, 0x2B, 0x00, 0x14 } }, /* 350 900 8.2 */
{ .icl = { 0xA, 0x4C, 0x3F, 0x00, 0x00 } }, /* 500 500 0.0 */
{ .icl = { 0xC, 0x73, 0x34, 0x00, 0x0B } }, /* 500 700 2.9 */
@@ -945,14 +945,28 @@ static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_edp_hbr2[] =
{ .icl = { 0x4, 0x7A, 0x38, 0x00, 0x07 } }, /* 350 350 0.0 */
};
+static const union intel_ddi_buf_trans_entry _adlp_combo_phy_trans_dp_hbr2_edp_hbr3[] = {
+ /* NT mV Trans mV db */
+ { .icl = { 0xA, 0x35, 0x3F, 0x00, 0x00 } }, /* 350 350 0.0 */
+ { .icl = { 0xA, 0x4F, 0x37, 0x00, 0x08 } }, /* 350 500 3.1 */
+ { .icl = { 0xC, 0x71, 0x30, 0x00, 0x0f } }, /* 350 700 6.0 */
+ { .icl = { 0x6, 0x7F, 0x2B, 0x00, 0x14 } }, /* 350 900 8.2 */
+ { .icl = { 0xA, 0x4C, 0x3F, 0x00, 0x00 } }, /* 500 500 0.0 */
+ { .icl = { 0xC, 0x73, 0x34, 0x00, 0x0B } }, /* 500 700 2.9 */
+ { .icl = { 0x6, 0x7F, 0x2F, 0x00, 0x10 } }, /* 500 900 5.1 */
+ { .icl = { 0xC, 0x6C, 0x3C, 0x00, 0x03 } }, /* 650 700 0.6 */
+ { .icl = { 0x6, 0x7F, 0x35, 0x00, 0x0A } }, /* 600 900 3.5 */
+ { .icl = { 0x6, 0x7F, 0x3F, 0x00, 0x00 } }, /* 900 900 0.0 */
+};
+
static const struct intel_ddi_buf_trans adlp_combo_phy_trans_dp_hbr2_hbr3 = {
.entries = _adlp_combo_phy_trans_dp_hbr2_hbr3,
.num_entries = ARRAY_SIZE(_adlp_combo_phy_trans_dp_hbr2_hbr3),
};
static const struct intel_ddi_buf_trans adlp_combo_phy_trans_edp_hbr3 = {
- .entries = _icl_combo_phy_trans_dp_hbr2_edp_hbr3,
- .num_entries = ARRAY_SIZE(_icl_combo_phy_trans_dp_hbr2_edp_hbr3),
+ .entries = _adlp_combo_phy_trans_dp_hbr2_edp_hbr3,
+ .num_entries = ARRAY_SIZE(_adlp_combo_phy_trans_dp_hbr2_edp_hbr3),
};
static const struct intel_ddi_buf_trans adlp_combo_phy_trans_edp_up_to_hbr2 = {
--
2.35.1
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