summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display/intel_dp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 0a424bf69396..b5e2508db1cf 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -29,6 +29,7 @@
#include <linux/i2c.h>
#include <linux/notifier.h>
#include <linux/slab.h>
+#include <linux/timekeeping.h>
#include <linux/types.h>
#include <asm/byteorder.h>
@@ -46,6 +47,7 @@
#include "intel_audio.h"
#include "intel_backlight.h"
#include "intel_connector.h"
+#include "intel_crtc.h"
#include "intel_ddi.h"
#include "intel_de.h"
#include "intel_display_types.h"
@@ -2010,6 +2012,16 @@ intel_edp_init_source_oui(struct intel_dp *intel_dp, bool careful)
if (drm_dp_dpcd_write(&intel_dp->aux, DP_SOURCE_OUI, oui, sizeof(oui)) < 0)
drm_err(&i915->drm, "Failed to write source OUI\n");
+
+ intel_dp->last_oui_write = jiffies;
+}
+
+void intel_dp_wait_source_oui(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ drm_dbg_kms(&i915->drm, "Performing OUI wait\n");
+ wait_remaining_ms_from_jiffies(intel_dp->last_oui_write, 30);
}
/* If the device supports it, try to set the power state appropriately */
@@ -3894,7 +3906,7 @@ int intel_dp_retrain_link(struct intel_encoder *encoder,
to_intel_crtc_state(crtc->base.state);
/* Keep underrun reporting disabled until things are stable */
- intel_wait_for_vblank(dev_priv, crtc->pipe);
+ intel_crtc_wait_for_next_vblank(crtc);
intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true);
if (crtc_state->has_pch_encoder)