From 9f8e1c93a0d459463819d8bd222196b2655c279f 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 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(+) diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index 8be8c6dd9b35..fb35c5c3f1a7 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -104,6 +104,9 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data, 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; diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h index 87fc5bb0a61e..2376c73abca1 100644 --- 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 {