Tables for eDP PHY PLL configuration for different link rates added for
Xe2_HPD. Previous platforms were using C10 PHY for eDP port whereas
Xe2_HPD has C20 PHY.
v2: Updated with a more appropriate Bspec number.
Bspec: 74165
CC: Clint Taylor <Clinton.A.Taylor@xxxxxxxxx>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@xxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cx0_phy.c | 147 ++++++++++++++++++-
1 file changed, 146 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 9bf882b439f4..8d37a2688809 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -945,6 +945,148 @@ static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = {
NULL,
};
+/*
+ * eDP link rates with 38.4 MHz reference clock.
+ */
+
+static const struct intel_c20pll_state xe2hpd_c20_edp_r216 = {
+ .clock = 216000,
+ .tx = { 0xbe88,
+ 0x4800,
+ 0x0000,
+ },
+ .cmn = { 0x0500,
+ 0x0005,
+ 0x0000,
+ 0x0000,
+ },
+ .mpllb = { 0x50e1,
+ 0x2120,
+ 0x8e18,
+ 0xbfc1,
+ 0x9000,
+ 0x78f6,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ },
+};
+
+static const struct intel_c20pll_state xe2hpd_c20_edp_r243 = {
+ .clock = 243000,
+ .tx = { 0xbe88,
+ 0x4800,
+ 0x0000,
+ },
+ .cmn = { 0x0500,
+ 0x0005,
+ 0x0000,
+ 0x0000,
+ },
+ .mpllb = { 0x50fd,
+ 0x2120,
+ 0x8f18,
+ 0xbfc1,
+ 0xa200,
+ 0x8814,
+ 0x2000,
+ 0x0001,
+ 0x1000,
+ 0x0000,
+ 0x0000,
+ },
+};
+
+static const struct intel_c20pll_state xe2hpd_c20_edp_r324 = {
+ .clock = 324000,
+ .tx = { 0xbe88,
+ 0x4800,
+ 0x0000,
+ },
+ .cmn = { 0x0500,
+ 0x0005,
+ 0x0000,
+ 0x0000,
+ },
+ .mpllb = { 0x30a8,
+ 0x2110,
+ 0xcd9a,
+ 0xbfc1,
+ 0x6c00,
+ 0x5ab8,
+ 0x2000,
+ 0x0001,
+ 0x6000,
+ 0x0000,
+ 0x0000,
+ },
+};
+
+static const struct intel_c20pll_state xe2hpd_c20_edp_r432 = {
+ .clock = 432000,
+ .tx = { 0xbe88,
+ 0x4800,
+ 0x0000,
+ },
+ .cmn = { 0x0500,
+ 0x0005,
+ 0x0000,
+ 0x0000,
+ },
+ .mpllb = { 0x30e1,
+ 0x2110,
+ 0x8e18,
+ 0xbfc1,
+ 0x9000,
+ 0x78f6,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ },
+};
+
+static const struct intel_c20pll_state xe2hpd_c20_edp_r675 = {
+ .clock = 675000,
+ .tx = { 0xbe88,
+ 0x4800,
+ 0x0000,
+ },
+ .cmn = { 0x0500,
+ 0x0005,
+ 0x0000,
+ 0x0000,
+ },
+ .mpllb = { 0x10af,
+ 0x2108,
+ 0xce1a,
+ 0xbfc1,
+ 0x7080,
+ 0x5e80,
+ 0x2000,
+ 0x0001,
+ 0x6400,
+ 0x0000,
+ 0x0000,
+ },
+};
+
+static const struct intel_c20pll_state * const xe2hpd_c20_edp_tables[] = {
+ &mtl_c20_dp_rbr,
+ &xe2hpd_c20_edp_r216,
+ &xe2hpd_c20_edp_r243,
+ &mtl_c20_dp_hbr1,
+ &xe2hpd_c20_edp_r324,
+ &xe2hpd_c20_edp_r432,
+ &mtl_c20_dp_hbr2,
+ &xe2hpd_c20_edp_r675,
+ &mtl_c20_dp_hbr3,
+ NULL,
+};
+
/*
* HDMI link rates with 38.4 MHz reference clock.
*/
@@ -2062,7 +2204,10 @@ intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state,
struct intel_encoder *encoder)
{
if (intel_crtc_has_dp_encoder(crtc_state))
- return mtl_c20_dp_tables;
+ if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
+ return xe2hpd_c20_edp_tables;
+ else
+ return mtl_c20_dp_tables;
else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
return mtl_c20_hdmi_tables;
--
2.25.1
