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authorBasavaraj Natikar <Basavaraj.Natikar@amd.com>2024-02-14 20:11:42 +0530
committerSasha Levin <sashal@kernel.org>2024-03-26 18:19:53 -0400
commit54bec46280c1d8296d5767a76cb1a2bf00187b50 (patch)
treeb2aa04018ebe3a2fefbbcb4625c87ede3bbba43d /drivers/hid
parentc691d69fed1eb8e676bcfc70266a6af6bd71bc81 (diff)
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HID: amd_sfh: Avoid disabling the interrupt
[ Upstream commit c1db0073212ef39d5a46c2aea5e49bf884375ce4 ] HP ProBook x360 435 G7 using older version of firmware which doesn't support disabling the interrupt for all commands. Hence avoid disabling the interrupt for that particular model. Link: https://bugzilla.kernel.org/show_bug.cgi?id=218104 Fixes: b300667b33b2 ("HID: amd_sfh: Disable the interrupt for all command") Co-developed-by: Akshata MukundShetty <akshata.mukundshetty@amd.com> Signed-off-by: Akshata MukundShetty <akshata.mukundshetty@amd.com> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/amd-sfh-hid/amd_sfh_pcie.c30
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
index 2530fa98b568..ce449da08e9b 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
@@ -35,6 +35,8 @@ static int sensor_mask_override = -1;
module_param_named(sensor_mask, sensor_mask_override, int, 0444);
MODULE_PARM_DESC(sensor_mask, "override the detected sensors mask");
+static bool intr_disable = true;
+
static int amd_sfh_wait_response_v2(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts)
{
union cmd_response cmd_resp;
@@ -55,7 +57,7 @@ static void amd_start_sensor_v2(struct amd_mp2_dev *privdata, struct amd_mp2_sen
cmd_base.ul = 0;
cmd_base.cmd_v2.cmd_id = ENABLE_SENSOR;
- cmd_base.cmd_v2.intr_disable = 1;
+ cmd_base.cmd_v2.intr_disable = intr_disable;
cmd_base.cmd_v2.period = info.period;
cmd_base.cmd_v2.sensor_id = info.sensor_idx;
cmd_base.cmd_v2.length = 16;
@@ -73,7 +75,7 @@ static void amd_stop_sensor_v2(struct amd_mp2_dev *privdata, u16 sensor_idx)
cmd_base.ul = 0;
cmd_base.cmd_v2.cmd_id = DISABLE_SENSOR;
- cmd_base.cmd_v2.intr_disable = 1;
+ cmd_base.cmd_v2.intr_disable = intr_disable;
cmd_base.cmd_v2.period = 0;
cmd_base.cmd_v2.sensor_id = sensor_idx;
cmd_base.cmd_v2.length = 16;
@@ -87,7 +89,7 @@ static void amd_stop_all_sensor_v2(struct amd_mp2_dev *privdata)
union sfh_cmd_base cmd_base;
cmd_base.cmd_v2.cmd_id = STOP_ALL_SENSORS;
- cmd_base.cmd_v2.intr_disable = 1;
+ cmd_base.cmd_v2.intr_disable = intr_disable;
cmd_base.cmd_v2.period = 0;
cmd_base.cmd_v2.sensor_id = 0;
@@ -292,6 +294,26 @@ int amd_sfh_irq_init(struct amd_mp2_dev *privdata)
return 0;
}
+static int mp2_disable_intr(const struct dmi_system_id *id)
+{
+ intr_disable = false;
+ return 0;
+}
+
+static const struct dmi_system_id dmi_sfh_table[] = {
+ {
+ /*
+ * https://bugzilla.kernel.org/show_bug.cgi?id=218104
+ */
+ .callback = mp2_disable_intr,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook x360 435 G7"),
+ },
+ },
+ {}
+};
+
static const struct dmi_system_id dmi_nodevs[] = {
{
/*
@@ -315,6 +337,8 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
if (dmi_first_match(dmi_nodevs))
return -ENODEV;
+ dmi_check_system(dmi_sfh_table);
+
privdata = devm_kzalloc(&pdev->dev, sizeof(*privdata), GFP_KERNEL);
if (!privdata)
return -ENOMEM;