From 0408b200be60ec5172ca9978c402a9bb6cb854ea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ma=C3=ADra=20Canal?= Date: Mon, 23 Sep 2024 10:55:15 -0300 Subject: [PATCH] drm/v3d: Expose Super Pages capability MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Commit 9f8e1c93a0d459463819d8bd222196b2655c279f upstream Add a new V3D parameter to expose the support of Super Pages to userspace. The userspace might want to know this information to apply optimizations that are specific to kernels with Super Pages enabled. Signed-off-by: Maíra Canal Reviewed-by: Iago Toral Quiroga Link: https://patchwork.freedesktop.org/patch/msgid/20240923141348.2422499-12-mcanal@igalia.com --- drivers/gpu/drm/v3d/v3d_drv.c | 3 +++ include/uapi/drm/v3d_drm.h | 1 + 2 files changed, 4 insertions(+) --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -108,6 +108,9 @@ static int v3d_get_param_ioctl(struct dr case DRM_V3D_PARAM_MAX_PERF_COUNTERS: args->value = v3d->perfmon_info.max_counters; return 0; + case DRM_V3D_PARAM_SUPPORTS_SUPER_PAGES: + args->value = !!v3d->gemfs; + return 0; default: DRM_DEBUG("Unknown parameter %d\n", args->param); return -EINVAL; --- a/include/uapi/drm/v3d_drm.h +++ b/include/uapi/drm/v3d_drm.h @@ -290,6 +290,7 @@ enum drm_v3d_param { DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT, DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE, DRM_V3D_PARAM_MAX_PERF_COUNTERS, + DRM_V3D_PARAM_SUPPORTS_SUPER_PAGES, }; struct drm_v3d_get_param {