5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Lucas Stach l.stach@pengutronix.de
commit 4f8dbadef085ab447a01a8d4806a3f629fea05ed upstream.
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: stable@vger.kernel.org Reviewed-by: Christian Gmeiner cgmeiner@igalia.com Signed-off-by: Lucas Stach l.stach@pengutronix.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/etnaviv/etnaviv_buffer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c @@ -481,7 +481,8 @@ void etnaviv_buffer_queue(struct etnaviv } 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);