diff options
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.patch | 109 |
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, |