In order to be able to dynamically assign overlays to planes we need to be able to asses the overlay capabilities.
Add a helper function to be able to retrieve the supported capabilities of an overlay.
And export the function to check if a fourcc is supported on a given overlay.
Signed-off-by: Benoit Parrot bparrot@ti.com --- drivers/gpu/drm/omapdrm/dss/dispc.c | 8 ++++++++ drivers/gpu/drm/omapdrm/dss/omapdss.h | 4 ++++ 2 files changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 1b7a6ef7897f..80ac1e68a036 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -2508,6 +2508,12 @@ static int dispc_ovl_calc_scaling_44xx(struct dispc_device *dispc, return 0; }
+static enum omap_overlay_caps dispc_ovl_get_caps(struct dispc_device *dispc, + enum omap_plane_id plane) +{ + return dispc->feat->overlay_caps[plane]; +} + #define DIV_FRAC(dividend, divisor) \ ((dividend) * 100 / (divisor) - ((dividend) / (divisor) * 100))
@@ -4777,6 +4783,8 @@ static const struct dispc_ops dispc_ops = { .ovl_enable = dispc_ovl_enable, .ovl_setup = dispc_ovl_setup, .ovl_get_color_modes = dispc_ovl_get_color_modes, + .ovl_color_mode_supported = dispc_ovl_color_mode_supported, + .ovl_get_caps = dispc_ovl_get_caps, .ovl_get_max_size = dispc_ovl_get_max_size,
.wb_get_framedone_irq = dispc_wb_get_framedone_irq, diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 3f264759eecb..01fbd674a021 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -743,6 +743,10 @@ struct dispc_ops {
const u32 *(*ovl_get_color_modes)(struct dispc_device *dispc, enum omap_plane_id plane); + bool (*ovl_color_mode_supported)(struct dispc_device *dispc, + enum omap_plane_id plane, u32 fourcc); + enum omap_overlay_caps (*ovl_get_caps)(struct dispc_device *dispc, + enum omap_plane_id plane); void (*ovl_get_max_size)(struct dispc_device *dispc, u16 *width, u16 *height);