shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 03:15:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

video: rockchip: rga3: When current->mm is not needed, don’t get it.

Browse Source 
Signed-off-by: Yu Qiaowei <cerf.yu@rock-chips.com>
Change-Id: I27b09ff0d0470880897783ef2c4d488e1459df37
This commit is contained in:
Yu Qiaowei
2022-01-05 15:47:10 +08:00
parent 5bfd3a9293
commit 2777810757
1 changed files with 63 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/video/rockchip/rga3/rga_job.c
View File

@@ -108,6 +108,66 @@ static void print_job_info(struct rga_job *job)
job->priority, job->core);
}
static int rga_job_get_current_mm(struct rga_job *job)
{
int mmu_flag;
struct rga_img_info_t *src0 = NULL;
struct rga_img_info_t *src1 = NULL;
struct rga_img_info_t *dst = NULL;
struct rga_img_info_t *els = NULL;
src0 = &job->rga_command_base.src;
dst = &job->rga_command_base.dst;
if (job->rga_command_base.render_mode != UPDATE_PALETTE_TABLE_MODE)
src1 = &job->rga_command_base.pat;
else
els = &job->rga_command_base.pat;
if (likely(src0 != NULL)) {
mmu_flag = ((job->rga_command_base.mmu_info.mmu_flag >> 8) & 1);
if (mmu_flag && src0->uv_addr)
goto get_current_mm;
}
if (likely(dst != NULL)) {
mmu_flag = ((job->rga_command_base.mmu_info.mmu_flag >> 10) & 1);
if (mmu_flag && dst->uv_addr)
goto get_current_mm;
}
if (src1 != NULL) {
mmu_flag = ((job->rga_command_base.mmu_info.mmu_flag >> 9) & 1);
if (mmu_flag && src1->yrgb_addr)
goto get_current_mm;
}
if (els != NULL) {
mmu_flag = ((job->rga_command_base.mmu_info.mmu_flag >> 11) & 1);
if (mmu_flag && els->yrgb_addr)
goto get_current_mm;
}
return 0;
get_current_mm:
mmgrab(current->mm);
mmget(current->mm);
job->mm = current->mm;
return 1;
}
static void rga_job_put_current_mm(struct rga_job *job)
{
if (job->mm == NULL)
return;
mmput(job->mm);
mmdrop(job->mm);
job->mm = NULL;
}
static int rga_job_run(struct rga_job *job, struct rga_scheduler_t *scheduler)
{
int ret = 0;
@@ -230,9 +290,7 @@ void rga_job_done(struct rga_scheduler_t *rga_scheduler, int ret)
rga_scheduler);
rga_dma_put_info(job);
mmput(job->mm);
mmdrop(job->mm);
rga_job_put_current_mm(job);
if (job->out_fence)
dma_fence_signal(job->out_fence);
@@ -265,9 +323,7 @@ static void rga_job_timeout_clean(struct rga_scheduler_t *scheduler)
scheduler->ops->soft_reset(scheduler);
rga_dma_put_info(job);
mmput(job->mm);
mmdrop(job->mm);
rga_job_put_current_mm(job);
if (job->out_fence)
dma_fence_signal(job->out_fence);
@@ -442,9 +498,7 @@ int rga_job_commit(struct rga_req *rga_command_base, int flags)
return ret;
}
mmgrab(current->mm);
mmget(current->mm);
job->mm = current->mm;
rga_job_get_current_mm(job);
if (flags == RGA_BLIT_ASYNC) {
ret = rga_out_fence_alloc(job);