From b12ff15fda70ea7b0a4c99c8199c2532e5dba94f Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Fri, 10 Jun 2022 13:51:41 +0200
Subject: drm/vc4: kms: Register a different drm_mode_config_funcs on BCM2711
Git-commit: 39a30ec64510f71d2a9f5059a7fc1283c4108a35
Patch-mainline: v5.19-rc4
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
On the BCM2711, our current definition of drm_mode_config_funcs uses the
custom vc4_fb_create().
However, that function relies on the buffer allocation path that was
relying on the GPU, and is no longer relevant.
Let's create another drm_mode_config_funcs structure that we will
register on the BCM2711.
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220610115149.964394-7-maxime@cerno.tech
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/vc4/vc4_kms.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index 3c232d85ab85..1d3b31fb71ea 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -997,6 +997,12 @@ static const struct drm_mode_config_funcs vc4_mode_funcs = {
.fb_create = vc4_fb_create,
};
+static const struct drm_mode_config_funcs vc5_mode_funcs = {
+ .atomic_check = vc4_atomic_check,
+ .atomic_commit = drm_atomic_helper_commit,
+ .fb_create = drm_gem_fb_create,
+};
+
int vc4_kms_load(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
@@ -1031,7 +1037,7 @@ int vc4_kms_load(struct drm_device *dev)
dev->mode_config.max_height = 2048;
}
- dev->mode_config.funcs = &vc4_mode_funcs;
+ dev->mode_config.funcs = vc4->is_vc5 ? &vc5_mode_funcs : &vc4_mode_funcs;
dev->mode_config.helper_private = &vc4_mode_config_helpers;
dev->mode_config.preferred_depth = 24;
dev->mode_config.async_page_flip = true;
--
2.38.1