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10 Commits

Author SHA1 Message Date
Geert Uytterhoeven
1399ebacbf drm: renesas: shmobile: Add DT support 
Add DT support, by:
  1. Creating a panel bridge from DT, and attaching it to the encoder,
  2. Replacing the custom connector with a bridge connector,
  3. Obtaining clock configuration based on the compatible value.

Note that for now the driver uses a fixed clock configuration selecting
the bus clock, as the current code to select other clock inputs needs
changes to support any other SoCs than SH7724.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6185ab76aa300fa402e4f6610b2109665f2d8a1c.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:48 +02:00
Geert Uytterhoeven
7c2d79f06e drm: renesas: shmobile: Remove internal CRTC state tracking 
Now the suspend/resume methods no longer need to look at internal driver
state, the dpms and started fields in the shmob_drm_crtc structure can
be removed, as well as the shmob_drm_crtc_dpms() wrapper.  After this,
shmob_drm_crtc_atomic_{en,dis}able() became just wrappers around
shmob_drm_crtc_st{art,op}(), so inline the latter.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/905b9ca72f43d40438c8cb1199cde140eb123204.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:47 +02:00
Geert Uytterhoeven
cc2c954668 drm: renesas: shmobile: Use suspend/resume helpers 
Replace the custom suspend/resume handling by calls into
drm_mode_config_helper_{suspend,resume}().

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/a52147ca6033e0a59675f37f0326c7404fc5919c.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:47 +02:00
Geert Uytterhoeven
4afa041043 drm: renesas: shmobile: Atomic conversion part 1 
Implement atomic mode setting for both the primary and overlay planes.
This involves:
  - Moving the primary plane handling code from CRTC mode setting to
    plane handling shared by primary and overlay planes,
  - Adding basic CRTC and mode config atomic mode setting ops, which
    don't do much yet.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/a6b698a1c8c1eaf631c2f928f5888ab5fe7aa4c3.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:47 +02:00
Geert Uytterhoeven
b1ce7fe4c4 drm: renesas: shmobile: Wait for page flip when turning CRTC off 
Turning a CRTC off will prevent a queued page flip from ever completing,
potentially confusing userspace.  Wait for queued page flips to complete
before turning the CRTC off to avoid this.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c97d5859c43fa36043c61de28d67688ebe345092.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:47 +02:00
Geert Uytterhoeven
9d7bd3b12e drm: renesas: shmobile: Rename shmob_drm_connector.connector 
Rename the "connector" member of the shmob_drm_connector subclass
structure to "base", to improve readability.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/2382c4c796b53b5d2b24f99b85954ce632f21b90.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:46 +02:00
Geert Uytterhoeven
5195532484 drm: renesas: shmobile: Rename shmob_drm_crtc.crtc 
Rename the "crtc" member of the shmob_drm_crtc subclass structure to
"base", to improve readability.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/b42a32082d25bde6db7a57d8dc0d9f45820f6716.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:46 +02:00
Laurent Pinchart
6a6ab0c716 drm: renesas: shmobile: Use struct videomode in platform data 
Replace the drm_mode_modeinfo field with videomode that includes more
signal polarity flags.  This simplifies driver handling of panel modes
and prepares for DT support.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[geert: Simplify]
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4312e56de424d94399c6105e7159317eae86c9d5.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:46 +02:00
Laurent Pinchart
0da28d5fc8 drm: renesas: shmobile: Remove backlight support 
Backlight support should be implemented by panels, not by the LCDC
driver.  As the feature is currently unused anyway, remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[geert: Cleanups]
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/69707650245bc2193d072f24723d4d5482ea590b.1694767209.git.geert+renesas@glider.be
 2023-10-16 11:47:44 +02:00
Biju Das
11696c5e89 drm: Place Renesas drivers in a separate dir 
Create vendor specific renesas directory and move renesas drivers
to that directory.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 2023-05-29 16:41:03 +03:00