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Graphics, sound and multimedia • [Pi5] DPI Interlaced mode not working

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Hi all,

I have a custom DPI bridge mode 6 that works fine in all Pi 3, 4 and 5 models.
For making interlaced video modes available in previous models of Raspberry, it was required to simply remove the check from the vc4_dpi.c, that is, you simply commented out these lines and everything worked fine:

Code:

static enum drm_mode_status vc4_dpi_encoder_mode_valid(struct drm_encoder *encoder,       const struct drm_display_mode *mode){/*if (mode->flags & DRM_MODE_FLAG_INTERLACE)return MODE_NO_INTERLACE;*/return MODE_OK;}
When using the same SD card with my customizations in Pi5, the interlaced modes are diplayed totally wrong like if they were out of phase.
I saw that there are new stuff related to rp1 but not sure if this has something to do with the issue.

Are interlaced modes still supported in Pi5? (I mean custom modes and not only a few NTSC and PAL standar ones)

Regards

Statistics: Posted by rTomasa — Thu May 02, 2024 1:14 am



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