diff options
| -rw-r--r-- | virtio-gpu.tex | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/virtio-gpu.tex b/virtio-gpu.tex index af4ca61..15dbf9f 100644 --- a/virtio-gpu.tex +++ b/virtio-gpu.tex @@ -70,16 +70,21 @@ struct virtio_gpu_config { \begin{description} \item[VIRTIO_GPU_EVENT_DISPLAY] Display configuration has changed. The driver SHOULD use the VIRTIO_GPU_CMD_GET_DISPLAY_INFO command to - fetch the information from the device. + fetch the information from the device. In case EDID support is + negotiated (VIRTIO_GPU_F_EDID feature flag) the device SHOULD also + fetch the updated EDID blobs using the VIRTIO_GPU_CMD_GET_EDID + command. \end{description} \devicenormative{\subsection}{Device Initialization}{Device Types / GPU Device / Device Initialization} The driver SHOULD query the display information from the device using the VIRTIO_GPU_CMD_GET_DISPLAY_INFO command and use that information -for the initial scanout setup. In case no information is available or -all displays are disabled the driver MAY choose to use a fallback, -such as 1024x768 at display 0. +for the initial scanout setup. In case EDID support is negotiated +(VIRTIO_GPU_F_EDID feature flag) the device SHOULD also fetch the EDID +information using the VIRTIO_GPU_CMD_GET_EDID command. If no +information is available or all displays are disabled the driver MAY +choose to use a fallback, such as 1024x768 at display 0. \subsection{Device Operation}\label{sec:Device Types / GPU Device / Device Operation} |