|
@@ -1,42 +0,0 @@
|
|
|
-From: Michal Simek <michal.simek@amd.com>
|
|
|
-Date: Mon, 9 Dec 2024 12:11:50 +0100
|
|
|
-Subject: [PATCH] video: zynqmp: Add support for reset
|
|
|
-
|
|
|
-In Kria SOM configuration DP is under reset and access to DP is causing
|
|
|
-hang that's why call reset at probe to avoid this situation.
|
|
|
-
|
|
|
-Signed-off-by: Michal Simek <michal.simek@amd.com>
|
|
|
-Link: https://lore.kernel.org/r/0504474a91a9839828aecd37f8855fd154cdf2e1.1733742708.git.michal.simek@amd.com
|
|
|
-Upstream: https://github.com/u-boot/u-boot/commit/8b81010a2fe385524b58bea9116f1b6954c3d2bd
|
|
|
----
|
|
|
- drivers/video/zynqmp/zynqmp_dpsub.c | 6 ++++++
|
|
|
- 1 file changed, 6 insertions(+)
|
|
|
-
|
|
|
-diff --git a/drivers/video/zynqmp/zynqmp_dpsub.c b/drivers/video/zynqmp/zynqmp_dpsub.c
|
|
|
-index 76abfeac4433..52af23c3c835 100644
|
|
|
---- a/drivers/video/zynqmp/zynqmp_dpsub.c
|
|
|
-+++ b/drivers/video/zynqmp/zynqmp_dpsub.c
|
|
|
-@@ -11,6 +11,7 @@
|
|
|
- #include <dm.h>
|
|
|
- #include <errno.h>
|
|
|
- #include <generic-phy.h>
|
|
|
-+#include <reset.h>
|
|
|
- #include <stdlib.h>
|
|
|
- #include <video.h>
|
|
|
- #include <wait_bit.h>
|
|
|
-@@ -2093,10 +2094,15 @@ static int zynqmp_dpsub_probe(struct udevice *dev)
|
|
|
- {
|
|
|
- struct video_priv *uc_priv = dev_get_uclass_priv(dev);
|
|
|
- struct zynqmp_dpsub_priv *priv = dev_get_priv(dev);
|
|
|
-+ struct reset_ctl_bulk resets;
|
|
|
- struct clk clk;
|
|
|
- int ret;
|
|
|
- int mode = RGBA8888;
|
|
|
-
|
|
|
-+ ret = reset_get_bulk(dev, &resets);
|
|
|
-+ if (!ret)
|
|
|
-+ reset_deassert_bulk(&resets);
|
|
|
-+
|
|
|
- ret = clk_get_by_name(dev, "dp_apb_clk", &clk);
|
|
|
- if (ret < 0) {
|
|
|
- dev_err(dev, "failed to get clock\n");
|