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drm/i915: Introduce intel_fb_obj() macro

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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>
This commit is contained in:
Matt Roper 2014-07-07 18:21:47 -07:00 committed by Daniel Vetter
parent 1f767e02d6
commit 155e63696c
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/intel_drv.h
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@ -486,6 +486,7 @@ struct cxsr_latency {
#define to_intel_encoder(x) container_of(x, struct intel_encoder, base) #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_framebuffer(x) container_of(x, struct intel_framebuffer, base)
#define to_intel_plane(x) container_of(x, struct intel_plane, 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 { struct intel_hdmi {
u32 hdmi_reg; u32 hdmi_reg;