diff options
| author | Madhav Chauhan <madhav.chauhan@intel.com> | 2018-10-30 13:56:17 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2018-10-31 13:13:30 +0200 |
| commit | 7aa32f7c47c9c90eb0ad36a4ccc79418e48335b1 (patch) | |
| tree | 45e08acddd8ce7ff9e897df9f88ae6c049b6c3f9 /drivers/gpu/drm/i915/icl_dsi.c | |
| parent | 4769b598b94383bacd211caa2285e264c5e50498 (diff) | |
drm/i915/icl: Disable DDI function
This patch disables DDI function by writing to
TRANS_DDI_FUNC_CTL registers of DSI ports as part
of DSI disable sequence.
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/b0088d643247135ba96943fa14625f5a43f43633.1540900289.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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 83c422d5976c..0041f57d3c0b 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -833,6 +833,14 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder) 10)) DRM_ERROR("DSI link not in ULPS\n"); } + + /* disable ddi function */ + for_each_dsi_port(port, intel_dsi->ports) { + dsi_trans = dsi_port_to_transcoder(port); + tmp = I915_READ(TRANS_DDI_FUNC_CTL(dsi_trans)); + tmp &= ~TRANS_DDI_FUNC_ENABLE; + I915_WRITE(TRANS_DDI_FUNC_CTL(dsi_trans), tmp); + } } static void __attribute__((unused)) gen11_dsi_disable( |