diff mbox series

[v2,10/29] venus: hfi_venus: add suspend functionality for Venus 4xx

Message ID 20180515075859.17217-11-stanimir.varbanov@linaro.org
State Superseded
Headers show
Series None | expand

Commit Message

Stanimir Varbanov May 15, 2018, 7:58 a.m. UTC 
This adds suspend (power collapse) functionality by reusing
the suspend function for Venus 3xx and also enables idle indicator
property for Venus 4xx (where it is disabled by default).

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>

---
 drivers/media/platform/qcom/venus/hfi_venus.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

-- 
2.14.1
diff mbox series

Patch

diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
index 284da69eb81b..109116e1545d 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus.c
+++ b/drivers/media/platform/qcom/venus/hfi_venus.c
@@ -878,6 +878,14 @@  static int venus_sys_set_default_properties(struct venus_hfi_device *hdev)
 	if (ret)
 		dev_warn(dev, "setting fw debug msg ON failed (%d)\n", ret);
 
+	/*
+	 * Idle indicator is disabled by default on some 4xx firmware versions,
+	 * enable it explicitly in order to make suspend functional by checking
+	 * WFI (wait-for-interrupt) bit.
+	 */
+	if (IS_V4(hdev->core))
+		venus_sys_idle_indicator = true;
+
 	ret = venus_sys_set_idle_message(hdev, venus_sys_idle_indicator);
 	if (ret)
 		dev_warn(dev, "setting idle response ON failed (%d)\n", ret);
@@ -1525,7 +1533,8 @@  static int venus_suspend_3xx(struct venus_core *core)
 
 static int venus_suspend(struct venus_core *core)
 {
-	if (core->res->hfi_version == HFI_VERSION_3XX)
+	if (core->res->hfi_version == HFI_VERSION_3XX ||
+	    core->res->hfi_version == HFI_VERSION_4XX)
 		return venus_suspend_3xx(core);
 
 	return venus_suspend_1xx(core);