It turns out that even new DW HDMI controllers exhibits same magenta
line issues as older versions.

Enable workaround for v2.12a.

Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Jernej Skrabec <[email protected]>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c 
b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 5971976284bf..df1c7a2d6961 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1664,6 +1664,7 @@ static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi)
        case 0x131a:
        case 0x132a:
        case 0x201a:
+       case 0x212a:
                count = 1;
                break;
        default:
-- 
2.19.1

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