drm/i915: Add 324mhz and 326.4mhz cdclks for gen11+

The bspec was recently updated with these new cdclk values for ICL, EHL,
and TGL.

Bspec: 20598
Bspec: 49201
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190826225540.11987-3-matthew.d.roper@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 58ba42d..76f11d4 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1761,8 +1761,10 @@ sanitize:
 
 static int icl_calc_cdclk(int min_cdclk, unsigned int ref)
 {
-       static const int ranges_24[] = { 180000, 192000, 312000, 552000, 648000 };
-       static const int ranges_19_38[] = { 172800, 192000, 307200, 556800, 652800 };
+       static const int ranges_24[] = { 180000, 192000, 312000, 324000,
+                                        552000, 648000 };
+       static const int ranges_19_38[] = { 172800, 192000, 307200, 326400,
+                                           556800, 652800 };
        const int *ranges;
        int len, i;
 
@@ -1803,6 +1805,7 @@ static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
                /* fall through */
        case 172800:
        case 307200:
+       case 326400:
        case 556800:
        case 652800:
                WARN_ON(dev_priv->cdclk.hw.ref != 19200 &&
@@ -1810,6 +1813,7 @@ static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
                break;
        case 180000:
        case 312000:
+       case 324000:
        case 552000:
        case 648000:
                WARN_ON(dev_priv->cdclk.hw.ref != 24000);