Mesa (master): radeonsi: set descriptor dirty mask on shader buffer unbind

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: ec2b52e2d9d7114df6e6023eec5949c4c6a76d52
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ec2b52e2d9d7114df6e6023eec5949c4c6a76d52

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Fri Jun  3 15:17:25 2016 +0200

radeonsi: set descriptor dirty mask on shader buffer unbind

Found randomly while skimming the code. This might have caused VM faults in
robustness tests.

Cc: 12.0 <mesa-stable at lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_descriptors.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index baddc5f..f48ddb7 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -968,6 +968,7 @@ static void si_set_shader_buffers(struct pipe_context *ctx, unsigned shader,
 			pipe_resource_reference(&buffers->buffers[slot], NULL);
 			memset(desc, 0, sizeof(uint32_t) * 4);
 			buffers->desc.enabled_mask &= ~(1u << slot);
+			buffers->desc.dirty_mask |= 1u << slot;
 			continue;
 		}