Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 991 insertions, 0 deletions

diff --git a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
new file mode 100644
index 000000000..34790e7a3
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
@@ -0,0 +1,991 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 Bootlin
+ * Copyright (c) 2022 Maíra Canal <mairacanal@riseup.net>
+ */
+
+#include <kunit/test.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_modes.h>
+
+static const struct drm_connector no_connector = {};
+
+static void drm_test_cmdline_force_e_only(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "e";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_force_D_only_not_digital(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "D";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static const struct drm_connector connector_hdmi = {
+	.connector_type	= DRM_MODE_CONNECTOR_HDMIB,
+};
+
+static void drm_test_cmdline_force_D_only_hdmi(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "D";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &connector_hdmi, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON_DIGITAL);
+}
+
+static const struct drm_connector connector_dvi = {
+	.connector_type	= DRM_MODE_CONNECTOR_DVII,
+};
+
+static void drm_test_cmdline_force_D_only_dvi(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "D";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &connector_dvi, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON_DIGITAL);
+}
+
+static void drm_test_cmdline_force_d_only(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "d";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_OFF);
+}
+
+static void drm_test_cmdline_res(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_vesa(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480M";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_TRUE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_vesa_rblank(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480MR";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_TRUE(test, mode.rb);
+	KUNIT_EXPECT_TRUE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_rblank(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480R";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_TRUE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_bpp(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_refresh(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480@60";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_bpp_refresh(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_interlaced(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60i";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_TRUE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_margins(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60m";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_TRUE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_force_off(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60d";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_OFF);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_force_on(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60e";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_force_on_analog(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60D";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_force_on_digital(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	static const struct drm_connector connector = {
+		.connector_type = DRM_MODE_CONNECTOR_DVII,
+	};
+	const char *cmdline = "720x480-24@60D";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON_DIGITAL);
+}
+
+static void drm_test_cmdline_res_bpp_refresh_interlaced_margins_force_on(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24@60ime";
+
+	KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_TRUE(test, mode.refresh_specified);
+	KUNIT_EXPECT_EQ(test, mode.refresh, 60);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_TRUE(test, mode.interlace);
+	KUNIT_EXPECT_TRUE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_res_margins_force_on(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480me";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_TRUE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_res_vesa_margins(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480Mm";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_TRUE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_TRUE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_name(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "NTSC";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+}
+
+static void drm_test_cmdline_name_bpp(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "NTSC-24";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+}
+
+static void drm_test_cmdline_name_option(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "NTSC,rotate=180";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_180);
+}
+
+static void drm_test_cmdline_name_bpp_option(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "NTSC-24,rotate=180";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_180);
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+}
+
+static void drm_test_cmdline_rotate_0(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,rotate=0";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_0);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_rotate_90(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,rotate=90";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_90);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_rotate_180(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,rotate=180";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_180);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_rotate_270(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,rotate=270";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_270);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_hmirror(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,reflect_x";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, (DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_X));
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_vmirror(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,reflect_y";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, (DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_Y));
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_margin_options(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline =
+		"720x480,margin_right=14,margin_left=24,margin_bottom=36,margin_top=42";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.right, 14);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.left, 24);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.bottom, 36);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.top, 42);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_multiple_options(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480,rotate=270,reflect_x";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, (DRM_MODE_ROTATE_270 | DRM_MODE_REFLECT_X));
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_bpp_extra_and_option(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480-24e,rotate=180";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_180);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+	KUNIT_EXPECT_TRUE(test, mode.bpp_specified);
+	KUNIT_EXPECT_EQ(test, mode.bpp, 24);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_extra_and_option(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "720x480e,rotate=180";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_TRUE(test, mode.specified);
+	KUNIT_EXPECT_EQ(test, mode.xres, 720);
+	KUNIT_EXPECT_EQ(test, mode.yres, 480);
+	KUNIT_EXPECT_EQ(test, mode.rotation_reflection, DRM_MODE_ROTATE_180);
+
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_freestanding_options(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "margin_right=14,margin_left=24,margin_bottom=36,margin_top=42";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.right, 14);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.left, 24);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.bottom, 36);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.top, 42);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+static void drm_test_cmdline_freestanding_force_e_and_options(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "e,margin_right=14,margin_left=24,margin_bottom=36,margin_top=42";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.right, 14);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.left, 24);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.bottom, 36);
+	KUNIT_EXPECT_EQ(test, mode.tv_margins.top, 42);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
+}
+
+static void drm_test_cmdline_panel_orientation(struct kunit *test)
+{
+	struct drm_cmdline_mode mode = { };
+	const char *cmdline = "panel_orientation=upside_down";
+
+	KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
+									  &no_connector, &mode));
+	KUNIT_EXPECT_FALSE(test, mode.specified);
+	KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+	KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+	KUNIT_EXPECT_EQ(test, mode.panel_orientation, DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP);
+
+	KUNIT_EXPECT_FALSE(test, mode.rb);
+	KUNIT_EXPECT_FALSE(test, mode.cvt);
+	KUNIT_EXPECT_FALSE(test, mode.interlace);
+	KUNIT_EXPECT_FALSE(test, mode.margins);
+	KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+struct drm_cmdline_invalid_test {
+	const char *name;
+	const char *cmdline;
+};
+
+static void drm_test_cmdline_invalid(struct kunit *test)
+{
+	const struct drm_cmdline_invalid_test *params = test->param_value;
+	struct drm_cmdline_mode mode = { };
+
+	KUNIT_EXPECT_FALSE(test, drm_mode_parse_command_line_for_connector(params->cmdline,
+									   &no_connector,
+									   &mode));
+}
+
+static const struct drm_cmdline_invalid_test drm_cmdline_invalid_tests[] = {
+	{
+		.name = "margin_only",
+		.cmdline = "m",
+	},
+	{
+		.name = "interlace_only",
+		.cmdline = "i",
+	},
+	{
+		.name = "res_missing_x",
+		.cmdline = "x480",
+	},
+	{
+		.name = "res_missing_y",
+		.cmdline = "1024x",
+	},
+	{
+		.name = "res_bad_y",
+		.cmdline = "1024xtest",
+	},
+	{
+		.name = "res_missing_y_bpp",
+		.cmdline = "1024x-24",
+	},
+	{
+		.name = "res_bad_bpp",
+		.cmdline = "720x480-test",
+	},
+	{
+		.name = "res_bad_refresh",
+		.cmdline = "720x480@refresh",
+	},
+	{
+		.name = "res_bpp_refresh_force_on_off",
+		.cmdline = "720x480-24@60de",
+	},
+	{
+		.name = "res_invalid_mode",
+		.cmdline = "720x480f",
+	},
+	{
+		.name = "res_bpp_wrong_place_mode",
+		.cmdline = "720x480e-24",
+	},
+	{
+		.name = "name_bpp_refresh",
+		.cmdline = "NTSC-24@60",
+	},
+	{
+		.name = "name_refresh",
+		.cmdline = "NTSC@60",
+	},
+	{
+		.name = "name_refresh_wrong_mode",
+		.cmdline = "NTSC@60m",
+	},
+	{
+		.name = "name_refresh_invalid_mode",
+		.cmdline = "NTSC@60f",
+	},
+	{
+		.name = "rotate_multiple",
+		.cmdline = "720x480,rotate=0,rotate=90",
+	},
+	{
+		.name = "rotate_invalid_val",
+		.cmdline = "720x480,rotate=42",
+	},
+	{
+		.name = "rotate_truncated",
+		.cmdline = "720x480,rotate=",
+	},
+	{
+		.name = "invalid_option",
+		.cmdline = "720x480,test=42",
+	},
+};
+
+static void drm_cmdline_invalid_desc(const struct drm_cmdline_invalid_test *t,
+				     char *desc)
+{
+	sprintf(desc, "%s", t->name);
+}
+
+KUNIT_ARRAY_PARAM(drm_cmdline_invalid, drm_cmdline_invalid_tests, drm_cmdline_invalid_desc);
+
+static struct kunit_case drm_cmdline_parser_tests[] = {
+	KUNIT_CASE(drm_test_cmdline_force_d_only),
+	KUNIT_CASE(drm_test_cmdline_force_D_only_dvi),
+	KUNIT_CASE(drm_test_cmdline_force_D_only_hdmi),
+	KUNIT_CASE(drm_test_cmdline_force_D_only_not_digital),
+	KUNIT_CASE(drm_test_cmdline_force_e_only),
+	KUNIT_CASE(drm_test_cmdline_res),
+	KUNIT_CASE(drm_test_cmdline_res_vesa),
+	KUNIT_CASE(drm_test_cmdline_res_vesa_rblank),
+	KUNIT_CASE(drm_test_cmdline_res_rblank),
+	KUNIT_CASE(drm_test_cmdline_res_bpp),
+	KUNIT_CASE(drm_test_cmdline_res_refresh),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_interlaced),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_margins),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_force_off),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_force_on),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_force_on_analog),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_force_on_digital),
+	KUNIT_CASE(drm_test_cmdline_res_bpp_refresh_interlaced_margins_force_on),
+	KUNIT_CASE(drm_test_cmdline_res_margins_force_on),
+	KUNIT_CASE(drm_test_cmdline_res_vesa_margins),
+	KUNIT_CASE(drm_test_cmdline_name),
+	KUNIT_CASE(drm_test_cmdline_name_bpp),
+	KUNIT_CASE(drm_test_cmdline_name_option),
+	KUNIT_CASE(drm_test_cmdline_name_bpp_option),
+	KUNIT_CASE(drm_test_cmdline_rotate_0),
+	KUNIT_CASE(drm_test_cmdline_rotate_90),
+	KUNIT_CASE(drm_test_cmdline_rotate_180),
+	KUNIT_CASE(drm_test_cmdline_rotate_270),
+	KUNIT_CASE(drm_test_cmdline_hmirror),
+	KUNIT_CASE(drm_test_cmdline_vmirror),
+	KUNIT_CASE(drm_test_cmdline_margin_options),
+	KUNIT_CASE(drm_test_cmdline_multiple_options),
+	KUNIT_CASE(drm_test_cmdline_bpp_extra_and_option),
+	KUNIT_CASE(drm_test_cmdline_extra_and_option),
+	KUNIT_CASE(drm_test_cmdline_freestanding_options),
+	KUNIT_CASE(drm_test_cmdline_freestanding_force_e_and_options),
+	KUNIT_CASE(drm_test_cmdline_panel_orientation),
+	KUNIT_CASE_PARAM(drm_test_cmdline_invalid, drm_cmdline_invalid_gen_params),
+	{}
+};
+
+static struct kunit_suite drm_cmdline_parser_test_suite = {
+	.name = "drm_cmdline_parser",
+	.test_cases = drm_cmdline_parser_tests
+};
+
+kunit_test_suite(drm_cmdline_parser_test_suite);
+
+MODULE_AUTHOR("Maxime Ripard <maxime.ripard@bootlin.com>");
+MODULE_LICENSE("GPL");