2023-08-26 20:00:58 +00:00
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Dell Latitude 7490
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==================
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Graphics
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--------
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The kernel crashes frequently with graphical glitches. Add the following
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to the kernel command line to prevent this:
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i915.enable_psr=0
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Crashes when locking or sleeping
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--------------------------------
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Still working out the cause for this one. Current troubleshooting steps
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have been:
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- Using X11 instead of Wayland: FAILED
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- Using KDE Plasma instead of Gnome: FAILED
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- Using XDM instead of GDM: FAILED
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2023-09-07 13:53:17 +00:00
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- Masking rtkit-daemon.service: FAILED
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- Using newer kernel from Debian Backports: FAILED
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- Using Fedora instead of Debian: FAILED
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- Adding i915.modeset=0 to the boot line: TESTING
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- Adding i915.enable_dc=0 to the boot line: TESTING
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- Adding MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 to /etc/environment: TESTING
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- Adding MUTTER_DEBUG_FORCE_KMS_MODE=simple to /etc/environment: TESTING
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2023-09-07 14:01:37 +00:00
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i915 module options
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-------------------
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The following are available options for the i915 module:
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disable_display
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disable_power_well
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dmc_firmware_path
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edp_vswing
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enable_dc
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enable_dp_mst
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enable_dpcd_backlight
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enable_fbc
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enable_guc
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enable_gvt
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enable_hangcheck
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enable_ips
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enable_psr
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enable_psr2_sel_fetch
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error_capture
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fastboot
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force_probe:
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force_reset_modeset_test
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guc_firmware_path
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guc_log_level
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huc_firmware_path
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invert_brightness
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lmem_bar_size
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lmem_size
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load_detect_test
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lvds_channel_mode
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memtest
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mitigations
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mmio_debug
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modeset
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nuclear_pageflip
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panel_use_ssc
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psr_safest_params
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request_timeout_ms
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reset
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vbt_firmware
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vbt_sdvo_panel_type
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verbose_state_checks
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