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authorRuud Derwig <rderwig@synopsys.com>2016-06-06 10:47:46 +0300
committerAlexey Brodkin <abrodkin@synopsys.com>2016-06-13 18:45:17 +0300
commita189d28e5edea70f20995547ddc84c79b2f76c03 (patch)
tree2cab6e30400c91cf771bbc0f4dc339c3d8bf74fd /drivers/gpu/drm/arc/arcpgu_drv.c
parent3c85f20a289d044f303f473ee6ab7502303fc3b0 (diff)
downloadlinux-a189d28e5edea70f20995547ddc84c79b2f76c03.tar.xz
drm/arcpgu: Make ARC PGU usable on simulation platforms
In case of simulation there's no real encoder/transmitter device because in the model's virtual LCD we're rendering whatever appears in frame-buffer memory. Signed-off-by: Ruud Derwig <rderwig@synopsys.com> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/arc/arcpgu_drv.c')
-rw-r--r--drivers/gpu/drm/arc/arcpgu_drv.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c
index 7675bbc70133..07c1bdeca489 100644
--- a/drivers/gpu/drm/arc/arcpgu_drv.c
+++ b/drivers/gpu/drm/arc/arcpgu_drv.c
@@ -149,15 +149,16 @@ static int arcpgu_load(struct drm_device *drm)
/* find the encoder node and initialize it */
encoder_node = of_parse_phandle(drm->dev->of_node, "encoder-slave", 0);
- if (!encoder_node) {
- dev_err(drm->dev, "failed to get an encoder slave node\n");
- return -ENODEV;
+ if (encoder_node) {
+ ret = arcpgu_drm_hdmi_init(drm, encoder_node);
+ if (ret < 0)
+ return ret;
+ } else {
+ ret = arcpgu_drm_sim_init(drm, 0);
+ if (ret < 0)
+ return ret;
}
- ret = arcpgu_drm_hdmi_init(drm, encoder_node);
- if (ret < 0)
- return ret;
-
drm_mode_config_reset(drm);
drm_kms_helper_poll_init(drm);