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drm/i915/ehl: Remove unsupported cd clocks 

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 <Clinton.A.Taylor@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190626014053.30541-2-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2019-06-25 18:40:52 -07:00
parent 9c811fce8a
commit 6e63790efd
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/display/intel_cdclk.c
View File

@ -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