https://bugs.freedesktop.org/show_bug.cgi?id=93405
--- Comment #18 from Ilia Mirkin <[email protected]> ---
(In reply to Elmar Stellnberger from comment #16)
> let my HDMI output simply stay black. The support of the hdmimhz parameter
> is an amazing feature that no proprietary driver will give; neat work!
>From the NVIDIA blob readme file:
"""
Option "ModeValidation" "string"
"NoMaxPClkCheck": each mode has a pixel clock; this pixel clock is validated
against the maximum pixel clock of the hardware (for a DFP, this is the maximum
pixel clock of the TMDS encoder, for a CRT, this is the maximum pixel clock of
the DAC). This argument disables the maximum pixel clock checking stage of the
mode validation pipeline.
"NoEdidMaxPClkCheck": a display device's EDID can specify the maximum pixel
clock that the display device supports; a mode's pixel clock is validated
against this pixel clock maximum. This argument disables this stage of the mode
validation pipeline.
"NoMaxSizeCheck": each NVIDIA GPU has a maximum resolution that it can drive;
this argument disables this stage of the mode validation pipeline.
"""
And a whole bunch of others.
(In reply to Elmar Stellnberger from comment #17)
> By the way does anyone know whether there is a similar feature for the
> radeon driver? I have an XFX Radeon R5 230 card which was advertised as 4K
> ready. However I did never get any of the 4K modes to work.
Wrong place to ask.
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