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

[Alex Deucher]

Please fix the subject to be "drm/amdgpu: " rather than SWDEV-

Alex

On Wed, Mar 25, 2020 at 4:24 AM Emily Deng  wrote:
>
> The crtc num is determined by virtual_display parameter.
>
> Signed-off-by: Emily Deng 
> ---
>  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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RE: [PATCH 1/4] SWDEV-227605 - Virtual display need to support multiple ctrcs

[Liu, Monk]

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

_
Monk Liu|GPU Virtualization Team |AMD


-Original Message-
From: amd-gfx  On Behalf Of Emily Deng
Sent: Wednesday, March 25, 2020 4:25 PM
To: amd-gfx@lists.freedesktop.org
Cc: Deng, Emily 
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 
---
 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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