drm/i915: Move toggling planes out of crtc enable/disable.

This makes disabling planes more explicit.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[anderco: fixed warning due to using drm_crtc instead of intel_crtc]
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 1afbce2..adbbdda 100644 (file)
--- 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 63db21a..d5d6480 100644 (file)
--- 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 (file)
--- 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 *);