From 84139d1e39265c20a79daace16ef4b6a9a644d9a Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Fri, 28 Mar 2014 00:18:32 +0530 Subject: [PATCH] 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 Signed-off-by: Damien Lespiau Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 8 ++++++++ 1 file changed, 8 insertions(+) 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, -- 2.34.1