summaryrefslogtreecommitdiffstats
path: root/drivers/video/Kconfig
diff options
context:
space:
mode:
authorDamian <dhobsong@igel.co.jp>2011-05-18 11:10:07 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-05-23 16:06:24 +0900
commit7caa4342ca5b37d2d178b464c16badd4228b3b7b (patch)
tree0111e05278facfc0eb92c46b80c577d1e1e694e4 /drivers/video/Kconfig
parent71a8638480eb8fb6cfabe2ee9ca3fbc6e3453a14 (diff)
downloadop-kernel-dev-7caa4342ca5b37d2d178b464c16badd4228b3b7b.zip
op-kernel-dev-7caa4342ca5b37d2d178b464c16badd4228b3b7b.tar.gz
sh_mobile_meram: MERAM framework for LCDC
Based on the patch by Takanari Hayama <taki@igel.co.jp> Adds support framework necessary to use Media RAM (MERAM) caching functionality with the LCDC. The MERAM is accessed through up to 4 Interconnect Buffers (ICBs). ICB numbers and MERAM address ranges to use are specified in by filling in the .meram_cfg member of the LCDC platform data Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/Kconfig')
-rw-r--r--drivers/video/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 6d13967..a0282b1 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1986,6 +1986,18 @@ config FB_SH_MOBILE_HDMI
---help---
Driver for the on-chip SH-Mobile HDMI controller.
+config FB_SH_MOBILE_MERAM
+ tristate "SuperH Mobile MERAM read ahead support for LCDC"
+ depends on FB_SH_MOBILE_LCDC
+ default y
+ ---help---
+ Enable MERAM support for the SH-Mobile LCD controller.
+
+ This will allow for caching of the framebuffer to provide more
+ reliable access under heavy main memory bus traffic situations.
+ Up to 4 memory channels can be configured, allowing 4 RGB or
+ 2 YCbCr framebuffers to be configured.
+
config FB_TMIO
tristate "Toshiba Mobile IO FrameBuffer support"
depends on FB && MFD_CORE
OpenPOWER on IntegriCloud