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drm/i915: Pass crtc_state and connector state to backlight enable/disable functions

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The backlight functions need to determine the pipe and the transcoder the
backlight will be enabled on, so pass crtc_state instead of trying to
dereference the state without holding locks.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100022
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170612102115.23665-2-maarten.lankhorst@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Maarten Lankhorst
2017-06-12 12:21:13 +02:00
parent 0c8792d00d
commit b037d58f97
6 changed files with 32 additions and 35 deletions
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4
drivers/gpu/drm/i915/intel_dsi.c
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@@ -835,7 +835,7 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder,
intel_dsi_port_enable(encoder);
}
intel_panel_enable_backlight(intel_dsi->attached_connector);
intel_panel_enable_backlight(pipe_config, conn_state);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
}
@@ -866,7 +866,7 @@ static void intel_dsi_disable(struct intel_encoder *encoder,
DRM_DEBUG_KMS("\n");
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF);
intel_panel_disable_backlight(intel_dsi->attached_connector);
intel_panel_disable_backlight(old_conn_state);
/*
* Disable Device ready before the port shutdown in order