EHL do not support 648 and 652.8 MHz. v2: - Limiting maximum CD clock by max_cdclk_freq instead of remove it from icl_calc_cdclk()(Ville and Jani)
BSpec: 20598 Cc: Clint Taylor <[email protected]> Cc: Matt Roper <[email protected]> Cc: Ville Syrjälä <[email protected]> Cc: Jani Nikula <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> --- drivers/gpu/drm/i915/display/intel_cdclk.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 8eef177b2bbd..daab4e9a6359 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -2606,7 +2606,12 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) */ void intel_update_max_cdclk(struct drm_i915_private *dev_priv) { - if (INTEL_GEN(dev_priv) >= 11) { + if (IS_ELKHARTLAKE(dev_priv)) { + if (dev_priv->cdclk.hw.ref == 24000) + dev_priv->max_cdclk_freq = 552000; + else + dev_priv->max_cdclk_freq = 556800; + } else if (INTEL_GEN(dev_priv) >= 11) { if (dev_priv->cdclk.hw.ref == 24000) dev_priv->max_cdclk_freq = 648000; else -- 2.22.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
