linux-toradex.git/drivers/gpu/host1x/syncpt.c, branch v4.9.16

gpu: host1x: Remove useless local variable

2016-06-23T09:59:33+00:00

The local 'val' variable is used to store a value and immediately return
it to its caller, and hence serves no purpose. Just drop it and directly
return the value.

Signed-off-by: Thierry Reding

gpu: host1x: Whitespace cleanup for readability

2016-06-23T09:59:30+00:00

Insert a number of blank lines in places where they increase readability
of the code. Also collapse various variable declarations to shorten some
functions and finally rewrite some code for readability.

Signed-off-by: Thierry Reding

gpu: host1x: Fix a couple of checkpatch warnings

2016-06-23T09:59:28+00:00

Fix a couple of occurrences where no blank line was used to separate
variable declarations from code or where block comments were wrongly
formatted.

Signed-off-by: Thierry Reding

gpu: host1x: syncpt: Use kcalloc() instead of kzalloc()

2016-06-23T09:59:28+00:00

Use kcalloc() to allocate arrays rather than passing the product of the
size per element by the number of elements to kzalloc().

Signed-off-by: Thierry Reding

gpu: host1x: Use unsigned int consistently for IDs

2016-06-23T09:59:24+00:00

IDs can never be negative so use unsigned int. In some instances an
explicitly sized type (such as u32) was used for no particular reason,
so turn those into unsigned int as well for consistency.

Signed-off-by: Thierry Reding

gpu: host1x: Consistently use unsigned int for counts

2016-06-23T09:59:23+00:00

The number of channels, syncpoints, bases and mlocks can never be
negative, so use unsigned int instead of int. Also make loop variables
the same type for consistency.

Signed-off-by: Thierry Reding

gpu: host1x: Export host1x_syncpt_read()

2015-04-02T16:46:20+00:00

This function is used to read the current value of the syncpt and is
useful in situations where drivers don't schedule work and wait for the
syncpoint to increment. One particular use-case is using the syncpoint
as a VBLANK counter.

Signed-off-by: Thierry Reding

gpu: host1x: export host1x_syncpt_incr_max() function

2014-04-04T07:12:49+00:00

Tegra V4L2 camera driver needs this function to do frame capture.

Signed-off-by: Bryan Wu 
Signed-off-by: Thierry Reding

gpu: host1x: Export public API

2013-12-19T08:29:50+00:00

Make the public API symbols visible so that depending drivers can be
built as a module.

Signed-off-by: Thierry Reding

gpu: host1x: Add syncpoint base support

2013-10-31T08:55:48+00:00

This patch adds support for hardware syncpoint bases. This creates
a simple mechanism to stall the command FIFO until an operation is
completed.

Signed-off-by: Arto Merilainen 
Reviewed-by: Terje Bergstrom 
Signed-off-by: Thierry Reding