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radeonsi: add PKT3_CONTEXT_REG_RMW 

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
This commit is contained in:
Marek Olšák 2019-08-21 00:13:17 -04:00
parent d9a453c747
commit 2e94cb6693
2 changed files with 31 additions and 0 deletions
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1
src/amd/common/sid.h
View File

@ -181,6 +181,7 @@
/* fix CP DMA before uncommenting: */
/*#define PKT3_EVENT_WRITE_EOS 0x48*/ /* not on GFX9 */
#define PKT3_RELEASE_MEM 0x49 /* GFX9+ [any ring] or GFX8 [compute ring only] */
#define PKT3_CONTEXT_REG_RMW 0x51 /* older firmware versions on older chips don't have this */
#define PKT3_ONE_REG_WRITE 0x57 /* not on CIK */
#define PKT3_ACQUIRE_MEM 0x58 /* new for CIK */
#define PKT3_REWIND 0x59 /* VI+ [any ring] or CIK [compute ring only] */

30
src/gallium/drivers/radeonsi/si_build_pm4.h
View File

@ -116,6 +116,36 @@ static inline void radeon_set_uconfig_reg_idx(struct radeon_cmdbuf *cs,
radeon_emit(cs, value);
}
static inline void radeon_set_context_reg_rmw(struct radeon_cmdbuf *cs, unsigned reg,
unsigned value, unsigned mask)
{
assert(reg >= SI_CONTEXT_REG_OFFSET);
assert(cs->current.cdw + 4 <= cs->current.max_dw);
radeon_emit(cs, PKT3(PKT3_CONTEXT_REG_RMW, 2, 0));
radeon_emit(cs, (reg - SI_CONTEXT_REG_OFFSET) >> 2);
radeon_emit(cs, mask);
radeon_emit(cs, value);
}
/* Emit PKT3_CONTEXT_REG_RMW if the register value is different. */
static inline void radeon_opt_set_context_reg_rmw(struct si_context *sctx, unsigned offset,
enum si_tracked_reg reg, unsigned value,
unsigned mask)
{
struct radeon_cmdbuf *cs = sctx->gfx_cs;
assert((value & ~mask) == 0);
value &= mask;
if (((sctx->tracked_regs.reg_saved >> reg) & 0x1) != 0x1 ||
sctx->tracked_regs.reg_value[reg] != value) {
radeon_set_context_reg_rmw(cs, offset, value, mask);
sctx->tracked_regs.reg_saved |= 0x1ull << reg;
sctx->tracked_regs.reg_value[reg] = value;
}
}
/* Emit PKT3_SET_CONTEXT_REG if the register value is different. */
static inline void radeon_opt_set_context_reg(struct si_context *sctx, unsigned offset,
enum si_tracked_reg reg, unsigned value)