diff options
| author | Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> | 2018-08-31 19:12:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-21 09:19:11 +0100 |
| commit | d6a4baf458abc82e72c5bc480e476aa347fb1ecd (patch) | |
| tree | 70849396a3ce757cbffff5b4f98e88a79e799aab /drivers/gpu | |
| parent | 73ad8868960a3bd4271268589cedacc4f178b0e3 (diff) | |
drm: rcar-du: Update Gen3 output limitations
[ Upstream commit 2a3181d9cfd6d5aa48f8527708d0c32072072cef ]
The R-Car Gen3 DU utilises the VSP1 hardware for memory access. The
limits on the RPF and WPF in this pipeline are 8190x8190.
Update the supported maximum sizes accordingly.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index f0bc7cc0e913..fb46df56f0c4 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -516,12 +516,22 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; - dev->mode_config.max_width = 4095; - dev->mode_config.max_height = 2047; dev->mode_config.normalize_zpos = true; dev->mode_config.funcs = &rcar_du_mode_config_funcs; dev->mode_config.helper_private = &rcar_du_mode_config_helper; + if (rcdu->info->gen < 3) { + dev->mode_config.max_width = 4095; + dev->mode_config.max_height = 2047; + } else { + /* + * The Gen3 DU uses the VSP1 for memory access, and is limited + * to frame sizes of 8190x8190. + */ + dev->mode_config.max_width = 8190; + dev->mode_config.max_height = 8190; + } + rcdu->num_crtcs = hweight8(rcdu->info->channels_mask); ret = rcar_du_properties_init(rcdu); |