From: Damien Lespiau <damien.lespiau@intel.com>
Date: Thu, 27 Mar 2014 18:48:32 +0000 (+0530)
Subject: drm/i915/skl: Introduce a I915_MAX_PLANES macro
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=84139d1e39265c20a79daace16ef4b6a9a644d9a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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,