[PATCH] drm/etnaviv: flush shader L1 cache after user commandstream

[Lucas Stach]

The shader L1 cache is a writeback cache for shader loads/stores
and thus must be flushed before any BOs backing the shader buffers
are potentially freed.

Cc: sta...@vger.kernel.org
Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
---
 drivers/gpu/drm/etnaviv/etnaviv_buffer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c 
b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
index 384df1659be6..b13a17276d07 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
@@ -482,7 +482,8 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 
exec_state,
        } else {
                CMD_LOAD_STATE(buffer, VIVS_GL_FLUSH_CACHE,
                                       VIVS_GL_FLUSH_CACHE_DEPTH |
-                                      VIVS_GL_FLUSH_CACHE_COLOR);
+                                      VIVS_GL_FLUSH_CACHE_COLOR |
+                                      VIVS_GL_FLUSH_CACHE_SHADER_L1);
                if (has_blt) {
                        CMD_LOAD_STATE(buffer, VIVS_BLT_ENABLE, 0x1);
                        CMD_LOAD_STATE(buffer, VIVS_BLT_SET_COMMAND, 0x1);
-- 
2.39.5