redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

drm/amdkfd: fix runlist length calculation

Browse source 
The MAP_QUEUES packet length for Carrizo is different than for Kaveri.
Therefore, we now need to calculate the runlist length with regard to the
underlying H/W.

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Ben Goz 2015-01-06 11:32:13 +02:00 committed by Oded Gabbay
parent 914bea6329
commit e1940fa4bf
1 changed files with 7 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
View file

@ -27,6 +27,7 @@
#include "kfd_kernel_queue.h"
#include "kfd_priv.h"
#include "kfd_pm4_headers.h"
#include "kfd_pm4_headers_vi.h"
#include "kfd_pm4_opcodes.h"
static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes,
@ -55,6 +56,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
bool *over_subscription)
{
unsigned int process_count, queue_count;
unsigned int map_queue_size;
BUG_ON(!pm || !rlib_size || !over_subscription);
@ -69,9 +71,13 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
pr_debug("kfd: over subscribed runlist\n");
}
map_queue_size =
(pm->dqm->dev->device_info->asic_family == CHIP_CARRIZO) ?
sizeof(struct pm4_mes_map_queues) :
sizeof(struct pm4_map_queues);
/* calculate run list ib allocation size */
*rlib_size = process_count * sizeof(struct pm4_map_process) +
queue_count * sizeof(struct pm4_map_queues);
queue_count * map_queue_size;
/*
* Increase the allocation size in case we need a chained run list