drm/i915/fbc: move intel_fbc_{enable, disable} call one level up

Instead of duplicating the calls for every platform, let's just put
them in the correct places inside intel_atomic_commit. This will also
make it easier for us to move the enable call in order to support
fasbtoot.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453210558-7875-19-git-send-email-paulo.r.zanoni@intel.com

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index cd57613..69ab077 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4927,8 +4927,6 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
        if (intel_crtc->config->has_pch_encoder)
                intel_wait_for_vblank(dev, pipe);
        intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true);
-
-       intel_fbc_enable(intel_crtc);
 }
 
 /* IPS only exists on ULT machines and is tied to pipe A. */
@@ -5041,8 +5039,6 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
                intel_wait_for_vblank(dev, hsw_workaround_pipe);
                intel_wait_for_vblank(dev, hsw_workaround_pipe);
        }
-
-       intel_fbc_enable(intel_crtc);
 }
 
 static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force)
@@ -5123,8 +5119,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
        }
 
        intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true);
-
-       intel_fbc_disable(intel_crtc);
 }
 
 static void haswell_crtc_disable(struct drm_crtc *crtc)
@@ -5175,8 +5169,6 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
                intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
                                                      true);
        }
-
-       intel_fbc_disable(intel_crtc);
 }
 
 static void i9xx_pfit_enable(struct intel_crtc *crtc)
@@ -6287,8 +6279,6 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
 
        for_each_encoder_on_crtc(dev, crtc, encoder)
                encoder->enable(encoder);
-
-       intel_fbc_enable(intel_crtc);
 }
 
 static void i9xx_pfit_disable(struct intel_crtc *crtc)
@@ -6351,8 +6341,6 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
 
        if (!IS_GEN2(dev))
                intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
-
-       intel_fbc_disable(intel_crtc);
 }
 
 static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
@@ -6376,6 +6364,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
 
        dev_priv->display.crtc_disable(crtc);
        intel_crtc->active = false;
+       intel_fbc_disable(intel_crtc);
        intel_update_watermarks(crtc);
        intel_disable_shared_dpll(intel_crtc);
 
@@ -13529,6 +13518,7 @@ static int intel_atomic_commit(struct drm_device *dev,
                        intel_crtc_disable_planes(crtc, crtc_state->plane_mask);
                        dev_priv->display.crtc_disable(crtc);
                        intel_crtc->active = false;
+                       intel_fbc_disable(intel_crtc);
                        intel_disable_shared_dpll(intel_crtc);
 
                        /*
@@ -13568,6 +13558,7 @@ static int intel_atomic_commit(struct drm_device *dev,
                if (modeset && crtc->state->active) {
                        update_scanline_offset(to_intel_crtc(crtc));
                        dev_priv->display.crtc_enable(crtc);
+                       intel_fbc_enable(intel_crtc);
                }
 
                if (update_pipe) {

diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 5bf7f84..60644dd 100644 (file)
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -1137,7 +1137,7 @@ static void __intel_fbc_disable(struct drm_i915_private *dev_priv)
        WARN_ON(!mutex_is_locked(&fbc->lock));
        WARN_ON(!fbc->enabled);
        WARN_ON(fbc->active);
-       assert_pipe_disabled(dev_priv, crtc->pipe);
+       WARN_ON(crtc->active);
 
        DRM_DEBUG_KMS("Disabling FBC on pipe %c\n", pipe_name(crtc->pipe));