nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-25 02:52:51 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: pmgrpmu: Reduce stack usage

Browse Source 
Allocate PMU PWRMGR structure from heap instead of stack. It is very
big and can cause build errors on some compilers.

Change-Id: I2727bb70d04b61c1ea43cfb7398b7b14b01e78ee
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1612646
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Terje Bergstrom
2017-11-28 15:11:35 -08:00
committed by mobile promotions
parent f3dcf5f534
commit ee0bc391e0
1 changed files with 21 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/gpu/nvgpu/pmgr/pmgrpmu.c
View File

@@ -180,12 +180,16 @@ static u32 pmgr_send_i2c_device_topology_to_pmu(struct gk20a *g)
static u32 pmgr_send_pwr_device_topology_to_pmu(struct gk20a *g)
{
struct nv_pmu_pmgr_pwr_device_desc_table pwr_desc_table;
struct nv_pmu_pmgr_pwr_device_desc_table *pwr_desc_table;
struct nv_pmu_pmgr_pwr_device_desc_table_header *ppwr_desc_header;
u32 status = 0;
/* Set the BA-device-independent HW information */
ppwr_desc_header = &(pwr_desc_table.hdr.data);
pwr_desc_table = nvgpu_kzalloc(g, sizeof(*pwr_desc_table));
if (!pwr_desc_table)
return -ENOMEM;
ppwr_desc_header = &(pwr_desc_table->hdr.data);
ppwr_desc_header->ba_info.b_initialized_and_used = false;
/* populate the table */
@@ -194,7 +198,7 @@ static u32 pmgr_send_pwr_device_topology_to_pmu(struct gk20a *g)
status = boardobjgrp_pmudatainit_legacy(g,
&g->pmgr_pmu.pmgr_deviceobjs.super.super,
(struct nv_pmu_boardobjgrp_super *)&pwr_desc_table);
(struct nv_pmu_boardobjgrp_super *)pwr_desc_table);
if (status) {
nvgpu_err(g, "boardobjgrp_pmudatainit_legacy failed %x",
@@ -209,27 +213,32 @@ static u32 pmgr_send_pwr_device_topology_to_pmu(struct gk20a *g)
(u16)sizeof(
union nv_pmu_pmgr_pwr_device_dmem_size),
(u16)sizeof(struct nv_pmu_pmgr_pwr_device_desc_table),
&pwr_desc_table);
pwr_desc_table);
if (status)
nvgpu_err(g, "pmgr_pmu_set_object failed %x",
status);
exit:
kfree(pwr_desc_table);
return status;
}
static u32 pmgr_send_pwr_mointer_to_pmu(struct gk20a *g)
{
struct nv_pmu_pmgr_pwr_monitor_pack pwr_monitor_pack;
struct nv_pmu_pmgr_pwr_monitor_pack *pwr_monitor_pack = NULL;
struct nv_pmu_pmgr_pwr_channel_header *pwr_channel_hdr;
struct nv_pmu_pmgr_pwr_chrelationship_header *pwr_chrelationship_header;
u32 max_dmem_size;
u32 status = 0;
pwr_monitor_pack = nvgpu_kzalloc(g, sizeof(*pwr_monitor_pack));
if (!pwr_monitor_pack)
return -ENOMEM;
/* Copy all the global settings from the RM copy */
pwr_channel_hdr = &(pwr_monitor_pack.channels.hdr.data);
pwr_monitor_pack = g->pmgr_pmu.pmgr_monitorobjs.pmu_data;
pwr_channel_hdr = &(pwr_monitor_pack->channels.hdr.data);
*pwr_monitor_pack = g->pmgr_pmu.pmgr_monitorobjs.pmu_data;
boardobjgrpe32hdrset((struct nv_pmu_boardobjgrp *)&pwr_channel_hdr->super,
g->pmgr_pmu.pmgr_monitorobjs.pwr_channels.super.objmask);
@@ -237,7 +246,7 @@ static u32 pmgr_send_pwr_mointer_to_pmu(struct gk20a *g)
/* Copy in each channel */
status = boardobjgrp_pmudatainit_legacy(g,
&g->pmgr_pmu.pmgr_monitorobjs.pwr_channels.super,
(struct nv_pmu_boardobjgrp_super *)&(pwr_monitor_pack.channels));
(struct nv_pmu_boardobjgrp_super *)&(pwr_monitor_pack->channels));
if (status) {
nvgpu_err(g, "boardobjgrp_pmudatainit_legacy failed %x",
@@ -246,7 +255,7 @@ static u32 pmgr_send_pwr_mointer_to_pmu(struct gk20a *g)
}
/* Copy in each channel relationship */
pwr_chrelationship_header = &(pwr_monitor_pack.ch_rels.hdr.data);
pwr_chrelationship_header = &(pwr_monitor_pack->ch_rels.hdr.data);
boardobjgrpe32hdrset((struct nv_pmu_boardobjgrp *)&pwr_chrelationship_header->super,
g->pmgr_pmu.pmgr_monitorobjs.pwr_ch_rels.super.objmask);
@@ -256,7 +265,7 @@ static u32 pmgr_send_pwr_mointer_to_pmu(struct gk20a *g)
status = boardobjgrp_pmudatainit_legacy(g,
&g->pmgr_pmu.pmgr_monitorobjs.pwr_ch_rels.super,
(struct nv_pmu_boardobjgrp_super *)&(pwr_monitor_pack.ch_rels));
(struct nv_pmu_boardobjgrp_super *)&(pwr_monitor_pack->ch_rels));
if (status) {
nvgpu_err(g, "boardobjgrp_pmudatainit_legacy failed %x",
@@ -273,13 +282,14 @@ static u32 pmgr_send_pwr_mointer_to_pmu(struct gk20a *g)
NV_PMU_PMGR_OBJECT_PWR_MONITOR,
(u16)max_dmem_size,
(u16)sizeof(struct nv_pmu_pmgr_pwr_monitor_pack),
&pwr_monitor_pack);
pwr_monitor_pack);
if (status)
nvgpu_err(g, "pmgr_pmu_set_object failed %x",
status);
exit:
kfree(pwr_monitor_pack);
return status;
}