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This patch converts the drivers in drivers/video/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Alexey Charkov <alchark@gmail.com>
Acked-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
When ICBs are unregistered and later reused they need to be reset to
avoid data corruption. Set the WBF, WF and RF bits to make sure ICBs get
reset properly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
The drivers/video/sh_mobile_meram.h header contains unused definitions
and declarations. Move the only used macro to sh_mobile_meram.c, and
remove the header.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To reset the ICB on resume the MExxCTL register needs to be OR'ed with
MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF, no set to that value. Fix this.
This fixes corruption at the bottom of the display when resuming from
runtime PM.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Validate as much of the requested ICB configuration as possible outside
of the mutex-protected region when registering ICBs.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Instead of hardcoding register values through the driver, define macros
for individual register bits using the register name and the bit name,
and use the macros.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
There is no reason for sh_mobile_meram_priv to be in the .h file
since it should be private to sh_mobile_meram.c
Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
The check was intended to test if we have a valid pointer to write into,
but it mistakenly checks the pointer contents instead.
Since a valid pointer is mandatory for the chroma data if a YCbCr format
is used, the pointer check has been removed.
Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Since the NV24 framebuffer has a CbCr plane that is twice as wide
as the Y plane, it needs to be handled as a special case.
Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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>
