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drm/amdgpu: disable vga render in dce hw_init

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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>
This commit is contained in:
Alex Deucher
2017-06-19 17:00:38 -04:00
parent dd0792c1be
commit 84b5d3d10d
4 changed files with 8 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
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@@ -3025,6 +3025,8 @@ static int dce_v10_0_hw_init(void *handle)
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);