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drm/msm: gpu: Add OUT_TYPE4 and OUT_TYPE7 

Add helper functions for TYPE4 and TYPE7 ME opcodes that replace
TYPE0 and TYPE3 starting with the A5XX targets.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2016-11-28 12:28:30 -07:00 committed by Rob Clark
parent fb03998192
commit 05b9401bee
1 changed files with 30 additions and 0 deletions
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30
drivers/gpu/drm/msm/adreno/adreno_gpu.h
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@ -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