Geminilake has double wide pipes so it can output two pixels per CD
clock.
Signed-off-by: Ander Conselvan de Oliveira
<ander.conselvan.de.olive...@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 8d4a63f..1fafcce 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5805,8 +5805,10 @@ static int intel_compute_max_dotclk(struct
drm_i915_private *dev_priv)
{
int max_cdclk_freq = dev_priv->max_cdclk_freq;
- if (INTEL_INFO(dev_priv)->gen >= 9 ||
- IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
+ if (IS_GEMINILAKE(dev_priv))
+ return 2 * max_cdclk_freq;
+ else if (INTEL_INFO(dev_priv)->gen >= 9 ||
+ IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
return max_cdclk_freq;
else if (IS_CHERRYVIEW(dev_priv))
return max_cdclk_freq*95/100;
@@ -6563,9 +6565,9 @@ static int valleyview_calc_cdclk(struct drm_i915_private
*dev_priv,
static int glk_calc_cdclk(int max_pixclk)
{
- if (max_pixclk > 158400)
+ if (max_pixclk > 2 * 158400)
return 316800;
- else if (max_pixclk > 79200)
+ else if (max_pixclk > 2 * 79200)
return 158400;
else
return 79200;
--
2.5.5
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