diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 2758e162ebb6..9f21ca010525 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -224,6 +224,36 @@ OUT_PKT3(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt) OUT_RING(ring, CP_TYPE3_PKT | ((cnt-1) << 16) | ((opcode & 0xFF) << 8)); } +static inline u32 PM4_PARITY(u32 val) +{ + return (0x9669 >> (0xF & (val ^ + (val >> 4) ^ (val >> 8) ^ (val >> 12) ^ + (val >> 16) ^ ((val) >> 20) ^ (val >> 24) ^ + (val >> 28)))) & 1; +} + +/* Maximum number of values that can be executed for one opcode */ +#define TYPE4_MAX_PAYLOAD 127 + +#define PKT4(_reg, _cnt) \ + (CP_TYPE4_PKT | ((_cnt) << 0) | (PM4_PARITY((_cnt)) << 7) | \ + (((_reg) & 0x3FFFF) << 8) | (PM4_PARITY((_reg)) << 27)) + +static inline void +OUT_PKT4(struct msm_ringbuffer *ring, uint16_t regindx, uint16_t cnt) +{ + adreno_wait_ring(ring->gpu, cnt + 1); + OUT_RING(ring, PKT4(regindx, cnt)); +} + +static inline void +OUT_PKT7(struct msm_ringbuffer *ring, uint8_t opcode, uint16_t cnt) +{ + adreno_wait_ring(ring->gpu, cnt + 1); + OUT_RING(ring, CP_TYPE7_PKT | (cnt << 0) | (PM4_PARITY(cnt) << 15) | + ((opcode & 0x7F) << 16) | (PM4_PARITY(opcode) << 23)); +} + /* * adreno_reg_check() - Checks the validity of a register enum * @gpu: Pointer to struct adreno_gpu |