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[Why] Some LED panel drivers might not like fractional PWM. In such cases, backlight flickering may be observed. [How] Add a DC feature mask to disable fractional PWM, and associate it with the preexisting dc_config flag. The flag is only plumbed through the dmcu firmware, so plumb it through the driver path as well. To disable, add the following to the linux cmdline: amdgpu.dcfeaturemask=0x4 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204957 Signed-off-by: Leo Li <sunpeng.li@amd.com> Reviewed-by: Anthony Koo <anthony.koo@amd.com> Tested-by: Lukáš Krejčí <lskrejci@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| .. | ||
| asic_reg | ||
| ivsrcid | ||
| amd_acpi.h | ||
| amd_pcie_helpers.h | ||
| amd_pcie.h | ||
| amd_shared.h | ||
| arct_ip_offset.h | ||
| atom-bits.h | ||
| atom-names.h | ||
| atom-types.h | ||
| atombios.h | ||
| atomfirmware.h | ||
| atomfirmwareid.h | ||
| cgs_common.h | ||
| cik_structs.h | ||
| discovery.h | ||
| displayobject.h | ||
| dm_pp_interface.h | ||
| kgd_kfd_interface.h | ||
| kgd_pp_interface.h | ||
| navi10_enum.h | ||
| navi10_ip_offset.h | ||
| navi12_ip_offset.h | ||
| navi14_ip_offset.h | ||
| pptable.h | ||
| renoir_ip_offset.h | ||
| soc15_hw_ip.h | ||
| soc15_ih_clientid.h | ||
| v9_structs.h | ||
| v10_structs.h | ||
| vega10_enum.h | ||
| vega10_ip_offset.h | ||
| vega20_ip_offset.h | ||
| vi_structs.h | ||