diff options
Diffstat (limited to 'drivers/gpu/host1x/hw/channel_hw.c')
| -rw-r--r-- | drivers/gpu/host1x/hw/channel_hw.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/gpu/host1x/hw/channel_hw.c b/drivers/gpu/host1x/hw/channel_hw.c index ee199623e36..4608257ab65 100644 --- a/drivers/gpu/host1x/hw/channel_hw.c +++ b/drivers/gpu/host1x/hw/channel_hw.c @@ -16,15 +16,15 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/host1x.h> #include <linux/slab.h> + #include <trace/events/host1x.h> -#include "host1x.h" -#include "host1x_bo.h" -#include "channel.h" -#include "dev.h" -#include "intr.h" -#include "job.h" +#include "../channel.h" +#include "../dev.h" +#include "../intr.h" +#include "../job.h" #define HOST1X_CHANNEL_SIZE 16384 #define TRACE_MAX_LENGTH 128U @@ -67,6 +67,22 @@ static void submit_gathers(struct host1x_job *job) } } +static inline void synchronize_syncpt_base(struct host1x_job *job) +{ + struct host1x *host = dev_get_drvdata(job->channel->dev->parent); + struct host1x_syncpt *sp = host->syncpt + job->syncpt_id; + u32 id, value; + + value = host1x_syncpt_read_max(sp); + id = sp->base->id; + + host1x_cdma_push(&job->channel->cdma, + host1x_opcode_setclass(HOST1X_CLASS_HOST1X, + HOST1X_UCLASS_LOAD_SYNCPT_BASE, 1), + HOST1X_UCLASS_LOAD_SYNCPT_BASE_BASE_INDX_F(id) | + HOST1X_UCLASS_LOAD_SYNCPT_BASE_VALUE_F(value)); +} + static int channel_submit(struct host1x_job *job) { struct host1x_channel *ch = job->channel; @@ -118,6 +134,10 @@ static int channel_submit(struct host1x_job *job) host1x_syncpt_read_max(sp))); } + /* Synchronize base register to allow using it for relative waiting */ + if (sp->base) + synchronize_syncpt_base(job); + syncval = host1x_syncpt_incr_max(sp, user_syncpt_incrs); job->syncpt_end = syncval; |