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drm: rcar-du: Update Gen3 output limitations 

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>
This commit is contained in:
Kieran Bingham 2018-08-31 19:12:57 +01:00 committed by Laurent Pinchart
parent c4341442ac
commit 2a3181d9cf
1 changed files with 12 additions and 2 deletions
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14
drivers/gpu/drm/rcar-du/rcar_du_kms.c
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@ -512,12 +512,22 @@ 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);