[PATCH 18/19] drm/i915: Limit CHV max cdclk

Mika Kahola
2015-03-31T11:14:46Z

Limit CHV maximum cdclk to 320MHz.

Signed-off-by: Mika Kahola <mika.kahola@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 736df3e..5ed40df 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5037,7 +5037,7 @@ static void intel_update_max_cdclk(struct drm_device *dev)
else
dev_priv->max_cdclk_freq = 540000;
} else if (IS_VALLEYVIEW(dev)) {
- dev_priv->max_cdclk_freq = 400000;
+ dev_priv->max_cdclk_freq = IS_CHERRYVIEW(dev) ? 320000 : 400000;
} else {
/* otherwise assume cdclk is fixed */
dev_priv->max_cdclk_freq = dev_priv->cdclk_freq;
--
1.9.1