On Mon, Sep 8, 2014 at 4:43 AM, Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx> wrote: > The Atmel HLCDC (HLCD Controller) IP available on some Atmel SoCs (i.e. > at91sam9n12, at91sam9x5 family or sama5d3 family) provides a display > controller device. > > This display controller supports at least one primary plane and might > provide several overlays and an hardware cursor depending on the IP > version. > > At the moment, this driver only implements an RGB connector to interface > with LCD panels, but support for other kind of external devices might be > added later. > > Signed-off-by: Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx> > Tested-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx> A few small comments below, but with those addressed it has my Reviewed-by: Rob Clark <robdclark@xxxxxxxxx> > --- > drivers/gpu/drm/Kconfig | 2 + > drivers/gpu/drm/Makefile | 1 + > drivers/gpu/drm/atmel-hlcdc/Kconfig | 13 + > drivers/gpu/drm/atmel-hlcdc/Makefile | 7 + > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 286 ++++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 488 +++++++++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 224 ++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c | 656 ++++++++++++++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h | 403 +++++++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c | 476 +++++++++++++ > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 836 +++++++++++++++++++++++ > 11 files changed, 3392 insertions(+) > create mode 100644 drivers/gpu/drm/atmel-hlcdc/Kconfig > create mode 100644 drivers/gpu/drm/atmel-hlcdc/Makefile > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.c > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_layer.h > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c > create mode 100644 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c > [snip] > + > +/** > + * Atmel HLCDC plane rotation enum > + * > + * TODO: export DRM_ROTATE_XX macros defined by omap driver and use them > + * instead of defining this enum. > + */ > +enum atmel_hlcdc_plane_rotation { > + ATMEL_HLCDC_PLANE_NO_ROTATION, > + ATMEL_HLCDC_PLANE_90DEG_ROTATION, > + ATMEL_HLCDC_PLANE_180DEG_ROTATION, > + ATMEL_HLCDC_PLANE_270DEG_ROTATION, > +}; DRM_ROTATE_* are already in drm_crtc.h [snip] > +static int atmel_hlcdc_rgb_mode_valid(struct drm_connector *connector, > + struct drm_display_mode *mode) > +{ > + return MODE_OK; > +} your _mode_valid() should perhaps somehow check the constraints in atmel_hlcdc_crtc_mode_set()? This way invalid modes get filtered out earlier.. [snip] > +static struct atmel_hlcdc_plane_properties * > +atmel_hlcdc_plane_create_properties(struct drm_device *dev) > +{ > + struct atmel_hlcdc_plane_properties *props; > + const struct drm_prop_enum_list rotations[] = { > + { ATMEL_HLCDC_PLANE_NO_ROTATION, "rotate-0" }, > + { ATMEL_HLCDC_PLANE_90DEG_ROTATION, "rotate-90" }, > + { ATMEL_HLCDC_PLANE_180DEG_ROTATION, "rotate-180" }, > + { ATMEL_HLCDC_PLANE_270DEG_ROTATION, "rotate-270" }, > + }; > + you could just use drm_mode_create_rotation_property() now > + props = devm_kzalloc(dev->dev, sizeof(*props), GFP_KERNEL); > + if (!props) > + return ERR_PTR(-ENOMEM); > + > + props->alpha = drm_property_create_range(dev, 0, "alpha", 0, 255); > + if (!props->alpha) > + return ERR_PTR(-ENOMEM); > + > + props->rotation = drm_property_create_enum(dev, 0, "rotation", > + rotations, > + ARRAY_SIZE(rotations)); > + return props; > +} > + _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel