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Diffstat (limited to 'drivers/gpu/ipu-v3')
-rw-r--r--drivers/gpu/ipu-v3/ipu-dc.c5
-rw-r--r--drivers/gpu/ipu-v3/ipu-di.c7
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c
index 34b4075a6a8e..ca96b235491a 100644
--- a/drivers/gpu/ipu-v3/ipu-dc.c
+++ b/drivers/gpu/ipu-v3/ipu-dc.c
@@ -167,6 +167,11 @@ int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
dc->di = ipu_di_get_num(di);
+ if (!IS_ALIGNED(width, 8)) {
+ dev_warn(priv->dev,
+ "%s: hactive does not align to 8 byte\n", __func__);
+ }
+
map = ipu_bus_format_to_map(bus_format);
/*
diff --git a/drivers/gpu/ipu-v3/ipu-di.c b/drivers/gpu/ipu-v3/ipu-di.c
index e617f60afeea..666223c6bec4 100644
--- a/drivers/gpu/ipu-v3/ipu-di.c
+++ b/drivers/gpu/ipu-v3/ipu-di.c
@@ -506,6 +506,13 @@ int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode)
{
u32 diff;
+ if (!IS_ALIGNED(mode->hactive, 8) &&
+ mode->hfront_porch < ALIGN(mode->hactive, 8) - mode->hactive) {
+ dev_err(di->ipu->dev, "hactive %d is not aligned to 8 and front porch is too small to compensate\n",
+ mode->hactive);
+ return -EINVAL;
+ }
+
if (mode->vfront_porch >= 2)
return 0;