On Thu, Sep 4, 2014 at 4:27 AM, Damien Lespiau <damien.lespiau@xxxxxxxxx> wrote:
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.
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
---
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 be82888..dcd1c72 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -74,6 +74,14 @@ 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
Any plan to allow 4 planes on pipes A and B?
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
+
enum plane {
PLANE_A = 0,
PLANE_B,
--
1.8.3.1
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Rodrigo Vivi
Blog: http://blog.vivi.eng.br
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