From 3037e0c5e8af377c33f264f2e146d8b3b82bcb1b Mon Sep 17 00:00:00 2001 From: Jean-Jacques Hiblot Date: Thu, 11 Jul 2019 15:52:19 +0200 Subject: [PATCH] drm/omap: Add 'alpha' and 'pixel blend mode' plane properties Add the following properties for planes: * alpha * pixel blend mode. Only "Pre-multiplied" and "Coverage" are supported Signed-off-by: Jean-Jacques Hiblot Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20190711135219.23402-1-jjhiblot@ti.com --- drivers/gpu/drm/omapdrm/omap_plane.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c index 84e1be981cfe..73ec99819a3d 100644 --- a/drivers/gpu/drm/omapdrm/omap_plane.c +++ b/drivers/gpu/drm/omapdrm/omap_plane.c @@ -53,8 +53,12 @@ static void omap_plane_atomic_update(struct drm_plane *plane, memset(&info, 0, sizeof(info)); info.rotation_type = OMAP_DSS_ROT_NONE; info.rotation = DRM_MODE_ROTATE_0; - info.global_alpha = 0xff; + info.global_alpha = state->alpha >> 8; info.zorder = state->normalized_zpos; + if (state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI) + info.pre_mult_alpha = 1; + else + info.pre_mult_alpha = 0; /* update scanout: */ omap_framebuffer_update_scanout(state->fb, state, &info); @@ -285,6 +289,9 @@ struct drm_plane *omap_plane_init(struct drm_device *dev, omap_plane_install_properties(plane, &plane->base); drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1); + drm_plane_create_alpha_property(plane); + drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE)); return plane; -- 2.30.2