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drm/i915/dp: remove DPMS mode tracking from DP

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We currently use this when a hot plug event is received, only checking
the link status and re-training if we had previously configured a link.
However if we want to preserve the DP configuration across both hot plug
and DPMS events (which we do for userspace apps that don't respond to
hot plug uevents), we need to unconditionally check the link and try to
bring it up on hot plug.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes 2011-07-07 11:11:01 -07:00 committed by Keith Packard
parent 899526d9a7
commit 885a50147f
1 changed files with 1 additions and 5 deletions
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6
drivers/gpu/drm/i915/intel_dp.c
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@ -50,7 +50,6 @@ struct intel_dp {
bool has_audio;
int force_audio;
uint32_t color_range;
int dpms_mode;
uint8_t link_bw;
uint8_t lane_count;
uint8_t dpcd[4];
@ -1010,7 +1009,6 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
if (is_edp(intel_dp))
ironlake_edp_backlight_on(dev);
}
intel_dp->dpms_mode = mode;
}
/*
@ -1813,8 +1811,7 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder)
{
struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
if (intel_dp->dpms_mode == DRM_MODE_DPMS_ON)
intel_dp_check_link_status(intel_dp);
intel_dp_check_link_status(intel_dp);
}
/* Return which DP Port should be selected for Transcoder DP control */
@ -1882,7 +1879,6 @@ intel_dp_init(struct drm_device *dev, int output_reg)
return;
intel_dp->output_reg = output_reg;
intel_dp->dpms_mode = -1;
intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
if (!intel_connector) {