7685933f9287a4f00e64a1c9061b8c2c74a26149
[openwrt/staging/robimarko.git] /
1 From 89c8ca8b57abe798418bd6544b0fac9aa87cb691 Mon Sep 17 00:00:00 2001
2 From: Maxime Ripard <maxime@cerno.tech>
3 Date: Fri, 25 Jun 2021 17:01:33 +0200
4 Subject: [PATCH] drm/vc4: Remove conflicting framebuffers before
5 callind bind_all
6
7 The bind hooks will modify their controller registers, so simplefb is
8 going to be unusable anyway. Let's avoid any transient state where it
9 could still be in the system but no longer functionnal.
10
11 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
12 ---
13 drivers/gpu/drm/vc4/vc4_drv.c | 4 ++--
14 1 file changed, 2 insertions(+), 2 deletions(-)
15
16 --- a/drivers/gpu/drm/vc4/vc4_drv.c
17 +++ b/drivers/gpu/drm/vc4/vc4_drv.c
18 @@ -305,6 +305,8 @@ static int vc4_drm_bind(struct device *d
19 if (ret)
20 return ret;
21
22 + drm_fb_helper_remove_conflicting_framebuffers(NULL, "vc4drmfb", false);
23 +
24 ret = component_bind_all(dev, drm);
25 if (ret)
26 return ret;
27 @@ -315,8 +317,6 @@ static int vc4_drm_bind(struct device *d
28 goto unbind_all;
29 }
30
31 - drm_fb_helper_remove_conflicting_framebuffers(NULL, "vc4drmfb", false);
32 -
33 ret = vc4_kms_load(drm);
34 if (ret < 0)
35 goto unbind_all;