[PATCH v3 10/21] drm/i915/xe2hpd: update pll values in sync with Bspec
Balasubramani Vivekanandan
balasubramani.vivekanandan at intel.com
Mon Apr 15 08:14:12 UTC 2024
From: Ravi Kumar Vodapalli <ravi.kumar.vodapalli at intel.com>
DP/eDP and HDMI pll values are updated for Xe2_HPD platform
v2: Removed the unsupported mtl_c20_dp_uhbr20 from xehpd_c20_dp_tables
Bspec: 74165
Signed-off-by: Ravi Kumar Vodapalli <ravi.kumar.vodapalli at intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com
---
drivers/gpu/drm/i915/display/intel_cx0_phy.c | 46 +++++++++++++++++++-
1 file changed, 44 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 8d37a2688809..584a6a36b05f 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -1087,6 +1087,41 @@ static const struct intel_c20pll_state * const xe2hpd_c20_edp_tables[] = {
NULL,
};
+static const struct intel_c20pll_state xe2hpd_c20_dp_uhbr13_5 = {
+ .clock = 1350000, /* 13.5 Gbps */
+ .tx = { 0xbea0, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x015f, /* mpllb cfg0 */
+ 0x2205, /* mpllb cfg1 */
+ 0x1b17, /* mpllb cfg2 */
+ 0xffc1, /* mpllb cfg3 */
+ 0xbd00, /* mpllb cfg4 */
+ 0x9ec3, /* mpllb cfg5 */
+ 0x2000, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x4800, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0000, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state * const xe2hpd_c20_dp_tables[] = {
+ &mtl_c20_dp_rbr,
+ &mtl_c20_dp_hbr1,
+ &mtl_c20_dp_hbr2,
+ &mtl_c20_dp_hbr3,
+ &mtl_c20_dp_uhbr10,
+ &xe2hpd_c20_dp_uhbr13_5,
+ NULL,
+};
+
/*
* HDMI link rates with 38.4 MHz reference clock.
*/
@@ -2203,13 +2238,20 @@ static const struct intel_c20pll_state * const *
intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state,
struct intel_encoder *encoder)
{
- if (intel_crtc_has_dp_encoder(crtc_state))
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+
+ if (intel_crtc_has_dp_encoder(crtc_state)) {
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
return xe2hpd_c20_edp_tables;
+
+ if (DISPLAY_VER_FULL(i915) == IP_VER(14, 1))
+ return xe2hpd_c20_dp_tables;
else
return mtl_c20_dp_tables;
- else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
+
+ } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
return mtl_c20_hdmi_tables;
+ }
MISSING_CASE(encoder->type);
return NULL;
--
2.25.1
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