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authorKieran Bingham <kieran.bingham+renesas@ideasonboard.com>2018-08-31 19:12:57 +0100
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2018-09-15 17:28:32 +0300
commit2a3181d9cfd6d5aa48f8527708d0c32072072cef (patch)
treec851ca8d7dba26153d19454f64932d5378fcb534 /drivers/gpu/drm/rcar-du
parentc4341442acb14d8f1cec6999123a70f9d2bfe48f (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/rcar-du')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_kms.c14
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 ed7fa3204892..7c7aff8cdf77 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -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);