File 0103-drm-mediatek-fix-mtk_hdmi_setup_vendor_spe... of Package drm.7971

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File 0103-drm-mediatek-fix-mtk_hdmi_setup_vendor_specific_info.patch of Package drm.7971

From 5899b635ecc7a8c4ae5007f2e74250ec4297feba Mon Sep 17 00:00:00 2001
From: YYS <nickey.yang@rock-chips.com>
Date: Tue, 21 Mar 2017 16:27:03 +0800
Subject: [PATCH] drm/mediatek: fix mtk_hdmi_setup_vendor_specific_infoframe mistake
Git-commit: 014580ffab654bb83256783a2b185cf6c06dffaa
Patch-mainline: 4.12-rc5
References: bsc#1041744

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@rock-chips.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 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;

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File 0103-drm-mediatek-fix-mtk_hdmi_setup_vendor_specific_info.patch of Package drm.7971

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