xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915: Track active streams also for DP SST

Browse Source 
s/active_mst_links/active_streams/ and use it also for SST. We can then
use this information in the hpd handling to see if the link is active
or not, and thus whether we may need to retrain.

Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Jim Bride <jim.bride@linux.intel.com>
Cc: Manasi D Navare <manasi.d.navare@intel.com>
Cc: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1469717448-4297-6-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä
2016-07-28 17:50:41 +03:00
parent 477321e013
commit f64425a82b
4 changed files with 26 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/i915/intel_ddi.c
View File

@@ -1641,6 +1641,9 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
intel_ddi_init_dp_buf_reg(intel_encoder);
WARN_ON(intel_dp->active_streams != 0);
intel_dp->active_streams++;
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
intel_dp_start_link_train(intel_dp);
if (port != PORT_A || INTEL_INFO(dev_priv)->gen >= 9)
@@ -1767,6 +1770,13 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder)
intel_psr_disable(intel_dp);
intel_edp_backlight_off(intel_dp);
}
if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
intel_dp->active_streams--;
WARN_ON(intel_dp->active_streams != 0);
}
}
bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,