On Thu, 16 Jan 2025, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > intel_set_transcoder_timings*() aren't currently suitable for DSI. > Warn if someone accidentally calls them in such cases. > > Cc: Paz Zcharya <pazz@xxxxxxxxxxxx> > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_display.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c > index ac6fc177099f..fa398d7d1baa 100644 > --- a/drivers/gpu/drm/i915/display/intel_display.c > +++ b/drivers/gpu/drm/i915/display/intel_display.c > @@ -2837,6 +2837,8 @@ static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_sta > u32 crtc_vdisplay, crtc_vtotal, crtc_vblank_start, crtc_vblank_end; > int vsyncshift = 0; > > + drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)); > + > /* We need to be careful not to changed the adjusted mode, for otherwise > * the hw state checker will get angry at the mismatch. */ > crtc_vdisplay = adjusted_mode->crtc_vdisplay; > @@ -2918,6 +2920,8 @@ static void intel_set_transcoder_timings_lrr(const struct intel_crtc_state *crtc > const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; > u32 crtc_vdisplay, crtc_vtotal, crtc_vblank_start, crtc_vblank_end; > > + drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)); > + > crtc_vdisplay = adjusted_mode->crtc_vdisplay; > crtc_vtotal = adjusted_mode->crtc_vtotal; > crtc_vblank_start = adjusted_mode->crtc_vblank_start; -- Jani Nikula, Intel