drm/rcar-du: Add support for the r8a7791 DU

The r8a7791 DU is a stripped-down version of the r8a7790 DU with two
CRTCs and a single LVDS output.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 4eee02f899654ee452cd158dfdf56dfaeb5e7640..5536811a8cbe189ccc95d48a0c9fe896faf11ca9 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -272,9 +272,29 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = {
        .num_lvds = 2,
 };
 
+static const struct rcar_du_device_info rcar_du_r8a7791_info = {
+       .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
+       .num_crtcs = 2,
+       .routes = {
+               /* R8A7791 has one RGB output, one LVDS output and one
+                * (currently unsupported) TCON output.
+                */
+               [RCAR_DU_OUTPUT_DPAD0] = {
+                       .possible_crtcs = BIT(1),
+                       .encoder_type = DRM_MODE_ENCODER_NONE,
+               },
+               [RCAR_DU_OUTPUT_LVDS0] = {
+                       .possible_crtcs = BIT(0),
+                       .encoder_type = DRM_MODE_ENCODER_LVDS,
+               },
+       },
+       .num_lvds = 1,
+};
+
 static const struct platform_device_id rcar_du_id_table[] = {
        { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info },
        { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info },
+       { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info },
        { }
 };