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From a384e2c5d6e72e08e3d183b58ca8697f6665a793 Mon Sep 17 00:00:00 2001
From: Dom Cobley <popcornmix@gmail.com>
Date: Tue, 15 Dec 2020 16:26:51 +0000
Subject: [PATCH] drm/vc4: Make normalize_zpos conditional on using
fkms
Eric's view was that there was no point in having zpos
support on vc4 as all the planes had the same functionality.
Can be later squashed into (and fixes):
drm/vc4: Add firmware-kms mode
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
---
drivers/gpu/drm/vc4/vc4_kms.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -923,7 +923,8 @@ int vc4_kms_load(struct drm_device *dev)
dev->mode_config.preferred_depth = 24;
dev->mode_config.async_page_flip = true;
dev->mode_config.allow_fb_modifiers = true;
- dev->mode_config.normalize_zpos = true;
+ if (vc4->firmware_kms)
+ dev->mode_config.normalize_zpos = true;
ret = vc4_ctm_obj_init(vc4);
if (ret)
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