diff options
| author | Madhav Chauhan <madhav.chauhan@intel.com> | 2018-10-30 13:56:18 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2018-10-31 13:13:34 +0200 |
| commit | 9c83ab1bb384ebf72260b995c4c416bd86fd0e26 (patch) | |
| tree | 8d4e73f1deeedf8a13f82cbf9503d118d040db23 /drivers/gpu/drm/i915/icl_dsi.c | |
| parent | 7aa32f7c47c9c90eb0ad36a4ccc79418e48335b1 (diff) | |
drm/i915/icl: Disable portsync mode
This patch disables portsync mode if DSI link
is operating in dual link mode by writing to
TRANS_DDI_FUNC_CTL2 registers.
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3e608420b58930b6da478801bff018c6e964eb94.1540900289.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/icl_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/icl_dsi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 0041f57d3c0b..71092f116170 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -841,6 +841,16 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder) tmp &= ~TRANS_DDI_FUNC_ENABLE; I915_WRITE(TRANS_DDI_FUNC_CTL(dsi_trans), tmp); } + + /* disable port sync mode if dual link */ + if (intel_dsi->dual_link) { + for_each_dsi_port(port, intel_dsi->ports) { + dsi_trans = dsi_port_to_transcoder(port); + tmp = I915_READ(TRANS_DDI_FUNC_CTL2(dsi_trans)); + tmp &= ~PORT_SYNC_MODE_ENABLE; + I915_WRITE(TRANS_DDI_FUNC_CTL2(dsi_trans), tmp); + } + } } static void __attribute__((unused)) gen11_dsi_disable( |