diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-07-17 10:44:33 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-10-21 18:52:38 +0300 |
| commit | 090425c45db3ec438c161f6a5dd05d1824e65dcd (patch) | |
| tree | b3f13b29bfa5c55c434679ef3e3819924eea948b /drivers/gpu/drm/rcar-du/rcar_du_group.c | |
| parent | f1ceb84ae0fba02dcb5aa0ff56b5546767376795 (diff) | |
| download | linux-090425c45db3ec438c161f6a5dd05d1824e65dcd.tar.xz | |
drm: rcar-du: Add support for the R8A7794 DU
The R8A7794 DU has a fixed output routing configuration with one RGB
output per CRTC and thus lacks the RGB output routing register field.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_group.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_group.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index 7fd39a7d91c8..8e2ffe025153 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -49,9 +49,10 @@ static void rcar_du_group_setup_defr8(struct rcar_du_group *rgrp) u32 defr8 = DEFR8_CODE | DEFR8_DEFE8; /* The DEFR8 register for the first group also controls RGB output - * routing to DPAD0 + * routing to DPAD0 for DU instances that support it. */ - if (rgrp->index == 0) + if (rgrp->dev->info->routes[RCAR_DU_OUTPUT_DPAD0].possible_crtcs > 1 && + rgrp->index == 0) defr8 |= DEFR8_DRGBS_DU(rgrp->dev->dpad0_source); rcar_du_group_write(rgrp, DEFR8, defr8); |