diff options
author | Maxime Ripard <maxime@cerno.tech> | 2020-10-29 20:01:04 +0100 |
---|---|---|
committer | Maxime Ripard <maxime@cerno.tech> | 2020-11-02 12:23:12 +0100 |
commit | dcda7c28bff2662a44c0adaf87c08031bebeb7d8 (patch) | |
tree | b356b5102107396d4cdd45ee8ad4b6faa155db9c /drivers/gpu/drm/vc4/vc4_kms.c | |
parent | 84d7d4720c21320c0e4f9369d6a82fc112b63d8c (diff) |
drm/vc4: kms: Add functions to create the state objects
In order to make the vc4_kms_load code and error path a bit easier to
read and extend, add functions to create state objects, and use managed
actions to cleanup if needed.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-6-maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_kms.c')
-rw-r--r-- | drivers/gpu/drm/vc4/vc4_kms.c | 78 |
1 files changed, 57 insertions, 21 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 708099a24406..2b951cae04ad 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -93,6 +93,29 @@ static const struct drm_private_state_funcs vc4_ctm_state_funcs = { .atomic_destroy_state = vc4_ctm_destroy_state, }; +static void vc4_ctm_obj_fini(struct drm_device *dev, void *unused) +{ + struct vc4_dev *vc4 = to_vc4_dev(dev); + + drm_atomic_private_obj_fini(&vc4->ctm_manager); +} + +static int vc4_ctm_obj_init(struct vc4_dev *vc4) +{ + struct vc4_ctm_state *ctm_state; + + drm_modeset_lock_init(&vc4->ctm_state_lock); + + ctm_state = kzalloc(sizeof(*ctm_state), GFP_KERNEL); + if (!ctm_state) + return -ENOMEM; + + drm_atomic_private_obj_init(&vc4->base, &vc4->ctm_manager, &ctm_state->base, + &vc4_ctm_state_funcs); + + return drmm_add_action(&vc4->base, vc4_ctm_obj_fini, NULL); +} + /* Converts a DRM S31.32 value to the HW S0.9 format. */ static u16 vc4_ctm_s31_32_to_s0_9(u64 in) { @@ -609,6 +632,34 @@ static const struct drm_private_state_funcs vc4_load_tracker_state_funcs = { .atomic_destroy_state = vc4_load_tracker_destroy_state, }; +static void vc4_load_tracker_obj_fini(struct drm_device *dev, void *unused) +{ + struct vc4_dev *vc4 = to_vc4_dev(dev); + + if (!vc4->load_tracker_available) + return; + + drm_atomic_private_obj_fini(&vc4->load_tracker); +} + +static int vc4_load_tracker_obj_init(struct vc4_dev *vc4) +{ + struct vc4_load_tracker_state *load_state; + + if (!vc4->load_tracker_available) + return 0; + + load_state = kzalloc(sizeof(*load_state), GFP_KERNEL); + if (!load_state) + return -ENOMEM; + + drm_atomic_private_obj_init(&vc4->base, &vc4->load_tracker, + &load_state->base, + &vc4_load_tracker_state_funcs); + + return drmm_add_action(&vc4->base, vc4_load_tracker_obj_fini, NULL); +} + #define NUM_OUTPUTS 6 #define NUM_CHANNELS 3 @@ -711,8 +762,6 @@ static const struct drm_mode_config_funcs vc4_mode_funcs = { int vc4_kms_load(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_ctm_state *ctm_state; - struct vc4_load_tracker_state *load_state; bool is_vc5 = of_device_is_compatible(dev->dev->of_node, "brcm,bcm2711-vc5"); int ret; @@ -751,26 +800,13 @@ int vc4_kms_load(struct drm_device *dev) dev->mode_config.async_page_flip = true; dev->mode_config.allow_fb_modifiers = true; - drm_modeset_lock_init(&vc4->ctm_state_lock); - - ctm_state = kzalloc(sizeof(*ctm_state), GFP_KERNEL); - if (!ctm_state) - return -ENOMEM; - - drm_atomic_private_obj_init(dev, &vc4->ctm_manager, &ctm_state->base, - &vc4_ctm_state_funcs); - - 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; - } + ret = vc4_ctm_obj_init(vc4); + if (ret) + return ret; - drm_atomic_private_obj_init(dev, &vc4->load_tracker, - &load_state->base, - &vc4_load_tracker_state_funcs); - } + ret = vc4_load_tracker_obj_init(vc4); + if (ret) + return ret; drm_mode_config_reset(dev); |