Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 749042b0 authored by Oded Gabbay's avatar Oded Gabbay
Browse files

drm/amdkfd: Fix bug in pipelines initialization 



This patch fixes a bug when calling to init_pipeline() interface.
The index that was passed to that function didn't take into account the
first_pipe value, which represents the first pipe index that is under amdkfd's
responsibility.

Signed-off-by: default avatarOded Gabbay <oded.gabbay@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
parent 5a8888a3

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

+5 −1
Original line number Diff line number Diff line
@@ -565,10 +565,14 @@ static int init_pipelines(struct device_queue_manager *dqm, 


	for (i = 0; i < pipes_num; i++) {

		inx = i + first_pipe;

		/*

		 * HPD buffer on GTT is allocated by amdkfd, no need to waste

		 * space in GTT for pipelines we don't initialize

		 */

		pipe_hpd_addr = dqm->pipelines_addr + i * CIK_HPD_EOP_BYTES;

		pr_debug("kfd: pipeline address %llX\n", pipe_hpd_addr);

		/* = log2(bytes/4)-1 */

		kfd2kgd->init_pipeline(dqm->dev->kgd, i,

		kfd2kgd->init_pipeline(dqm->dev->kgd, inx,

				CIK_HPD_EOP_BYTES_LOG2 - 3, pipe_hpd_addr);

	}