On Wed, May 21, 2014 at 04:23:20PM -0300, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> Because this will trigger "Unclaimed register" messages. All I need to
> reproduce this problem is to boot my HSW machine with eDP+HDMI
> connected.
>
> Regression introduced by:
>
> commit 9ed109a7b445e3f073d8ea72f888ec80c0532465
> Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Date: Thu Apr 24 23:54:52 2014 +0200
> drm/i915: Track has_audio in the pipe config
>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Argh, I always forget about these. Thanks for tracking this down, patch
merged.
-Daniel
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 271ce19..355f569 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1560,9 +1560,11 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
> break;
> }
>
> - temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
> - if (temp & (AUDIO_OUTPUT_ENABLE_A << (intel_crtc->pipe * 4)))
> - pipe_config->has_audio = true;
> + if (intel_display_power_enabled(dev_priv, POWER_DOMAIN_AUDIO)) {
> + temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
> + if (temp & (AUDIO_OUTPUT_ENABLE_A << (intel_crtc->pipe * 4)))
> + pipe_config->has_audio = true;
> + }
>
> if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp_bpp &&
> pipe_config->pipe_bpp > dev_priv->vbt.edp_bpp) {
> --
> 1.9.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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