diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0566-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0566-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0566-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch b/target/linux/bcm27xx/patches-5.10/950-0566-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch new file mode 100644 index 0000000000..30bf65e3f2 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0566-drm-vc4-Register-dsi0-as-the-correct-vc4-encoder-typ.patch @@ -0,0 +1,29 @@ +From b627cebfc64dd944b9571203e30456efbc0101c3 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Mon, 8 Feb 2021 11:22:01 +0000 +Subject: [PATCH] drm/vc4: Register dsi0 as the correct vc4 encoder + type + +vc4_dsi was registering both dsi0 and dsi1 as VC4_ENCODER_TYPE_DSI1 +which seemed to work OK for a single DSI display, but fails +if there are two DSI displays connected. + +Update to register the correct type. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/vc4/vc4_dsi.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_dsi.c ++++ b/drivers/gpu/drm/vc4/vc4_dsi.c +@@ -1506,7 +1506,8 @@ static int vc4_dsi_bind(struct device *d + return -ENOMEM; + + INIT_LIST_HEAD(&dsi->bridge_chain); +- vc4_dsi_encoder->base.type = VC4_ENCODER_TYPE_DSI1; ++ vc4_dsi_encoder->base.type = dsi->variant->port ? ++ VC4_ENCODER_TYPE_DSI1 : VC4_ENCODER_TYPE_DSI0; + vc4_dsi_encoder->dsi = dsi; + dsi->encoder = &vc4_dsi_encoder->base.base; + |