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drm/tegra: Export active signal to actmon

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As long as the subcomponents in the engine are active, we consider the
engine as active and the engine should export active signal to the
actmon.

Bug 4179140

Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Change-Id: Ic4cccf29e8ac87da24f6fe3bf1f1e93a11511762
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2930445
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Johnny Liu
2023-07-04 03:02:15 +00:00
committed by mobile promotions
parent 38c963de57
commit 4241a7c976
5 changed files with 92 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/gpu/drm/tegra/nvdec.c
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@@ -3,6 +3,7 @@
* Copyright (c) 2015-2023, NVIDIA CORPORATION & AFFILIATES. All Rights Reserved.
*/
#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/devfreq.h>
@@ -29,14 +30,23 @@
#include "riscv.h"
#include "util.h"
#define NVDEC_FW_MTHD_ADDR_ACTMON_WEIGHT 0xC9U
#define NVDEC_FW_MTHD_ADDR_ACTMON_ACTIVE_MASK 0xCAU
#define NVDEC_FW_MTHD_ADDR_ACTMON_ACTIVE_BORPS 0xCBU
#define NVDEC_FW_MTHD_ADDR_ACTMON_ACTIVE_WEIGHT 0xC9U
#define NVDEC_FALCON_UCLASS_METHOD_OFFSET 0x40
#define NVDEC_FALCON_UCLASS_METHOD_DATA 0x44
#define NVDEC_FALCON_DEBUGINFO 0x1094
#define NVDEC_TFBIF_TRANSCFG 0x2c44
#define NVDEC_TFBIF_ACTMON_ACTIVE_MASK 0x2c4c
#define NVDEC_TFBIF_ACTMON_ACTIVE_BORPS 0x2c50
#define NVDEC_TFBIF_ACTMON_ACTIVE_WEIGHT 0x2c54
#define NVDEC_AXI_RW_BANDWIDTH 512
#define NVDEC_TFBIF_ACTMON_ACTIVE_MASK_STARVED BIT(0)
#define NVDEC_TFBIF_ACTMON_ACTIVE_MASK_STALLED BIT(1)
#define NVDEC_TFBIF_ACTMON_ACTIVE_MASK_DELAYED BIT(2)
#define NVDEC_TFBIF_ACTMON_ACTIVE_BORPS_ACTIVE BIT(7)
struct nvdec_config {
const char *firmware;
unsigned int version;
@@ -109,7 +119,7 @@ static int nvdec_set_rate(struct nvdec *nvdec, unsigned long rate)
nvdec_writel(nvdec, weight, NVDEC_TFBIF_ACTMON_ACTIVE_WEIGHT);
} else {
nvdec_writel(nvdec,
NVDEC_FW_MTHD_ADDR_ACTMON_WEIGHT,
NVDEC_FW_MTHD_ADDR_ACTMON_ACTIVE_WEIGHT,
NVDEC_FALCON_UCLASS_METHOD_OFFSET);
nvdec_writel(nvdec, weight, NVDEC_FALCON_UCLASS_METHOD_DATA);
}
@@ -523,6 +533,22 @@ static __maybe_unused int nvdec_runtime_resume(struct device *dev)
err = nvdec_boot_riscv(nvdec);
if (err < 0)
goto disable;
nvdec_writel(nvdec,
NVDEC_FW_MTHD_ADDR_ACTMON_ACTIVE_MASK,
NVDEC_FALCON_UCLASS_METHOD_OFFSET);
nvdec_writel(nvdec,
NVDEC_TFBIF_ACTMON_ACTIVE_MASK_DELAYED |
NVDEC_TFBIF_ACTMON_ACTIVE_MASK_STALLED |
NVDEC_TFBIF_ACTMON_ACTIVE_MASK_STARVED,
NVDEC_FALCON_UCLASS_METHOD_DATA);
nvdec_writel(nvdec,
NVDEC_FW_MTHD_ADDR_ACTMON_ACTIVE_BORPS,
NVDEC_FALCON_UCLASS_METHOD_OFFSET);
nvdec_writel(nvdec,
NVDEC_TFBIF_ACTMON_ACTIVE_BORPS_ACTIVE,
NVDEC_FALCON_UCLASS_METHOD_DATA);
} else {
err = nvdec_load_falcon_firmware(nvdec);
if (err < 0)
@@ -531,6 +557,16 @@ static __maybe_unused int nvdec_runtime_resume(struct device *dev)
err = nvdec_boot_falcon(nvdec);
if (err < 0)
goto disable;
nvdec_writel(nvdec,
NVDEC_TFBIF_ACTMON_ACTIVE_MASK_DELAYED |
NVDEC_TFBIF_ACTMON_ACTIVE_MASK_STALLED |
NVDEC_TFBIF_ACTMON_ACTIVE_MASK_STARVED,
NVDEC_TFBIF_ACTMON_ACTIVE_MASK);
nvdec_writel(nvdec,
NVDEC_TFBIF_ACTMON_ACTIVE_BORPS_ACTIVE,
NVDEC_TFBIF_ACTMON_ACTIVE_BORPS);
}
devfreq_resume_device(nvdec->devfreq);