Module: Mesa Branch: master Commit: bd4b224fa6630262df2b70fd6a6fc8080ad59086 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bd4b224fa6630262df2b70fd6a6fc8080ad59086
Author: Marek Olšák <[email protected]> Date: Mon May 15 17:27:25 2017 +0200 gallium/radeon: use a top-of-pipe timestamp for the start of TIME_ELAPSED Reviewed-by: Nicolai Hähnle <[email protected]> --- src/amd/common/r600d_common.h | 11 +++++++++++ src/gallium/drivers/radeon/r600_query.c | 21 +++++++++++++++++++-- 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/src/amd/common/r600d_common.h b/src/amd/common/r600d_common.h index 3fdfb7c695..3374475336 100644 --- a/src/amd/common/r600d_common.h +++ b/src/amd/common/r600d_common.h @@ -54,6 +54,17 @@ #define PKT3_WAIT_REG_MEM 0x3C #define WAIT_REG_MEM_EQUAL 3 #define WAIT_REG_MEM_MEM_SPACE(x) (((unsigned)(x) & 0x3) << 4) +#define PKT3_COPY_DATA 0x40 +#define COPY_DATA_SRC_SEL(x) ((x) & 0xf) +#define COPY_DATA_REG 0 +#define COPY_DATA_MEM 1 +#define COPY_DATA_PERF 4 +#define COPY_DATA_IMM 5 +#define COPY_DATA_TIMESTAMP 9 +#define COPY_DATA_DST_SEL(x) (((unsigned)(x) & 0xf) << 8) +#define COPY_DATA_MEM_ASYNC 5 +#define COPY_DATA_COUNT_SEL (1 << 16) +#define COPY_DATA_WR_CONFIRM (1 << 20) #define PKT3_EVENT_WRITE 0x46 #define PKT3_EVENT_WRITE_EOP 0x47 #define EOP_DATA_SEL(x) ((x) << 29) diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c index 9878745edc..61fd6626b9 100644 --- a/src/gallium/drivers/radeon/r600_query.c +++ b/src/gallium/drivers/radeon/r600_query.c @@ -689,8 +689,25 @@ static void r600_query_hw_do_emit_start(struct r600_common_context *ctx, radeon_emit(cs, va >> 32); break; case PIPE_QUERY_TIME_ELAPSED: - r600_gfx_write_event_eop(ctx, EVENT_TYPE_BOTTOM_OF_PIPE_TS, - 0, 3, NULL, va, 0, 0); + if (ctx->chip_class >= SI) { + /* Write the timestamp from the CP not waiting for + * outstanding draws (top-of-pipe). + */ + radeon_emit(cs, PKT3(PKT3_COPY_DATA, 4, 0)); + radeon_emit(cs, COPY_DATA_COUNT_SEL | + COPY_DATA_SRC_SEL(COPY_DATA_TIMESTAMP) | + COPY_DATA_DST_SEL(COPY_DATA_MEM_ASYNC)); + radeon_emit(cs, 0); + radeon_emit(cs, 0); + radeon_emit(cs, va); + radeon_emit(cs, va >> 32); + } else { + /* Write the timestamp after the last draw is done. + * (bottom-of-pipe) + */ + r600_gfx_write_event_eop(ctx, EVENT_TYPE_BOTTOM_OF_PIPE_TS, + 0, 3, NULL, va, 0, 0); + } break; case PIPE_QUERY_PIPELINE_STATISTICS: radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0)); _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
