Attachment 117965 Details for Bug 91628 – Patch for setting ddi_pll_sel from DP MST encoder config

[patch] Patch for setting ddi_pll_sel from DP MST encoder config

set_ddi_pll_in_mst.patch (text/plain), 1.89 KB, created by Ander Conselvan de Oliveira on 2015-08-28 10:46:34 UTC

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Creator: Ander Conselvan de Oliveira

Created: 2015-08-28 10:46:34 UTC

Size: 1.89 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index 6e8faa2..bbd8687 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -1137,7 +1137,7 @@ skl_edp_set_pll_config(struct intel_crtc_state *pipe_config, int link_clock)
> 	pipe_config->dpll_hw_state.ctrl1 = ctrl1;
> }
> 
>-static void
>+void
> hsw_dp_set_ddi_pll_sel(struct intel_crtc_state *pipe_config, int link_bw)
> {
> 	memset(&pipe_config->dpll_hw_state, 0,
>diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
>index 600afdb..d8aaf3c 100644
>--- a/drivers/gpu/drm/i915/intel_dp_mst.c
>+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
>@@ -33,6 +33,7 @@
> static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
> 					struct intel_crtc_state *pipe_config)
> {
>+	struct drm_device *dev = encoder->base.dev;
> 	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
> 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
> 	struct intel_dp *intel_dp = &intel_dig_port->dp;
>@@ -97,6 +98,10 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
> 			       &pipe_config->dp_m_n);
> 
> 	pipe_config->dp_m_n.tu = slots;
>+
>+	if (IS_HASWELL(dev) || IS_BROADWELL(dev))
>+		hsw_dp_set_ddi_pll_sel(pipe_config, intel_dp->link_bw);
>+
> 	return true;
> 
> }
>diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
>index 1059283..f0ea3ef 100644
>--- a/drivers/gpu/drm/i915/intel_drv.h
>+++ b/drivers/gpu/drm/i915/intel_drv.h
>@@ -942,6 +942,8 @@ void intel_ddi_clock_get(struct intel_encoder *encoder,
> void intel_ddi_set_vc_payload_alloc(struct drm_crtc *crtc, bool state);
> void bxt_ddi_vswing_sequence(struct drm_device *dev, u32 level,
> 				enum port port, int type);
>+void
>+hsw_dp_set_ddi_pll_sel(struct intel_crtc_state *pipe_config, int link_bw);
> 
> /* intel_frontbuffer.c */
> void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,

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Attachments on bug 91628: 117671 | 117965

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