[PATCH 07/16] drm/i915: Enable DVO between mode_set and dpms hooks

ville.syrjala
2014-08-14T22:25:00Z

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

To more closely match the IEGD ns2501 driver behaviour, call the
mode_set hook while the DVO port is still disabled, then enable the DVO
port, and finally call the dpms hook.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/i915/intel_dvo.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index d5ea393..4f115c1 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -185,12 +185,13 @@ static void intel_enable_dvo(struct intel_encoder *encoder)
u32 dvo_reg = intel_dvo->dev.dvo_reg;
u32 temp = I915_READ(dvo_reg);

- I915_WRITE(dvo_reg, temp | DVO_ENABLE);
- I915_READ(dvo_reg);
intel_dvo->dev.dev_ops->mode_set(&intel_dvo->dev,
&crtc->config.requested_mode,
&crtc->config.adjusted_mode);

+ I915_WRITE(dvo_reg, temp | DVO_ENABLE);
+ I915_READ(dvo_reg);
+
intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, true);
}

--
1.8.5.5