Merge tag 'drm-intel-fixes-2013-11-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-next

Bit a bit -fixes pull request in the merge window than usual dua to two
feauture-y things:
- Display CRCs are now enabled on all platforms, including the odd DP case
  on gm45/vlv. Since this is a testing-only feature it should ever hurt,
  but I figured it'll help with regression-testing -fixes. So I left it
  in and didn't postpone it to 3.14.
- Display power well refactoring from Imre. Would have caused major pain
  conflict with the bdw stage 1 patches if I'd postpone this to -next.
  It's only an relatively small interface rework, so shouldn't cause pain.
  It's also been in my tree since almost 3 weeks already.

That accounts for about two thirds of the pull, otherwise just bugfixes:
- vlv backlight fix from Jesse/Jani
- vlv vblank timestamp fix from Jesse
- improved edp detection through vbt from Ville (fixes a vlv issue)
- eDP vdd fix from Paulo
- fixes for dvo lvds on i830M
- a few smaller things all over

Note: This contains a backmerge of v3.12. Since the -internal branch
always applied on top of -nightly I need that unified base to merge bdw
patches. So you'll get a conflict with radeon connector props when pulling
this (and nouveau/master will also conflict a bit when Ben doesn't
rebase). The backmerge itself only had conflicts in drm/i915.

There's also a tiny conflict between Jani's backlight fix and your sysfs
lifetime fix in drm-next.

* tag 'drm-intel-fixes-2013-11-07' of git://people.freedesktop.org/~danvet/drm-intel: (940 commits)
  drm/i915/vlv: use per-pipe backlight controls v2
  drm/i915: make backlight functions take a connector
  drm/i915: move opregion asle request handling to a work queue
  drm/i915/vlv: use PIPE_START_VBLANK interrupts on VLV
  drm/i915: Make intel_dp_is_edp() less specific
  drm/i915: Give names to the VBT child device type bits
  drm/i915/vlv: enable HDA display audio for Valleyview2
  drm/i915/dvo: call ->mode_set callback only when the port is running
  drm/i915: avoid unclaimed registers when capturing the error state
  drm/i915: Enable DP port CRC for the "auto" source on g4x/vlv
  drm/i915: scramble reset support for DP port CRC on vlv
  drm/i915: scramble reset support for DP port CRC on g4x
  drm/i916: add "auto" pipe CRC source
  ...

Conflicts:
	MAINTAINERS
	drivers/gpu/drm/i915/intel_panel.c
	drivers/gpu/drm/nouveau/core/subdev/mc/base.c
	drivers/gpu/drm/radeon/atombios_encoders.c
	drivers/gpu/drm/radeon/radeon_connectors.c

7 files changed, 87 insertions, 41 deletions

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 5adb2042e82..cee7e2708a1 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2077,6 +2077,7 @@ dasd_eckd_build_format(struct dasd_device *base,
 	int intensity = 0;
 	int r0_perm;
 	int nr_tracks;
+	int use_prefix;
 
 	startdev = dasd_alias_get_start_dev(base);
 	if (!startdev)
@@ -2106,28 +2107,46 @@ dasd_eckd_build_format(struct dasd_device *base,
 		intensity = fdata->intensity;
 	}
 
+	use_prefix = base_priv->features.feature[8] & 0x01;
+
 	switch (intensity) {
 	case 0x00:	/* Normal format */
 	case 0x08:	/* Normal format, use cdl. */
 		cplength = 2 + (rpt*nr_tracks);
-		datasize = sizeof(struct PFX_eckd_data) +
-			sizeof(struct LO_eckd_data) +
-			rpt * nr_tracks * sizeof(struct eckd_count);
+		if (use_prefix)
+			datasize = sizeof(struct PFX_eckd_data) +
+				sizeof(struct LO_eckd_data) +
+				rpt * nr_tracks * sizeof(struct eckd_count);
+		else
+			datasize = sizeof(struct DE_eckd_data) +
+				sizeof(struct LO_eckd_data) +
+				rpt * nr_tracks * sizeof(struct eckd_count);
 		break;
 	case 0x01:	/* Write record zero and format track. */
 	case 0x09:	/* Write record zero and format track, use cdl. */
 		cplength = 2 + rpt * nr_tracks;
-		datasize = sizeof(struct PFX_eckd_data) +
-			sizeof(struct LO_eckd_data) +
-			sizeof(struct eckd_count) +
-			rpt * nr_tracks * sizeof(struct eckd_count);
+		if (use_prefix)
+			datasize = sizeof(struct PFX_eckd_data) +
+				sizeof(struct LO_eckd_data) +
+				sizeof(struct eckd_count) +
+				rpt * nr_tracks * sizeof(struct eckd_count);
+		else
+			datasize = sizeof(struct DE_eckd_data) +
+				sizeof(struct LO_eckd_data) +
+				sizeof(struct eckd_count) +
+				rpt * nr_tracks * sizeof(struct eckd_count);
 		break;
 	case 0x04:	/* Invalidate track. */
 	case 0x0c:	/* Invalidate track, use cdl. */
 		cplength = 3;
-		datasize = sizeof(struct PFX_eckd_data) +
-			sizeof(struct LO_eckd_data) +
-			sizeof(struct eckd_count);
+		if (use_prefix)
+			datasize = sizeof(struct PFX_eckd_data) +
+				sizeof(struct LO_eckd_data) +
+				sizeof(struct eckd_count);
+		else
+			datasize = sizeof(struct DE_eckd_data) +
+				sizeof(struct LO_eckd_data) +
+				sizeof(struct eckd_count);
 		break;
 	default:
 		dev_warn(&startdev->cdev->dev,
@@ -2147,14 +2166,25 @@ dasd_eckd_build_format(struct dasd_device *base,
 
 	switch (intensity & ~0x08) {
 	case 0x00: /* Normal format. */
-		prefix(ccw++, (struct PFX_eckd_data *) data,
-		       fdata->start_unit, fdata->stop_unit,
-		       DASD_ECKD_CCW_WRITE_CKD, base, startdev);
-		/* grant subsystem permission to format R0 */
-		if (r0_perm)
-			((struct PFX_eckd_data *)data)
-				->define_extent.ga_extended |= 0x04;
-		data += sizeof(struct PFX_eckd_data);
+		if (use_prefix) {
+			prefix(ccw++, (struct PFX_eckd_data *) data,
+			       fdata->start_unit, fdata->stop_unit,
+			       DASD_ECKD_CCW_WRITE_CKD, base, startdev);
+			/* grant subsystem permission to format R0 */
+			if (r0_perm)
+				((struct PFX_eckd_data *)data)
+					->define_extent.ga_extended |= 0x04;
+			data += sizeof(struct PFX_eckd_data);
+		} else {
+			define_extent(ccw++, (struct DE_eckd_data *) data,
+				      fdata->start_unit, fdata->stop_unit,
+				      DASD_ECKD_CCW_WRITE_CKD, startdev);
+			/* grant subsystem permission to format R0 */
+			if (r0_perm)
+				((struct DE_eckd_data *) data)
+					->ga_extended |= 0x04;
+			data += sizeof(struct DE_eckd_data);
+		}
 		ccw[-1].flags |= CCW_FLAG_CC;
 		locate_record(ccw++, (struct LO_eckd_data *) data,
 			      fdata->start_unit, 0, rpt*nr_tracks,
@@ -2163,11 +2193,18 @@ dasd_eckd_build_format(struct dasd_device *base,
 		data += sizeof(struct LO_eckd_data);
 		break;
 	case 0x01: /* Write record zero + format track. */
-		prefix(ccw++, (struct PFX_eckd_data *) data,
-		       fdata->start_unit, fdata->stop_unit,
-		       DASD_ECKD_CCW_WRITE_RECORD_ZERO,
-		       base, startdev);
-		data += sizeof(struct PFX_eckd_data);
+		if (use_prefix) {
+			prefix(ccw++, (struct PFX_eckd_data *) data,
+			       fdata->start_unit, fdata->stop_unit,
+			       DASD_ECKD_CCW_WRITE_RECORD_ZERO,
+			       base, startdev);
+			data += sizeof(struct PFX_eckd_data);
+		} else {
+			define_extent(ccw++, (struct DE_eckd_data *) data,
+			       fdata->start_unit, fdata->stop_unit,
+			       DASD_ECKD_CCW_WRITE_RECORD_ZERO, startdev);
+			data += sizeof(struct DE_eckd_data);
+		}
 		ccw[-1].flags |= CCW_FLAG_CC;
 		locate_record(ccw++, (struct LO_eckd_data *) data,
 			      fdata->start_unit, 0, rpt * nr_tracks + 1,
@@ -2176,10 +2213,17 @@ dasd_eckd_build_format(struct dasd_device *base,
 		data += sizeof(struct LO_eckd_data);
 		break;
 	case 0x04: /* Invalidate track. */
-		prefix(ccw++, (struct PFX_eckd_data *) data,
-		       fdata->start_unit, fdata->stop_unit,
-		       DASD_ECKD_CCW_WRITE_CKD, base, startdev);
-		data += sizeof(struct PFX_eckd_data);
+		if (use_prefix) {
+			prefix(ccw++, (struct PFX_eckd_data *) data,
+			       fdata->start_unit, fdata->stop_unit,
+			       DASD_ECKD_CCW_WRITE_CKD, base, startdev);
+			data += sizeof(struct PFX_eckd_data);
+		} else {
+			define_extent(ccw++, (struct DE_eckd_data *) data,
+			       fdata->start_unit, fdata->stop_unit,
+			       DASD_ECKD_CCW_WRITE_CKD, startdev);
+			data += sizeof(struct DE_eckd_data);
+		}
 		ccw[-1].flags |= CCW_FLAG_CC;
 		locate_record(ccw++, (struct LO_eckd_data *) data,
 			      fdata->start_unit, 0, 1,
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index a3aa374799d..1fe264379e0 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -486,7 +486,7 @@ sclp_sync_wait(void)
 	timeout = 0;
 	if (timer_pending(&sclp_request_timer)) {
 		/* Get timeout TOD value */
-		timeout = get_tod_clock() +
+		timeout = get_tod_clock_fast() +
 			  sclp_tod_from_jiffies(sclp_request_timer.expires -
 						jiffies);
 	}
@@ -508,7 +508,7 @@ sclp_sync_wait(void)
 	while (sclp_running_state != sclp_running_state_idle) {
 		/* Check for expired request timer */
 		if (timer_pending(&sclp_request_timer) &&
-		    get_tod_clock() > timeout &&
+		    get_tod_clock_fast() > timeout &&
 		    del_timer(&sclp_request_timer))
 			sclp_request_timer.function(sclp_request_timer.data);
 		cpu_relax();
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 8cd34bf644b..77df9cb0068 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void)
 
 	if (sccb->header.response_code != 0x20)
 		return 0;
-	if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))
-		return 1;
-	return 0;
+	if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))
+		return 0;
+	if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))
+		return 0;
+	return 1;
 }
 
 bool __init sclp_has_vt220(void)
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index a0f47c83fd6..3f4ca4e09a4 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -810,7 +810,7 @@ static void tty3270_resize_work(struct work_struct *work)
 	struct winsize ws;
 
 	screen = tty3270_alloc_screen(tp->n_rows, tp->n_cols);
-	if (!screen)
+	if (IS_ERR(screen))
 		return;
 	/* Switch to new output size */
 	spin_lock_bh(&tp->view.lock);
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index 9b3a24e8d3a..cf31d3321da 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -313,7 +313,7 @@ static int vmlogrdr_open (struct inode *inode, struct file *filp)
 	int ret;
 
 	dev_num = iminor(inode);
-	if (dev_num > MAXMINOR)
+	if (dev_num >= MAXMINOR)
 		return -ENODEV;
 	logptr = &sys_ser[dev_num];
 
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index d7da67a31c7..88e35d85d20 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -878,9 +878,9 @@ static void css_reset(void)
 			atomic_inc(&chpid_reset_count);
 	}
 	/* Wait for machine check for all channel paths. */
-	timeout = get_tod_clock() + (RCHP_TIMEOUT << 12);
+	timeout = get_tod_clock_fast() + (RCHP_TIMEOUT << 12);
 	while (atomic_read(&chpid_reset_count) != 0) {
-		if (get_tod_clock() > timeout)
+		if (get_tod_clock_fast() > timeout)
 			break;
 		cpu_relax();
 	}
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 8ed52aa4912..bbd3e511c77 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -338,10 +338,10 @@ again:
 		retries++;
 
 		if (!start_time) {
-			start_time = get_tod_clock();
+			start_time = get_tod_clock_fast();
 			goto again;
 		}
-		if ((get_tod_clock() - start_time) < QDIO_BUSY_BIT_PATIENCE)
+		if (get_tod_clock_fast() - start_time < QDIO_BUSY_BIT_PATIENCE)
 			goto again;
 	}
 	if (retries) {
@@ -504,7 +504,7 @@ static int get_inbound_buffer_frontier(struct qdio_q *q)
 	int count, stop;
 	unsigned char state = 0;
 
-	q->timestamp = get_tod_clock();
+	q->timestamp = get_tod_clock_fast();
 
 	/*
 	 * Don't check 128 buffers, as otherwise qdio_inbound_q_moved
@@ -595,7 +595,7 @@ static inline int qdio_inbound_q_done(struct qdio_q *q)
 	 * At this point we know, that inbound first_to_check
 	 * has (probably) not moved (see qdio_inbound_processing).
 	 */
-	if (get_tod_clock() > q->u.in.timestamp + QDIO_INPUT_THRESHOLD) {
+	if (get_tod_clock_fast() > q->u.in.timestamp + QDIO_INPUT_THRESHOLD) {
 		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "in done:%02x",
 			      q->first_to_check);
 		return 1;
@@ -728,7 +728,7 @@ static int get_outbound_buffer_frontier(struct qdio_q *q)
 	int count, stop;
 	unsigned char state = 0;
 
-	q->timestamp = get_tod_clock();
+	q->timestamp = get_tod_clock_fast();
 
 	if (need_siga_sync(q))
 		if (((queue_type(q) != QDIO_IQDIO_QFMT) &&