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drm/i915/skl: Introduce a I915_MAX_PLANES macro

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This can be useful to declare structures around pipes and planes and
don't have to go back auditing the code if the next platorm bump that
number.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-03-28 00:18:32 +05:30 committed by Daniel Vetter
parent 7feb8b88e7
commit 84139d1e39
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/i915_drv.h
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@ -76,6 +76,14 @@ enum transcoder {
};
#define transcoder_name(t) ((t) + 'A')
/*
* This is the maximum (across all platforms) number of planes (primary +
* sprites) that can be active at the same time on one pipe.
*
* This value doesn't count the cursor plane.
*/
#define I915_MAX_PLANES 3
enum plane {
PLANE_A = 0,
PLANE_B,