# see <repo:postmarketOS/pmaports:device/main/device-pine64-pinephone/modules-initfs>
# - they include sun6i_mipi_dsi sun4i_drm pwm_sun4i sun8i_mixer anx7688 gpio_vibra pinephone_keyboard
"anx7688"#< required for display initialization and functional cameras
# full list of modules active post-boot with the linux-megous kernel + autoModules=true:
# - `lsmod | sort | cut -d ' ' -f 1`
# "8723cs"
# "axp20x_adc" #< NOT FOUND in megous-no-autoModules
# "axp20x_battery"
# "axp20x_pek"
# "axp20x_usb_power"
# "backlight"
# "blake2b_generic"
# "bluetooth"
# "bridge"
# "btbcm"
# "btqca"
# "btrfs"
# "btrtl"
# "cec"
# "cfg80211"
# "chacha_neon"
# "crc_ccitt"
# "crct10dif_ce"
# "crypto_engine"
# "display_connector" #< NOT FOUND in pmos
# "drm"
# "drm_display_helper"
# "drm_dma_helper"
# "drm_kms_helper"
# "drm_shmem_helper"
# "dw_hdmi"
# "dw_hdmi_cec" #< NOT FOUND in pmos
# "dw_hdmi_i2s_audio"
# "ecc"
# "ecdh_generic"
# "fuse"
# "gc2145" #< NOT FOUND in megous-no-autoModules
# "goodix_ts"
# "gpio_vibra" #< NOT FOUND in megous-no-autoModules
# "gpu_sched"
# "hci_uart"
# "i2c_gpio"
# "inv_mpu6050" #< NOT FOUND in megous-no-autoModules
# "inv_mpu6050_i2c" #< NOT FOUND in megous-no-autoModules
# "inv_sensors_timestamp" #< NOT FOUND in megous-no-autoModules
# "ip6t_rpfilter"
# "ip6_udp_tunnel"
# "ip_set"
# "ip_set_hash_ipport"
# "ip_tables"
# "ipt_rpfilter"
# "joydev"
# "led_class_flash" #< NOT FOUND in megous-no-autoModules
# "leds_sgm3140" #< NOT FOUND in megous-no-autoModules
# "ledtrig_pattern" #< NOT FOUND in megous-no-autoModules
# "libarc4"
# "libchacha"
# "libchacha20poly1305"
# "libcrc32c"
# "libcurve25519_generic"
# "lima"
# "llc"
# "mac80211"
# "macvlan"
# "mc"
# "modem_power"
# "mousedev"
# "nf_conntrack"
# "nf_defrag_ipv4"
# "nf_defrag_ipv6"
# "nf_log_syslog"
# "nf_nat"
# "nfnetlink"
# "nf_tables"
# "nft_chain_nat"
# "nft_compat"
# "nls_cp437"
# "nls_iso8859_1"
# "nvmem_reboot_mode"
# "ov5640"
# "panel_sitronix_st7703"
# "phy_sun6i_mipi_dphy"
# "pinctrl_axp209" #< NOT FOUND in pmos
# "pinephone_keyboard" #< NOT FOUND in megous-no-autoModules
# "poly1305_neon"
# "polyval_ce"
# "polyval_generic"
# "ppkb_manager" #< NOT FOUND in megous-no-autoModules
# "pwm_bl"
# "pwm_sun4i"
# "qrtr"
# "raid6_pq"
# "rfkill"
# "rtw88_8703b"
# "rtw88_8723cs"
# "rtw88_8723x"
# "rtw88_core"
# "rtw88_sdio"
# "sch_fq_codel"
# "sm4"
# "snd_soc_bt_sco"
# "snd_soc_ec25" #< NOT FOUND in megous-no-autoModules
# "snd_soc_hdmi_codec"
# "snd_soc_simple_amplifier"
# "snd_soc_simple_card"
# "snd_soc_simple_card_utils"
# "stk3310" #< NOT FOUND in megous-no-autoModules
# "st_magn"
# "st_magn_i2c"
# "st_magn_spi" #< NOT FOUND in pmos
# "stp"
# "st_sensors"
# "st_sensors_i2c"
# "st_sensors_spi" #< NOT FOUND in pmos
# "sun4i_drm"
# "sun4i_i2s"
# "sun4i_lradc_keys" #< NOT FOUND in megous-no-autoModules
# "sun4i_tcon"
# "sun50i_codec_analog"
# "sun6i_csi"
# "sun6i_dma"
# "sun6i_mipi_dsi"
# "sun8i_a33_mbus" #< NOT FOUND in megous-no-autoModules
# "sun8i_adda_pr_regmap"
# "sun8i_ce" #< NOT FOUND in pmos
# "sun8i_codec" #< NOT FOUND in megous-no-autoModules
# "sun8i_di" #< NOT FOUND in megous-no-autoModules
# "sun8i_drm_hdmi"
# "sun8i_mixer"
# "sun8i_rotate" #< NOT FOUND in megous-no-autoModules
# "sun8i_tcon_top"
# "sun9i_hdmi_audio" #< NOT FOUND in megous-no-autoModules
# "sunxi_wdt" #< NOT FOUND in pmos
# "tap"
# "typec" #< NOT FOUND in pmos
# "udp_tunnel"
# "uio" #< NOT FOUND in pmos
# "uio_pdrv_genirq"
# "v4l2_async"
# "v4l2_cci" #< NOT FOUND in pmos
# "v4l2_flash_led_class" #< NOT FOUND in megous-no-autoModules
# "v4l2_fwnode"
# "v4l2_mem2mem"
# "videobuf2_common"
# "videobuf2_dma_contig"
# "videobuf2_memops"
# "videobuf2_v4l2"
# "videodev"
# "wireguard"
# "xor"
# "x_tables"
# "xt_conntrack"
# "xt_LOG"
# "xt_nat"
# "xt_pkttype"
# "xt_set"
# "xt_tcpudp"
# "zram"
];
# disable proximity sensor.
# the filtering/calibration is bad that it causes the screen to go fully dark at times.
# boot.blacklistedKernelModules = [ "stk3310" ];
boot.kernelParams=[
# without this some GUI apps fail: `DRM_IOCTL_MODE_CREATE_DUMB failed: Cannot allocate memory`
# this is because they can't allocate enough video ram.
# see related nixpkgs issue: <https://github.com/NixOS/nixpkgs/issues/260222>
# TODO(2023/12/03): remove once mesa 23.3.1 lands: <https://github.com/NixOS/nixpkgs/pull/265740>
#
# the default CMA seems to be 32M.
# i was running fine with 256MB from 2022/07-ish through 2022/12-ish, but then the phone quit reliably coming back from sleep (phosh): maybe a memory leak?
# bumped to 512M on 2023/01
# bumped to 1536M on 2024/05
# `cat /proc/meminfo` to see CmaTotal/CmaFree if interested in tuning this.
# i think cma mem isn't exclusive -- it can be used as ordinary `malloc`, still. i heard someone suggest the OS default should just be 50% memory to CMA.
"cma=1536M"
# 2023/10/20: potential fix for the lima (GPU) timeout bugs: