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| author | Louis Chauvet <louis.chauvet@bootlin.com> | 2025-10-16 19:56:07 +0200 |
|---|---|---|
| committer | Luca Ceresoli <luca.ceresoli@bootlin.com> | 2025-10-22 13:19:25 +0200 |
| commit | 3e4d5b30d2b262c6db84773cafe9097f7ec61ff5 (patch) | |
| tree | 5d534ba24a29787b343fafd55c7d109754b96ffa /Documentation/gpu | |
| parent | 187bc30625f3e0ee8d0b3694592c4b8ff771c845 (diff) | |
| download | linux-3e4d5b30d2b262c6db84773cafe9097f7ec61ff5.tar.gz linux-3e4d5b30d2b262c6db84773cafe9097f7ec61ff5.tar.bz2 linux-3e4d5b30d2b262c6db84773cafe9097f7ec61ff5.zip | |
drm/vkms: Allow to configure multiple CRTCs via configfs
Create a default subgroup at /config/vkms/crtcs to allow to create as
many CRTCs as required.
Tested-by: Mark Yacoub <markyacoub@google.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
Co-developed-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: https://lore.kernel.org/r/20251016175618.10051-6-jose.exposito89@gmail.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/vkms.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst index dd880ce6811c..7396447b5e58 100644 --- a/Documentation/gpu/vkms.rst +++ b/Documentation/gpu/vkms.rst @@ -74,6 +74,7 @@ By default, the instance is disabled:: And directories are created for each configurable item of the display pipeline:: tree /config/vkms/my-vkms + ├── crtcs ├── enabled └── planes @@ -89,6 +90,10 @@ Planes have 1 configurable attribute: - type: Plane type: 0 overlay, 1 primary, 2 cursor (same values as those exposed by the "type" property of a plane) +Continue by creating one or more CRTCs:: + + sudo mkdir /config/vkms/my-vkms/crtcs/crtc0 + Once you are done configuring the VKMS instance, enable it:: echo "1" | sudo tee /config/vkms/my-vkms/enabled @@ -100,6 +105,7 @@ Finally, you can remove the VKMS instance disabling it:: And removing the top level directory and its subdirectories:: sudo rmdir /config/vkms/my-vkms/planes/* + sudo rmdir /config/vkms/my-vkms/crtcs/* sudo rmdir /config/vkms/my-vkms Testing With IGT |