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drm/i915: Disable SDVO port after the pipe on PCH platforms 

While at it also remove the redundant/unneeded w/a like done for hdmi
already.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Mention that this also removes the unneeded w/a, as suggested
by Jesse.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-05-05 17:17:36 +03:00 committed by Daniel Vetter
parent a4790cec3a
commit 3c65d1d1bb
1 changed files with 17 additions and 8 deletions
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25
drivers/gpu/drm/i915/intel_sdvo.c
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@ -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;