diff options
| author | Vandita Kulkarni <vandita.kulkarni@intel.com> | 2019-07-30 13:06:43 +0530 |
|---|---|---|
| committer | Uma Shankar <uma.shankar@intel.com> | 2019-08-08 18:37:49 +0530 |
| commit | 3522a33a2746b519b27a675639ac976c9189d1de (patch) | |
| tree | 197dd292e957a8990345ecd993ea3f8f8dc06e5c /drivers/gpu/drm/i915/display/icl_dsi.c | |
| parent | 707d26dcc1765172031b3779bb03a9db249ad949 (diff) | |
drm/i915/tgl/dsi: Program TRANS_VBLANK register
Program vblank register for mipi dsi in video mode
on TGL.
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730073648.5157-2-vandita.kulkarni@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/icl_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi.c | 9 |
1 files changed, 9 insertions, 0 deletions
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) |