From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_sdvo.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 4a87691..d24ef75 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1465,6 +1465,15 @@ static void intel_disable_sdvo(struct intel_encoder *encoder)
}
}
+static void pch_disable_sdvo(struct intel_encoder *encoder)
+{
+}
+
+static void pch_post_disable_sdvo(struct intel_encoder *encoder)
+{
+ intel_disable_sdvo(encoder);
+}
+
static void intel_enable_sdvo(struct intel_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
@@ -1477,14 +1486,9 @@ static void intel_enable_sdvo(struct intel_encoder *encoder)
bool success;
temp = I915_READ(intel_sdvo->sdvo_reg);
- if ((temp & SDVO_ENABLE) == 0) {
- /* HW workaround for IBX, we need to move the port
- * to transcoder A before disabling it, so restore it here. */
- if (HAS_PCH_IBX(dev))
- temp |= SDVO_PIPE_SEL(intel_crtc->pipe);
+ temp |= SDVO_ENABLE;
+ intel_sdvo_write_sdvox(intel_sdvo, temp);
- intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
- }
for (i = 0; i < 2; i++)
intel_wait_for_vblank(dev, intel_crtc->pipe);
@@ -2987,7 +2991,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
}
intel_encoder->compute_config = intel_sdvo_compute_config;
- intel_encoder->disable = intel_disable_sdvo;
+ if (HAS_PCH_SPLIT(dev)) {
+ intel_encoder->disable = pch_disable_sdvo;
+ intel_encoder->post_disable = pch_post_disable_sdvo;
+ } else {
+ intel_encoder->disable = intel_disable_sdvo;
+ }
intel_encoder->pre_enable = intel_sdvo_pre_enable;
intel_encoder->enable = intel_enable_sdvo;
intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
--
2.0.5
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