diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/crc.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/crc.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.h b/drivers/gpu/drm/nouveau/dispnv50/crc.h new file mode 100644 index 000000000..4823f1fde --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/crc.h @@ -0,0 +1,131 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NV50_CRC_H__ +#define __NV50_CRC_H__ + +#include <linux/mutex.h> +#include <drm/drm_crtc.h> +#include <drm/drm_vblank_work.h> + +#include <nvif/mem.h> +#include <nvkm/subdev/bios.h> +#include "nouveau_encoder.h" + +struct nv50_atom; +struct nv50_disp; +struct nv50_head; + +#if IS_ENABLED(CONFIG_DEBUG_FS) +enum nv50_crc_source { + NV50_CRC_SOURCE_NONE = 0, + NV50_CRC_SOURCE_AUTO, + NV50_CRC_SOURCE_RG, + NV50_CRC_SOURCE_OUTP_ACTIVE, + NV50_CRC_SOURCE_OUTP_COMPLETE, + NV50_CRC_SOURCE_OUTP_INACTIVE, +}; + +/* RG -> SF (DP only) + * -> SOR + * -> PIOR + * -> DAC + */ +enum nv50_crc_source_type { + NV50_CRC_SOURCE_TYPE_NONE = 0, + NV50_CRC_SOURCE_TYPE_SOR, + NV50_CRC_SOURCE_TYPE_PIOR, + NV50_CRC_SOURCE_TYPE_DAC, + NV50_CRC_SOURCE_TYPE_RG, + NV50_CRC_SOURCE_TYPE_SF, +}; + +struct nv50_crc_notifier_ctx { + struct nvif_mem mem; + struct nvif_object ntfy; +}; + +struct nv50_crc_atom { + enum nv50_crc_source src; +}; + +struct nv50_crc_func { + int (*set_src)(struct nv50_head *, int or, enum nv50_crc_source_type type, + struct nv50_crc_notifier_ctx *ctx); + int (*set_ctx)(struct nv50_head *, struct nv50_crc_notifier_ctx *); + u32 (*get_entry)(struct nv50_head *, struct nv50_crc_notifier_ctx *, + enum nv50_crc_source, int idx); + bool (*ctx_finished)(struct nv50_head *, + struct nv50_crc_notifier_ctx *); + short flip_threshold; + short num_entries; + size_t notifier_len; +}; + +struct nv50_crc { + spinlock_t lock; + struct nv50_crc_notifier_ctx ctx[2]; + struct drm_vblank_work flip_work; + enum nv50_crc_source src; + + u64 frame; + short entry_idx; + short flip_threshold; + u8 ctx_idx : 1; + bool ctx_changed : 1; +}; + +void nv50_crc_init(struct drm_device *dev); +int nv50_head_crc_late_register(struct nv50_head *); +void nv50_crc_handle_vblank(struct nv50_head *head); + +int nv50_crc_verify_source(struct drm_crtc *, const char *, size_t *); +const char *const *nv50_crc_get_sources(struct drm_crtc *, size_t *); +int nv50_crc_set_source(struct drm_crtc *, const char *); + +int nv50_crc_atomic_check_head(struct nv50_head *, struct nv50_head_atom *, + struct nv50_head_atom *); +void nv50_crc_atomic_check_outp(struct nv50_atom *atom); +void nv50_crc_atomic_stop_reporting(struct drm_atomic_state *); +void nv50_crc_atomic_init_notifier_contexts(struct drm_atomic_state *); +void nv50_crc_atomic_release_notifier_contexts(struct drm_atomic_state *); +void nv50_crc_atomic_start_reporting(struct drm_atomic_state *); +void nv50_crc_atomic_set(struct nv50_head *, struct nv50_head_atom *); +void nv50_crc_atomic_clr(struct nv50_head *); + +extern const struct nv50_crc_func crc907d; +extern const struct nv50_crc_func crcc37d; +extern const struct nv50_crc_func crcc57d; + +#else /* IS_ENABLED(CONFIG_DEBUG_FS) */ +struct nv50_crc {}; +struct nv50_crc_func {}; +struct nv50_crc_atom {}; + +#define nv50_crc_verify_source NULL +#define nv50_crc_get_sources NULL +#define nv50_crc_set_source NULL + +static inline void nv50_crc_init(struct drm_device *dev) {} +static inline int +nv50_head_crc_late_register(struct nv50_head *head) { return 0; } +static inline void nv50_crc_handle_vblank(struct nv50_head *head) {} + +static inline int +nv50_crc_atomic_check_head(struct nv50_head *head, + struct nv50_head_atom *asyh, + struct nv50_head_atom *armh) { return 0; } +static inline void nv50_crc_atomic_check_outp(struct nv50_atom *atom) {} +static inline void +nv50_crc_atomic_stop_reporting(struct drm_atomic_state *state) {} +static inline void +nv50_crc_atomic_init_notifier_contexts(struct drm_atomic_state *state) {} +static inline void +nv50_crc_atomic_release_notifier_contexts(struct drm_atomic_state *state) {} +static inline void +nv50_crc_atomic_start_reporting(struct drm_atomic_state *state) {} +static inline void +nv50_crc_atomic_set(struct nv50_head *head, struct nv50_head_atom *state) {} +static inline void +nv50_crc_atomic_clr(struct nv50_head *head) {} + +#endif /* IS_ENABLED(CONFIG_DEBUG_FS) */ +#endif /* !__NV50_CRC_H__ */ |