[Intel-gfx] [igt-dev] [PATCH i-g-t] i915/gem_concurrent_blit: Do not try to idle while submitting in parallel

[Summers, Stuart]

On Sun, 2019-08-18 at 10:49 +0100, Chris Wilson wrote:
> If we try to idle while another thread is submitting, we will be
> forced
> to wait until that other thread is finished -- effectively
> serialising
> the parallel workloads, defeating said purpose.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Stuart Summers <stuart.summers at intel.com>

> ---
>  tests/i915/gem_concurrent_all.c | 17 -----------------
>  1 file changed, 17 deletions(-)
> 
> diff --git a/tests/i915/gem_concurrent_all.c
> b/tests/i915/gem_concurrent_all.c
> index 3ddaab820..266995d14 100644
> --- a/tests/i915/gem_concurrent_all.c
> +++ b/tests/i915/gem_concurrent_all.c
> @@ -968,8 +968,6 @@ static void do_basic0(struct buffers *buffers,
>  		      do_copy do_copy_func,
>  		      do_hang do_hang_func)
>  {
> -	gem_quiescent_gpu(fd);
> -
>  	buffers->mode->set_bo(buffers, buffers->src[0], 0xdeadbeef);
>  	for (int i = 0; i < buffers->count; i++) {
>  		igt_hang_t hang = do_hang_func();
> @@ -985,8 +983,6 @@ static void do_basic1(struct buffers *buffers,
>  		      do_copy do_copy_func,
>  		      do_hang do_hang_func)
>  {
> -	gem_quiescent_gpu(fd);
> -
>  	for (int i = 0; i < buffers->count; i++) {
>  		igt_hang_t hang = do_hang_func();
>  
> @@ -1007,8 +1003,6 @@ static void do_basicN(struct buffers *buffers,
>  {
>  	igt_hang_t hang;
>  
> -	gem_quiescent_gpu(fd);
> -
>  	for (int i = 0; i < buffers->count; i++) {
>  		buffers->mode->set_bo(buffers, buffers->src[i], i);
>  		buffers->mode->set_bo(buffers, buffers->dst[i], ~i);
> @@ -1034,7 +1028,6 @@ static void do_overwrite_source(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = 0; i < buffers->count; i++) {
>  		buffers->mode->set_bo(buffers, buffers->src[i], i);
>  		buffers->mode->set_bo(buffers, buffers->dst[i], ~i);
> @@ -1058,7 +1051,6 @@ static void do_overwrite_source_read(struct
> buffers *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = 0; i < half; i++) {
>  		buffers->mode->set_bo(buffers, buffers->src[i], i);
>  		buffers->mode->set_bo(buffers, buffers->dst[i], ~i);
> @@ -1102,7 +1094,6 @@ static void do_overwrite_source__rev(struct
> buffers *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = 0; i < buffers->count; i++) {
>  		buffers->mode->set_bo(buffers, buffers->src[i], i);
>  		buffers->mode->set_bo(buffers, buffers->dst[i], ~i);
> @@ -1123,7 +1114,6 @@ static void do_overwrite_source__one(struct
> buffers *buffers,
>  {
>  	igt_hang_t hang;
>  
> -	gem_quiescent_gpu(fd);
>  	buffers->mode->set_bo(buffers, buffers->src[0], 0);
>  	buffers->mode->set_bo(buffers, buffers->dst[0], ~0);
>  	do_copy_func(buffers, buffers->dst[0], buffers->src[0]);
> @@ -1142,7 +1132,6 @@ static void do_intermix(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = 0; i < buffers->count; i++) {
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xdeadbeef^~i);
>  		buffers->mode->set_bo(buffers, buffers->dst[i], i);
> @@ -1196,7 +1185,6 @@ static void do_early_read(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = buffers->count; i--; )
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xdeadbeef);
>  	for (i = 0; i < buffers->count; i++)
> @@ -1214,7 +1202,6 @@ static void do_read_read_bcs(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = buffers->count; i--; )
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xdeadbeef ^ i);
>  	for (i = 0; i < buffers->count; i++) {
> @@ -1235,7 +1222,6 @@ static void do_write_read_bcs(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = buffers->count; i--; )
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xdeadbeef ^ i);
>  	for (i = 0; i < buffers->count; i++) {
> @@ -1255,7 +1241,6 @@ static void do_read_read_rcs(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = buffers->count; i--; )
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xdeadbeef ^ i);
>  	for (i = 0; i < buffers->count; i++) {
> @@ -1276,7 +1261,6 @@ static void do_write_read_rcs(struct buffers
> *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = buffers->count; i--; )
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xdeadbeef ^ i);
>  	for (i = 0; i < buffers->count; i++) {
> @@ -1296,7 +1280,6 @@ static void do_gpu_read_after_write(struct
> buffers *buffers,
>  	igt_hang_t hang;
>  	int i;
>  
> -	gem_quiescent_gpu(fd);
>  	for (i = buffers->count; i--; )
>  		buffers->mode->set_bo(buffers, buffers->src[i],
> 0xabcdabcd);
>  	for (i = 0; i < buffers->count; i++)
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