Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1389132

[PATCH 0/2] drm/arcpgu: Get use of dedicated memory area for frame buffer

From Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Newsgroups linux.kernel
Subject [PATCH 0/2] drm/arcpgu: Get use of dedicated memory area for frame buffer
Date 2016-04-27 16:40 +0200
Message-ID <rsyNc-2L2-11@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


This mini-series allows to allocate frame buffer memory in desired
location. Allocation of a frame buffer memory in a special memory region
allows bypassing of so-called IO Coherency aperture which is typically set
as a range 0x8z-0xAz.

I.e. all data traffic to PGU bypasses IO Coherency block
and saves its bandwidth for other peripherals.

Cc: Cc: Dave Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: devicetree@vger.kernel.org

Alexey Brodkin (2):
  drm/arcpgu: use dedicated memory area for frame buffer
  ARC: [axs10x] Specify reserved memory for frame buffer

 arch/arc/boot/dts/axc001.dtsi     | 20 +++++++++++++++++++-
 arch/arc/boot/dts/axc003.dtsi     | 14 ++++++++++++++
 arch/arc/boot/dts/axc003_idu.dtsi | 14 ++++++++++++++
 arch/arc/boot/dts/axs10x_mb.dtsi  |  2 +-
 drivers/gpu/drm/arc/arcpgu_drv.c  |  6 ++++++
 5 files changed, 54 insertions(+), 2 deletions(-)

-- 
2.5.5

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread


Thread

[PATCH 0/2] drm/arcpgu: Get use of dedicated memory area for frame buffer Alexey Brodkin <Alexey.Brodkin@synopsys.com> - 2016-04-27 16:40 +0200
  [PATCH 1/2] drm/arcpgu: use dedicated memory area for frame buffer Alexey Brodkin <Alexey.Brodkin@synopsys.com> - 2016-04-27 16:40 +0200

csiph-web