From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- drivers/gpu/drm/tidss/tidss_plane.c | 238 ++++++++++++++++++++++++++++++++++++ 1 file changed, 238 insertions(+) create mode 100644 drivers/gpu/drm/tidss/tidss_plane.c (limited to 'drivers/gpu/drm/tidss/tidss_plane.c') diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/tidss_plane.c new file mode 100644 index 000000000..42d50ec55 --- /dev/null +++ b/drivers/gpu/drm/tidss/tidss_plane.c @@ -0,0 +1,238 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/ + * Author: Tomi Valkeinen + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "tidss_crtc.h" +#include "tidss_dispc.h" +#include "tidss_drv.h" +#include "tidss_plane.h" + +/* drm_plane_helper_funcs */ + +static int tidss_plane_atomic_check(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, + plane); + struct drm_device *ddev = plane->dev; + struct tidss_device *tidss = to_tidss(ddev); + struct tidss_plane *tplane = to_tidss_plane(plane); + const struct drm_format_info *finfo; + struct drm_crtc_state *crtc_state; + u32 hw_plane = tplane->hw_plane_id; + u32 hw_videoport; + int ret; + + dev_dbg(ddev->dev, "%s\n", __func__); + + if (!new_plane_state->crtc) { + /* + * The visible field is not reset by the DRM core but only + * updated by drm_plane_helper_check_state(), set it manually. + */ + new_plane_state->visible = false; + return 0; + } + + crtc_state = drm_atomic_get_crtc_state(state, + new_plane_state->crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, + 0, + INT_MAX, true, true); + if (ret < 0) + return ret; + + /* + * The HW is only able to start drawing at subpixel boundary + * (the two first checks bellow). At the end of a row the HW + * can only jump integer number of subpixels forward to the + * beginning of the next row. So we can only show picture with + * integer subpixel width (the third check). However, after + * reaching the end of the drawn picture the drawing starts + * again at the absolute memory address where top left corner + * position of the drawn picture is (so there is no need to + * check for odd height). + */ + + finfo = drm_format_info(new_plane_state->fb->format->format); + + if ((new_plane_state->src_x >> 16) % finfo->hsub != 0) { + dev_dbg(ddev->dev, + "%s: x-position %u not divisible subpixel size %u\n", + __func__, (new_plane_state->src_x >> 16), finfo->hsub); + return -EINVAL; + } + + if ((new_plane_state->src_y >> 16) % finfo->vsub != 0) { + dev_dbg(ddev->dev, + "%s: y-position %u not divisible subpixel size %u\n", + __func__, (new_plane_state->src_y >> 16), finfo->vsub); + return -EINVAL; + } + + if ((new_plane_state->src_w >> 16) % finfo->hsub != 0) { + dev_dbg(ddev->dev, + "%s: src width %u not divisible by subpixel size %u\n", + __func__, (new_plane_state->src_w >> 16), + finfo->hsub); + return -EINVAL; + } + + if (!new_plane_state->visible) + return 0; + + hw_videoport = to_tidss_crtc(new_plane_state->crtc)->hw_videoport; + + ret = dispc_plane_check(tidss->dispc, hw_plane, new_plane_state, + hw_videoport); + if (ret) + return ret; + + return 0; +} + +static void tidss_plane_atomic_update(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_device *ddev = plane->dev; + struct tidss_device *tidss = to_tidss(ddev); + struct tidss_plane *tplane = to_tidss_plane(plane); + struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, + plane); + u32 hw_videoport; + int ret; + + dev_dbg(ddev->dev, "%s\n", __func__); + + if (!new_state->visible) { + dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, false); + return; + } + + hw_videoport = to_tidss_crtc(new_state->crtc)->hw_videoport; + + ret = dispc_plane_setup(tidss->dispc, tplane->hw_plane_id, + new_state, hw_videoport); + + if (ret) { + dev_err(plane->dev->dev, "%s: Failed to setup plane %d\n", + __func__, tplane->hw_plane_id); + dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, false); + return; + } + + dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, true); +} + +static void tidss_plane_atomic_disable(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_device *ddev = plane->dev; + struct tidss_device *tidss = to_tidss(ddev); + struct tidss_plane *tplane = to_tidss_plane(plane); + + dev_dbg(ddev->dev, "%s\n", __func__); + + dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, false); +} + +static void drm_plane_destroy(struct drm_plane *plane) +{ + struct tidss_plane *tplane = to_tidss_plane(plane); + + drm_plane_cleanup(plane); + kfree(tplane); +} + +static const struct drm_plane_helper_funcs tidss_plane_helper_funcs = { + .atomic_check = tidss_plane_atomic_check, + .atomic_update = tidss_plane_atomic_update, + .atomic_disable = tidss_plane_atomic_disable, +}; + +static const struct drm_plane_funcs tidss_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .reset = drm_atomic_helper_plane_reset, + .destroy = drm_plane_destroy, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, +}; + +struct tidss_plane *tidss_plane_create(struct tidss_device *tidss, + u32 hw_plane_id, u32 plane_type, + u32 crtc_mask, const u32 *formats, + u32 num_formats) +{ + struct tidss_plane *tplane; + enum drm_plane_type type; + u32 possible_crtcs; + u32 num_planes = tidss->feat->num_planes; + u32 color_encodings = (BIT(DRM_COLOR_YCBCR_BT601) | + BIT(DRM_COLOR_YCBCR_BT709)); + u32 color_ranges = (BIT(DRM_COLOR_YCBCR_FULL_RANGE) | + BIT(DRM_COLOR_YCBCR_LIMITED_RANGE)); + u32 default_encoding = DRM_COLOR_YCBCR_BT601; + u32 default_range = DRM_COLOR_YCBCR_FULL_RANGE; + u32 blend_modes = (BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE)); + int ret; + + tplane = kzalloc(sizeof(*tplane), GFP_KERNEL); + if (!tplane) + return ERR_PTR(-ENOMEM); + + tplane->hw_plane_id = hw_plane_id; + + possible_crtcs = crtc_mask; + type = plane_type; + + ret = drm_universal_plane_init(&tidss->ddev, &tplane->plane, + possible_crtcs, + &tidss_plane_funcs, + formats, num_formats, + NULL, type, NULL); + if (ret < 0) + goto err; + + drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs); + + drm_plane_create_zpos_property(&tplane->plane, hw_plane_id, 0, + num_planes - 1); + + ret = drm_plane_create_color_properties(&tplane->plane, + color_encodings, + color_ranges, + default_encoding, + default_range); + if (ret) + goto err; + + ret = drm_plane_create_alpha_property(&tplane->plane); + if (ret) + goto err; + + ret = drm_plane_create_blend_mode_property(&tplane->plane, blend_modes); + if (ret) + goto err; + + return tplane; + +err: + kfree(tplane); + return ERR_PTR(ret); +} -- cgit v1.2.3