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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0538-drm-vc4-drv-Support-BCM2711.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0538-drm-vc4-drv-Support-BCM2711.patch109
1 files changed, 0 insertions, 109 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0538-drm-vc4-drv-Support-BCM2711.patch b/target/linux/bcm27xx/patches-5.4/950-0538-drm-vc4-drv-Support-BCM2711.patch
deleted file mode 100644
index 21018e11b7..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0538-drm-vc4-drv-Support-BCM2711.patch
+++ /dev/null
@@ -1,109 +0,0 @@
-From d52f29a5e0ee9882f6f734c057224686b9820152 Mon Sep 17 00:00:00 2001
-From: Maxime Ripard <maxime@cerno.tech>
-Date: Thu, 6 Feb 2020 15:40:34 +0100
-Subject: [PATCH] drm/vc4: drv: Support BCM2711
-
-The BCM2711 has a reworked display pipeline, and the load tracker needs
-some adjustement to operate properly. Let's add a compatible for BCM2711
-and disable the load tracker until properly supported.
-
-Signed-off-by: Maxime Ripard <maxime@cerno.tech>
----
- drivers/gpu/drm/vc4/vc4_drv.c | 1 +
- drivers/gpu/drm/vc4/vc4_drv.h | 3 +++
- drivers/gpu/drm/vc4/vc4_kms.c | 32 +++++++++++++++++++++-----------
- drivers/gpu/drm/vc4/vc4_plane.c | 5 +++++
- 4 files changed, 30 insertions(+), 11 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_drv.c
-+++ b/drivers/gpu/drm/vc4/vc4_drv.c
-@@ -369,6 +369,7 @@ static int vc4_platform_drm_remove(struc
- }
-
- static const struct of_device_id vc4_of_match[] = {
-+ { .compatible = "brcm,bcm2711-vc5", },
- { .compatible = "brcm,bcm2835-vc4", },
- { .compatible = "brcm,cygnus-vc4", },
- {},
---- a/drivers/gpu/drm/vc4/vc4_drv.h
-+++ b/drivers/gpu/drm/vc4/vc4_drv.h
-@@ -205,6 +205,9 @@ struct vc4_dev {
-
- int power_refcount;
-
-+ /* Set to true when the load tracker is supported. */
-+ bool load_tracker_available;
-+
- /* Set to true when the load tracker is active. */
- bool load_tracker_enabled;
-
---- a/drivers/gpu/drm/vc4/vc4_kms.c
-+++ b/drivers/gpu/drm/vc4/vc4_kms.c
-@@ -421,6 +421,9 @@ static int vc4_load_tracker_atomic_check
- struct drm_plane *plane;
- int i;
-
-+ if (!vc4->load_tracker_available)
-+ return 0;
-+
- priv_state = drm_atomic_get_private_obj_state(state,
- &vc4->load_tracker);
- if (IS_ERR(priv_state))
-@@ -520,10 +523,14 @@ int vc4_kms_load(struct drm_device *dev)
- struct vc4_load_tracker_state *load_state;
- int ret;
-
-- /* Start with the load tracker enabled. Can be disabled through the
-- * debugfs load_tracker file.
-- */
-- vc4->load_tracker_enabled = true;
-+ if (!of_device_is_compatible(dev->dev->of_node, "brcm,bcm2711-vc5")) {
-+ vc4->load_tracker_available = true;
-+
-+ /* Start with the load tracker enabled. Can be
-+ * disabled through the debugfs load_tracker file.
-+ */
-+ vc4->load_tracker_enabled = true;
-+ }
-
- sema_init(&vc4->async_modeset, 1);
-
-@@ -560,14 +567,17 @@ int vc4_kms_load(struct drm_device *dev)
- drm_atomic_private_obj_init(dev, &vc4->ctm_manager, &ctm_state->base,
- &vc4_ctm_state_funcs);
-
-- load_state = kzalloc(sizeof(*load_state), GFP_KERNEL);
-- if (!load_state) {
-- drm_atomic_private_obj_fini(&vc4->ctm_manager);
-- return -ENOMEM;
-- }
-+ if (vc4->load_tracker_available) {
-+ load_state = kzalloc(sizeof(*load_state), GFP_KERNEL);
-+ if (!load_state) {
-+ drm_atomic_private_obj_fini(&vc4->ctm_manager);
-+ return -ENOMEM;
-+ }
-
-- drm_atomic_private_obj_init(dev, &vc4->load_tracker, &load_state->base,
-- &vc4_load_tracker_state_funcs);
-+ drm_atomic_private_obj_init(dev, &vc4->load_tracker,
-+ &load_state->base,
-+ &vc4_load_tracker_state_funcs);
-+ }
-
- drm_mode_config_reset(dev);
-
---- a/drivers/gpu/drm/vc4/vc4_plane.c
-+++ b/drivers/gpu/drm/vc4/vc4_plane.c
-@@ -500,6 +500,11 @@ static void vc4_plane_calc_load(struct d
- struct vc4_plane_state *vc4_state;
- struct drm_crtc_state *crtc_state;
- unsigned int vscale_factor;
-+ struct vc4_dev *vc4;
-+
-+ vc4 = to_vc4_dev(state->plane->dev);
-+ if (!vc4->load_tracker_available)
-+ return;
-
- vc4_state = to_vc4_plane_state(state);
- crtc_state = drm_atomic_get_existing_crtc_state(state->state,