[PATCH] drm/i915/dg2: Add HDMI pixel clock 533.25 MHz

Ankit Nautiyal ankit.k.nautiyal at intel.com
Wed Mar 1 05:38:52 UTC 2023


Add snps phy table values for HDMI pixel clock 533.25 MHz and
Values are based on the Bspec algorithm for PLL programming for
HDMI.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_snps_phy.c | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c b/drivers/gpu/drm/i915/display/intel_snps_phy.c
index 1cfb94b5cedb..e2879c467dc7 100644
--- a/drivers/gpu/drm/i915/display/intel_snps_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c
@@ -1599,6 +1599,36 @@ static const struct intel_mpllb_state dg2_hdmi_497750 = {
 		REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_UP_SPREAD, 1),
 };
 
+static const struct intel_mpllb_state dg2_hdmi_533250 = {
+	.clock = 533250,
+	.ref_control =
+		REG_FIELD_PREP(SNPS_PHY_REF_CONTROL_REF_RANGE, 3),
+	.mpllb_cp =
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT, 7) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP, 14) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_INT_GS, 64) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_CP_PROP_GS, 124),
+	.mpllb_div =
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_DIV5_CLK_EN, 1) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_TX_CLK_DIV, 0) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_PMIX_EN, 1) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_V2I, 2) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_FREQ_VCO, 3),
+	.mpllb_div2 =
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_REF_CLK_DIV, 1) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_MULTIPLIER, 74) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_HDMI_DIV, 1),
+	.mpllb_fracn1 =
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_CGG_UPDATE_EN, 1) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_EN, 1) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_DEN, 65535),
+	.mpllb_fracn2 =
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_QUOT, 21299) |
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_FRACN_REM, 13107),
+	.mpllb_sscen =
+		REG_FIELD_PREP(SNPS_PHY_MPLLB_SSC_UP_SPREAD, 1),
+};
+
 static const struct intel_mpllb_state dg2_hdmi_592000 = {
 	.clock = 592000,
 	.ref_control =
@@ -1761,6 +1791,7 @@ static const struct intel_mpllb_state * const dg2_hdmi_tables[] = {
 	&dg2_hdmi_296703,
 	&dg2_hdmi_319890,
 	&dg2_hdmi_497750,
+	&dg2_hdmi_533250,
 	&dg2_hdmi_592000,
 	&dg2_hdmi_593407,
 	NULL,
-- 
2.25.1



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