From: Ye Xiang <xiang.ye@intel.com>
Date: Fri, 17 Dec 2021 07:45:41 +0000 (+0800)
Subject: HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL
X-Git-Tag: howlett/maple/20220722_2~1482^2~10
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bcad6d1bd9177740176ea79f6d0fc9f5b07e0c43;p=users%2Fjedix%2Flinux-maple.git

HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL

Specify that both TGL and ADL don't support DMA cache snooping.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c
index 45e0c7b1c9ec..8ccb246b0114 100644
--- a/drivers/hid/intel-ish-hid/ipc/ipc.c
+++ b/drivers/hid/intel-ish-hid/ipc/ipc.c
@@ -909,7 +909,11 @@ static uint32_t ish_ipc_get_header(struct ishtp_device *dev, int length,
  */
 static bool _dma_no_cache_snooping(struct ishtp_device *dev)
 {
-	return dev->pdev->device == EHL_Ax_DEVICE_ID;
+	return (dev->pdev->device == EHL_Ax_DEVICE_ID ||
+		dev->pdev->device == TGL_LP_DEVICE_ID ||
+		dev->pdev->device == TGL_H_DEVICE_ID ||
+		dev->pdev->device == ADL_S_DEVICE_ID ||
+		dev->pdev->device == ADL_P_DEVICE_ID);
 }
 
 static const struct ishtp_hw_ops ish_hw_ops = {