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[v4,6/6] drm/i915: allow HDMI 2.0 clock rates

Message ID 1487769511-17359-7-git-send-email-shashank.sharma@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sharma, Shashank Feb. 22, 2017, 1:18 p.m. UTC 
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

Cc: Ander Conselvan De Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Ander Conselvan De Oliveira <ander.conselvan.de.oliveira@intel.com>
---
 drivers/gpu/drm/i915/intel_hdmi.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index c44beee..84b4e29 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1210,6 +1210,8 @@  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