[PATCH v4 0/3]

[PATCH v4 0/3]

[Murali Karicheri]

This patch series enable accumulator queue support for K2 SoCs. Accumulator
queues are a type of qmss queue that is monitored by the PDSP firmware and
accumulated. Host is interrupted by PDSP firmware when packets become
available in a ring buffer shared between the host and PDSP.

There was an issue raised when merging the original patch set at
 (1) https://lkml.org/lkml/2015/9/4/681
	[PATCH v1 1/2] soc: ti: display firmware file name as part of boot log
 (2) https://lkml.org/lkml/2015/9/4/680
	[PATCH v1 2/2] ARM: dts: keystone: enable accumulator channels

This series fixes the issues raised against v3. Maintainer, could you please
apply this series to v4.4 next please at your earliest opportunity.

Change Log
==========
v4
	- collected Acked-by from Arnd Bergmann against 1/3
v3
	- Added Arnd's Acked-by against 2/4
	- 1/4 modified not to touch the DT documentation per Rob's comment.
	- Removed DTS update from the series per Santosh. Will send the same
	  as a separate patch
v2
	- Remove the firmware filename from DT and add it to the driver.
	  Use a name ks2_qmss_pdsp_acc48.bin. The idea is this can be a
	  soft link pointing to the real firmware file in file system.

	- Move the description of the driver design from DT document to one
	  under Documentation/arm/keystone/knav-qmss.txt. Update the this
	  document with location of acc firmware available under
	  linux-firmware.git.

	- Additionally added accumulator queue support optional so that lack
	  of firmware in the file system will not cause other queue types not
	  available due to driver probe failure.

Murali Karicheri (3):
  Documentation: dt: soc: Add description for knav qmss driver
  soc: ti: add firmware file name as part of the driver
  soc: ti: qmss: make acc queue support optional in the driver

 Documentation/arm/keystone/knav-qmss.txt           | 56 ++++++++++++++++++
 .../bindings/soc/ti/keystone-navigator-qmss.txt    |  1 -
 drivers/soc/ti/knav_qmss.h                         |  3 +-
 drivers/soc/ti/knav_qmss_acc.c                     | 10 +++-
 drivers/soc/ti/knav_qmss_queue.c                   | 67 ++++++++++++++--------
 5 files changed, 109 insertions(+), 28 deletions(-)
 create mode 100644 Documentation/arm/keystone/knav-qmss.txt

-- 
1.9.1

[PATCH v4 1/3] Documentation: dt: soc: Add description for knav qmss driver

[Murali Karicheri]

Add a documentation for knav qmss driver.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
---
 v4: added Arnd's Acked-by

 Documentation/arm/keystone/knav-qmss.txt | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/arm/keystone/knav-qmss.txt

diff --git a/Documentation/arm/keystone/knav-qmss.txt b/Documentation/arm/keystone/knav-qmss.txt
new file mode 100644
index 0000000..79946d1
--- /dev/null
+++ b/Documentation/arm/keystone/knav-qmss.txt
@@ -0,0 +1,24 @@
+* Texas Instruments Keystone Navigator Queue Management SubSystem driver
+
+Driver source code path
+  drivers/soc/ti/knav_qmss.c
+  drivers/soc/ti/knav_qmss_acc.c
+
+The QMSS (Queue Manager Sub System) found on Keystone SOCs is one of
+the main hardware sub system which forms the backbone of the Keystone
+multi-core Navigator. QMSS consist of queue managers, packed-data structure
+processors(PDSP), linking RAM, descriptor pools and infrastructure
+Packet DMA.
+The Queue Manager is a hardware module that is responsible for accelerating
+management of the packet queues. Packets are queued/de-queued by writing or
+reading descriptor address to a particular memory mapped location. The PDSPs
+perform QMSS related functions like accumulation, QoS, or event management.
+Linking RAM registers are used to link the descriptors which are stored in
+descriptor RAM. Descriptor RAM is configurable as internal or external memory.
+The QMSS driver manages the PDSP setups, linking RAM regions,
+queue pool management (allocation, push, pop and notify) and descriptor
+pool management.
+
+knav qmss driver provides a set of APIs to drivers to open/close qmss queues,
+allocate descriptor pools, map the descriptors, push/pop to queues etc. For
+details of the available APIs, please refers to include/linux/soc/ti/knav_qmss.h
-- 
1.9.1

[PATCH v4 2/3] soc: ti: add firmware file name as part of the driver

[Murali Karicheri]

Currently firmware file name is included in the DTS. This is not scalable
as user has to change the DTS if they need upgrade to a new firmware.
Instead, add the firmware file name in the driver itself. As long as there
is no API change, new firmware upgrade is easy and require no driver
change. User is expected to copy the firmware image to the file system
and add a sym link to the new firmware for doing an upgrade. Driver add
a array of firmware file names to search for the available firmware blobs.
This scheme also prepare the driver for future changes to API if ever
happens. In such case it is assumed that driver needs to change to
accommodate the new firmware and new firmware file name will get added to
the array.

Also update the DT document to remove the firmware attribute and add
description about firmware in the driver documentation.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
 v4: no change from v3
 Documentation/arm/keystone/knav-qmss.txt           | 26 ++++++++++++
 .../bindings/soc/ti/keystone-navigator-qmss.txt    |  1 -
 drivers/soc/ti/knav_qmss.h                         |  1 -
 drivers/soc/ti/knav_qmss_queue.c                   | 47 +++++++++++++---------
 4 files changed, 54 insertions(+), 21 deletions(-)

diff --git a/Documentation/arm/keystone/knav-qmss.txt b/Documentation/arm/keystone/knav-qmss.txt
index 79946d1..da34a5b 100644
--- a/Documentation/arm/keystone/knav-qmss.txt
+++ b/Documentation/arm/keystone/knav-qmss.txt
@@ -22,3 +22,29 @@ pool management.
 knav qmss driver provides a set of APIs to drivers to open/close qmss queues,
 allocate descriptor pools, map the descriptors, push/pop to queues etc. For
 details of the available APIs, please refers to include/linux/soc/ti/knav_qmss.h
+
+DT documentation is available at
+Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
+
+Accumulator QMSS queues using PDSP firmware
+============================================
+The QMSS PDSP firmware support accumulator channel that can monitor a single
+queue or multiple contiguous queues. drivers/soc/ti/knav_qmss_acc.c is the
+driver that interface with the accumulator PDSP. This configures
+accumulator channels defined in DTS (example in DT documentation) to monitor
+1 or 32 queues per channel. More description on the firmware is available in
+CPPI/QMSS Low Level Driver document (docs/CPPI_QMSS_LLD_SDS.pdf) at
+	git://git.ti.com/keystone-rtos/qmss-lld.git
+
+k2_qmss_pdsp_acc48_k2_le_1_0_0_9.bin firmware supports upto 48 accumulator
+channels. This firmware is available under ti-keystone folder of
+firmware.git at
+   git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
+
+To use copy the firmware image to lib/firmware folder of the initramfs or
+ubifs file system and provide a sym link to k2_qmss_pdsp_acc48_k2_le_1_0_0_9.bin
+in the file system and boot up the kernel. User would see
+
+ "firmware file ks2_qmss_pdsp_acc48.bin downloaded for PDSP"
+
+in the boot up log if loading of firmware to PDSP is successful.
diff --git a/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt b/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
index d8e8cdb..d1ce21a 100644
--- a/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
+++ b/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt
@@ -221,7 +221,6 @@ qmss: qmss@2a40000 {
 		#size-cells = <1>;
 		ranges;
 		pdsp0@0x2a10000 {
-			firmware = "keystone/qmss_pdsp_acc48_k2_le_1_0_0_8.fw";
 			reg = <0x2a10000 0x1000>,
 			      <0x2a0f000 0x100>,
 			      <0x2a0c000 0x3c8>,
diff --git a/drivers/soc/ti/knav_qmss.h b/drivers/soc/ti/knav_qmss.h
index 51da234..c31b8d8 100644
--- a/drivers/soc/ti/knav_qmss.h
+++ b/drivers/soc/ti/knav_qmss.h
@@ -135,7 +135,6 @@ struct knav_pdsp_info {
 	};
 	void __iomem					*intd;
 	u32 __iomem					*iram;
-	const char					*firmware;
 	u32						id;
 	struct list_head				list;
 };
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index 6d8646d..06d9de8 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -68,6 +68,12 @@ static DEFINE_MUTEX(knav_dev_lock);
 	     idx < (kdev)->num_queues_in_use;			\
 	     idx++, inst = knav_queue_idx_to_inst(kdev, idx))
 
+/* All firmware file names end up here. List the firmware file names below.
+ * Newest followed by older ones. Search is done from start of the array
+ * until a firmware file is found.
+ */
+const char *knav_acc_firmwares[] = {"ks2_qmss_pdsp_acc48.bin"};
+
 /**
  * knav_queue_notify: qmss queue notfier call
  *
@@ -1439,7 +1445,6 @@ static int knav_queue_init_pdsps(struct knav_device *kdev,
 	struct device *dev = kdev->dev;
 	struct knav_pdsp_info *pdsp;
 	struct device_node *child;
-	int ret;
 
 	for_each_child_of_node(pdsps, child) {
 		pdsp = devm_kzalloc(dev, sizeof(*pdsp), GFP_KERNEL);
@@ -1448,17 +1453,6 @@ static int knav_queue_init_pdsps(struct knav_device *kdev,
 			return -ENOMEM;
 		}
 		pdsp->name = knav_queue_find_name(child);
-		ret = of_property_read_string(child, "firmware",
-					      &pdsp->firmware);
-		if (ret < 0 || !pdsp->firmware) {
-			dev_err(dev, "unknown firmware for pdsp %s\n",
-				pdsp->name);
-			devm_kfree(dev, pdsp);
-			continue;
-		}
-		dev_dbg(dev, "pdsp name %s fw name :%s\n", pdsp->name,
-			pdsp->firmware);
-
 		pdsp->iram =
 			knav_queue_map_reg(kdev, child,
 					   KNAV_QUEUE_PDSP_IRAM_REG_INDEX);
@@ -1489,9 +1483,9 @@ static int knav_queue_init_pdsps(struct knav_device *kdev,
 		}
 		of_property_read_u32(child, "id", &pdsp->id);
 		list_add_tail(&pdsp->list, &kdev->pdsps);
-		dev_dbg(dev, "added pdsp %s: command %p, iram %p, regs %p, intd %p, firmware %s\n",
+		dev_dbg(dev, "added pdsp %s: command %p, iram %p, regs %p, intd %p\n",
 			pdsp->name, pdsp->command, pdsp->iram, pdsp->regs,
-			pdsp->intd, pdsp->firmware);
+			pdsp->intd);
 	}
 	return 0;
 }
@@ -1518,14 +1512,29 @@ static int knav_queue_load_pdsp(struct knav_device *kdev,
 {
 	int i, ret, fwlen;
 	const struct firmware *fw;
+	bool found = false;
 	u32 *fwdata;
 
-	ret = request_firmware(&fw, pdsp->firmware, kdev->dev);
-	if (ret) {
-		dev_err(kdev->dev, "failed to get firmware %s for pdsp %s\n",
-			pdsp->firmware, pdsp->name);
-		return ret;
+	for (i = 0; i < ARRAY_SIZE(knav_acc_firmwares); i++) {
+		if (knav_acc_firmwares[i]) {
+			ret = request_firmware(&fw,
+					       knav_acc_firmwares[i],
+					       kdev->dev);
+			if (!ret) {
+				found = true;
+				break;
+			}
+		}
+	}
+
+	if (!found) {
+		dev_err(kdev->dev, "failed to get firmware for pdsp\n");
+		return -ENODEV;
 	}
+
+	dev_info(kdev->dev, "firmware file %s downloaded for PDSP\n",
+		 knav_acc_firmwares[i]);
+
 	writel_relaxed(pdsp->id + 1, pdsp->command + 0x18);
 	/* download the firmware */
 	fwdata = (u32 *)fw->data;
-- 
1.9.1

[PATCH v4 3/3] soc: ti: qmss: make acc queue support optional in the driver

[Murali Karicheri]

acc channels are available only if accumulator PDSP is loaded and
running in the SoC. As this requires firmware and user may not have
firmware in the file system, make the accumulator queue support
available in qmss driver optional. To use accumulator queus user needs
to add firmware to the file system and boot up kernel.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
---
 v4: no change from v3
 Documentation/arm/keystone/knav-qmss.txt |  6 ++++++
 drivers/soc/ti/knav_qmss.h               |  2 ++
 drivers/soc/ti/knav_qmss_acc.c           | 10 ++++++++--
 drivers/soc/ti/knav_qmss_queue.c         | 20 +++++++++++++++-----
 4 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/Documentation/arm/keystone/knav-qmss.txt b/Documentation/arm/keystone/knav-qmss.txt
index da34a5b..fcdb9fd 100644
--- a/Documentation/arm/keystone/knav-qmss.txt
+++ b/Documentation/arm/keystone/knav-qmss.txt
@@ -48,3 +48,9 @@ in the file system and boot up the kernel. User would see
  "firmware file ks2_qmss_pdsp_acc48.bin downloaded for PDSP"
 
 in the boot up log if loading of firmware to PDSP is successful.
+
+Use of accumulated queues requires the firmware image to be present in the
+file system. The driver doesn't acc queues to the supported queue range if
+PDSP is not running in the SoC. The API call fails if there is a queue open
+request to an acc queue and PDSP is not running. So make sure to copy firmware
+to file system before using these queue types.
diff --git a/drivers/soc/ti/knav_qmss.h b/drivers/soc/ti/knav_qmss.h
index c31b8d8..6ff936c 100644
--- a/drivers/soc/ti/knav_qmss.h
+++ b/drivers/soc/ti/knav_qmss.h
@@ -137,6 +137,8 @@ struct knav_pdsp_info {
 	u32 __iomem					*iram;
 	u32						id;
 	struct list_head				list;
+	bool						loaded;
+	bool						started;
 };
 
 struct knav_qmgr_info {
diff --git a/drivers/soc/ti/knav_qmss_acc.c b/drivers/soc/ti/knav_qmss_acc.c
index b98fe56..d2d48f2 100644
--- a/drivers/soc/ti/knav_qmss_acc.c
+++ b/drivers/soc/ti/knav_qmss_acc.c
@@ -486,8 +486,8 @@ struct knav_range_ops knav_acc_range_ops = {
  * Return 0 on success or error
  */
 int knav_init_acc_range(struct knav_device *kdev,
-				struct device_node *node,
-				struct knav_range_info *range)
+			struct device_node *node,
+			struct knav_range_info *range)
 {
 	struct knav_acc_channel *acc;
 	struct knav_pdsp_info *pdsp;
@@ -530,6 +530,12 @@ int knav_init_acc_range(struct knav_device *kdev,
 		return -EINVAL;
 	}
 
+	if (!pdsp->started) {
+		dev_err(kdev->dev, "pdsp id %d not started for range %s\n",
+			info->pdsp_id, range->name);
+		return -ENODEV;
+	}
+
 	info->pdsp = pdsp;
 	channels = range->num_queues;
 	if (of_get_property(node, "multi-queue", NULL)) {
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index 06d9de8..f3a0b6a 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -1504,6 +1504,8 @@ static int knav_queue_stop_pdsp(struct knav_device *kdev,
 		dev_err(kdev->dev, "timed out on pdsp %s stop\n", pdsp->name);
 		return ret;
 	}
+	pdsp->loaded = false;
+	pdsp->started = false;
 	return 0;
 }
 
@@ -1592,16 +1594,24 @@ static int knav_queue_start_pdsps(struct knav_device *kdev)
 	int ret;
 
 	knav_queue_stop_pdsps(kdev);
-	/* now load them all */
+	/* now load them all. We return success even if pdsp
+	 * is not loaded as acc channels are optional on having
+	 * firmware availability in the system. We set the loaded
+	 * and stated flag and when initialize the acc range, check
+	 * it and init the range only if pdsp is started.
+	 */
 	for_each_pdsp(kdev, pdsp) {
 		ret = knav_queue_load_pdsp(kdev, pdsp);
-		if (ret < 0)
-			return ret;
+		if (!ret)
+			pdsp->loaded = true;
 	}
 
 	for_each_pdsp(kdev, pdsp) {
-		ret = knav_queue_start_pdsp(kdev, pdsp);
-		WARN_ON(ret);
+		if (pdsp->loaded) {
+			ret = knav_queue_start_pdsp(kdev, pdsp);
+			if (!ret)
+				pdsp->started = true;
+		}
 	}
 	return 0;
 }
-- 
1.9.1

Re: [PATCH v4 0/3]

[santosh shilimkar]

10/14/2015 7:17 AM, Murali Karicheri wrote:
> This patch series enable accumulator queue support for K2 SoCs. Accumulator
> queues are a type of qmss queue that is monitored by the PDSP firmware and
> accumulated. Host is interrupted by PDSP firmware when packets become
> available in a ring buffer shared between the host and PDSP.
>
> There was an issue raised when merging the original patch set at
>   (1) https://lkml.org/lkml/2015/9/4/681
> 	[PATCH v1 1/2] soc: ti: display firmware file name as part of boot log
>   (2) https://lkml.org/lkml/2015/9/4/680
> 	[PATCH v1 2/2] ARM: dts: keystone: enable accumulator channels
>
> This series fixes the issues raised against v3. Maintainer, could you please
> apply this series to v4.4 next please at your earliest opportunity.
>
I have picked up the series. Thanks for quick turnaround.

Regards,
Santosh

Re: [PATCH v4 0/3]

[Murali Karicheri]

On 10/14/2015 11:41 AM, santosh shilimkar wrote:
> 10/14/2015 7:17 AM, Murali Karicheri wrote:
>> This patch series enable accumulator queue support for K2 SoCs.
>> Accumulator
>> queues are a type of qmss queue that is monitored by the PDSP firmware
>> and
>> accumulated. Host is interrupted by PDSP firmware when packets become
>> available in a ring buffer shared between the host and PDSP.
>>
>> There was an issue raised when merging the original patch set at
>>   (1) https://lkml.org/lkml/2015/9/4/681
>>     [PATCH v1 1/2] soc: ti: display firmware file name as part of boot
>> log
>>   (2) https://lkml.org/lkml/2015/9/4/680
>>     [PATCH v1 2/2] ARM: dts: keystone: enable accumulator channels
>>
>> This series fixes the issues raised against v3. Maintainer, could you
>> please
>> apply this series to v4.4 next please at your earliest opportunity.
>>
> I have picked up the series. Thanks for quick turnaround.

Thanks Santosh. Could you send this pull request for v4.4 next. We want 
this merged to our internal release and if this is on next branch it 
will help.

Thanks

Murali
>
> Regards,
> Santosh
>
>


-- 
Murali Karicheri
Linux Kernel, Keystone

Re: [PATCH v4 0/3]

[santosh shilimkar]

On 10/15/2015 9:02 AM, Murali Karicheri wrote:
> On 10/14/2015 11:41 AM, santosh shilimkar wrote:
>> 10/14/2015 7:17 AM, Murali Karicheri wrote:
>>> This patch series enable accumulator queue support for K2 SoCs.
>>> Accumulator
>>> queues are a type of qmss queue that is monitored by the PDSP firmware
>>> and
>>> accumulated. Host is interrupted by PDSP firmware when packets become
>>> available in a ring buffer shared between the host and PDSP.
>>>
>>> There was an issue raised when merging the original patch set at
>>>   (1) https://lkml.org/lkml/2015/9/4/681
>>>     [PATCH v1 1/2] soc: ti: display firmware file name as part of boot
>>> log
>>>   (2) https://lkml.org/lkml/2015/9/4/680
>>>     [PATCH v1 2/2] ARM: dts: keystone: enable accumulator channels
>>>
>>> This series fixes the issues raised against v3. Maintainer, could you
>>> please
>>> apply this series to v4.4 next please at your earliest opportunity.
>>>
>> I have picked up the series. Thanks for quick turnaround.
>
> Thanks Santosh. Could you send this pull request for v4.4 next. We want
> this merged to our internal release and if this is on next branch it
> will help.
>
It should be already in linux-next and pull request was sent before I
replied yesterday. Its late for the merge window with usual norms
so lets see if it makes it.

Regards,
Santosh
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Re: [PATCH v4 0/3]

[Murali Karicheri]

On 10/15/2015 12:21 PM, santosh shilimkar wrote:
> On 10/15/2015 9:02 AM, Murali Karicheri wrote:
>> On 10/14/2015 11:41 AM, santosh shilimkar wrote:
>>> 10/14/2015 7:17 AM, Murali Karicheri wrote:
>>>> This patch series enable accumulator queue support for K2 SoCs.
>>>> Accumulator
>>>> queues are a type of qmss queue that is monitored by the PDSP firmware
>>>> and
>>>> accumulated. Host is interrupted by PDSP firmware when packets become
>>>> available in a ring buffer shared between the host and PDSP.
>>>>
>>>> There was an issue raised when merging the original patch set at
>>>>   (1) https://lkml.org/lkml/2015/9/4/681
>>>>     [PATCH v1 1/2] soc: ti: display firmware file name as part of boot
>>>> log
>>>>   (2) https://lkml.org/lkml/2015/9/4/680
>>>>     [PATCH v1 2/2] ARM: dts: keystone: enable accumulator channels
>>>>
>>>> This series fixes the issues raised against v3. Maintainer, could you
>>>> please
>>>> apply this series to v4.4 next please at your earliest opportunity.
>>>>
>>> I have picked up the series. Thanks for quick turnaround.
>>
>> Thanks Santosh. Could you send this pull request for v4.4 next. We want
>> this merged to our internal release and if this is on next branch it
>> will help.
>>
> It should be already in linux-next and pull request was sent before I
> replied yesterday. Its late for the merge window with usual norms
> so lets see if it makes it.
Santosh,

I see both driver and DTS. Thanks once again for your support

Regards,

Murali
>
> Regards,
> Santosh
>
>


-- 
Murali Karicheri
Linux Kernel, Keystone

[PATCH v4 0/3]

[Jeykumar Sankaran]

Reviving the patch posted by Sean initially.

This patch set adds MDSS and DSI nodes to SDM845 dtsi to enable display. The
patches are tested on SDM845 MTP platform using the kernel based on [1].

Part of the dependent drivers are already posted on list. Rest of the
dependencies are met using using downstream version of the driver(s) which are
yet to make it to the list. 

References to the driver patches used for testing:

display controller: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/arch/arm64/boot/dts/qcom/sdm845.dtsi?id=40019e8452fe76867bdb2e7
WLED: https://patchwork.kernel.org/project/linux-arm-msm/list/?series=11023&archive=both&state=*
Panel: https://patchwork.freedesktop.org/series/50657/
iommu: https://patchwork.kernel.org/patch/10534999/

[1] https://git.linaro.org/landing-teams/working/qualcomm/kernel.git/log/?h=integration-linux-qcomlt

Thanks and Regards,
Jeykumar S.

Changes in v4:
	- changes to add pinctrl nodes to SoC dts and display nodes to MTP
	  are included in the series
	- clock name clean up in dsi nodes
	- move around added nodes to maintain naming orders

Jeykumar Sankaran (3):
  arm64: dts: qcom: sdm845: Add dpu to sdm845 dts file
  arm64: dts: sdm845: Add dsi pinctrl nodes
  arm64: dts: sdm845: Add display nodes to MTP dts

 arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 124 +++++++++++++++++++
 arch/arm64/boot/dts/qcom/sdm845.dtsi    | 205 ++++++++++++++++++++++++++++++++
 2 files changed, 329 insertions(+)

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