[PATCH v2 1/2] drm/virtio: introduce the HOST_PAGE_SIZE feature

Dmitry Osipenko dmitry.osipenko at collabora.com
Thu Apr 3 16:49:41 UTC 2025


On 4/2/25 20:55, Dmitry Osipenko wrote:
> On 4/2/25 20:46, Sergio Lopez wrote:
>> diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h
>> index bf2c9cabd20793e3851e749baadf210341445501..adc264df4e458e9c754936c3015c069e5ee6b899 100644
>> --- a/include/uapi/linux/virtio_gpu.h
>> +++ b/include/uapi/linux/virtio_gpu.h
>> @@ -64,6 +64,10 @@
>>   * context_init and multiple timelines
>>   */
>>  #define VIRTIO_GPU_F_CONTEXT_INIT        4
>> +/*
>> + * Config struct contains host page size
>> + */
>> +#define VIRTIO_GPU_F_HOST_PAGE_SIZE      5
>>  
>>  enum virtio_gpu_ctrl_type {
>>  	VIRTIO_GPU_UNDEFINED = 0,
>> @@ -364,6 +368,7 @@ struct virtio_gpu_config {
>>  	__le32 events_clear;
>>  	__le32 num_scanouts;
>>  	__le32 num_capsets;
>> +	__le32 host_page_size;
>>  };
> 
> Hi, this is still a spec change and the virtio-gpu spec update is need.
> Please send the spec patch, I'd want to see that it won't have new
> objections before merging the kernel patches.

Noticed the virtio-spec patch now. My bad for missing it a day ago,
thanks for sending it!

-- 
Best regards,
Dmitry


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