drm/i915: ensure HDMI port is disabled inside set_infoframes

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This function is supposed to be used at mode set time, so prevent
against future mistakes by adding a WARN().

Based on a patch by Paulo Zanoni, with the check extracted into a
little assert_hdmi_port_disabled helper added to make things self
documenting and move the assert stuff out of line.

[fixed up spelling goof-up while applying.]
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Daniel Vetter 2012-06-12 16:36:45 +02:00

parent 172cf15d18

commit afba018898

1 changed files with 23 additions and 0 deletions

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drivers/gpu/drm/i915/intel_hdmi.c

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