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Message-ID: <20130322145454.GA3231@avionic-0098.mockup.avionic-design.de>
Date: Fri, 22 Mar 2013 15:54:55 +0100
From: Thierry Reding <thierry.reding@...onic-design.de>
To: Terje Bergstrom <tbergstrom@...dia.com>
Cc: airlied@...ux.ie, linux-tegra@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
amerilainen@...dia.com
Subject: Re: [PATCHv9 0/9] Support Tegra 2D hardware
On Fri, Mar 22, 2013 at 04:34:00PM +0200, Terje Bergstrom wrote:
> This set of patches adds support for Tegra20 and Tegra30 host1x and
> 2D. It is based on linux-next-20130322 with RTC fixes applied.
>
> Changes in this version:
> * Renaming in drivers/gpu/host1x/drm/drm.c to shorten function names
> * Whitespace and function order fixes
> * An extra struct (host1x_addr_reg) removed
> * Added uapi Kbuild entry
>
> Changes in version 8:
> * Own version of framebuffer driver due to move to own allocator
> * Thanks to Thierry Reding for help
> * Miscellaneous variable name, whitespace and IOCTL interface cleanups
> * Bug fixes:
> * Validator enabled again
> * Added new class 2D strechblit
> * Dropped patch "Support CMA object preallocation"
>
> Changes in version 7:
> * host1x memory data structures refactored
> * Some "nvhost" leftovers renamed to host1x
>
> Changes in version 6:
> * Rebased on latest tegradrm
> * Renamed tegradrm's host1x to host1x_drm
> * Indentation and line split fixed to follow tegradrm convention
> * Pointers to platform_device replaced with pointers to device
> * Added host1x allocator, and wired it in
> * Debug spew code fixed to access mem handles from host1x_job
> * CDMA code doesn't keep the mem handles anymore
> * Push buffer ops have been made generic code
> * Removed the pin_array optimization in host1x_job to simplify code
> * Large number of smaller changes
>
> The driver implements an allocator using the dma mapping API. Each buffer is
> assigned an ops structure to operate on it.
>
> host1x is the driver that controls host1x hardware. It supports
> host1x command channels, synchronization, and memory management. It
> is sectioned into logical driver under drivers/gpu/host1x and
> physical driver under drivers/host1x/hw. The physical driver is
> compiled with the hardware headers of the particular host1x version.
>
> The hardware units are described (briefly) in the Tegra2 TRM. Wiki
> page http://http.download.nvidia.com/tegra-public-appnotes/host1x.html
> also contains a short description of the functionality.
>
> The patch set merges tegradrm into host1x and adds 2D driver, which
> uses host1x channels and sync points. The patch set also adds user
> space API to tegradrm for accessing host1x and 2D.
>
> The changes to add support to libdrm are in
> git@...orious.org:linux-host1x/libdrm-host1x.git
>
> Arto Merilainen (2):
> gpu: host1x: drm: Rename host1x to host1x_drm
> gpu: host1x: drm: Add memory manager and fb
>
> Terje Bergstrom (7):
> gpu: host1x: Add host1x driver
> gpu: host1x: Add syncpoint wait and interrupts
> gpu: host1x: Add channel support
> gpu: host1x: Add debug support
> drm: tegra: Move drm to live under host1x
> gpu: host1x: Remove second host1x driver
> drm: tegra: Add gr2d device
>
> drivers/gpu/Makefile | 1 +
> drivers/gpu/drm/Kconfig | 2 -
> drivers/gpu/drm/Makefile | 1 -
> drivers/gpu/drm/tegra/Makefile | 7 -
> drivers/gpu/drm/tegra/drm.c | 217 --------
> drivers/gpu/drm/tegra/fb.c | 52 --
> drivers/gpu/drm/tegra/host1x.c | 327 ------------
> drivers/gpu/host1x/Kconfig | 23 +
> drivers/gpu/host1x/Makefile | 20 +
> drivers/gpu/host1x/cdma.c | 491 ++++++++++++++++++
> drivers/gpu/host1x/cdma.h | 100 ++++
> drivers/gpu/host1x/channel.c | 126 +++++
> drivers/gpu/host1x/channel.h | 52 ++
> drivers/gpu/host1x/debug.c | 210 ++++++++
> drivers/gpu/host1x/debug.h | 51 ++
> drivers/gpu/host1x/dev.c | 246 +++++++++
> drivers/gpu/host1x/dev.h | 308 ++++++++++++
> drivers/gpu/{drm/tegra => host1x/drm}/Kconfig | 19 +-
> drivers/gpu/{drm/tegra => host1x/drm}/dc.c | 26 +-
> drivers/gpu/{drm/tegra => host1x/drm}/dc.h | 0
> drivers/gpu/host1x/drm/drm.c | 640 ++++++++++++++++++++++++
> drivers/gpu/{drm/tegra => host1x/drm}/drm.h | 68 ++-
> drivers/gpu/host1x/drm/fb.c | 372 ++++++++++++++
> drivers/gpu/host1x/drm/gem.c | 270 ++++++++++
> drivers/gpu/host1x/drm/gem.h | 59 +++
> drivers/gpu/host1x/drm/gr2d.c | 339 +++++++++++++
> drivers/gpu/{drm/tegra => host1x/drm}/hdmi.c | 5 +-
> drivers/gpu/{drm/tegra => host1x/drm}/hdmi.h | 0
> drivers/gpu/{drm/tegra => host1x/drm}/output.c | 0
> drivers/gpu/{drm/tegra => host1x/drm}/rgb.c | 0
> drivers/gpu/host1x/host1x.h | 30 ++
> drivers/gpu/host1x/host1x_bo.h | 87 ++++
> drivers/gpu/host1x/host1x_client.h | 35 ++
> drivers/gpu/host1x/hw/Makefile | 6 +
> drivers/gpu/host1x/hw/cdma_hw.c | 326 ++++++++++++
> drivers/gpu/host1x/hw/channel_hw.c | 168 +++++++
> drivers/gpu/host1x/hw/debug_hw.c | 322 ++++++++++++
> drivers/gpu/host1x/hw/host1x01.c | 42 ++
> drivers/gpu/host1x/hw/host1x01.h | 25 +
> drivers/gpu/host1x/hw/host1x01_hardware.h | 143 ++++++
> drivers/gpu/host1x/hw/hw_host1x01_channel.h | 120 +++++
> drivers/gpu/host1x/hw/hw_host1x01_sync.h | 243 +++++++++
> drivers/gpu/host1x/hw/hw_host1x01_uclass.h | 174 +++++++
> drivers/gpu/host1x/hw/intr_hw.c | 143 ++++++
> drivers/gpu/host1x/hw/syncpt_hw.c | 114 +++++
> drivers/gpu/host1x/intr.c | 354 +++++++++++++
> drivers/gpu/host1x/intr.h | 102 ++++
> drivers/gpu/host1x/job.c | 603 ++++++++++++++++++++++
> drivers/gpu/host1x/job.h | 162 ++++++
> drivers/gpu/host1x/syncpt.c | 387 ++++++++++++++
> drivers/gpu/host1x/syncpt.h | 165 ++++++
> drivers/video/Kconfig | 2 +
> include/trace/events/host1x.h | 272 ++++++++++
> include/uapi/drm/Kbuild | 1 +
> include/uapi/drm/tegra_drm.h | 136 +++++
> 55 files changed, 7551 insertions(+), 643 deletions(-)
> delete mode 100644 drivers/gpu/drm/tegra/Makefile
> delete mode 100644 drivers/gpu/drm/tegra/drm.c
> delete mode 100644 drivers/gpu/drm/tegra/fb.c
> delete mode 100644 drivers/gpu/drm/tegra/host1x.c
> create mode 100644 drivers/gpu/host1x/Kconfig
> create mode 100644 drivers/gpu/host1x/Makefile
> create mode 100644 drivers/gpu/host1x/cdma.c
> create mode 100644 drivers/gpu/host1x/cdma.h
> create mode 100644 drivers/gpu/host1x/channel.c
> create mode 100644 drivers/gpu/host1x/channel.h
> create mode 100644 drivers/gpu/host1x/debug.c
> create mode 100644 drivers/gpu/host1x/debug.h
> create mode 100644 drivers/gpu/host1x/dev.c
> create mode 100644 drivers/gpu/host1x/dev.h
> rename drivers/gpu/{drm/tegra => host1x/drm}/Kconfig (56%)
> rename drivers/gpu/{drm/tegra => host1x/drm}/dc.c (98%)
> rename drivers/gpu/{drm/tegra => host1x/drm}/dc.h (100%)
> create mode 100644 drivers/gpu/host1x/drm/drm.c
> rename drivers/gpu/{drm/tegra => host1x/drm}/drm.h (77%)
> create mode 100644 drivers/gpu/host1x/drm/fb.c
> create mode 100644 drivers/gpu/host1x/drm/gem.c
> create mode 100644 drivers/gpu/host1x/drm/gem.h
> create mode 100644 drivers/gpu/host1x/drm/gr2d.c
> rename drivers/gpu/{drm/tegra => host1x/drm}/hdmi.c (99%)
> rename drivers/gpu/{drm/tegra => host1x/drm}/hdmi.h (100%)
> rename drivers/gpu/{drm/tegra => host1x/drm}/output.c (100%)
> rename drivers/gpu/{drm/tegra => host1x/drm}/rgb.c (100%)
> create mode 100644 drivers/gpu/host1x/host1x.h
> create mode 100644 drivers/gpu/host1x/host1x_bo.h
> create mode 100644 drivers/gpu/host1x/host1x_client.h
> create mode 100644 drivers/gpu/host1x/hw/Makefile
> create mode 100644 drivers/gpu/host1x/hw/cdma_hw.c
> create mode 100644 drivers/gpu/host1x/hw/channel_hw.c
> create mode 100644 drivers/gpu/host1x/hw/debug_hw.c
> create mode 100644 drivers/gpu/host1x/hw/host1x01.c
> create mode 100644 drivers/gpu/host1x/hw/host1x01.h
> create mode 100644 drivers/gpu/host1x/hw/host1x01_hardware.h
> create mode 100644 drivers/gpu/host1x/hw/hw_host1x01_channel.h
> create mode 100644 drivers/gpu/host1x/hw/hw_host1x01_sync.h
> create mode 100644 drivers/gpu/host1x/hw/hw_host1x01_uclass.h
> create mode 100644 drivers/gpu/host1x/hw/intr_hw.c
> create mode 100644 drivers/gpu/host1x/hw/syncpt_hw.c
> create mode 100644 drivers/gpu/host1x/intr.c
> create mode 100644 drivers/gpu/host1x/intr.h
> create mode 100644 drivers/gpu/host1x/job.c
> create mode 100644 drivers/gpu/host1x/job.h
> create mode 100644 drivers/gpu/host1x/syncpt.c
> create mode 100644 drivers/gpu/host1x/syncpt.h
> create mode 100644 include/trace/events/host1x.h
> create mode 100644 include/uapi/drm/tegra_drm.h
For the series:
Reviewed-by: Thierry Reding <thierry.reding@...onic-design.de>
Tested-by: Thierry Reding <thierry.reding@...onic-design.de>
For the Tegra DRM bits:
Acked-by: Thierry Reding <thierry.reding@...onic-design.de>
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