From: "Nícolas F. R. A. Prado" <[email protected]> Add a new cap that drivers can set to signal they support CRTC (a.k.a. post-blend) color pipelines.
Signed-off-by: Nícolas F. R. A. Prado <[email protected]> Co-developed-by: Ariel D'Alessandro <[email protected]> Signed-off-by: Ariel D'Alessandro <[email protected]> Reviewed-by: Louis Chauvet <[email protected]> --- drivers/gpu/drm/drm_ioctl.c | 3 +++ include/drm/drm_drv.h | 6 ++++++ include/uapi/drm/drm.h | 6 ++++++ 3 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index ff193155129e7..2884075660ddd 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -304,6 +304,9 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_ req->value = drm_core_check_feature(dev, DRIVER_ATOMIC) && dev->mode_config.async_page_flip; break; + case DRM_CAP_CRTC_COLOR_PIPELINE: + req->value = drm_core_check_feature(dev, DRIVER_CRTC_COLOR_PIPELINE); + break; default: return -EINVAL; } diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 42fc085f986de..2a57c50b4223e 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -122,6 +122,12 @@ enum drm_driver_feature { * the cursor planes to work correctly). */ DRIVER_CURSOR_HOTSPOT = BIT(9), + /** + * @DRIVER_CRTC_COLOR_PIPELINE: + * + * Driver supports CRTC (post-blend) color pipeline. + */ + DRIVER_CRTC_COLOR_PIPELINE = BIT(10), /* IMPORTANT: Below are all the legacy flags, add new ones above. */ diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index 27cc159c1d275..d726828bdf408 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -812,6 +812,12 @@ struct drm_gem_change_handle { * commits. */ #define DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP 0x15 +/** + * DRM_CAP_CRTC_COLOR_PIPELINE + * + * If set to 1, the driver supports CRTC (post-blend) color pipelines. + */ +#define DRM_CAP_CRTC_COLOR_PIPELINE 0x16 /* DRM_IOCTL_GET_CAP ioctl argument type */ struct drm_get_cap { -- 2.51.0
