diff options
| author | Michal Simek <michal.simek@amd.com> | 2024-12-09 12:11:50 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2024-12-11 12:40:13 +0100 |
| commit | 8b81010a2fe385524b58bea9116f1b6954c3d2bd (patch) | |
| tree | b948446f5d1806dfe63ec2630b279adb5ec286b1 | |
| parent | b841e559cd26ffcb20f22e8ee75debed9616c002 (diff) | |
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
| -rw-r--r-- | drivers/video/zynqmp/zynqmp_dpsub.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/video/zynqmp/zynqmp_dpsub.c b/drivers/video/zynqmp/zynqmp_dpsub.c index 76abfeac443..52af23c3c83 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"); |