From ce22dba92de22e951dee2ff89937a39754d2dd91 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Tue, 21 Apr 2015 17:12:56 +0300 Subject: [PATCH] drm/i915: Move toggling planes out of crtc enable/disable. This makes disabling planes more explicit. Signed-off-by: Maarten Lankhorst [anderco: fixed warning due to using drm_crtc instead of intel_crtc] Signed-off-by: Ander Conselvan de Oliveira Reviewed-by: Maarten Lankhorst Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_debugfs.c | 6 ++--- drivers/gpu/drm/i915/intel_display.c | 46 ++++++++++++++++++++++-------------- drivers/gpu/drm/i915/intel_drv.h | 1 + 3 files changed, 31 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 1afbce2..adbbdda 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3611,8 +3611,7 @@ static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev) intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A)); - dev_priv->display.crtc_disable(&crtc->base); - dev_priv->display.crtc_enable(&crtc->base); + intel_crtc_reset(crtc); } drm_modeset_unlock_all(dev); } @@ -3633,8 +3632,7 @@ static void hsw_undo_trans_edp_pipe_A_crc_wa(struct drm_device *dev) if (crtc->config->pch_pfit.force_thru) { crtc->config->pch_pfit.force_thru = false; - dev_priv->display.crtc_disable(&crtc->base); - dev_priv->display.crtc_enable(&crtc->base); + intel_crtc_reset(crtc); intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A)); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 63db21a3..d5d6480 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -107,6 +107,8 @@ static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_cr struct intel_crtc_state *crtc_state); static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, int num_connectors); +static void intel_crtc_enable_planes(struct drm_crtc *crtc); +static void intel_crtc_disable_planes(struct drm_crtc *crtc); static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) { @@ -3206,6 +3208,19 @@ static void intel_update_primary_planes(struct drm_device *dev) } } +void intel_crtc_reset(struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + + if (!crtc->active) + return; + + intel_crtc_disable_planes(&crtc->base); + dev_priv->display.crtc_disable(&crtc->base); + dev_priv->display.crtc_enable(&crtc->base); + intel_crtc_enable_planes(&crtc->base); +} + void intel_prepare_reset(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); @@ -3226,8 +3241,11 @@ void intel_prepare_reset(struct drm_device *dev) * g33 docs say we should at least disable all the planes. */ for_each_intel_crtc(dev, crtc) { - if (crtc->active) - dev_priv->display.crtc_disable(&crtc->base); + if (!crtc->active) + continue; + + intel_crtc_disable_planes(&crtc->base); + dev_priv->display.crtc_disable(&crtc->base); } } @@ -4842,8 +4860,6 @@ intel_pre_disable_primary(struct drm_crtc *crtc) static void intel_crtc_enable_planes(struct drm_crtc *crtc) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - intel_enable_primary_hw_plane(crtc->primary, crtc); intel_enable_sprite_planes(crtc); intel_crtc_update_cursor(crtc, true); @@ -4949,8 +4965,6 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) if (HAS_PCH_CPT(dev)) cpt_verify_modeset(dev, intel_crtc->pipe); - - intel_crtc_enable_planes(crtc); } /* IPS only exists on ULT machines and is tied to pipe A. */ @@ -5074,7 +5088,6 @@ static void haswell_crtc_enable(struct drm_crtc *crtc) /* If we change the relative order between pipe/planes enabling, we need * to change the workaround. */ haswell_mode_set_planes_workaround(intel_crtc); - intel_crtc_enable_planes(crtc); } static void ironlake_pfit_disable(struct intel_crtc *crtc) @@ -5104,8 +5117,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) if (!intel_crtc->active) return; - intel_crtc_disable_planes(crtc); - for_each_encoder_on_crtc(dev, crtc, encoder) encoder->disable(encoder); @@ -5168,8 +5179,6 @@ static void haswell_crtc_disable(struct drm_crtc *crtc) if (!intel_crtc->active) return; - intel_crtc_disable_planes(crtc); - for_each_encoder_on_crtc(dev, crtc, encoder) { intel_opregion_notify_encoder(encoder, false); encoder->disable(encoder); @@ -5917,8 +5926,6 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc) for_each_encoder_on_crtc(dev, crtc, encoder) encoder->enable(encoder); - - intel_crtc_enable_planes(crtc); } static void i9xx_set_pll_dividers(struct intel_crtc *crtc) @@ -5975,8 +5982,6 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc) for_each_encoder_on_crtc(dev, crtc, encoder) encoder->enable(encoder); - - intel_crtc_enable_planes(crtc); } static void i9xx_pfit_disable(struct intel_crtc *crtc) @@ -6005,8 +6010,6 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc) if (!intel_crtc->active) return; - intel_crtc_disable_planes(crtc); - /* * On gen2 planes are double buffered but the pipe isn't, so we must * wait for planes to fully turn off before disabling the pipe. @@ -6070,9 +6073,11 @@ void intel_crtc_control(struct drm_crtc *crtc, bool enable) intel_crtc->enabled_power_domains = domains; dev_priv->display.crtc_enable(crtc); + intel_crtc_enable_planes(crtc); } } else { if (intel_crtc->active) { + intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); domains = intel_crtc->enabled_power_domains; @@ -6107,6 +6112,7 @@ static void intel_crtc_disable(struct drm_crtc *crtc) /* crtc should still be enabled when we disable it. */ WARN_ON(!crtc->state->enable); + intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); dev_priv->display.off(crtc); @@ -12346,8 +12352,10 @@ static int __intel_set_mode(struct drm_crtc *crtc, intel_crtc_disable(&intel_crtc->base); for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { - if (intel_crtc->base.state->enable) + if (intel_crtc->base.state->enable) { + intel_crtc_disable_planes(&intel_crtc->base); dev_priv->display.crtc_disable(&intel_crtc->base); + } } /* crtc->mode is already used by the ->mode_set callbacks, hence we need @@ -12395,6 +12403,7 @@ static int __intel_set_mode(struct drm_crtc *crtc, update_scanline_offset(intel_crtc); dev_priv->display.crtc_enable(&intel_crtc->base); + intel_crtc_enable_planes(&intel_crtc->base); } /* FIXME: add subpixel order */ @@ -14839,6 +14848,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) plane = crtc->plane; to_intel_plane_state(crtc->base.primary->state)->visible = true; crtc->plane = !plane; + intel_crtc_disable_planes(&crtc->base); dev_priv->display.crtc_disable(&crtc->base); crtc->plane = plane; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index af69752..6fe36dd 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -994,6 +994,7 @@ void intel_mark_busy(struct drm_device *dev); void intel_mark_idle(struct drm_device *dev); void intel_crtc_restore_mode(struct drm_crtc *crtc); void intel_crtc_control(struct drm_crtc *crtc, bool enable); +void intel_crtc_reset(struct intel_crtc *crtc); void intel_crtc_update_dpms(struct drm_crtc *crtc); void intel_encoder_destroy(struct drm_encoder *encoder); int intel_connector_init(struct intel_connector *); -- 2.7.4