[PATCH 1/4] SWDEV-227605 - Virtual display need to support multiple ctrcs

[Liu, Monk]

Reviewed-by: Monk Liu < monk.liu at amd.com>

_____________________________________
Monk Liu|GPU Virtualization Team |AMD


-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Emily Deng
Sent: Wednesday, March 25, 2020 4:25 PM
To: amd-gfx at lists.freedesktop.org
Cc: Deng, Emily <Emily.Deng at amd.com>
Subject: [PATCH 1/4] SWDEV-227605 - Virtual display need to support multiple ctrcs

The crtc num is determined by virtual_display parameter.

Signed-off-by: Emily Deng <Emily.Deng at amd.com>
---
 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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