drm/i915: Use intel_ddi_get_config() for MST

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Eliminate the partially duplicated DDI readout code from MST, and
instead just call intel_ddi_get_config(). As a nice bonus we get
more cross checking as intel_ddi_get_config() will populate
output_types based on the actual mode of the DDI port.

Additonally intel_ddi_get_config() must be changed to get the crtc
from the passed in crtc state rather than from the encoder->crtc link.
encoder->crtc really shouldn't be used anyway.

v2: Rebased on BXT MST latency_optim fix
    Make intel_ddi_clock_get() static

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171027193128.14483-7-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

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This commit is contained in:

Ville Syrjälä 2017-10-27 22:31:28 +03:00

parent 1939ba51fd

commit 35686a44e4

3 changed files with 4 additions and 54 deletions

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6

drivers/gpu/drm/i915/intel_ddi.c

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50

drivers/gpu/drm/i915/intel_dp_mst.c

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2

drivers/gpu/drm/i915/intel_drv.h

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