[PATCH 4.14 294/496] drm/amdkfd: Fix scratch memory with HWS enabled

From: Greg Kroah-Hartman
Date: Mon May 28 2018 - 08:57:08 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Felix Kuehling <Felix.Kuehling@xxxxxxx>

[ Upstream commit c70a36268799cf2f902b5a31e452571fcb96bfe9 ]

Program sh_hidden_private_base_vmid correctly in the map-process
PM4 packet.

Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Reviewed-by: Oded Gabbay <oded.gabbay@xxxxxxxxx>
Signed-off-by: Oded Gabbay <oded.gabbay@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -166,8 +166,7 @@ static int pm_create_map_process(struct
packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base;
packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit;

- /* TODO: scratch support */
- packet->sh_hidden_private_base_vmid = 0;
+ packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base;

packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);