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-rw-r--r--src/gallium/winsys/r600/drm/r600_hw_context.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index a3f85d22919..84b56e3f8b3 100644
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -40,6 +40,13 @@
#define GROUP_FORCE_NEW_BLOCK 0
+static void r600_init_cs(struct r600_context *ctx)
+{
+ ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_CONTEXT_CONTROL, 1, 0);
+ ctx->pm4[ctx->pm4_cdwords++] = 0x80000000;
+ ctx->pm4[ctx->pm4_cdwords++] = 0x80000000;
+}
+
static void INLINE r600_context_update_fenced_list(struct r600_context *ctx)
{
for (int i = 0; i < ctx->creloc; i++) {
@@ -780,6 +787,9 @@ int r600_context_init(struct r600_context *ctx, struct radeon *radeon)
r = -ENOMEM;
goto out_err;
}
+
+ if (ctx->radeon->family == CHIP_R600)
+ r600_init_cs(ctx);
/* save 16dwords space for fence mecanism */
ctx->pm4_ndwords -= 16;
@@ -1385,6 +1395,9 @@ void r600_context_flush(struct r600_context *ctx)
ctx->pm4_cdwords = 0;
ctx->flags = 0;
+ if (ctx->radeon->family == CHIP_R600)
+ r600_init_cs(ctx);
+
/* resume queries */
r600_context_queries_resume(ctx);