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authorVille Syrjälä2015-04-10 17:21:31 +0200
committerDaniel Vetter2015-05-08 17:26:02 +0200
commit9b6de0a1552175620ced3a7a7a552d4e7a379538 (patch)
tree914a975fa7fa87632f045b0250702a9c4946479c /drivers/gpu/drm/i915/intel_hdmi.c
parentdrm/i915: Fix possible security hole in command parsing (diff)
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drm/i915: Only wait for required lanes in vlv_wait_port_ready()
Currently vlv_wait_port_ready() waits for all four lanes on the appropriate channel. This no longer works on CHV when the unused lanes may be power gated. So pass in a mask of lanes that the caller is expecting to be ready. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Deepak S<deepak.s@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 86355f1c6f21..d04e6dc97fe5 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1324,7 +1324,7 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder)
intel_enable_hdmi(encoder);
- vlv_wait_port_ready(dev_priv, dport);
+ vlv_wait_port_ready(dev_priv, dport, 0x0);
}
static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
@@ -1641,7 +1641,7 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
intel_enable_hdmi(encoder);
- vlv_wait_port_ready(dev_priv, dport);
+ vlv_wait_port_ready(dev_priv, dport, 0x0);
}
static void intel_hdmi_destroy(struct drm_connector *connector)