diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 6d57c92ac999..b43e8e16da37 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -213,6 +213,19 @@ static void pch_post_disable_crt(struct intel_encoder *encoder, intel_disable_crt(encoder, old_crtc_state, old_conn_state); } +static void hsw_disable_crt(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct drm_crtc *crtc = old_crtc_state->base.crtc; + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + WARN_ON(!intel_crtc->config->has_pch_encoder); + + intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false); +} + static void hsw_post_disable_crt(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) @@ -225,6 +238,10 @@ static void hsw_post_disable_crt(struct intel_encoder *encoder, lpt_disable_iclkip(dev_priv); intel_ddi_fdi_post_disable(encoder, old_crtc_state, old_conn_state); + + WARN_ON(!old_crtc_state->has_pch_encoder); + + intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true); } static void hsw_pre_pll_enable_crt(struct intel_encoder *encoder, @@ -953,6 +970,7 @@ void intel_crt_init(struct drm_i915_private *dev_priv) crt->base.pre_pll_enable = hsw_pre_pll_enable_crt; crt->base.pre_enable = hsw_pre_enable_crt; crt->base.enable = hsw_enable_crt; + crt->base.disable = hsw_disable_crt; crt->base.post_disable = hsw_post_disable_crt; } else { crt->base.port = PORT_NONE; |