From: Ben Goz <ben....@amd.com>

This commit is a bug fix for 32b hsa processes support

Signed-off-by: Ben Goz <ben....@amd.com>
Signed-off-by: Oded Gabbay <oded.gab...@amd.com>
---
 drivers/gpu/hsa/radeon/cik_regs.h                 | 1 +
 drivers/gpu/hsa/radeon/kfd_device_queue_manager.c | 8 +++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/hsa/radeon/cik_regs.h 
b/drivers/gpu/hsa/radeon/cik_regs.h
index fa5ec01..a6404e3 100644
--- a/drivers/gpu/hsa/radeon/cik_regs.h
+++ b/drivers/gpu/hsa/radeon/cik_regs.h
@@ -45,6 +45,7 @@
 /* if PTR32, this is the upper limit of GPUVM */
 #define        SH_MEM_CONFIG                                   0x8C34
 #define        PTR32                                           (1 << 0)
+#define PRIVATE_ATC                                    (1 << 1)
 #define        ALIGNMENT_MODE(x)                               ((x) << 2)
 #define        SH_MEM_ALIGNMENT_MODE_DWORD                     0
 #define        SH_MEM_ALIGNMENT_MODE_DWORD_STRICT              1
diff --git a/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c 
b/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c
index 01573b1..3e1def1 100644
--- a/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c
+++ b/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c
@@ -90,15 +90,17 @@ static void init_process_memory(struct device_queue_manager 
*dqm, struct qcm_pro
        if (qpd->pqm->process->is_32bit_user_mode) {
                temp = get_sh_mem_bases_32(qpd->pqm->process, dqm->dev);
                qpd->sh_mem_bases = SHARED_BASE(temp);
+               qpd->sh_mem_config = PTR32;
        } else {
                temp = get_sh_mem_bases_nybble_64(qpd->pqm->process, dqm->dev);
                qpd->sh_mem_bases = compute_sh_mem_bases_64bit(temp);
+               qpd->sh_mem_config = 0;
        }
 
-       qpd->sh_mem_config = ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED);
+       qpd->sh_mem_config |= ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED);
        qpd->sh_mem_config |= DEFAULT_MTYPE(MTYPE_NONCACHED);
        qpd->sh_mem_ape1_limit = 0;
-       qpd->sh_mem_ape1_base = 1;
+       qpd->sh_mem_ape1_base = 0;
 
        pr_debug("kfd: is32bit process: %d sh_mem_bases nybble: 0x%X and 
register 0x%X\n",
                qpd->pqm->process->is_32bit_user_mode, temp, qpd->sh_mem_bases);
@@ -854,7 +856,7 @@ static int execute_queues_cpsch(struct device_queue_manager 
*dqm)
        }
 
        if (dqm->queue_count <= 0 || dqm->processes_count <= 0)
-                               return 0;
+               return 0;
 
        mutex_lock(&dqm->lock);
        if (dqm->active_runlist) {
-- 
1.9.1

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