Re: [PATCH i-g-t 01/10] lib/xe: Move lib/intel_wa to lib/xe/xe_wa

Matt Roper <[email protected]> Wed, 29 Jul 2026 14:04:27 -0700
Newsgroups org.freedesktop.lists.igt-dev
Message-ID <[email protected]>
On Tue, Jul 21, 2026 at 03:59:54PM -0300, Gustavo Sousa wrote:
> The functionality provided by intel_wa is specific devices managed by
> the xe driver, so move that module to belong to the lib/xe folder.
> 
> While at it, change the function signature to match the adopted
> standard for lib/xe (used xe_query.h as example).
> 
> Signed-off-by: Gustavo Sousa <[email protected]>
> ---
>  lib/intel_wa.h                 | 11 -----------
>  lib/meson.build                |  2 +-
>  lib/{intel_wa.c => xe/xe_wa.c} | 21 +++++++++++----------
>  lib/xe/xe_wa.h                 | 11 +++++++++++
>  tests/intel/xe_oa.c            |  4 ++--
>  5 files changed, 25 insertions(+), 24 deletions(-)
> 
> diff --git a/lib/intel_wa.h b/lib/intel_wa.h
> deleted file mode 100644
> index 765a5948ef88..000000000000
> --- a/lib/intel_wa.h
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -/* SPDX-License-Identifier: MIT */
> -/*
> - * Copyright © 2025 Intel Corporation
> - */
> -
> -#ifndef __INTEL_WA_H__
> -#define __INTEL_WA_H__
> -
> -int igt_has_intel_wa(int drm_fd, const char *check_wa);
> -
> -#endif /* __INTEL_WA_H__ */
> diff --git a/lib/meson.build b/lib/meson.build
> index 8db9fffdecec..b31936d6c3fd 100644
> --- a/lib/meson.build
> +++ b/lib/meson.build
> @@ -93,7 +93,6 @@ lib_sources = [
>  	'intel_aux_pgtable.c',
>  	'intel_reg_map.c',
>  	'intel_iosf.c',
> -        'intel_wa.c',
>  	'igt_kms.c',
>  	'igt_fb.c',
>  	'igt_core.c',
> @@ -135,6 +134,7 @@ lib_sources = [
>  	'xe/xe_sriov_debugfs.c',
>  	'xe/xe_sriov_provisioning.c',
>  	'xe/xe_util.c',
> +	'xe/xe_wa.c',
>  
>  	# Vendored libraries:
>  	'vendor/uwildmat/uwildmat.c',
> diff --git a/lib/intel_wa.c b/lib/xe/xe_wa.c
> similarity index 66%
> rename from lib/intel_wa.c
> rename to lib/xe/xe_wa.c
> index 727dd6c988df..ff5daf529831 100644
> --- a/lib/intel_wa.c
> +++ b/lib/xe/xe_wa.c
> @@ -9,7 +9,8 @@
>  
>  #include "igt_debugfs.h"
>  #include "igt_sysfs.h"
> -#include "intel_wa.h"
> +
> +#include "xe/xe_wa.h"
>  #include "xe/xe_query.h"

Nitpick:  These aren't sorted.

>  
>  static int debugfs_file_has_wa(int drm_fd, int debugfs_fd,
> @@ -34,32 +35,32 @@ static int debugfs_file_has_wa(int drm_fd, int debugfs_fd,
>  }
>  
>  /**
> - * igt_has_intel_wa:
> - * @drm_fd:	A drm file descriptor
> - * @check_wa:	Workaround to be checked
> + * xe_wa: Check if a workaround is enabled for the device.
> + * @fd: A drm file descriptor.
> + * @wa: Name of the workaround to be checked.
>   *
> - * Returns:	0 if no WA, 1 if WA present, -1 on error
> + * Returns 1 if enabled, 0 if disabled, -1 on error.
>   */
> -int igt_has_intel_wa(int drm_fd, const char *check_wa)
> +int xe_wa(int fd, const char *wa)
>  {
>  	int ret = 0;
>  	int debugfs_fd;
>  	unsigned int xe;
>  	char name[256];
>  
> -	debugfs_fd = igt_debugfs_dir(drm_fd);
> +	debugfs_fd = igt_debugfs_dir(fd);
>  	if (debugfs_fd == -1)
>  		return -1;
>  
> -	xe_for_each_gt(drm_fd, xe) {
> +	xe_for_each_gt(fd, xe) {
>  		sprintf(name, "gt%d/workarounds", xe);
> -		ret = debugfs_file_has_wa(drm_fd, debugfs_fd, name, check_wa);
> +		ret = debugfs_file_has_wa(fd, debugfs_fd, name, wa);
>  		if (ret)
>  			break;
>  	}
>  
>  	if (!ret)
> -		ret = debugfs_file_has_wa(drm_fd, debugfs_fd, "workarounds", check_wa);
> +		ret = debugfs_file_has_wa(fd, debugfs_fd, "workarounds", wa);
>  
>  	close(debugfs_fd);
>  	return ret;
> diff --git a/lib/xe/xe_wa.h b/lib/xe/xe_wa.h
> new file mode 100644
> index 000000000000..4ff897196545
> --- /dev/null
> +++ b/lib/xe/xe_wa.h
> @@ -0,0 +1,11 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * Copyright © 2025 Intel Corporation

Nitpick:  This should say 2026.


Aside from those two minor things,

Reviewed-by: Matt Roper <[email protected]>


Matt

> + */
> +
> +#ifndef XE_WA_H
> +#define XE_WA_H
> +
> +int xe_wa(int fd, const char *wa);
> +
> +#endif /* XE_WA_H */
> diff --git a/tests/intel/xe_oa.c b/tests/intel/xe_oa.c
> index 68c7537d3888..fcf1d71a167f 100644
> --- a/tests/intel/xe_oa.c
> +++ b/tests/intel/xe_oa.c
> @@ -24,10 +24,10 @@
>  #include "igt_device.h"
>  #include "igt_syncobj.h"
>  #include "igt_sysfs.h"
> -#include "intel_wa.h"
>  #include "xe/xe_ioctl.h"
>  #include "xe/xe_query.h"
>  #include "xe/xe_oa.h"
> +#include "xe/xe_wa.h"
>  
>  /**
>   * TEST: perf
> @@ -2678,7 +2678,7 @@ test_non_zero_reason(const struct drm_xe_oa_unit *oau, size_t oa_buffer_size)
>  	 * can result in buffer overflows.
>  	 */
>  	if (oau->oa_unit_type == DRM_XE_OA_UNIT_TYPE_MERT &&
> -		igt_has_intel_wa(drm_fd, "14026633728") > 0) {
> +	    xe_wa(drm_fd, "14026633728") > 0) {
>  		oa_exponent = max(oa_exponent, 8);
>  		properties[9] = oa_exponent;
>  	}
> 
> -- 
> 2.55.0
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation