On 20/04/16 17:19, Daniel Vetter wrote:
On Wed, Apr 20, 2016 at 03:36:16PM +0200, Matthias Brugger wrote:
On 19/04/16 15:42, Philipp Zabel wrote:
Hi Dave,
please consider pulling this tag with initial MediaTek MT8173 DRM
support, corresponding to v14 of the patch series. These patches have
been mostly stable for the last few rounds. I'll follow up with the HDMI
encoder support pending review of the latest version.
Please don't pull
e34ba70de8c4 ("arm64: dts: mt8173: Add display subsystem related nodes")
If you pull the rest, this patch will go through my branch.
So not on top of this at all, but do we have to split up arm drm drivers
so much? Generally this stuff goes in through one tree with the driver,
with acks from other subsystem as needed. That ack seems to be missing,
but imo better to supply it and just get this pull req through. Or double
merge a patch, we do that fairly often.
Anyway just a comment, but sitting outside watching I think arm has a
pretty serious problem with tree proliferation. And it's not helping to
get fairly simple drivers like this one merged ...
Device tree (DTS) patches are not really part of the driver. They are
part of the SoC/board that has the device. DTS describes the hardware
that is on the SoC/board.
AFAIK the idea behind splitting that from the rest of the drivers is to
make the merging easier. If every driver repository has it's own DTS
entries, then when merging all this repositories into master, you will
get a merge error in the DTS part on every driver repository. Which most
probably will drive the maintainer insane.
If instead you have the DTS bits in the arm-soc repository, you can
easily merge the rest of the drivers.
Regards,
Matthias
Cheers, Daniel
Regards,
Matthias
regards
Philipp
The following changes since commit 9735a22799b9214d17d3c231fe377fc852f042e9:
Linux 4.6-rc2 (2016-04-03 09:09:40 -0500)
are available in the git repository at:
git://git.pengutronix.de/git/pza/linux.git tags/mediatek-drm-2016-04-19
for you to fetch changes up to e34ba70de8c46a460328a362eece4db6e9b63ec7:
arm64: dts: mt8173: Add display subsystem related nodes (2016-04-19 14:54:42 +0200)
----------------------------------------------------------------
MT8173 DRM support
- device tree bindings for all MT8173 display subsystem
components
- basic mediatek drm driver for MT8173 with two optional,
currently fixed output paths:
- DSI encoder support for DSI and (via bridge) eDP panels
- DPI encoder support for output to HDMI bridge
- necessary clock tree changes for the DPI->HDMI path
----------------------------------------------------------------
CK Hu (4):
dt-bindings: drm/mediatek: Add Mediatek display subsystem dts binding
drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.
drm/mediatek: Add DSI sub driver
arm64: dts: mt8173: Add display subsystem related nodes
Jie Qiu (1):
drm/mediatek: Add DPI sub driver
Philipp Zabel (3):
clk: mediatek: make dpi0_sel propagate rate changes
clk: mediatek: Add hdmi_ref HDMI PHY PLL reference clock output
clk: mediatek: remove hdmitx_dig_cts from TOP clocks
.../bindings/display/mediatek/mediatek,disp.txt | 203 +++++
.../bindings/display/mediatek/mediatek,dpi.txt | 35 +
.../bindings/display/mediatek/mediatek,dsi.txt | 60 ++
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 223 +++++
drivers/clk/mediatek/clk-mt8173.c | 12 +-
drivers/clk/mediatek/clk-mtk.h | 15 +-
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile | 1 +
drivers/gpu/drm/mediatek/Kconfig | 14 +
drivers/gpu/drm/mediatek/Makefile | 14 +
drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 302 +++++++
drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 240 ++++++
drivers/gpu/drm/mediatek/mtk_dpi.c | 769 +++++++++++++++++
drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 228 +++++
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 582 +++++++++++++
drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 32 +
drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 355 ++++++++
drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 41 +
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 225 +++++
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 150 ++++
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 567 +++++++++++++
drivers/gpu/drm/mediatek/mtk_drm_drv.h | 59 ++
drivers/gpu/drm/mediatek/mtk_drm_fb.c | 165 ++++
drivers/gpu/drm/mediatek/mtk_drm_fb.h | 23 +
drivers/gpu/drm/mediatek/mtk_drm_gem.c | 269 ++++++
drivers/gpu/drm/mediatek/mtk_drm_gem.h | 59 ++
drivers/gpu/drm/mediatek/mtk_drm_plane.c | 240 ++++++
drivers/gpu/drm/mediatek/mtk_drm_plane.h | 59 ++
drivers/gpu/drm/mediatek/mtk_dsi.c | 927 +++++++++++++++++++++
drivers/gpu/drm/mediatek/mtk_mipi_tx.c | 463 ++++++++++
include/dt-bindings/clock/mt8173-clk.h | 3 +-
31 files changed, 6332 insertions(+), 5 deletions(-)
create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
create mode 100644 drivers/gpu/drm/mediatek/Kconfig
create mode 100644 drivers/gpu/drm/mediatek/Makefile
create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_ovl.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_disp_rdma.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_dpi.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_dpi_regs.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_crtc.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_crtc.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_drv.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_drv.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_fb.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_fb.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_gem.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_gem.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_plane.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_plane.h
create mode 100644 drivers/gpu/drm/mediatek/mtk_dsi.c
create mode 100644 drivers/gpu/drm/mediatek/mtk_mipi_tx.c
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