>-----Original Message-----
>From: Kulkarni, Vandita
>Sent: Tuesday, July 30, 2019 1:07 PM
>To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
>Cc: Nikula, Jani <jani.nikula@xxxxxxxxx>; ville.syrjala@xxxxxxxxxxxxxxx; Shankar, Uma
><uma.shankar@xxxxxxxxx>; Kulkarni, Vandita <vandita.kulkarni@xxxxxxxxx>
>Subject: [v2 1/6] drm/i915/tgl/dsi: Program TRANS_VBLANK register
>
>Program vblank register for mipi dsi in video mode on TGL.
Looks good to me.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
>Signed-off-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
>---
> drivers/gpu/drm/i915/display/icl_dsi.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c
>b/drivers/gpu/drm/i915/display/icl_dsi.c
>index a42348be0438..7b8fdb16b651 100644
>--- a/drivers/gpu/drm/i915/display/icl_dsi.c
>+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
>@@ -862,6 +862,15 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder
>*encoder,
> dsi_trans = dsi_port_to_transcoder(port);
> I915_WRITE(VSYNCSHIFT(dsi_trans), vsync_shift);
> }
>+
>+ /* program TRANS_VBLANK register, should be same as vtotal programmed
>*/
>+ if (INTEL_GEN(dev_priv) >= 12) {
>+ for_each_dsi_port(port, intel_dsi->ports) {
>+ dsi_trans = dsi_port_to_transcoder(port);
>+ I915_WRITE(VBLANK(dsi_trans),
>+ (vactive - 1) | ((vtotal - 1) << 16));
>+ }
>+ }
> }
>
> static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder)
>--
>2.21.0.5.gaeb582a
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