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| author | Tony Lindgren <tony@atomide.com> | 2019-05-20 08:32:11 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2019-05-20 08:32:11 -0700 |
| commit | f29f24b5568fd6169e0363c78f1a80db38d0e7e9 (patch) | |
| tree | 835abaf6e1bb95b9d388f4249f355618e9da1489 /drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | |
| parent | 1ba12322e2f0934383f111a5e695702aaf46b812 (diff) | |
| parent | 34b1b8061de3215208db9accfe60cc3f5b40178f (diff) | |
| download | talos-op-linux-f29f24b5568fd6169e0363c78f1a80db38d0e7e9.tar.gz talos-op-linux-f29f24b5568fd6169e0363c78f1a80db38d0e7e9.zip | |
Merge branch 'fixes-dra7' into fixes
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index dc47720c99ba..39d8509d96a0 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -48,8 +48,13 @@ static enum drm_mode_status sun8i_dw_hdmi_mode_valid_h6(struct drm_connector *connector, const struct drm_display_mode *mode) { - /* This is max for HDMI 2.0b (4K@60Hz) */ - if (mode->clock > 594000) + /* + * Controller support maximum of 594 MHz, which correlates to + * 4K@60Hz 4:4:4 or RGB. However, for frequencies greater than + * 340 MHz scrambling has to be enabled. Because scrambling is + * not yet implemented, just limit to 340 MHz for now. + */ + if (mode->clock > 340000) return MODE_CLOCK_HIGH; return MODE_OK; |
