This is a note to let you know that I've just added the patch titled drm/mediatek: fix mtk_hdmi_setup_vendor_specific_infoframe mistake to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-mediatek-fix-mtk_hdmi_setup_vendor_specific_infoframe-mistake.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 014580ffab654bb83256783a2b185cf6c06dffaa Mon Sep 17 00:00:00 2001 From: YYS <nickey.yang@xxxxxxxxxxxxxx> Date: Tue, 21 Mar 2017 16:27:03 +0800 Subject: drm/mediatek: fix mtk_hdmi_setup_vendor_specific_infoframe mistake From: YYS <nickey.yang@xxxxxxxxxxxxxx> commit 014580ffab654bb83256783a2b185cf6c06dffaa upstream. mtk_hdmi_setup_vendor_specific_infoframe will return before handle mtk_hdmi_hw_send_info_frame.Because hdmi_vendor_infoframe_pack returns the number of bytes packed into the binary buffer or a negative error code on failure. So correct it. Fixes: 8f83f26891e1 ("drm/mediatek: Add HDMI support") Signed-off-by: Nickey Yang <nickey.yang@xxxxxxxxxxxxxx> Signed-off-by: CK Hu <ck.hu@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1061,7 +1061,7 @@ static int mtk_hdmi_setup_vendor_specifi } err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer)); - if (err) { + if (err < 0) { dev_err(hdmi->dev, "Failed to pack vendor infoframe: %zd\n", err); return err; Patches currently in stable-queue which might be from nickey.yang@xxxxxxxxxxxxxx are queue-4.9/drm-mediatek-fix-mtk_hdmi_setup_vendor_specific_infoframe-mistake.patch