[PATCH i-g-t v1 1/3] drm-uapi/xe_drm: Read flat ccs value from drm_xe_query_config

Zbigniew Kempczyński zbigniew.kempczynski at intel.com
Tue Mar 26 05:19:37 UTC 2024


On Tue, Mar 26, 2024 at 02:54:36AM -0700, Akshata Jahagirdar wrote:
> Add an additional drm_xe_query_config_flag for reading the value
> of flat_ccs of the platform.
> This can be used in respective igt testcases.
> 
> Signed-off-by: Akshata Jahagirdar <akshata.jahagirdar at intel.com>
> ---
>  include/drm-uapi/xe_drm.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/include/drm-uapi/xe_drm.h b/include/drm-uapi/xe_drm.h
> index 4353595a4..b43c8cf76 100644
> --- a/include/drm-uapi/xe_drm.h
> +++ b/include/drm-uapi/xe_drm.h
> @@ -389,6 +389,8 @@ struct drm_xe_query_mem_regions {
>   *
>   *    - %DRM_XE_QUERY_CONFIG_FLAG_HAS_VRAM - Flag is set if the device
>   *      has usable VRAM
> + *    - %DRM_XE_QUERY_CONFIG_FLAG_HAS_FLAT_CCS - Flag is set if the device
> + *      has flat ccs enabled
>   *  - %DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT - Minimal memory alignment
>   *    required by this device, typically SZ_4K or SZ_64K
>   *  - %DRM_XE_QUERY_CONFIG_VA_BITS - Maximum bits of a virtual address
> @@ -405,6 +407,7 @@ struct drm_xe_query_config {
>  #define DRM_XE_QUERY_CONFIG_REV_AND_DEVICE_ID	0
>  #define DRM_XE_QUERY_CONFIG_FLAGS			1
>  	#define DRM_XE_QUERY_CONFIG_FLAG_HAS_VRAM	(1 << 0)
> +	#define DRM_XE_QUERY_CONFIG_FLAG_HAS_FLAT_CCS	(1 << 1)

May you point me out which kernel patch includes this flag into
xe_query.c?

--
Zbigniew

>  #define DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT		2
>  #define DRM_XE_QUERY_CONFIG_VA_BITS			3
>  #define DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY	4
> -- 
> 2.34.1
> 


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