The crtc num is determined by virtual_display parameter.
Signed-off-by: Emily Deng <Emily.Deng@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 43a1ee3..d791bfe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -38,7 +38,8 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
void amdgpu_virt_init_setting(struct amdgpu_device *adev)
{
/* enable virtual display */
- adev->mode_info.num_crtc = 1;
+ if (adev->mode_info.num_crtc == 0)
+ adev->mode_info.num_crtc = 1;
adev->enable_virtual_display = true;
adev->ddev->driver->driver_features &= ~DRIVER_ATOMIC;
adev->cg_flags = 0;
--
2.7.4
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