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| author | Louis Chauvet <louis.chauvet@bootlin.com> | 2025-10-16 19:56:08 +0200 |
|---|---|---|
| committer | Luca Ceresoli <luca.ceresoli@bootlin.com> | 2025-10-22 13:19:25 +0200 |
| commit | ee5c2c7d4bb6998ff11778436acbdc3154ce74ef (patch) | |
| tree | bc7111c0c8e6699c97d20f48d36c27e6e84ff1d0 /Documentation/gpu | |
| parent | 3e4d5b30d2b262c6db84773cafe9097f7ec61ff5 (diff) | |
| download | linux-ee5c2c7d4bb6998ff11778436acbdc3154ce74ef.tar.gz linux-ee5c2c7d4bb6998ff11778436acbdc3154ce74ef.tar.bz2 linux-ee5c2c7d4bb6998ff11778436acbdc3154ce74ef.zip | |
drm/vkms: Allow to configure CRTC writeback support via configfs
When a CRTC is created, add a `writeback` file to allow to enable or
disable writeback connector support
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/20251016175618.10051-7-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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst index 7396447b5e58..9f76918bb1d1 100644 --- a/Documentation/gpu/vkms.rst +++ b/Documentation/gpu/vkms.rst @@ -94,6 +94,10 @@ Continue by creating one or more CRTCs:: sudo mkdir /config/vkms/my-vkms/crtcs/crtc0 +CRTCs have 1 configurable attribute: + +- writeback: Enable or disable writeback connector support by writing 1 or 0 + Once you are done configuring the VKMS instance, enable it:: echo "1" | sudo tee /config/vkms/my-vkms/enabled |