diff options
| -rw-r--r-- | drivers/gpu/drm/tidss/tidss_dispc.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c index bce5432d26f3..b72f1e7d4b72 100644 --- a/drivers/gpu/drm/tidss/tidss_dispc.c +++ b/drivers/gpu/drm/tidss/tidss_dispc.c @@ -2761,7 +2761,7 @@ 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; @@ -2771,8 +2771,12 @@ 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) @@ -2885,8 +2889,11 @@ 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; |