From 32a4eb04d59ae8d5bb5baa5a8528e31094ae8e84 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 10 Jun 2021 13:12:34 +0200 Subject: drm/fourcc: Add macros to determine the modifier vendor When working with framebuffer modifiers, it can be useful to extract the vendor identifier or check a modifier against a given vendor identifier. Add one macro that extracts the vendor identifier and a helper to check a modifier against a given vendor identifier. Reviewed-by: Daniel Vetter Acked-by: Daniel Stone Signed-off-by: Thierry Reding Link: https://patchwork.freedesktop.org/patch/msgid/20210610111236.3814211-1-thierry.reding@gmail.com --- include/uapi/drm/drm_fourcc.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/uapi') diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 9f4bb4a6f358..45a914850be0 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -373,6 +373,12 @@ extern "C" { #define DRM_FORMAT_RESERVED ((1ULL << 56) - 1) +#define fourcc_mod_get_vendor(modifier) \ + (((modifier) >> 56) & 0xff) + +#define fourcc_mod_is_vendor(modifier, vendor) \ + (fourcc_mod_get_vendor(modifier) == DRM_FORMAT_MOD_VENDOR_## vendor) + #define fourcc_mod_code(vendor, val) \ ((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL)) -- cgit v1.2.3 From 353be7c2328ccba0add424d015ef51ddf423e202 Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Fri, 3 Sep 2021 13:00:16 +0000 Subject: drm: document drm_mode_create_lease object requirements validate_lease expects one CRTC, one connector and one plane. Signed-off-by: Simon Ser Cc: Daniel Vetter Cc: Pekka Paalanen Cc: Keith Packard Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20210903130000.1590-1-contact@emersion.fr --- include/uapi/drm/drm_mode.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/uapi') diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 90c55383f1ee..e4a2570a6058 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -1110,6 +1110,9 @@ struct drm_mode_destroy_blob { * struct drm_mode_create_lease - Create lease * * Lease mode resources, creating another drm_master. + * + * The @object_ids array must reference at least one CRTC, one connector and + * one plane if &DRM_CLIENT_CAP_UNIVERSAL_PLANES is enabled. */ struct drm_mode_create_lease { /** @object_ids: Pointer to array of object ids (__u32) */ -- cgit v1.2.3