drm/i915: Introduce intel_fb_obj() macro
authorMatt Roper <matthew.d.roper@intel.com>
Tue, 8 Jul 2014 01:21:47 +0000 (18:21 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 9 Jul 2014 11:51:42 +0000 (13:51 +0200)
Add an intel_fb_obj() macro that returns the GEM object associated with
a DRM framebuffer.  This macro is safe to call on NULL framebuffers (a
NULL object pointer will be returned in this case).

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_drv.h

index 9da665a1cd313c4489cbdce45d0c93904dd406b1..41c83ea588f13d8a89b4bc2fb4c256f0c12cdee9 100644 (file)
@@ -486,6 +486,7 @@ struct cxsr_latency {
 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
+#define intel_fb_obj(x) (x ? to_intel_framebuffer(x)->obj : NULL)
 
 struct intel_hdmi {
        u32 hdmi_reg;