From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Mon, 1 Jun 2015 10:49:54 +0000 (+0200)
Subject: drm/i915: update plane state during init
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=36750f284b3a4f19b304fda1bb7d6e9e1275ea8d;p=openwrt%2Fstaging%2Fblogic.git

drm/i915: update plane state during init

Atomic planes updates rely on having a accurate plane_mask.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2b5b829a98ad..91a0f7ca7ed2 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2632,9 +2632,9 @@ valid_fb:
 		dev_priv->preserve_bios_swizzle = true;
 
 	primary->fb = fb;
-	primary->state->crtc = &intel_crtc->base;
-	primary->crtc = &intel_crtc->base;
+	primary->crtc = primary->state->crtc = &intel_crtc->base;
 	update_state_fb(primary);
+	intel_crtc->base.state->plane_mask |= (1 << drm_plane_index(primary));
 	obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);
 }
 
@@ -15563,7 +15563,9 @@ void intel_modeset_gem_init(struct drm_device *dev)
 				  to_intel_crtc(c)->pipe);
 			drm_framebuffer_unreference(c->primary->fb);
 			c->primary->fb = NULL;
+			c->primary->crtc = c->primary->state->crtc = NULL;
 			update_state_fb(c->primary);
+			c->state->plane_mask &= ~(1 << drm_plane_index(c->primary));
 		}
 	}