From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 19 Jun 2017 17:00:38 -0400
Subject: drm/amdgpu: disable vga render in dce hw_init
Git-commit: 84b5d3d10d6c7b8ff53e756217405a535691ff7d
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

This got dropped accidently with the fb location changes, but for
some reason, this doesn't seem to cause an issue on all cards which
is why I never saw it despite extensive testing.  I suspect it may
only be an issue on systems with a legacy sbios that enables vga.

Tested-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/dce_v10_0.c |    2 ++
 drivers/gpu/drm/amd/amdgpu/dce_v11_0.c |    2 ++
 drivers/gpu/drm/amd/amdgpu/dce_v6_0.c  |    2 ++
 drivers/gpu/drm/amd/amdgpu/dce_v8_0.c  |    2 ++
 4 files changed, 8 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -3012,6 +3012,8 @@ static int dce_v10_0_hw_init(void *handl
 
 	dce_v10_0_init_golden_registers(adev);
 
+	/* disable vga render */
+	dce_v10_0_set_vga_render_state(adev, false);
 	/* init dig PHYs, disp eng pll */
 	amdgpu_atombios_encoder_init_dig(adev);
 	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -3073,6 +3073,8 @@ static int dce_v11_0_hw_init(void *handl
 
 	dce_v11_0_init_golden_registers(adev);
 
+	/* disable vga render */
+	dce_v11_0_set_vga_render_state(adev, false);
 	/* init dig PHYs, disp eng pll */
 	amdgpu_atombios_crtc_powergate_init(adev);
 	amdgpu_atombios_encoder_init_dig(adev);
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2860,6 +2860,8 @@ static int dce_v6_0_hw_init(void *handle
 	int i;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	/* disable vga render */
+	dce_v6_0_set_vga_render_state(adev, false);
 	/* init dig PHYs, disp eng pll */
 	amdgpu_atombios_encoder_init_dig(adev);
 	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2857,6 +2857,8 @@ static int dce_v8_0_hw_init(void *handle
 	int i;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	/* disable vga render */
+	dce_v8_0_set_vga_render_state(adev, false);
 	/* init dig PHYs, disp eng pll */
 	amdgpu_atombios_encoder_init_dig(adev);
 	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);