diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cdclk.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 7e16b655c833..084a483f9776 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1329,6 +1329,30 @@ static const struct intel_cdclk_vals adlp_cdclk_table[] = { {} }; +static const struct intel_cdclk_vals rplu_cdclk_table[] = { + { .refclk = 19200, .cdclk = 172800, .divider = 3, .ratio = 27 }, + { .refclk = 19200, .cdclk = 192000, .divider = 2, .ratio = 20 }, + { .refclk = 19200, .cdclk = 307200, .divider = 2, .ratio = 32 }, + { .refclk = 19200, .cdclk = 480000, .divider = 2, .ratio = 50 }, + { .refclk = 19200, .cdclk = 556800, .divider = 2, .ratio = 58 }, + { .refclk = 19200, .cdclk = 652800, .divider = 2, .ratio = 68 }, + + { .refclk = 24000, .cdclk = 176000, .divider = 3, .ratio = 22 }, + { .refclk = 24000, .cdclk = 192000, .divider = 2, .ratio = 16 }, + { .refclk = 24000, .cdclk = 312000, .divider = 2, .ratio = 26 }, + { .refclk = 24000, .cdclk = 480000, .divider = 2, .ratio = 40 }, + { .refclk = 24000, .cdclk = 552000, .divider = 2, .ratio = 46 }, + { .refclk = 24000, .cdclk = 648000, .divider = 2, .ratio = 54 }, + + { .refclk = 38400, .cdclk = 179200, .divider = 3, .ratio = 14 }, + { .refclk = 38400, .cdclk = 192000, .divider = 2, .ratio = 10 }, + { .refclk = 38400, .cdclk = 307200, .divider = 2, .ratio = 16 }, + { .refclk = 38400, .cdclk = 480000, .divider = 2, .ratio = 25 }, + { .refclk = 38400, .cdclk = 556800, .divider = 2, .ratio = 29 }, + { .refclk = 38400, .cdclk = 652800, .divider = 2, .ratio = 34 }, + {} +}; + static const struct intel_cdclk_vals dg2_cdclk_table[] = { { .refclk = 38400, .cdclk = 163200, .divider = 2, .ratio = 34, .waveform = 0x8888 }, { .refclk = 38400, .cdclk = 204000, .divider = 2, .ratio = 34, .waveform = 0x9248 }, @@ -1801,6 +1825,13 @@ static bool cdclk_compute_crawl_and_squash_midpoint(struct drm_i915_private *i91 return true; } +static bool pll_enable_wa_needed(struct drm_i915_private *dev_priv) +{ + return ((IS_DG2(dev_priv) || IS_METEORLAKE(dev_priv)) && + dev_priv->display.cdclk.hw.vco > 0 && + HAS_CDCLK_SQUASH(dev_priv)); +} + static void _bxt_set_cdclk(struct drm_i915_private *dev_priv, const struct intel_cdclk_config *cdclk_config, enum pipe pipe) @@ -1815,9 +1846,13 @@ static void _bxt_set_cdclk(struct drm_i915_private *dev_priv, !cdclk_pll_is_unknown(dev_priv->display.cdclk.hw.vco)) { if (dev_priv->display.cdclk.hw.vco != vco) adlp_cdclk_pll_crawl(dev_priv, vco); - } else if (DISPLAY_VER(dev_priv) >= 11) + } else if (DISPLAY_VER(dev_priv) >= 11) { + /* wa_15010685871: dg2, mtl */ + if (pll_enable_wa_needed(dev_priv)) + dg2_cdclk_squash_program(dev_priv, 0); + icl_cdclk_pll_update(dev_priv, vco); - else + } else bxt_cdclk_pll_update(dev_priv, vco); waveform = cdclk_squash_waveform(dev_priv, cdclk); @@ -3353,6 +3388,8 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv) /* Wa_22011320316:adl-p[a0] */ if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) dev_priv->display.cdclk.table = adlp_a_step_cdclk_table; + else if (IS_ADLP_RPLU(dev_priv)) + dev_priv->display.cdclk.table = rplu_cdclk_table; else dev_priv->display.cdclk.table = adlp_cdclk_table; } else if (IS_ROCKETLAKE(dev_priv)) { |