diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 211d601cd1b1..0c6bf82bb059 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -232,6 +232,8 @@ static void hsw_post_disable_crt(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + intel_ddi_disable_pipe_clock(old_crtc_state); + pch_post_disable_crt(encoder, old_crtc_state, old_conn_state); lpt_disable_pch_transcoder(dev_priv); @@ -268,6 +270,8 @@ static void hsw_pre_enable_crt(struct intel_encoder *encoder, intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); dev_priv->display.fdi_link_train(crtc, crtc_state); + + intel_ddi_enable_pipe_clock(crtc_state); } static void hsw_enable_crt(struct intel_encoder *encoder, @@ -304,6 +308,9 @@ intel_crt_mode_valid(struct drm_connector *connector, int max_dotclk = dev_priv->max_dotclk_freq; int max_clock; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + return MODE_NO_DBLESCAN; + if (mode->clock < 25000) return MODE_CLOCK_LOW; @@ -330,6 +337,10 @@ intel_crt_mode_valid(struct drm_connector *connector, (ironlake_get_lanes_required(mode->clock, 270000, 24) > 2)) return MODE_CLOCK_HIGH; + /* HSW/BDW FDI limited to 4k */ + if (mode->hdisplay > 4096) + return MODE_H_ILLEGAL; + return MODE_OK; } @@ -337,6 +348,12 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { + struct drm_display_mode *adjusted_mode = + &pipe_config->base.adjusted_mode; + + if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) + return false; + return true; } @@ -344,6 +361,12 @@ static bool pch_crt_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { + struct drm_display_mode *adjusted_mode = + &pipe_config->base.adjusted_mode; + + if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) + return false; + pipe_config->has_pch_encoder = true; return true; @@ -354,6 +377,16 @@ static bool hsw_crt_compute_config(struct intel_encoder *encoder, struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct drm_display_mode *adjusted_mode = + &pipe_config->base.adjusted_mode; + + if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) + return false; + + /* HSW/BDW FDI limited to 4k */ + if (adjusted_mode->crtc_hdisplay > 4096 || + adjusted_mode->crtc_hblank_start > 4096) + return false; pipe_config->has_pch_encoder = true; @@ -493,7 +526,7 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector) * to get a reliable result. */ - if (IS_G4X(dev_priv) && !IS_GM45(dev_priv)) + if (IS_G45(dev_priv)) tries = 2; else tries = 1; |
