The patch below does not apply to the 4.18-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From e71cf591876536f7dd5a54ef68d631278ca6faa1 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom thellstrom@vmware.com Date: Fri, 14 Sep 2018 09:24:19 +0200 Subject: [PATCH] drm/vmwgfx: Fix buffer object eviction MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
Commit 19be55701071 ("drm/ttm: add operation ctx to ttm_bo_validate v2") introduced a regression where the vmwgfx driver refused to evict a buffer that was still busy instead of waiting for it to become idle.
Fix this.
Cc: stable@vger.kernel.org Signed-off-by: Thomas Hellstrom thellstrom@vmware.com Reviewed-by: Christian König christian.koenig@amd.com
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 1f134570b759..f0ab6b2313bb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -3729,7 +3729,7 @@ int vmw_validate_single_buffer(struct vmw_private *dev_priv, { struct vmw_buffer_object *vbo = container_of(bo, struct vmw_buffer_object, base); - struct ttm_operation_ctx ctx = { interruptible, true }; + struct ttm_operation_ctx ctx = { interruptible, false }; int ret;
if (vbo->pin_count > 0)