Return an error value from dispc_softreset() so that the caller can
handle the errors.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/tidss/tidss_dispc.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index deb665d0ede8..50b475b285d9 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -2702,7 +2702,7 @@ static void dispc_init_errata(struct dispc_device *dispc)
}
}
-static void dispc_softreset(struct dispc_device *dispc)
+static int dispc_softreset(struct dispc_device *dispc)
{
u32 val;
int ret;
@@ -2712,8 +2712,12 @@ static void dispc_softreset(struct dispc_device *dispc)
/* Wait for reset to complete */
ret = readl_poll_timeout(dispc->base_common + DSS_SYSSTATUS,
val, val & 1, 100, 5000);
- if (ret)
- dev_warn(dispc->dev, "failed to reset dispc\n");
+ if (ret) {
+ dev_err(dispc->dev, "failed to reset dispc\n");
+ return ret;
+ }
+
+ return 0;
}
int dispc_init(struct tidss_device *tidss)
@@ -2826,8 +2830,11 @@ int dispc_init(struct tidss_device *tidss)
&dispc->memory_bandwidth_limit);
/* K2G display controller does not support soft reset */
- if (feat->subrev != DISPC_K2G)
- dispc_softreset(dispc);
+ if (feat->subrev != DISPC_K2G) {
+ r = dispc_softreset(dispc);
+ if (r)
+ return r;
+ }
tidss->dispc = dispc;
--
2.34.1
