diff options
| author | Madhav Chauhan <madhav.chauhan@intel.com> | 2018-10-30 13:56:20 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2018-10-31 13:13:40 +0200 |
| commit | 0f0fe8497d968fef969c16f5dcff7062e85fb409 (patch) | |
| tree | 1f9bb9dea0bad258c4c31d9cbc282687fb5a3ba0 /drivers/gpu/drm/i915/icl_dsi.c | |
| parent | 019cec36f3727daa811513221fa3b67bc4acec75 (diff) | |
drm/i915/icl: Disable DSI IO power
This patch configures mode of combo phy as DDI and
disable IO power for DDI ports used by DSI.
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/b68d767717a3b86c26042d0b16abb3943756fcc4.1540900289.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 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 44696848ffd7..ac22c74ae146 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -873,6 +873,26 @@ static void gen11_dsi_disable_port(struct intel_encoder *encoder) } } +static void gen11_dsi_disable_io_power(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + enum port port; + u32 tmp; + + intel_display_power_put(dev_priv, POWER_DOMAIN_PORT_DDI_A_IO); + + if (intel_dsi->dual_link) + intel_display_power_put(dev_priv, POWER_DOMAIN_PORT_DDI_B_IO); + + /* set mode to DDI */ + for_each_dsi_port(port, intel_dsi->ports) { + tmp = I915_READ(ICL_DSI_IO_MODECTL(port)); + tmp &= ~COMBO_PHY_MODE_DSI; + I915_WRITE(ICL_DSI_IO_MODECTL(port), tmp); + } +} + static void __attribute__((unused)) gen11_dsi_disable( struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, @@ -895,4 +915,7 @@ static void __attribute__((unused)) gen11_dsi_disable( /* step3: disable port */ gen11_dsi_disable_port(encoder); + + /* step4: disable IO power */ + gen11_dsi_disable_io_power(encoder); } |