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authorRob Clark <robdclark@gmail.com>2018-05-09 07:52:53 -0400
committerRob Clark <robdclark@gmail.com>2018-05-15 08:46:46 -0400
commit273f7d84049ad3c204571206b060d403e1ff2f94 (patch)
tree33548f0980a152d2a2e98144c9dc2a93f9da5e3d /src/gallium/drivers
parenta8c0daa1720f3d018b44a10cba3ac1e3c656c5e8 (diff)
freedreno: fence should hold a ref to pipe
Since the fence can outlive the context, and all it really needs to wait on a fence is the pipe, use the new fd_pipe reference counting to hold a ref to the pipe and drop the ctx pointer. This fixes a crash seen with (for example) glmark2: #0 fd_pipe_wait_timeout (pipe=0xbf48678b3cd7b32b, timestamp=0, timeout=18446744073709551615) at freedreno_pipe.c:101 #1 0x0000ffffbdf75914 in fd_fence_finish (pscreen=0x561110, ctx=0x0, fence=0xc55c10, timeout=18446744073709551615) at ../src/gallium/drivers/freedreno/freedreno_fence.c:96 #2 0x0000ffffbde154e4 in dri_flush (cPriv=0xb1ff80, dPriv=0x556660, flags=3, reason=__DRI2_THROTTLE_SWAPBUFFER) at ../src/gallium/state_trackers/dri/dri_drawable.c:569 #3 0x0000ffffbecd8b44 in loader_dri3_flush (draw=0x558a28, flags=3, throttle_reason=__DRI2_THROTTLE_SWAPBUFFER) at ../src/loader/loader_dri3_helper.c:656 #4 0x0000ffffbecbc36c in glx_dri3_flush_drawable (draw=0x558a28, flags=3) at ../src/glx/dri3_glx.c:132 #5 0x0000ffffbecd91e8 in loader_dri3_swap_buffers_msc (draw=0x558a28, target_msc=0, divisor=0, remainder=0, flush_flags=3, force_copy=false) at ../src/loader/loader_dri3_helper.c:827 #6 0x0000ffffbecbcfc4 in dri3_swap_buffers (pdraw=0x5589f0, target_msc=0, divisor=0, remainder=0, flush=1) at ../src/glx/dri3_glx.c:587 #7 0x0000ffffbec98218 in glXSwapBuffers (dpy=0x502bb0, drawable=2097154) at ../src/glx/glxcmds.c:840 #8 0x000000000040994c in CanvasGeneric::update (this=0xfffffffff400) at ../src/canvas-generic.cpp:114 #9 0x0000000000411594 in MainLoop::step (this=this@entry=0x5728f0) at ../src/main-loop.cpp:108 #10 0x0000000000409498 in do_benchmark (canvas=...) at ../src/main.cpp:117 #11 0x00000000004071b0 in main (argc=<optimized out>, argv=<optimized out>) at ../src/main.cpp:210 Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/freedreno/freedreno_fence.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_fence.c b/src/gallium/drivers/freedreno/freedreno_fence.c
index 1925f726a25..c4e20226b58 100644
--- a/src/gallium/drivers/freedreno/freedreno_fence.c
+++ b/src/gallium/drivers/freedreno/freedreno_fence.c
@@ -41,7 +41,7 @@ struct pipe_fence_handle {
* fence_fd become valid and the week reference is dropped.
*/
struct fd_batch *batch;
- struct fd_context *ctx;
+ struct fd_pipe *pipe;
struct fd_screen *screen;
int fence_fd;
uint32_t timestamp;
@@ -68,6 +68,7 @@ static void fd_fence_destroy(struct pipe_fence_handle *fence)
{
if (fence->fence_fd != -1)
close(fence->fence_fd);
+ fd_pipe_del(fence->pipe);
FREE(fence);
}
@@ -93,7 +94,7 @@ boolean fd_fence_finish(struct pipe_screen *pscreen,
return ret == 0;
}
- if (fd_pipe_wait_timeout(fence->ctx->pipe, fence->timestamp, timeout))
+ if (fd_pipe_wait_timeout(fence->pipe, fence->timestamp, timeout))
return false;
return true;
@@ -111,7 +112,7 @@ static struct pipe_fence_handle * fence_create(struct fd_context *ctx,
pipe_reference_init(&fence->reference, 1);
fence->batch = batch;
- fence->ctx = ctx;
+ fence->pipe = fd_pipe_ref(ctx->pipe);
fence->screen = ctx->screen;
fence->timestamp = timestamp;
fence->fence_fd = fence_fd;