[PATCH 5/5] drm/exynos: Add plane support with fimd
robdclark at gmail.com
Mon Dec 12 13:59:02 PST 2011
On Fri, Dec 9, 2011 at 4:59 AM, Inki Dae <inki.dae at samsung.com> wrote:
> From: Joonyoung Shim <jy0922.shim at samsung.com>
> The exynos fimd supports 5 window overlays. Only one window overlay of
> fimd is used by the crtc, so we need plane feature to use the rest
> window overlays.
> This creates one ioctl exynos specific - DRM_EXYNOS_PLANE_SET_ZPOS, it
> is the ioctl to decide for user to assign which window overlay.
btw, I think I will end up with a similar ioctl.. so thought I'd
double check for consistency, is zorder interpreted from back to front
or front to back? Ie. higher numeric value in front or behind of
lower numeric value? Are negative values permitted?
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