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drivers: platform: tegra: dce: Clean up ivc notify

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Revisit ivc signaling during handshake and clean
it up to reduce spurious signals.

JIRA TDS-6381
Bug 200666838

Change-Id: I1698220b968d0aa8d1b6d1d36d551118be283c02
Signed-off-by: Arun Swain <arswain@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-t23x/+/2417049
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Santosh Galma <galmar@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Santosh Galma <galmar@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Arun Swain
2020-09-20 22:18:10 -07:00
committed by Laxman Dewangan
parent ea84c95dbf
commit 25954c13e6
1 changed files with 5 additions and 5 deletions
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10
drivers/platform/tegra/dce/dce-ipc.c
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@@ -167,11 +167,6 @@ void dce_ipc_free_region(struct tegra_dce *d)
*/
static void dce_ipc_signal_target(struct ivc *ivc)
{
struct dce_ipc_channel *ch;
ch = container_of(ivc, struct dce_ipc_channel, d_ivc);
ch->signal.notify(ch->d, &ch->signal.to_d);
}
static int _dce_ipc_wait(struct tegra_dce *d, u32 w_type, u32 ch_type)
@@ -400,6 +395,9 @@ bool dce_ipc_channel_is_ready(struct tegra_dce *d, u32 ch_type)
ret = (tegra_ivc_channel_notified(&ch->d_ivc) ? false : true);
if (ret)
ch->signal.notify(d, &ch->signal.to_d);
dce_mutex_unlock(&ch->lock);
return ret;
@@ -426,6 +424,8 @@ void dce_ipc_channel_reset(struct tegra_dce *d, u32 ch_type)
ch->flags &= ~DCE_IPC_CHANNEL_SYNCED;
ch->signal.notify(d, &ch->signal.to_d);
_dce_ipc_wait(ch->d, DCE_IPC_WAIT_TYPE_SYNC, ch_type);
ch->flags |= DCE_IPC_CHANNEL_SYNCED;