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| author |   Jani Nikula <jani.nikula@intel.com> | 2017-10-05 13:52:11 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-10-06 11:29:11 +0300 |
| commit | 3daa3cee6ebc3e55da5ad70d61482029905f4b7d (patch) | |
| tree | c4b0bd058f94838443a9f487f6c4bbf7f8883c7b /drivers/gpu/drm/i915/intel_crt.c | |
| parent | drm/i915: push DDI CRT underrun reporting on enable to encoder (diff) | |
| download | linux-dev-3daa3cee6ebc3e55da5ad70d61482029905f4b7d.tar.xz linux-dev-3daa3cee6ebc3e55da5ad70d61482029905f4b7d.zip | |
drm/i915: push DDI CRT underrun reporting on disable to encoder
CRT being the only PCH encoder, we can simplify the crtc disable by
pushing the PCH encoder specific parts to CRT encoder.
v2: add hsw_disable_crt (Daniel), rebase
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1ecbbb946f7b3782ee3d97f0ec2fe4758c349311.1507200657.git.jani.nikula@intel.com
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; |