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drm/i915: Use DP_LINK_RATE_SET whenever possible 

Drop the gen9 checks from the code and issue DP_LINK_RATE_SET whenever
the sink reports to support it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-03-12 17:10:35 +02:00 committed by Daniel Vetter
parent 50fec21a7d
commit bc27b7d3f0
1 changed files with 7 additions and 6 deletions
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13
drivers/gpu/drm/i915/intel_dp.c
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@ -1371,14 +1371,15 @@ found:
intel_dp->lane_count = lane_count;
intel_dp->link_bw =
drm_dp_link_rate_to_bw_code(supported_rates[clock]);
if (INTEL_INFO(dev)->gen >= 9 && intel_dp->supported_rates[0]) {
if (intel_dp->num_supported_rates) {
intel_dp->link_bw = 0;
intel_dp->rate_select =
rate_to_index(supported_rates[clock],
intel_dp->supported_rates);
intel_dp->link_bw = 0;
} else {
intel_dp->link_bw =
drm_dp_link_rate_to_bw_code(supported_rates[clock]);
intel_dp->rate_select = 0;
}
pipe_config->pipe_bpp = bpp;
@ -3492,7 +3493,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
link_config[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_BW_SET, link_config, 2);
if (INTEL_INFO(dev)->gen >= 9 && intel_dp->supported_rates[0])
if (intel_dp->num_supported_rates)
drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_RATE_SET,
&intel_dp->rate_select, 1);