| Message ID | 20240403112253.1432390-7-balasubramani.vivekanandan@intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Enable dislay support for Battlemage | expand |
On Wed, Apr 03, 2024 at 04:52:34PM +0530, Balasubramani Vivekanandan wrote: > From: Clint Taylor <clinton.a.taylor@intel.com> > > Add Xe2_HPD specific CDCLK table and use MTL Funcs. > > Bspec: 65243 > Cc: Matt Roper <matthew.d.roper@intel.com> > CC: Lucas De Marchi <lucas.demarchi@intel.com> > Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com> > Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> > --- > drivers/gpu/drm/i915/display/intel_cdclk.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c > index 31aaa9780dfc..da16c308670f 100644 > --- a/drivers/gpu/drm/i915/display/intel_cdclk.c > +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c > @@ -1444,6 +1444,14 @@ static const struct intel_cdclk_vals xe2lpd_cdclk_table[] = { > {} > }; > > +/* > + * Xe2_HPD always uses the minimal cdclk table from Wa_15015413771 > + */ > +static const struct intel_cdclk_vals xe2hpd_cdclk_table[] = { > + { .refclk = 38400, .cdclk = 652800, .ratio = 34, .waveform = 0xffff }, > + {} > +}; > + > static const int cdclk_squash_len = 16; > > static int cdclk_squash_divider(u16 waveform) > @@ -3768,6 +3776,9 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv) > if (DISPLAY_VER(dev_priv) >= 20) { > dev_priv->display.funcs.cdclk = &rplu_cdclk_funcs; > dev_priv->display.cdclk.table = xe2lpd_cdclk_table; > + } else if (DISPLAY_VER_FULL(dev_priv) >= IP_VER(14, 1)) { > + dev_priv->display.funcs.cdclk = &rplu_cdclk_funcs; > + dev_priv->display.cdclk.table = xe2hpd_cdclk_table; > } else if (DISPLAY_VER(dev_priv) >= 14) { > dev_priv->display.funcs.cdclk = &rplu_cdclk_funcs; > dev_priv->display.cdclk.table = mtl_cdclk_table; > -- > 2.25.1 >
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 31aaa9780dfc..da16c308670f 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1444,6 +1444,14 @@ static const struct intel_cdclk_vals xe2lpd_cdclk_table[] = { {} }; +/* + * Xe2_HPD always uses the minimal cdclk table from Wa_15015413771 + */ +static const struct intel_cdclk_vals xe2hpd_cdclk_table[] = { + { .refclk = 38400, .cdclk = 652800, .ratio = 34, .waveform = 0xffff }, + {} +}; + static const int cdclk_squash_len = 16; static int cdclk_squash_divider(u16 waveform) @@ -3768,6 +3776,9 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv) if (DISPLAY_VER(dev_priv) >= 20) { dev_priv->display.funcs.cdclk = &rplu_cdclk_funcs; dev_priv->display.cdclk.table = xe2lpd_cdclk_table; + } else if (DISPLAY_VER_FULL(dev_priv) >= IP_VER(14, 1)) { + dev_priv->display.funcs.cdclk = &rplu_cdclk_funcs; + dev_priv->display.cdclk.table = xe2hpd_cdclk_table; } else if (DISPLAY_VER(dev_priv) >= 14) { dev_priv->display.funcs.cdclk = &rplu_cdclk_funcs; dev_priv->display.cdclk.table = mtl_cdclk_table;