drm/amdgpu: disable vga render in dce hw_init

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 9f78c03..9bda363 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -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);

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 4bcf01d..c02c7fb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -3086,6 +3086,8 @@ static int dce_v11_0_hw_init(void *handle)
 
        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);

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index fd134a4..0a8ad0f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2873,6 +2873,8 @@ 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);

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index a9e8695..7e06c36 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2870,6 +2870,8 @@ 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);