diff mbox series

[v2,12/25] drm/i915/xe2hpd: update pll values in sync with Bspec

Message ID 20240403112253.1432390-13-balasubramani.vivekanandan@intel.com (mailing list archive)
State New
Headers show
Series Enable dislay support for Battlemage | expand

Commit Message

Balasubramani Vivekanandan April 3, 2024, 11:22 a.m. UTC
From: Ravi Kumar Vodapalli <ravi.kumar.vodapalli@intel.com>

DP/eDP and HDMI pll values are updated for Xe2_HPD platform

Bspec: 74165
Signed-off-by: Ravi Kumar Vodapalli <ravi.kumar.vodapalli@intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
---
 drivers/gpu/drm/i915/display/intel_cx0_phy.c | 47 +++++++++++++++++++-
 1 file changed, 45 insertions(+), 2 deletions(-)

Comments

Matt Roper April 3, 2024, 8:41 p.m. UTC | #1
On Wed, Apr 03, 2024 at 04:52:40PM +0530, Balasubramani Vivekanandan wrote:
> From: Ravi Kumar Vodapalli <ravi.kumar.vodapalli@intel.com>
> 
> DP/eDP and HDMI pll values are updated for Xe2_HPD platform
> 
> Bspec: 74165
> Signed-off-by: Ravi Kumar Vodapalli <ravi.kumar.vodapalli@intel.com>
> Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_cx0_phy.c | 47 +++++++++++++++++++-
>  1 file changed, 45 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 d948035f07ad..20035be015c3 100644
> --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
> @@ -1109,6 +1109,42 @@ 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,
> +	&mtl_c20_dp_uhbr20,

According to bspec 67066, I don't think we need the UHBR20 table for
Xe2_HPD (even though there are data values given on page 74165).

Otherwise,

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>


Matt

> +	NULL,
> +};
> +
>  /*
>   * HDMI link rates with 38.4 MHz reference clock.
>   */
> @@ -2225,13 +2261,20 @@ 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
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index d948035f07ad..20035be015c3 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -1109,6 +1109,42 @@  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,
+	&mtl_c20_dp_uhbr20,
+	NULL,
+};
+
 /*
  * HDMI link rates with 38.4 MHz reference clock.
  */
@@ -2225,13 +2261,20 @@  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;