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From: Geert Uytterhoeven <geert+renesas@glider.be>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
David Airlie <airlied@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>,
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Cc: dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org,
linux-kernel@vger.kernel.org,
Geert Uytterhoeven <geert+renesas@glider.be>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
devicetree@vger.kernel.org, linux-media@vger.kernel.org
Subject: [PATCH 00/39] drm: renesas: shmobile: Atomic conversion + DT support
Date: Thu, 22 Jun 2023 11:21:12 +0200
Message-Id: <cover.1687423204.git.geert+renesas@glider.be>
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drm: renesas: shmobile: Atomic conversion + DT support
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Hi all, It has been 3 years since the last conversion of a DRM driver to atomic modesetting, so I guess it's time for another one? ;-) Currently, there are two drivers for the LCD controller on Renesas SuperH-based and ARM-based SH-Mobile and R-Mobile SoCs: 1. sh_mobile_lcdcfb, using the fbdev framework, 2. shmob_drm, using the DRM framework. However, only the former driver is used, as all platform support integrates the former. None of these drivers support DT-based systems. This patch series is a follow-up to [1] (which is already included in drm-next). It converts the SH-Mobile DRM driver to atomic modesetting, and adds DT support, complemented by the customary set of fixes and improvements. Overview: - Patch 1 adds DT bindings for the SH-Mobile LCD controller, - Patch 2 adds definitions for RGB666 9:9 media bus formats, - Patches 3-33 contains miscellaneous fixes, improvements, and cleanups for the SH-Mobile DRM driver, - Patches 34-38 convert the SH-Mobile DRM driver to atomic modesetting, - Patch 39 adds DT support to the SH-Mobile DRM driver. To reduce strain on the audience, I have CCed the DT and media people only on the cover letter and the DT resp. media patches. If interested, the full series should be available through lore.kernel.org. Some comments and questioned can be found in the individual patches. This has been tested on the R-Mobile A1-based Atmark Techno Armadillo-800-EVA development board, using both legacy[2] and DT-based[3] instantiation, with the fbdev-emulated text console and modetest, a.o. modetest -M shmob-drm -s 43:800x480@RG16 -P 33@41:640x320+80+80@RG16 modetest -M shmob-drm -s 43:800x480@RG16 The output of "modetest -M shmob-drm" can be found below[4]. Thanks for your comments! [1] "[PATCH v3 0/5] drm: shmobile: Fixes and enhancements" https://lore.kernel.org/r/cover.1684854992.git.geert+renesas@glider.be [2] "[PATCH/RFC] staging: board: armadillo800eva: Add DRM support" https://lore.kernel.org/r/f7874a9da4bcb20fbc9cd133147b67862ebcf0b9.1687418281.git.geert+renesas@glider.be [3] "[PATCH 0/2] ARM: dts: r8a7740/armadillo800eva: Add LCD support" https://lore.kernel.org/r/cover.1687417585.git.geert+renesas@glider.be [4] Encoders: id crtc type possible crtcs possible clones 42 41 DPI 0x00000001 0x00000001 Connectors: id encoder status name size (mm) modes encoders 43 42 connected DPI-1 111x67 1 42 modes: index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot #0 800x480 59.99 800 840 968 1056 480 515 517 525 33260 flags: nhsync, nvsync; type: preferred, driver props: 1 EDID: flags: immutable blob blobs: value: 2 DPMS: flags: enum enums: On=0 Standby=1 Suspend=2 Off=3 value: 0 5 link-status: flags: enum enums: Good=0 Bad=1 value: 0 6 non-desktop: flags: immutable range values: 0 1 value: 0 4 TILE: flags: immutable blob blobs: value: CRTCs: id fb pos size 41 44 (0,0) (800x480) #0 800x480 59.99 800 840 968 1056 480 515 517 525 33260 flags: nhsync, nvsync; type: preferred, driver props: Planes: id crtc fb CRTC x,y x,y gamma size possible crtcs 31 41 44 0,0 0,0 0 0x00000001 formats: RG16 RG24 AR24 XR24 NV12 NV21 NV16 NV61 NV24 NV42 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 1 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000a00000018000000 01000000400000005247313652473234 41523234585232344e5631324e563231 4e5631364e5636314e5632344e563432 ff030000000000000000000000000000 0000000000000000 in_formats blob decoded: RG16: LINEAR RG24: LINEAR AR24: LINEAR XR24: LINEAR NV12: LINEAR NV21: LINEAR NV16: LINEAR NV61: LINEAR NV24: LINEAR NV42: LINEAR 33 0 0 0,0 0,0 0 0x00000001 formats: RG16 RG24 AR24 XR24 NV12 NV21 NV16 NV61 NV24 NV42 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 0 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000a00000018000000 01000000400000005247313652473234 41523234585232344e5631324e563231 4e5631364e5636314e5632344e563432 ff030000000000000000000000000000 0000000000000000 in_formats blob decoded: RG16: LINEAR RG24: LINEAR AR24: LINEAR XR24: LINEAR NV12: LINEAR NV21: LINEAR NV16: LINEAR NV61: LINEAR NV24: LINEAR NV42: LINEAR 35 0 0 0,0 0,0 0 0x00000001 formats: RG16 RG24 AR24 XR24 NV12 NV21 NV16 NV61 NV24 NV42 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 0 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000a00000018000000 01000000400000005247313652473234 41523234585232344e5631324e563231 4e5631364e5636314e5632344e563432 ff030000000000000000000000000000 0000000000000000 in_formats blob decoded: RG16: LINEAR RG24: LINEAR AR24: LINEAR XR24: LINEAR NV12: LINEAR NV21: LINEAR NV16: LINEAR NV61: LINEAR NV24: LINEAR NV42: LINEAR 37 0 0 0,0 0,0 0 0x00000001 formats: RG16 RG24 AR24 XR24 NV12 NV21 NV16 NV61 NV24 NV42 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 0 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000a00000018000000 01000000400000005247313652473234 41523234585232344e5631324e563231 4e5631364e5636314e5632344e563432 ff030000000000000000000000000000 0000000000000000 in_formats blob decoded: RG16: LINEAR RG24: LINEAR AR24: LINEAR XR24: LINEAR NV12: LINEAR NV21: LINEAR NV16: LINEAR NV61: LINEAR NV24: LINEAR NV42: LINEAR 39 0 0 0,0 0,0 0 0x00000001 formats: RG16 RG24 AR24 XR24 NV12 NV21 NV16 NV61 NV24 NV42 props: 8 type: flags: immutable enum enums: Overlay=0 Primary=1 Cursor=2 value: 0 30 IN_FORMATS: flags: immutable blob blobs: value: 01000000000000000a00000018000000 01000000400000005247313652473234 41523234585232344e5631324e563231 4e5631364e5636314e5632344e563432 ff030000000000000000000000000000 0000000000000000 in_formats blob decoded: RG16: LINEAR RG24: LINEAR AR24: LINEAR XR24: LINEAR NV12: LINEAR NV21: LINEAR NV16: LINEAR NV61: LINEAR NV24: LINEAR NV42: LINEAR Frame buffers: id size pitch Geert Uytterhoeven (34): dt-bindings: display: Add Renesas SH-Mobile LCDC bindings media: uapi: Add MEDIA_BUS_FMT_RGB666_2X9 variants drm: renesas: shmobile: Fix overlay plane disable drm: renesas: shmobile: Fix ARGB32 overlay format typo drm: renesas: shmobile: Correct encoder/connector types drm: renesas: shmobile: Add support for Runtime PM drm: renesas: shmobile: Restore indentation of shmob_drm_setup_clocks() drm: renesas: shmobile: Use %p4cc to print fourcc code drm: renesas: shmobile: Add missing YCbCr formats drm: renesas: shmobile: Improve shmob_drm_format_info table drm: renesas: shmobile: Improve error handling drm: renesas: shmobile: Convert to use devm_request_irq() drm: renesas: shmobile: Use drmm_universal_plane_alloc() drm: renesas: shmobile: Embed drm_device in shmob_drm_device drm: renesas: shmobile: Convert container helpers to static inline functions drm: renesas: shmobile: Replace .dev_private with container_of() drm: renesas: shmobile: Use media bus formats in platform data drm: renesas: shmobile: Move interface handling to connector setup drm: renesas: shmobile: Unify plane allocation drm: renesas: shmobile: Rename shmob_drm_crtc.crtc drm: renesas: shmobile: Rename shmob_drm_connector.connector drm: renesas: shmobile: Rename shmob_drm_plane.plane drm: renesas: shmobile: Use drm_crtc_handle_vblank() drm: renesas: shmobile: Move shmob_drm_crtc_finish_page_flip() drm: renesas: shmobile: Wait for page flip when turning CRTC off drm: renesas: shmobile: Turn vblank on/off when enabling/disabling CRTC drm: renesas: shmobile: Shutdown the display on remove drm: renesas: shmobile: Cleanup encoder drm: renesas: shmobile: Atomic conversion part 1 drm: renesas: shmobile: Atomic conversion part 2 drm: renesas: shmobile: Use suspend/resume helpers drm: renesas: shmobile: Remove internal CRTC state tracking drm: renesas: shmobile: Atomic conversion part 3 drm: renesas: shmobile: Add DT support Laurent Pinchart (5): drm: renesas: shmobile: Remove backlight support drm: renesas: shmobile: Don't set display info width and height twice drm: renesas: shmobile: Rename input clocks drm: renesas: shmobile: Remove support for SYS panels drm: renesas: shmobile: Use struct videomode in platform data .../display/renesas,shmobile-lcdc.yaml | 108 +++ .../media/v4l/subdev-formats.rst | 144 ++++ MAINTAINERS | 1 + drivers/gpu/drm/renesas/shmobile/Makefile | 3 +- .../renesas/shmobile/shmob_drm_backlight.c | 82 --- .../renesas/shmobile/shmob_drm_backlight.h | 19 - .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 666 +++++++++--------- .../gpu/drm/renesas/shmobile/shmob_drm_crtc.h | 27 +- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 153 ++-- .../gpu/drm/renesas/shmobile/shmob_drm_drv.h | 18 +- .../gpu/drm/renesas/shmobile/shmob_drm_kms.c | 77 +- .../gpu/drm/renesas/shmobile/shmob_drm_kms.h | 9 +- .../drm/renesas/shmobile/shmob_drm_plane.c | 386 +++++----- .../drm/renesas/shmobile/shmob_drm_plane.h | 4 +- include/linux/platform_data/shmob_drm.h | 57 +- include/uapi/linux/media-bus-format.h | 4 +- 16 files changed, 965 insertions(+), 793 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/renesas,shmobile-lcdc.yaml delete mode 100644 drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.c delete mode 100644 drivers/gpu/drm/renesas/shmobile/shmob_drm_backlight.h Cc: Rob Herring <robh+dt@kernel.org>" Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>" Cc: Conor Dooley <conor+dt@kernel.org>" Cc: Mauro Carvalho Chehab <mchehab@kernel.org>" Cc: devicetree@vger.kernel.org" Cc: linux-media@vger.kernel.org"