| Message ID | 20240403112253.1432390-12-balasubramani.vivekanandan@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Enable dislay support for Battlemage | expand |
On Wed, Apr 03, 2024 at 04:52:39PM +0530, Balasubramani Vivekanandan wrote: > 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. > > Bpsec: 64568 I think 74165 would be more accurate? Otherwise the tables below match the current spec, so Reviewed-by: Matt Roper <matthew.d.roper@intel.com> > > CC: Clint Taylor <Clinton.A.Taylor@intel.com> > Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com> > --- > 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 6e4647859fc6..d948035f07ad 100644 > --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c > +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c > @@ -967,6 +967,148 @@ 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. > */ > @@ -2084,7 +2226,10 @@ 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 >
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 6e4647859fc6..d948035f07ad 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -967,6 +967,148 @@ 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. */ @@ -2084,7 +2226,10 @@ 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;
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. Bpsec: 64568 CC: Clint Taylor <Clinton.A.Taylor@intel.com> Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com> --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 147 ++++++++++++++++++- 1 file changed, 146 insertions(+), 1 deletion(-)