[Intel-gfx] [PATCH v6 6/6] drm/i915: allow HDMI 2.0 clock rates
Shashank Sharma
shashank.sharma at intel.com
Fri Mar 3 06:29:47 UTC 2017
Geminilake has a native HDMI 2.0 controller, which is capable of
driving clocks upto 594Mhz. This patch updates the max tmds clock
limit for the same.
V2: rebase
V3: rebase
V4: added r-b from Ander
V5: rebase
V6: rebase
Cc: Ander Conselvan De Oliveira <ander.conselvan.de.oliveira at intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
Reviewed-by: Ander Conselvan De Oliveira <ander.conselvan.de.oliveira at intel.com>
---
drivers/gpu/drm/i915/intel_hdmi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0a1ae03..be25aac 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1209,6 +1209,8 @@ static int intel_hdmi_source_max_tmds_clock(struct drm_i915_private *dev_priv)
{
if (IS_G4X(dev_priv))
return 165000;
+ else if (IS_GEMINILAKE(dev_priv))
+ return 594000;
else if (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)
return 300000;
else
--
1.9.1
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