Commit e2a9f0a3 authored by Jani Nikula's avatar Jani Nikula
Browse files

Merge drm/drm-next into drm-intel-next 



Sync the drm-intel-gt-next changes back to drm-intel-next via drm-next.

Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parents 3e36c490 85d712f0

Documentation/block/index.rst

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@@ -18,7 +18,6 @@ Block 
   kyber-iosched

   null_blk

   pr

   request

   stat

   switching-sched

   writeback_cache_control

Documentation/block/request.rst

deleted100644 → 0
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============================

struct request documentation

============================



Jens Axboe <jens.axboe@oracle.com> 27/05/02





.. FIXME:

   No idea about what does mean - seems just some noise, so comment it



   1.0

   Index



   2.0 Struct request members classification



       2.1 struct request members explanation



   3.0





   2.0







Short explanation of request members

====================================



Classification flags:



	=	====================

	D	driver member

	B	block layer member

	I	I/O scheduler member

	=	====================



Unless an entry contains a D classification, a device driver must not access

this member. Some members may contain D classifications, but should only be

access through certain macros or functions (eg ->flags).



<linux/blkdev.h>



=============================== ======= =======================================

Member				Flag	Comment

=============================== ======= =======================================

struct list_head queuelist	BI	Organization on various internal

					queues



``void *elevator_private``	I	I/O scheduler private data



unsigned char cmd[16]		D	Driver can use this for setting up

					a cdb before execution, see

					blk_queue_prep_rq



unsigned long flags		DBI	Contains info about data direction,

					request type, etc.



int rq_status			D	Request status bits



kdev_t rq_dev			DBI	Target device



int errors			DB	Error counts



sector_t sector			DBI	Target location



unsigned long hard_nr_sectors	B	Used to keep sector sane



unsigned long nr_sectors	DBI	Total number of sectors in request



unsigned long hard_nr_sectors	B	Used to keep nr_sectors sane



unsigned short nr_phys_segments	DB	Number of physical scatter gather

					segments in a request



unsigned short nr_hw_segments	DB	Number of hardware scatter gather

					segments in a request



unsigned int current_nr_sectors	DB	Number of sectors in first segment

					of request



unsigned int hard_cur_sectors	B	Used to keep current_nr_sectors sane



int tag				DB	TCQ tag, if assigned



``void *special``		D	Free to be used by driver



``char *buffer``		D	Map of first segment, also see

					section on bouncing SECTION



``struct completion *waiting``	D	Can be used by driver to get signalled

					on request completion



``struct bio *bio``		DBI	First bio in request



``struct bio *biotail``		DBI	Last bio in request



``struct request_queue *q``	DB	Request queue this request belongs to



``struct request_list *rl``	B	Request list this request came from

=============================== ======= =======================================

Documentation/devicetree/bindings/display/bridge/fsl,ldb.yaml

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@@ -17,6 +17,7 @@ description: | 
properties:

  compatible:

    enum:

      - fsl,imx6sx-ldb

      - fsl,imx8mp-ldb

      - fsl,imx93-ldb
@@ -64,7 +65,9 @@ allOf: 
      properties:

        compatible:

          contains:

            const: fsl,imx93-ldb

            enum:

              - fsl,imx6sx-ldb

              - fsl,imx93-ldb

    then:

      properties:

        ports:

Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml

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@@ -105,6 +105,29 @@ properties: 
          DSI output port node to the panel or the next bridge

          in the chain.



        properties:

          endpoint:

            $ref: /schemas/media/video-interfaces.yaml#

            unevaluatedProperties: false



            properties:

              data-lanes:

                minItems: 1

                maxItems: 4

                uniqueItems: true

                items:

                  enum: [ 1, 2, 3, 4 ]



              lane-polarities:

                minItems: 1

                maxItems: 5

                description:

                  The Samsung MIPI DSI IP requires that all the data lanes have

                  the same polarity.



            dependencies:

              lane-polarities: [data-lanes]



required:

  - clock-names

  - clocks

Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml

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@@ -4,16 +4,24 @@ 
$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Toshiba TC358767 eDP bridge

title: Toshiba TC358767/TC358867/TC9595 DSI/DPI/eDP bridge



maintainers:

  - Andrey Gusakov <andrey.gusakov@cogentembedded.com>



description: The TC358767 is bridge device which converts DSI/DPI to eDP/DP

description: |

  The TC358767/TC358867/TC9595 is bridge device which

  converts DSI/DPI to eDP/DP .



properties:

  compatible:

    const: toshiba,tc358767

    oneOf:

      - items:

          - enum:

              - toshiba,tc358867

              - toshiba,tc9595

          - const: toshiba,tc358767

      - const: toshiba,tc358767



  reg:

    enum: