drm: renesas: rz-du: Increase supported resolutions

commit 226570680bbde0a698f2985db20d9faf4f23cc6e upstream.

The supported resolutions were misrepresented in earlier versions of
hardware manuals.

Fixes: 768e9e61b3b9 ("drm: renesas: Add RZ/G2L DU Support")
Cc: stable@vger.kernel.org
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Tested-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241120150328.4131525-1-chris.brandt@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c
index b99217b4e05d7df9a3fe54db365fcbeca0e7e831..90c6269ccd292078ef46677e417ed95e11d11584 100644 (file)
--- a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c
+++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c
@@ -311,11 +311,11 @@ int rzg2l_du_modeset_init(struct rzg2l_du_device *rcdu)
        dev->mode_config.helper_private = &rzg2l_du_mode_config_helper;
 
        /*
-        * The RZ DU uses the VSP1 for memory access, and is limited
-        * to frame sizes of 1920x1080.
+        * The RZ DU was designed to support a frame size of 1920x1200 (landscape)
+        * or 1200x1920 (portrait).
         */
        dev->mode_config.max_width = 1920;
-       dev->mode_config.max_height = 1080;
+       dev->mode_config.max_height = 1920;
 
        rcdu->num_crtcs = hweight8(rcdu->info->channels_mask);