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| author | Damien Lespiau <damien.lespiau@intel.com> | 2014-03-28 00:18:32 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-24 14:57:31 +0200 |
| commit | 84139d1e39265c20a79daace16ef4b6a9a644d9a (patch) | |
| tree | 9803402ed2232def2b9e151870281c4ceb624334 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 7feb8b88e7513d6b093539c2b7291cfb87cb917a (diff) | |
| download | lwn-84139d1e39265c20a79daace16ef4b6a9a644d9a.tar.gz lwn-84139d1e39265c20a79daace16ef4b6a9a644d9a.zip | |
drm/i915/skl: Introduce a I915_MAX_PLANES macro
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>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a8d4e23aba45..c3dbaaed2ff9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -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, |