freedreno: fix context teardown race

We could still have batches queued up to flush, so fd_context_destroy()
(which will kill and sync on the flush_queue) before deleting buffers
that might be referenced from fdN_gmem() from context of flush_queue.

Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_context.c b/src/gallium/drivers/freedreno/a3xx/fd3_context.c
index bb9dd28..c045133 100644 (file)
--- a/src/gallium/drivers/freedreno/a3xx/fd3_context.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_context.c
@@ -44,6 +44,8 @@ fd3_context_destroy(struct pipe_context *pctx)
 {
        struct fd3_context *fd3_ctx = fd3_context(fd_context(pctx));
 
+       fd_context_destroy(pctx);
+
        fd_bo_del(fd3_ctx->vs_pvt_mem);
        fd_bo_del(fd3_ctx->fs_pvt_mem);
        fd_bo_del(fd3_ctx->vsc_size_mem);
@@ -54,8 +56,6 @@ fd3_context_destroy(struct pipe_context *pctx)
 
        fd_hw_query_fini(pctx);
 
-       fd_context_destroy(pctx);
-
        free(fd3_ctx);
 }
 

diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_context.c b/src/gallium/drivers/freedreno/a4xx/fd4_context.c
index 12505e8..97aae13 100644 (file)
--- a/src/gallium/drivers/freedreno/a4xx/fd4_context.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_context.c
@@ -44,6 +44,8 @@ fd4_context_destroy(struct pipe_context *pctx)
 {
        struct fd4_context *fd4_ctx = fd4_context(fd_context(pctx));
 
+       fd_context_destroy(pctx);
+
        fd_bo_del(fd4_ctx->vs_pvt_mem);
        fd_bo_del(fd4_ctx->fs_pvt_mem);
        fd_bo_del(fd4_ctx->vsc_size_mem);
@@ -54,8 +56,6 @@ fd4_context_destroy(struct pipe_context *pctx)
 
        fd_hw_query_fini(pctx);
 
-       fd_context_destroy(pctx);
-
        free(fd4_ctx);
 }
 

diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_context.c b/src/gallium/drivers/freedreno/a5xx/fd5_context.c
index 96e89bc..d69b787 100644 (file)
--- a/src/gallium/drivers/freedreno/a5xx/fd5_context.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_context.c
@@ -44,6 +44,8 @@ fd5_context_destroy(struct pipe_context *pctx)
 {
        struct fd5_context *fd5_ctx = fd5_context(fd_context(pctx));
 
+       fd_context_destroy(pctx);
+
        fd_bo_del(fd5_ctx->vs_pvt_mem);
        fd_bo_del(fd5_ctx->fs_pvt_mem);
        fd_bo_del(fd5_ctx->vsc_size_mem);
@@ -53,8 +55,6 @@ fd5_context_destroy(struct pipe_context *pctx)
 
        u_upload_destroy(fd5_ctx->border_color_uploader);
 
-       fd_context_destroy(pctx);
-
        free(fd5_ctx);
 }
 

diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_context.c b/src/gallium/drivers/freedreno/a6xx/fd6_context.c
index 4c41548..f67a0a7 100644 (file)
--- a/src/gallium/drivers/freedreno/a6xx/fd6_context.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_context.c
@@ -43,6 +43,8 @@ fd6_context_destroy(struct pipe_context *pctx)
 {
        struct fd6_context *fd6_ctx = fd6_context(fd_context(pctx));
 
+       fd_context_destroy(pctx);
+
        fd_bo_del(fd6_ctx->vs_pvt_mem);
        fd_bo_del(fd6_ctx->fs_pvt_mem);
        fd_bo_del(fd6_ctx->vsc_size_mem);
@@ -52,8 +54,6 @@ fd6_context_destroy(struct pipe_context *pctx)
 
        u_upload_destroy(fd6_ctx->border_color_uploader);
 
-       fd_context_destroy(pctx);
-
        free(fd6_ctx);
 }