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| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2022-12-07 14:53:16 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2023-01-09 17:21:31 +0300 |
| commit | 868bc9994c0c6b229989623c7614f15853bf16b5 (patch) | |
| tree | 4a350c67370dff8a28e9c8654087f3005d45dca0 /drivers/gpu/drm/vc4/vc4_plane.c | |
| parent | 87551ec650bb87d35f1b29bba6a2430896e08da0 (diff) | |
| download | linux-868bc9994c0c6b229989623c7614f15853bf16b5.tar.xz | |
drm/vc4: hvs: Support zpos on all planes
Adds the zpos property to all planes, and creates the dlist
by placing the fragments in the correct order based on zpos.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20221207-rpi-hvs-crtc-misc-v1-5-1f8e0770798b@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_plane.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_plane.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 8b92a45a3c89..c212f8c10388 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -1568,9 +1568,14 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE); + if (type == DRM_PLANE_TYPE_PRIMARY) + drm_plane_create_zpos_immutable_property(plane, 0); + return plane; } +#define VC4_NUM_OVERLAY_PLANES 16 + int vc4_plane_create_additional_planes(struct drm_device *drm) { struct drm_plane *cursor_plane; @@ -1586,24 +1591,35 @@ int vc4_plane_create_additional_planes(struct drm_device *drm) * modest number of planes to expose, that should hopefully * still cover any sane usecase. */ - for (i = 0; i < 16; i++) { + for (i = 0; i < VC4_NUM_OVERLAY_PLANES; i++) { struct drm_plane *plane = vc4_plane_init(drm, DRM_PLANE_TYPE_OVERLAY, GENMASK(drm->mode_config.num_crtc - 1, 0)); if (IS_ERR(plane)) continue; + + /* Create zpos property. Max of all the overlays + 1 primary + + * 1 cursor plane on a crtc. + */ + drm_plane_create_zpos_property(plane, i + 1, 1, + VC4_NUM_OVERLAY_PLANES + 1); } drm_for_each_crtc(crtc, drm) { /* Set up the legacy cursor after overlay initialization, - * since we overlay planes on the CRTC in the order they were - * initialized. + * since the zpos fallback is that planes are rendered by plane + * ID order, and that then puts the cursor on top. */ cursor_plane = vc4_plane_init(drm, DRM_PLANE_TYPE_CURSOR, drm_crtc_mask(crtc)); if (!IS_ERR(cursor_plane)) { crtc->cursor = cursor_plane; + + drm_plane_create_zpos_property(cursor_plane, + VC4_NUM_OVERLAY_PLANES + 1, + 1, + VC4_NUM_OVERLAY_PLANES + 1); } } |