diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h | 82 |
1 files changed, 66 insertions, 16 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h b/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h index 2af9cfd2c60f..d1fbbe4b00a2 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h @@ -12,16 +12,32 @@ struct ramfuc { struct ramfuc_reg { int sequence; bool force; - u32 addr[2]; + u32 addr; + u32 stride; /* in bytes */ + u32 mask; u32 data; }; static inline struct ramfuc_reg +ramfuc_stride(u32 addr, u32 stride, u32 mask) +{ + return (struct ramfuc_reg) { + .sequence = 0, + .addr = addr, + .stride = stride, + .mask = mask, + .data = 0xdeadbeef, + }; +} + +static inline struct ramfuc_reg ramfuc_reg2(u32 addr1, u32 addr2) { return (struct ramfuc_reg) { .sequence = 0, - .addr = { addr1, addr2 }, + .addr = addr1, + .stride = addr2 - addr1, + .mask = 0x3, .data = 0xdeadbeef, }; } @@ -29,7 +45,13 @@ ramfuc_reg2(u32 addr1, u32 addr2) static noinline struct ramfuc_reg ramfuc_reg(u32 addr) { - return ramfuc_reg2(addr, addr); + return (struct ramfuc_reg) { + .sequence = 0, + .addr = addr, + .stride = 0, + .mask = 0x1, + .data = 0xdeadbeef, + }; } static inline int @@ -62,18 +84,25 @@ static inline u32 ramfuc_rd32(struct ramfuc *ram, struct ramfuc_reg *reg) { if (reg->sequence != ram->sequence) - reg->data = nv_rd32(ram->pfb, reg->addr[0]); + reg->data = nv_rd32(ram->pfb, reg->addr); return reg->data; } static inline void ramfuc_wr32(struct ramfuc *ram, struct ramfuc_reg *reg, u32 data) { + unsigned int mask, off = 0; + reg->sequence = ram->sequence; reg->data = data; - if (reg->addr[0] != reg->addr[1]) - nouveau_memx_wr32(ram->memx, reg->addr[1], reg->data); - nouveau_memx_wr32(ram->memx, reg->addr[0], reg->data); + + for (mask = reg->mask; mask > 0; mask = (mask & ~1) >> 1) { + if (mask & 1) { + nouveau_memx_wr32(ram->memx, reg->addr+off, reg->data); + } + + off += reg->stride; + } } static inline void @@ -105,14 +134,35 @@ ramfuc_nsec(struct ramfuc *ram, u32 nsec) nouveau_memx_nsec(ram->memx, nsec); } -#define ram_init(s,p) ramfuc_init(&(s)->base, (p)) -#define ram_exec(s,e) ramfuc_exec(&(s)->base, (e)) -#define ram_have(s,r) ((s)->r_##r.addr[0] != 0x000000) -#define ram_rd32(s,r) ramfuc_rd32(&(s)->base, &(s)->r_##r) -#define ram_wr32(s,r,d) ramfuc_wr32(&(s)->base, &(s)->r_##r, (d)) -#define ram_nuke(s,r) ramfuc_nuke(&(s)->base, &(s)->r_##r) -#define ram_mask(s,r,m,d) ramfuc_mask(&(s)->base, &(s)->r_##r, (m), (d)) -#define ram_wait(s,r,m,d,n) ramfuc_wait(&(s)->base, (r), (m), (d), (n)) -#define ram_nsec(s,n) ramfuc_nsec(&(s)->base, (n)) +static inline void +ramfuc_wait_vblank(struct ramfuc *ram) +{ + nouveau_memx_wait_vblank(ram->memx); +} + +static inline void +ramfuc_block(struct ramfuc *ram) +{ + nouveau_memx_block(ram->memx); +} + +static inline void +ramfuc_unblock(struct ramfuc *ram) +{ + nouveau_memx_unblock(ram->memx); +} + +#define ram_init(s,p) ramfuc_init(&(s)->base, (p)) +#define ram_exec(s,e) ramfuc_exec(&(s)->base, (e)) +#define ram_have(s,r) ((s)->r_##r.addr != 0x000000) +#define ram_rd32(s,r) ramfuc_rd32(&(s)->base, &(s)->r_##r) +#define ram_wr32(s,r,d) ramfuc_wr32(&(s)->base, &(s)->r_##r, (d)) +#define ram_nuke(s,r) ramfuc_nuke(&(s)->base, &(s)->r_##r) +#define ram_mask(s,r,m,d) ramfuc_mask(&(s)->base, &(s)->r_##r, (m), (d)) +#define ram_wait(s,r,m,d,n) ramfuc_wait(&(s)->base, (r), (m), (d), (n)) +#define ram_nsec(s,n) ramfuc_nsec(&(s)->base, (n)) +#define ram_wait_vblank(s) ramfuc_wait_vblank(&(s)->base) +#define ram_block(s) ramfuc_block(&(s)->base) +#define ram_unblock(s) ramfuc_unblock(&(s)->base) #endif |