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 | |
| 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')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_group.c | 5 |
2 files changed, 26 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index d8e1fd93908f..40422f6b645e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -107,11 +107,34 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = { .num_lvds = 1, }; +static const struct rcar_du_device_info rcar_du_r8a7794_info = { + .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + | RCAR_DU_FEATURE_EXT_CTRL_REGS, + .num_crtcs = 2, + .routes = { + /* R8A7794 has two RGB outputs and one (currently unsupported) + * TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_DPAD1] = { + .possible_crtcs = BIT(1), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 1, + }, + }, + .num_lvds = 0, +}; + static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info }, { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info }, { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info }, { .compatible = "renesas,du-r8a7793", .data = &rcar_du_r8a7791_info }, + { .compatible = "renesas,du-r8a7794", .data = &rcar_du_r8a7794_info }, { } }; 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); |