openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

gpu: host1x: Resize channel register region on Tegra186 and later 

The register region allocated per channel was decreased from 16384 bytes
to 256 bytes on Tegra186 and later. Resize the region to make sure every
channel (instead of only the first) is properly programmed.

Suggested-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2018-11-19 11:27:39 +01:00
parent 651022382c
commit b7c61d511d
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/host1x/hw/channel_hw.c
View File

@ -26,7 +26,6 @@
#include "../intr.h" #include "../intr.h"
#include "../job.h" #include "../job.h"
#define HOST1X_CHANNEL_SIZE 16384
#define TRACE_MAX_LENGTH 128U #define TRACE_MAX_LENGTH 128U
static void trace_write_gather(struct host1x_cdma *cdma, struct host1x_bo *bo, static void trace_write_gather(struct host1x_cdma *cdma, struct host1x_bo *bo,
@ -203,7 +202,11 @@ static void enable_gather_filter(struct host1x *host,
static int host1x_channel_init(struct host1x_channel *ch, struct host1x *dev, static int host1x_channel_init(struct host1x_channel *ch, struct host1x *dev,
unsigned int index) unsigned int index)
{ {
ch->regs = dev->regs + index * HOST1X_CHANNEL_SIZE; #if HOST1X_HW < 6
ch->regs = dev->regs + index * 0x4000;
#else
ch->regs = dev->regs + index * 0x100;
#endif
enable_gather_filter(dev, ch); enable_gather_filter(dev, ch);
return 0; return 0;
} }