diff options
Diffstat (limited to 'drivers/thunderbolt/quirks.c')
| -rw-r--r-- | drivers/thunderbolt/quirks.c | 16 |
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); } } |