drm/mxsfb: Make supported modifiers explicit

In contrast to other display controllers on imx like DCSS and ipuv3
lcdif/mxsfb does not support detiling e.g. vivante tiled layouts.
Since mesa might assume otherwise make it explicit that only
DRM_FORMAT_MOD_LINEAR is supported.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/26877532e272c12a74c33188e2a72abafc9a2e1c.1584973664.git.agx@sigxcpu.org

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 47c7dce..1d12ee1 100644 (file)
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -69,6 +69,11 @@ static const uint32_t mxsfb_formats[] = {
        DRM_FORMAT_RGB565
 };
 
+static const uint64_t mxsfb_modifiers[] = {
+       DRM_FORMAT_MOD_LINEAR,
+       DRM_FORMAT_MOD_INVALID
+};
+
 static struct mxsfb_drm_private *
 drm_pipe_to_mxsfb_drm_private(struct drm_simple_display_pipe *pipe)
 {
@@ -244,8 +249,8 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
        }
 
        ret = drm_simple_display_pipe_init(drm, &mxsfb->pipe, &mxsfb_funcs,
-                       mxsfb_formats, ARRAY_SIZE(mxsfb_formats), NULL,
-                       mxsfb->connector);
+                       mxsfb_formats, ARRAY_SIZE(mxsfb_formats),
+                       mxsfb_modifiers, mxsfb->connector);
        if (ret < 0) {
                dev_err(drm->dev, "Cannot setup simple display pipe\n");
                goto err_vblank;