[PATCH] drm/amd/display: Correct VGA handoff for DCN1 devices

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Partial revert of 1b0ff66bc0bf1a0559255cb7b066a65d55491974

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 4365906b14ee..7688ed5724b9 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -228,6 +228,9 @@ static void disable_vga(
 		return;
 
 	REG_WRITE(D1VGA_CONTROL, 0);
+	REG_WRITE(D2VGA_CONTROL, 0);
+	REG_WRITE(D3VGA_CONTROL, 0);
+	REG_WRITE(D4VGA_CONTROL, 0);
 
 	/* HW Engineer's Notes:
 	 *  During switch from vga->extended, if we set the VGA_TEST_ENABLE and
-- 
2.14.3



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