From: Jani Nikula <jani.nikula@linux.intel.com>
To: Paulo Zanoni <przanoni@gmail.com>, intel-gfx@lists.freedesktop.org
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Subject: Re: [PATCH 04/14] drm/i915: add DP support to intel_ddi_disable_port
Date: Tue, 16 Oct 2012 13:05:35 +0300 [thread overview]
Message-ID: <87y5j6k9zk.fsf@intel.com> (raw)
In-Reply-To: <1350327102-4463-5-git-send-email-przanoni@gmail.com>
On Mon, 15 Oct 2012, Paulo Zanoni <przanoni@gmail.com> wrote:
> From: Paulo Zanoni <paulo.r.zanoni@intel.com>
>
> Just a missing register. There is no problem to run this code when the
> output is HDMI.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 5071370..4f03b1b 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1105,14 +1105,23 @@ void intel_ddi_post_disable(struct intel_encoder *intel_encoder)
> struct drm_i915_private *dev_priv = encoder->dev->dev_private;
> enum port port = intel_ddi_get_encoder_port(intel_encoder);
> uint32_t val;
> + bool wait = false;
>
> val = I915_READ(DDI_BUF_CTL(port));
> if (val & DDI_BUF_CTL_ENABLE) {
> val &= ~DDI_BUF_CTL_ENABLE;
> I915_WRITE(DDI_BUF_CTL(port), val);
> - intel_wait_ddi_buf_idle(dev_priv, port);
> + wait = true;
> }
>
> + val = I915_READ(DP_TP_CTL(port));
> + val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
> + val |= DP_TP_CTL_LINK_TRAIN_PAT1;
> + I915_WRITE(DP_TP_CTL(port), val);
> +
> + if (wait)
> + intel_wait_ddi_buf_idle(dev_priv, port);
> +
> I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE);
> }
>
> --
> 1.7.11.4
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2012-10-16 10:05 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-15 18:51 [PATCH 00/14] Haswell DP enablement Paulo Zanoni
2012-10-15 18:51 ` [PATCH 01/14] drm/i915: add DP support to intel_ddi_enable_pipe_func Paulo Zanoni
2012-10-16 10:04 ` Jani Nikula
2012-10-15 18:51 ` [PATCH 02/14] drm/i915: add intel_ddi_set_pipe_settings Paulo Zanoni
2012-10-16 8:05 ` Jani Nikula
2012-10-15 18:51 ` [PATCH 03/14] drm/i915: add DP support to intel_ddi_pll_mode_set Paulo Zanoni
2012-10-15 18:51 ` [PATCH 04/14] drm/i915: add DP support to intel_ddi_disable_port Paulo Zanoni
2012-10-16 10:05 ` Jani Nikula [this message]
2012-10-15 18:51 ` [PATCH 05/14] drm/i915: add DP support to intel_ddi_mode_set Paulo Zanoni
2012-10-18 18:00 ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 06/14] drm/i915: add basic Haswell DP link train bits Paulo Zanoni
2012-10-16 11:47 ` Jani Nikula
2012-10-15 18:51 ` [PATCH 07/14] drm/i915: use TU_SIZE macro at intel_dp_set_m_n Paulo Zanoni
2012-10-16 11:49 ` Jani Nikula
2012-10-17 20:27 ` Daniel Vetter
2012-10-18 17:14 ` Paulo Zanoni
2012-10-18 19:36 ` Daniel Vetter
2012-10-15 18:51 ` [PATCH 08/14] drm/i915: fix Haswell DP M/N registers Paulo Zanoni
2012-10-15 20:29 ` Adam Jackson
2012-10-15 20:39 ` Daniel Vetter
2012-10-15 20:45 ` Paulo Zanoni
2012-10-18 15:42 ` [PATCH 08/83] " Paulo Zanoni
2012-10-15 18:51 ` [PATCH 09/14] drm/i915: fix DP AUX register definitions on Haswell Paulo Zanoni
2012-10-18 13:57 ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 10/14] drm/i915: add DP support to intel_ddi_get_encoder_port Paulo Zanoni
2012-10-18 14:06 ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 11/14] drm/i915: add DP support to intel_ddi_get_hw_state Paulo Zanoni
2012-10-18 14:14 ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 12/14] drm/i915: add DP support to intel_enable_ddi Paulo Zanoni
2012-10-18 14:20 ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 13/14] drm/i915: implement Haswell DP link train sequence Paulo Zanoni
2012-10-18 17:34 ` Lespiau, Damien
2012-10-15 18:51 ` [PATCH 14/14] drm/i915: set the correct function pointers for Haswell DP Paulo Zanoni
2012-10-18 17:36 ` Lespiau, Damien
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