On Thu, Oct 05, 2017 at 02:50:13PM +0300, Jani Nikula wrote:
> Signed-off-by: Jani Nikula <[email protected]>
Not yet seeing the point of this one here ... If it would get rid of the
conditional it would make sense (and I think we should know statically
whether we need a shared dpll or not).
-Daniel
> ---
> drivers/gpu/drm/i915/intel_crt.c | 3 +++
> drivers/gpu/drm/i915/intel_ddi.c | 18 ++++++++++++++++++
> drivers/gpu/drm/i915/intel_display.c | 3 ---
> 3 files changed, 21 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_crt.c
> b/drivers/gpu/drm/i915/intel_crt.c
> index 668e8c3e791d..b3094d606329 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -255,6 +255,9 @@ static void hsw_pre_pll_enable_crt(struct intel_encoder
> *encoder,
> WARN_ON(!intel_crtc->config->has_pch_encoder);
>
> intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
> +
> + if (intel_crtc->config->shared_dpll)
> + intel_enable_shared_dpll(intel_crtc);
> }
>
> static void hsw_pre_enable_crt(struct intel_encoder *encoder,
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c
> b/drivers/gpu/drm/i915/intel_ddi.c
> index f1adc2544ab9..c1152c602f08 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -2407,13 +2407,29 @@ static void intel_disable_ddi(struct intel_encoder
> *intel_encoder,
> }
> }
>
> +static void intel_ddi_pre_pll_enable(struct intel_encoder *encoder,
> + const struct intel_crtc_state *pipe_config,
> + const struct drm_connector_state
> *conn_state)
> +{
> + struct drm_crtc *crtc = pipe_config->base.crtc;
> + struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> +
> + if (intel_crtc->config->shared_dpll)
> + intel_enable_shared_dpll(intel_crtc);
> +}
> +
> static void bxt_ddi_pre_pll_enable(struct intel_encoder *encoder,
> const struct intel_crtc_state *pipe_config,
> const struct drm_connector_state *conn_state)
> {
> + struct drm_crtc *crtc = pipe_config->base.crtc;
> + struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> uint8_t mask = pipe_config->lane_lat_optim_mask;
>
> bxt_ddi_phy_set_lane_optim_mask(encoder, mask);
> +
> + if (intel_crtc->config->shared_dpll)
> + intel_enable_shared_dpll(intel_crtc);
> }
>
> void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
> @@ -2714,6 +2730,8 @@ void intel_ddi_init(struct drm_i915_private *dev_priv,
> enum port port)
> intel_encoder->enable = intel_enable_ddi;
> if (IS_GEN9_LP(dev_priv))
> intel_encoder->pre_pll_enable = bxt_ddi_pre_pll_enable;
> + else
> + intel_encoder->pre_pll_enable = intel_ddi_pre_pll_enable;
> intel_encoder->pre_enable = intel_ddi_pre_enable;
> intel_encoder->disable = intel_disable_ddi;
> intel_encoder->post_disable = intel_ddi_post_disable;
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 9f2bf3b3f759..6d0573350786 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5490,9 +5490,6 @@ static void haswell_crtc_enable(struct intel_crtc_state
> *pipe_config,
>
> intel_encoders_pre_pll_enable(crtc, pipe_config, old_state);
>
> - if (intel_crtc->config->shared_dpll)
> - intel_enable_shared_dpll(intel_crtc);
> -
> if (intel_crtc_has_dp_encoder(intel_crtc->config))
> intel_dp_set_m_n(intel_crtc, M1_N1);
>
> --
> 2.11.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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