[PATCH v7 0/7] Add DRM driver for Hisilicon Hibmc
Rongrong Zou
zourongrong at huawei.com
Wed Nov 16 20:09:31 PST 2016
在 2016/11/17 0:02, Sean Paul 写道:
> On Wed, Nov 16, 2016 at 11:01 AM, Sean Paul <seanpaul at chromium.org> wrote:
>> On Wed, Nov 16, 2016 at 8:43 AM, Rongrong Zou <zourongrong at gmail.com> wrote:
>>> This patch set adds a new drm driver for Hisilicon Hibmc. Hibmc is a
>>> BMC SoC with a display controller intergrated, usually it is used on
>>> server for Out-of-band management purpose. In this patch set, we just
>>> support basic function for Hibmc display subsystem. Hibmc display
>>> subsystem is connected to host CPU by PCIe as blow:
>>>
>>> +----------+ +----------+
>>> | | PCIe | Hibmc |
>>> |host CPU( |<----->| display |
>>> |arm64,x86)| |subsystem |
>>> +----------+ +----------+
>>>
>>> Hardware Detail for Hibmc display subsystem
>>> -----------
>>>
>>> The display subsystem of Hibmc is show as bellow:
>>> +----+ +----+ +----+ +--------+
>>> | | | | | | | |
>>> | FB |----->| DE |----->|VDAC|---->|external|
>>> | | | | | | | VGA |
>>> +----+ +----+ +----+ +--------+
>>>
>>> -DE(Display Engine) is the display controller.
>>> -VDAC(Video Digital-to-Analog converter) converts the RGB diaital data
>>> stream from DE to VGA analog signals.
>>>
>>
>> For the whole series/driver:
>>
>> Acked-by: Sean Paul <seanpaul at chromium.org>
>>
>>
>
> Also, please send those fixups for the other ttm drivers ;)
with pleasure :)
Regards,
Rongrong.
>
>>
>>> Change History
>>> ------------
>>> Changes in v7:
>>> -remove hibmc_drm_power.c/hibmc_drm_power.h, move the functions to
>>> hibmc_drm_drv.c.
>>> -remove hibmc_drm_de.h and move the struct defined in head file to
>>> hibmc_drm_de.c.
>>> -plane is initialized inside crtc, not in hibmc_kms_init().
>>> -connector is initialized inside encoder, not in hibmc_kms_init().
>>> -remove plane/crtc/encoder/connector from hibmc_drm_private struct.
>>> -call drm_atomic_helper_suspend/resume in hibmc_pm_suspend/resume.
>>> -remove these empty stubs because caller will do NULL check.
>>> hibmc_plane_atomic_disable
>>> hibmc_crtc_atomic_check
>>> hibmc_encoder_disable
>>> hibmc_encoder_enable
>>> hibmc_encoder_atomic_check
>>> -clean up in all error paths of creating driver-private framebuffer.
>>>
>>> Changes in v6:
>>> -remove the embedded framebuffer and use a pointer of hibmc_framebuffer
>>> instead.
>>> -remove the deprecated drm_framebuffer_unregister_private(),
>>> drm_framebuffer_unreference() will be called in hibmc_fbdev_destroy().
>>> -uninstall irq in hibmc_unload().
>>>
>>> Changes in v5:
>>> -rebase on v4.9-rc2.
>>> -replace drm_fb_helper_set_suspend with drm_fb_helper_set_suspend_unlocked.
>>> and remove redundant console_lock and console_unlock.
>>>
>>> Changes in v4:
>>> -remove unused include files, and include header file when it is needed.
>>> -remove unused FLAG in Kconfig: DRM_GEM_CMA_HELPER/DRM_KMS_CMA_HELPER.
>>> -remove drm_helper_disable_unused_functions, since we use DRIVER_ATOMIC.
>>>
>>> Changes in v3:
>>> -enable KMS, in v2, only fbdev is enabled.
>>> -management video memory with ttm.
>>> -add vblank interrupt.
>>> -remove drm_connector_register_all() and drm_connector_unregister_all().
>>> -I have a basic test with igt.
>>>
>>> Changes in v2:
>>> -Remove self-defined macros for bit operations.
>>> -Remove unused register.
>>> -Replace those deprecated functions with new version of them.
>>> -use drm_connector_register_all() to register connector after
>>> drm_dev_register().
>>>
>>> The patch v2 is at
>>> https://lists.freedesktop.org/archives/dri-devel/2016-May/108661.html
>>>
>>> Rongrong Zou (7):
>>> drm/hisilicon/hibmc: Add hisilicon hibmc drm master driver
>>> drm/hisilicon/hibmc: Add video memory management
>>> drm/hisilicon/hibmc: Add support for frame buffer
>>> drm/hisilicon/hibmc: Add support for display engine
>>> drm/hisilicon/hibmc: Add support for VDAC
>>> drm/hisilicon/hibmc: Add support for vblank interrupt
>>> MAINTAINERS: Update HISILICON DRM entries
>>>
>>> MAINTAINERS | 1 +
>>> drivers/gpu/drm/hisilicon/Kconfig | 1 +
>>> drivers/gpu/drm/hisilicon/Makefile | 1 +
>>> drivers/gpu/drm/hisilicon/hibmc/Kconfig | 9 +
>>> drivers/gpu/drm/hisilicon/hibmc/Makefile | 4 +
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 477 ++++++++++++++++++
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 456 ++++++++++++++++++
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 114 +++++
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c | 267 +++++++++++
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h | 196 ++++++++
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 147 ++++++
>>> drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 558 ++++++++++++++++++++++
>>> 12 files changed, 2231 insertions(+)
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/Kconfig
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/Makefile
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
>>> create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
>>>
>>> --
>>> 1.9.1
>>>
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--
Regards, Rongrong
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