[PATCH 1/2] drm/amdkfd: Hardware DWORD size is 4 bytes
Felix Kuehling
Felix.Kuehling at amd.com
Mon Nov 6 19:52:27 UTC 2017
Don't use sizeof(uint32_t) or similar types for hardware or firmware
DWORD size. The hardware and firmware don't care about Linux types.
Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c | 14 +++++---------
drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c | 10 ++++------
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 9 ++++-----
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 2 +-
5 files changed, 15 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
index c407f6b..afb26f2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
@@ -95,7 +95,7 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev,
ib_packet->bitfields3.ib_base_hi = largep->u.high_part;
ib_packet->control = (1 << 23) | (1 << 31) |
- ((size_in_bytes / sizeof(uint32_t)) & 0xfffff);
+ ((size_in_bytes / 4) & 0xfffff);
ib_packet->bitfields5.pasid = pasid;
@@ -126,8 +126,7 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev,
rm_packet->header.opcode = IT_RELEASE_MEM;
rm_packet->header.type = PM4_TYPE_3;
- rm_packet->header.count = sizeof(struct pm4__release_mem) /
- sizeof(unsigned int) - 2;
+ rm_packet->header.count = sizeof(struct pm4__release_mem) / 4 - 2;
rm_packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT;
rm_packet->bitfields2.event_index =
@@ -652,8 +651,7 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev,
packets_vec[0].header.opcode = IT_SET_UCONFIG_REG;
packets_vec[0].header.type = PM4_TYPE_3;
packets_vec[0].bitfields2.reg_offset =
- GRBM_GFX_INDEX / (sizeof(uint32_t)) -
- USERCONFIG_REG_BASE;
+ GRBM_GFX_INDEX / 4 - USERCONFIG_REG_BASE;
packets_vec[0].bitfields2.insert_vmid = 0;
packets_vec[0].reg_data[0] = reg_gfx_index.u32All;
@@ -661,8 +659,7 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev,
packets_vec[1].header.count = 1;
packets_vec[1].header.opcode = IT_SET_CONFIG_REG;
packets_vec[1].header.type = PM4_TYPE_3;
- packets_vec[1].bitfields2.reg_offset = SQ_CMD / (sizeof(uint32_t)) -
- AMD_CONFIG_REG_BASE;
+ packets_vec[1].bitfields2.reg_offset = SQ_CMD / 4 - AMD_CONFIG_REG_BASE;
packets_vec[1].bitfields2.vmid_shift = SQ_CMD_VMID_OFFSET;
packets_vec[1].bitfields2.insert_vmid = 1;
@@ -678,8 +675,7 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev,
packets_vec[2].ordinal1 = packets_vec[0].ordinal1;
packets_vec[2].bitfields2.reg_offset =
- GRBM_GFX_INDEX / (sizeof(uint32_t)) -
- USERCONFIG_REG_BASE;
+ GRBM_GFX_INDEX / 4 - USERCONFIG_REG_BASE;
packets_vec[2].bitfields2.insert_vmid = 0;
packets_vec[2].reg_data[0] = reg_gfx_index.u32All;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index 8b0c064..5dc6567 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -218,7 +218,7 @@ static int acquire_packet_buffer(struct kernel_queue *kq,
rptr = *kq->rptr_kernel;
wptr = *kq->wptr_kernel;
queue_address = (unsigned int *)kq->pq_kernel_addr;
- queue_size_dwords = kq->queue->properties.queue_size / sizeof(uint32_t);
+ queue_size_dwords = kq->queue->properties.queue_size / 4;
pr_debug("rptr: %d\n", rptr);
pr_debug("wptr: %d\n", wptr);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
index 9873929..efed6ef 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
@@ -154,7 +154,7 @@ static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id,
{
/* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */
uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
- uint32_t wptr_mask = (uint32_t)((p->queue_size / sizeof(uint32_t)) - 1);
+ uint32_t wptr_mask = (uint32_t)((p->queue_size / 4) - 1);
return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id,
(uint32_t __user *)p->write_ptr,
@@ -183,8 +183,7 @@ static int update_mqd(struct mqd_manager *mm, void *mqd,
* Calculating queue size which is log base 2 of actual queue size -1
* dwords and another -1 for ffs
*/
- m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int))
- - 1 - 1;
+ m->cp_hqd_pq_control |= ffs(q->queue_size / 4) - 1 - 1;
m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
@@ -209,7 +208,7 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
struct cik_sdma_rlc_registers *m;
m = get_sdma_mqd(mqd);
- m->sdma_rlc_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)
+ m->sdma_rlc_rb_cntl = (ffs(q->queue_size / 4) - 1)
<< SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
@@ -350,8 +349,7 @@ static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
* Calculating queue size which is log base 2 of actual queue
* size -1 dwords
*/
- m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int))
- - 1 - 1;
+ m->cp_hqd_pq_control |= ffs(q->queue_size / 4) - 1 - 1;
m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
index a117d2b..85e1b67 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
@@ -103,7 +103,7 @@ static int load_mqd(struct mqd_manager *mm, void *mqd,
{
/* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */
uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
- uint32_t wptr_mask = (uint32_t)((p->queue_size / sizeof(uint32_t)) - 1);
+ uint32_t wptr_mask = (uint32_t)((p->queue_size / 4) - 1);
return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id,
(uint32_t __user *)p->write_ptr,
@@ -121,8 +121,7 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd,
m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT |
atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT |
mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT;
- m->cp_hqd_pq_control |=
- ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;
+ m->cp_hqd_pq_control |= ffs(q->queue_size / 4) - 1 - 1;
pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control);
m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8);
@@ -152,7 +151,7 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd,
* is safe, giving a maximum field value of 0xA.
*/
m->cp_hqd_eop_control |= min(0xA,
- ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);
+ ffs(q->eop_ring_buffer_size / 4) - 1 - 1);
m->cp_hqd_eop_base_addr_lo =
lower_32_bits(q->eop_ring_buffer_address >> 8);
m->cp_hqd_eop_base_addr_hi =
@@ -288,7 +287,7 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
struct vi_sdma_mqd *m;
m = get_sdma_mqd(mqd);
- m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)
+ m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / 4) - 1)
<< SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 16da8ad..69c147a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -45,7 +45,7 @@ static unsigned int build_pm4_header(unsigned int opcode, size_t packet_size)
header.u32All = 0;
header.opcode = opcode;
- header.count = packet_size/sizeof(uint32_t) - 2;
+ header.count = packet_size / 4 - 2;
header.type = PM4_TYPE_3;
return header.u32All;
--
2.7.4
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