Add the following properties for planes: * alpha * pixel blend mode. Only "Pre-multiplied" and "Coverage" are supported

Signed-off-by: Jean-Jacques Hiblot 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;