From 02f6efb47856cd239a9e4104e26a41ec61887bb0 Mon Sep 17 00:00:00 2001 From: Emily Deng Date: Wed, 25 Mar 2020 19:01:58 +0800 Subject: [PATCH] drm/amdgpu: Virtual display need to support multiple ctrcs The crtc num is determined by virtual_display parameter. Signed-off-by: Emily Deng Reviewed-by: Monk Liu Signed-off-by: Alex Deucher --- 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 43a1ee3327274..d791bfe5ae68d 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; -- 2.30.2