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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
commit68b7faa497774b94377d3a8215d917bd006eae0b (patch)
treebab1434b47a284ca2893dcc0b908d1b95d982e7c /drivers/thunderbolt/quirks.c
parentAdding upstream version 6.1.85. (diff)
downloadlinux-68b7faa497774b94377d3a8215d917bd006eae0b.tar.xz
linux-68b7faa497774b94377d3a8215d917bd006eae0b.zip
Adding upstream version 6.1.90.upstream/6.1.90upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/thunderbolt/quirks.c')
-rw-r--r--drivers/thunderbolt/quirks.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/thunderbolt/quirks.c b/drivers/thunderbolt/quirks.c
index 4ab3803e1..e81de9c30 100644
--- a/drivers/thunderbolt/quirks.c
+++ b/drivers/thunderbolt/quirks.c
@@ -10,6 +10,7 @@
static void quirk_force_power_link(struct tb_switch *sw)
{
sw->quirks |= QUIRK_FORCE_POWER_LINK_CONTROLLER;
+ tb_sw_dbg(sw, "forcing power to link controller\n");
}
static void quirk_dp_credit_allocation(struct tb_switch *sw)
@@ -42,6 +43,12 @@ static void quirk_usb3_maximum_bandwidth(struct tb_switch *sw)
}
}
+static void quirk_block_rpm_in_redrive(struct tb_switch *sw)
+{
+ sw->quirks |= QUIRK_KEEP_POWER_IN_DP_REDRIVE;
+ tb_sw_dbg(sw, "preventing runtime PM in DP redrive mode\n");
+}
+
struct tb_quirk {
u16 hw_vendor_id;
u16 hw_device_id;
@@ -86,6 +93,14 @@ static const struct tb_quirk tb_quirks[] = {
{ 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HUB_40G_BRIDGE, 0x0000, 0x0000,
quirk_usb3_maximum_bandwidth },
/*
+ * Block Runtime PM in DP redrive mode for Intel Barlow Ridge host
+ * controllers.
+ */
+ { 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_80G_NHI, 0x0000, 0x0000,
+ quirk_block_rpm_in_redrive },
+ { 0x8087, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_40G_NHI, 0x0000, 0x0000,
+ quirk_block_rpm_in_redrive },
+ /*
* CLx is not supported on AMD USB4 Yellow Carp and Pink Sardine platforms.
*/
{ 0x0438, 0x0208, 0x0000, 0x0000, quirk_clx_disable },
@@ -116,6 +131,7 @@ void tb_check_quirks(struct tb_switch *sw)
if (q->device && q->device != sw->device)
continue;
+ tb_sw_dbg(sw, "running %ps\n", q->hook);
q->hook(sw);
}
}