From 080b76d8111711a726f368361e0bc9ae339fed7d Mon Sep 17 00:00:00 2001 From: Clint Taylor Date: Tue, 30 Apr 2024 10:28:34 -0700 Subject: [PATCH] drm/i915/xe2hpd: Initial cdclk table Add Xe2_HPD specific CDCLK table and use MTL Funcs. Bspec: 65243 CC: Lucas De Marchi Signed-off-by: Clint Taylor Signed-off-by: Balasubramani Vivekanandan Reviewed-by: Matt Roper Signed-off-by: Radhakrishna Sripada Link: https://patchwork.freedesktop.org/patch/msgid/20240430172850.1881525-4-radhakrishna.sripada@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 7a833b5f2de2..b78154c82a71 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1443,6 +1443,14 @@ 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) @@ -3778,6 +3786,9 @@ 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; -- 2.20.1