diff options
| author | Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> | 2016-12-02 10:23:55 +0200 |
|---|---|---|
| committer | Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> | 2016-12-02 16:42:11 +0200 |
| commit | 09d093869feb09f098ac7bd28a8dbadccff79216 (patch) | |
| tree | 7589956baa9b610997cb6e797e2c7f7b84bb10e9 | |
| parent | 89b3c3c7ee9d9be319b90af3d52f00feba04f1d8 (diff) | |
drm/i915/glk: Allow dotclock up to 2 * cdclk on geminilake
Geminilake has double wide pipes so it can output two pixels per CD
clock.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1480667037-11215-8-git-send-email-ander.conselvan.de.oliveira@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2490fadfb7b4..aabef5e13bd4 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; |