From b7617346dcff50a66a10c61b95c33682cf629c9e Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Tue, 7 Dec 2010 15:15:58 -0500 Subject: [PATCH] r600g: fix userspace fence against lastest kernel R6XX GPU doesn't like to have two partial flush writting back to memory in row without a prior flush of the pipeline. Add PS_PARTIAL_FLUSH to flush all work between the CP and the ES, GS, VS, PS shaders. Thanks a lot to Alban Browaeys (prahal on irc) for investigating this issue. Signed-off-by: Alban Browaeys Signed-off-by: Jerome Glisse --- src/gallium/winsys/r600/drm/r600_hw_context.c | 2 ++ src/gallium/winsys/r600/drm/r600d.h | 1 + 2 files changed, 3 insertions(+) diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c index b2da7bf9909..0f2724f61ce 100644 --- a/src/gallium/winsys/r600/drm/r600_hw_context.c +++ b/src/gallium/winsys/r600/drm/r600_hw_context.c @@ -1112,6 +1112,8 @@ void r600_context_flush(struct r600_context *ctx) r600_context_queries_suspend(ctx); /* emit fence */ + ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE, 0); + ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4); ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE_EOP, 4); ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5); ctx->pm4[ctx->pm4_cdwords++] = 0; diff --git a/src/gallium/winsys/r600/drm/r600d.h b/src/gallium/winsys/r600/drm/r600d.h index 4a08d504aab..1c1ac76fe69 100644 --- a/src/gallium/winsys/r600/drm/r600d.h +++ b/src/gallium/winsys/r600/drm/r600d.h @@ -91,6 +91,7 @@ #define PKT3_SET_CTL_CONST 0x6F #define PKT3_SURFACE_BASE_UPDATE 0x73 +#define EVENT_TYPE_PS_PARTIAL_FLUSH 0x10 #define EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT 0x14 #define EVENT_TYPE_ZPASS_DONE 0x15 #define EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT 0x16 -- 2.30.2