diff options
| author | Louis Chauvet <louis.chauvet@bootlin.com> | 2025-10-16 19:56:11 +0200 |
|---|---|---|
| committer | Luca Ceresoli <luca.ceresoli@bootlin.com> | 2025-10-22 13:19:25 +0200 |
| commit | fad1138b2377aa094b1c80fad852eadbcf3a85c3 (patch) | |
| tree | d303e08bccdb67db08981b46751a704816236764 /Documentation/gpu | |
| parent | 67d8cf92e13ec05e64745ae7b63545de5d8e867a (diff) | |
drm/vkms: Allow to attach encoders and CRTCs via configfs
Create a default subgroup at
/config/vkms/encoders/encoder/possible_crtcs that will contain symbolic
links to the possible CRTCs for the encoder.
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/20251016175618.10051-10-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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst index 622fbfa12a84..585effe90550 100644 --- a/Documentation/gpu/vkms.rst +++ b/Documentation/gpu/vkms.rst @@ -106,6 +106,7 @@ Next, create one or more encoders:: To finish the configuration, link the different pipeline items:: sudo ln -s /config/vkms/my-vkms/crtcs/crtc0 /config/vkms/my-vkms/planes/plane0/possible_crtcs + sudo ln -s /config/vkms/my-vkms/crtcs/crtc0 /config/vkms/my-vkms/encoders/encoder0/possible_crtcs Since at least one primary plane is required, make sure to set the right type:: @@ -122,6 +123,7 @@ Finally, you can remove the VKMS instance disabling it:: And removing the top level directory and its subdirectories:: sudo rm /config/vkms/my-vkms/planes/*/possible_crtcs/* + sudo rm /config/vkms/my-vkms/encoders/*/possible_crtcs/* sudo rmdir /config/vkms/my-vkms/planes/* sudo rmdir /config/vkms/my-vkms/crtcs/* sudo rmdir /config/vkms/my-vkms/encoders/* |