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drm/tegra: Enable actmon for OFA

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OFA has unit actmon monitoring its active time. Enabling actmon for OFA
to export load information of OFA.

Bug 4310958

Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Change-Id: I8df79f266da71c0cc248e603a07fec7508cbb8ce
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2990240
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Johnny Liu
2023-10-03 06:37:59 +00:00
committed by mobile promotions
parent 0b989c71b1
commit 0840137ad6
1 changed files with 31 additions and 0 deletions
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31
drivers/gpu/drm/tegra/ofa.c
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@@ -25,9 +25,16 @@
#include "hwpm.h"
#define OFA_TFBIF_TRANSCFG 0x1444
#define OFA_TFBIF_ACTMON_ACTIVE_MASK 0x144c
#define OFA_TFBIF_ACTMON_ACTIVE_BORPS 0x1450
#define OFA_SAFETY_RAM_INIT_REQ 0x3320
#define OFA_SAFETY_RAM_INIT_DONE 0x3324
#define OFA_TFBIF_ACTMON_ACTIVE_MASK_STARVED BIT(0)
#define OFA_TFBIF_ACTMON_ACTIVE_MASK_STALLED BIT(1)
#define OFA_TFBIF_ACTMON_ACTIVE_MASK_DELAYED BIT(2)
#define OFA_TFBIF_ACTMON_ACTIVE_BORPS_ACTIVE BIT(7)
struct ofa_config {
const char *firmware;
unsigned int version;
@@ -199,6 +206,18 @@ cleanup:
return err;
}
static void ofa_actmon_reg_init(struct ofa *ofa)
{
ofa_writel(ofa,
OFA_TFBIF_ACTMON_ACTIVE_MASK_STARVED |
OFA_TFBIF_ACTMON_ACTIVE_MASK_STALLED |
OFA_TFBIF_ACTMON_ACTIVE_MASK_DELAYED,
OFA_TFBIF_ACTMON_ACTIVE_MASK);
ofa_writel(ofa,
OFA_TFBIF_ACTMON_ACTIVE_BORPS_ACTIVE,
OFA_TFBIF_ACTMON_ACTIVE_BORPS);
}
static __maybe_unused int ofa_runtime_resume(struct device *dev)
{
@@ -219,6 +238,10 @@ static __maybe_unused int ofa_runtime_resume(struct device *dev)
if (err < 0)
goto disable;
ofa_actmon_reg_init(ofa);
host1x_actmon_enable(&ofa->client.base);
return 0;
disable:
@@ -234,6 +257,8 @@ static __maybe_unused int ofa_runtime_suspend(struct device *dev)
clk_disable_unprepare(ofa->clk);
host1x_actmon_disable(&ofa->client.base);
return 0;
}
@@ -370,6 +395,10 @@ static int ofa_probe(struct platform_device *pdev)
goto exit_falcon;
}
err = host1x_actmon_register(&ofa->client.base);
if (err < 0)
dev_info(dev, "failed to register host1x actmon: %d\n", err);
ofa->hwpm.dev = dev;
ofa->hwpm.regs = ofa->regs;
tegra_drm_hwpm_register(&ofa->hwpm, pdev->resource[0].start,
@@ -396,6 +425,8 @@ static int ofa_remove(struct platform_device *pdev)
tegra_drm_hwpm_unregister(&ofa->hwpm, pdev->resource[0].start,
TEGRA_DRM_HWPM_IP_OFA);
host1x_actmon_unregister(&ofa->client.base);
host1x_client_unregister(&ofa->client.base);
falcon_exit(&ofa->falcon);