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Tue, 22 Aug 2023 08:55:41 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v14 RESEND 0/6] drm/imx: Introduce i.MX8qm/qxp DPU DRM Date: Tue, 22 Aug 2023 16:59:43 +0800 Message-Id: <20230822085949.816844-1-victor.liu@nxp.com> X-Mailer: git-send-email 2.37.1 X-ClientProxiedBy: SI2PR02CA0033.apcprd02.prod.outlook.com (2603:1096:4:195::20) To AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM7PR04MB7046:EE_|AS5PR04MB9970:EE_ X-MS-Office365-Filtering-Correlation-Id: 9431bdd6-d996-403c-e767-08dba2ed9051 X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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DPU is comprised of a blit engine for 2D graphics, a display controller and a command sequencer. Outside of DPU, optional prefetch engines can fetch data from memory prior to some DPU fetchunits of blit engine and display controller. The pre-fetchers support linear formats and Vivante GPU tile formats. Reference manual can be found at: https://www.nxp.com/webapp/Download?colCode=IMX8DQXPRM This patch set adds kernel modesetting support for the display controller part. It supports two CRTCs per display controller, several planes, prefetch engines and some properties of CRTC and plane. Currently, the registers of the controller is accessed without command sequencer involved, instead just by using CPU. DRM connectors would be created from the DPU KMS driver. Patch 1 ~ 3 add dt-bindings for DPU and prefetch engines. Patch 4 is a minor improvement of a macro to suppress warning as the KMS driver uses it. Patch 5 introduces the DPU DRM support. Patch 6 updates MAINTAINERS. Welcome comments, thanks. v13->v14: * Rebase the patch series to the latest drm-misc-next branch(v6.1-rc6 based). * Include drm_fbdev_generic.h in dpu_drv.c due to the rebase. * Fix dpu drm driver suspend/resume by properly get drm device through dev_get_drvdata(). * Use pm_ptr() macro for dpu core driver PM operations. * Use pm_sleep_ptr() macro for dpu drm driver PM operations. * Use DEFINE_SIMPLE_DEV_PM_OPS() macro to define dpu drm driver PM operations, instead of SIMPLE_DEV_PM_OPS(). * Update year of Copyright. * Add SoC series name 'i.MX8'/'IMX8'/'imx8' to dpu driver module decription, Kconfig name, dpu driver names and dpu driver object name. * Resend based on the latest drm-misc-next branch. v12->v13: * Drop 'drm->irq_enabled = true;' from patch 5/6 to fix a potential build break reported by 'kernel test robot '. drm->irq_enabled should not be used by imx-dpu drm as it is only used by legacy drivers with userspace modesetting. v11->v12: * Rebase the series upon v6.1-rc1. * Minor update on Kconfigs, struct names and macro names for patch 5/6 due to the rebase. v10->v11: * Rebase the series upon v6.0-rc1. * Include drm_blend.h and drm_framebuffer.h in dpu-kms.c and dpu-plane.c to fix build errors due to the rebase. * Fix a checkpatch warning for dpu-crtc.c. * Properly use dev_err_probe() to return it's return value directly where possible. v9->v10: * Rebase the series upon v5.18-rc1. * Make 'checkpatch.pl --strict' happier for patch 5/6. * Add Rob's R-b tag on patch 3/6. * Add Laurentiu's R-b tag on patch 5/6. * Add Laurentiu's A-b tag on patch 6/6. v8->v9: * Use drm_atomic_get_new_plane_state() in dpu_plane_atomic_update() for patch 5/6. (Laurentiu) * Drop getting DPU DT alias ID for patch 5/6, as it is unused. * Reference 'interrupts-extended' schema instead of 'interrupts' for patch 3/6 to require an additional DPR interrupt(r_rtram_stall) because the reference manual does mention it, though the driver doesn't get/use it for now. Reference 'interrupt-names' schema to define the two DPR interrupt names - 'dpr_wrap' and 'r_rtram_stall'. Accordingly, patch 5/6 gets the 'dpr_wrap' interrupt by name. * Drop Rob's R-b tag on patch 3/6, as review is needed. v7->v8: * Rebase this series up onto the latest drm-misc-next branch, due to DRM plane helper functions API change(atomic_check and atomic_update) from DRM atomic core. So, dpu_plane_atomic_check() and dpu_plane_atomic_update() are updated accordingly in patch 5/6. Also, rename plane->state variables and relevant DPU plane state variables in those two functions to reflect they are new states, like the patch 'drm: Rename plane->state variables in atomic update and disable' recently landed in drm-misc-next. * Replace drm_gem_fb_prepare_fb() with drm_gem_plane_helper_prepare_fb() in patch 5/6, due to DRM core API change. * Improve DPR burst length for GPU standard tile and 32bpp GPU super tile in patch 5/6 to align with the latest version of internal HW documention. v6->v7: * Fix return value of dpu_get_irqs() if platform_get_irq() fails. (Laurentiu) * Use the function array dpu_irq_handler[] to store individual DPU irq handlers. (Laurentiu) * Call get/put() hooks directly to get/put DPU fetchunits for DPU plane groups. (Laurentiu) * Shorten the names of individual DPU irq handlers by using DPU unit abbrev names to make writing dpu_irq_handler[] easier. * Add Rob's R-b tag back on DPU dt-binding patch as change in v6 was reviewed. v5->v6: * Use graph schema in the DPU dt-binding. * Do not use macros where possible in the DPU DRM driver. (Laurentiu) * Break dpu_plane_atomic_check() into some smaller functions. (Laurentiu) * Address some minor comments from Laurentiu on the DPU DRM driver. * Add dpu_crtc_err() helper marco in the DPU DRM driver to tell dmesg which CRTC generates error. * Drop calling dev_set_drvdata() from dpu_drm_bind/unbind() in the DPU DRM driver as it is done in dpu_drm_probe(). * Some trivial tweaks. v4->v5: * Rebase up onto the latest drm-misc-next branch and remove the hook to drm_atomic_helper_legacy_gamma_set() from patch 5/6, because it was dropped by the newly landed commit 'drm: automatic legacy gamma support'. * Remove a redundant blank line from dpu_plane_atomic_update() in patch 5/6. v3->v4: * Improve compatible properties in DPU and prefetch engines' dt bindings by using enum instead of oneOf+const. * Add Rob's R-b tags on dt binding patches(patch 1/6, 2/6 and 3/6). * Add Daniel's A-b tag on patch 4/6. v2->v3: * Fix DPU DRM driver build warnings which are Reported-by: kernel test robot . * Drop DPU DRM driver build dependency on IMX_SCU, as dummy SCU functions have been added in header files by the patch 'firmware: imx: add dummy functions' which has landed in linux-next/master branch. * Add a missing blank line in include/drm/drm_atomic.h. v1->v2: * Test this patch set also with i.MX8qm LVDS displays. * Drop the device tree patches because we'll use new dt binding way to support i.MX8qm/qxp clocks. This depends on a not-yet-landed patch set to do basic conversions for the platforms. * Fix dt binding yamllint warnings. * Require bypass0 and bypass1 clocks for both i.MX8qxp and i.MX8qm in DPU's dt binding documentation. * Use new dt binding way to add clocks in the dt binding examples. * Address several comments from Laurentiu on the DPU DRM patch. Liu Ying (6): dt-bindings: display: imx: Add i.MX8qxp/qm DPU binding dt-bindings: display: imx: Add i.MX8qxp/qm PRG binding dt-bindings: display: imx: Add i.MX8qxp/qm DPR channel binding drm/atomic: Avoid unused-but-set-variable warning on for_each_old_plane_in_state drm/imx: Introduce i.MX8qm/qxp DPU DRM MAINTAINERS: add maintainer for i.MX8qxp DPU DRM driver .../display/imx/fsl,imx8qxp-dprc.yaml | 100 ++ .../bindings/display/imx/fsl,imx8qxp-dpu.yaml | 387 ++++++ .../bindings/display/imx/fsl,imx8qxp-prg.yaml | 60 + MAINTAINERS | 9 + drivers/gpu/drm/imx/Kconfig | 1 + drivers/gpu/drm/imx/Makefile | 1 + drivers/gpu/drm/imx/dpu/Kconfig | 9 + drivers/gpu/drm/imx/dpu/Makefile | 10 + drivers/gpu/drm/imx/dpu/dpu-constframe.c | 171 +++ drivers/gpu/drm/imx/dpu/dpu-core.c | 1044 +++++++++++++++++ drivers/gpu/drm/imx/dpu/dpu-crtc.c | 969 +++++++++++++++ drivers/gpu/drm/imx/dpu/dpu-crtc.h | 72 ++ drivers/gpu/drm/imx/dpu/dpu-disengcfg.c | 117 ++ drivers/gpu/drm/imx/dpu/dpu-dprc.c | 715 +++++++++++ drivers/gpu/drm/imx/dpu/dpu-dprc.h | 40 + drivers/gpu/drm/imx/dpu/dpu-drv.c | 294 +++++ drivers/gpu/drm/imx/dpu/dpu-drv.h | 28 + drivers/gpu/drm/imx/dpu/dpu-extdst.c | 299 +++++ drivers/gpu/drm/imx/dpu/dpu-fetchdecode.c | 292 +++++ drivers/gpu/drm/imx/dpu/dpu-fetcheco.c | 224 ++++ drivers/gpu/drm/imx/dpu/dpu-fetchlayer.c | 152 +++ drivers/gpu/drm/imx/dpu/dpu-fetchunit.c | 610 ++++++++++ drivers/gpu/drm/imx/dpu/dpu-fetchunit.h | 195 +++ drivers/gpu/drm/imx/dpu/dpu-fetchwarp.c | 248 ++++ drivers/gpu/drm/imx/dpu/dpu-framegen.c | 395 +++++++ drivers/gpu/drm/imx/dpu/dpu-gammacor.c | 223 ++++ drivers/gpu/drm/imx/dpu/dpu-hscaler.c | 275 +++++ drivers/gpu/drm/imx/dpu/dpu-kms.c | 542 +++++++++ drivers/gpu/drm/imx/dpu/dpu-kms.h | 23 + drivers/gpu/drm/imx/dpu/dpu-layerblend.c | 348 ++++++ drivers/gpu/drm/imx/dpu/dpu-plane.c | 804 +++++++++++++ drivers/gpu/drm/imx/dpu/dpu-plane.h | 59 + drivers/gpu/drm/imx/dpu/dpu-prg.c | 433 +++++++ drivers/gpu/drm/imx/dpu/dpu-prg.h | 45 + drivers/gpu/drm/imx/dpu/dpu-prv.h | 231 ++++ drivers/gpu/drm/imx/dpu/dpu-tcon.c | 250 ++++ drivers/gpu/drm/imx/dpu/dpu-vscaler.c | 308 +++++ drivers/gpu/drm/imx/dpu/dpu.h | 385 ++++++ include/drm/drm_atomic.h | 5 +- 39 files changed, 10372 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dprc.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dpu.yaml create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-prg.yaml create mode 100644 drivers/gpu/drm/imx/dpu/Kconfig create mode 100644 drivers/gpu/drm/imx/dpu/Makefile create mode 100644 drivers/gpu/drm/imx/dpu/dpu-constframe.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-core.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-crtc.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-crtc.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-disengcfg.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-dprc.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-dprc.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-drv.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-drv.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-extdst.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-fetchdecode.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-fetcheco.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-fetchlayer.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-fetchunit.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-fetchunit.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-fetchwarp.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-framegen.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-gammacor.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-hscaler.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-kms.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-kms.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-layerblend.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-plane.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-plane.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-prg.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-prg.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-prv.h create mode 100644 drivers/gpu/drm/imx/dpu/dpu-tcon.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu-vscaler.c create mode 100644 drivers/gpu/drm/imx/dpu/dpu.h base-commit: 504245a5ab6b6e1bfe0280baa4885c551e082099