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gpu: nvgpu: add is_pci_gpu

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Add a flag is_pci_gpu into platform data and gk20a, to support
igpu as pcie device.

JIRA NVGPU-9348

Change-Id: Iff1439ebb834b1673cb75ea26ca1e7626e1af0d5
Signed-off-by: Ramalingam C <ramalingamc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2835340
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Ramalingam C
2022-12-30 00:37:35 +00:00
committed by mobile promotions
parent 4bbc766454
commit d6be1bdcfe
3 changed files with 13 additions and 1 deletions
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2
drivers/gpu/nvgpu/include/nvgpu/gk20a.h
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@@ -936,6 +936,8 @@ struct gk20a {
#ifdef CONFIG_NVGPU_ENABLE_MISC_EC #ifdef CONFIG_NVGPU_ENABLE_MISC_EC
bool enable_polling; bool enable_polling;
#endif #endif
/** Check if igpu is available as pci device. */
bool is_pci_igpu;
}; };
/** /**

7
drivers/gpu/nvgpu/os/linux/pci.c
View File

@@ -115,6 +115,7 @@ static struct gk20a_platform nvgpu_pci_device[] = {
.dma_mask = DMA_BIT_MASK(40), .dma_mask = DMA_BIT_MASK(40),
.hardcode_sw_threshold = false, .hardcode_sw_threshold = false,
.unified_memory = false, .unified_memory = false,
.is_pci_igpu = false,
}, },
/* 0x1eba, 0x1efa, 0x1ebb, 0x1efb */ /* 0x1eba, 0x1efa, 0x1ebb, 0x1efb */
@@ -156,6 +157,7 @@ static struct gk20a_platform nvgpu_pci_device[] = {
#ifdef CONFIG_TEGRA_GK20A_NVHOST #ifdef CONFIG_TEGRA_GK20A_NVHOST
.has_syncpoints = true, .has_syncpoints = true,
#endif #endif
.is_pci_igpu = false,
}, },
/* 0x1eb0 (RTX 5000 : TU104 based) */ /* 0x1eb0 (RTX 5000 : TU104 based) */
@@ -195,6 +197,7 @@ static struct gk20a_platform nvgpu_pci_device[] = {
#ifdef CONFIG_TEGRA_GK20A_NVHOST #ifdef CONFIG_TEGRA_GK20A_NVHOST
.has_syncpoints = true, .has_syncpoints = true,
#endif #endif
.is_pci_igpu = false,
}, },
/* PG209 */ /* PG209 */
{ {
@@ -234,6 +237,7 @@ static struct gk20a_platform nvgpu_pci_device[] = {
#ifdef CONFIG_TEGRA_GK20A_NVHOST #ifdef CONFIG_TEGRA_GK20A_NVHOST
.has_syncpoints = true, .has_syncpoints = true,
#endif #endif
.is_pci_igpu = false,
}, },
}; };
@@ -544,6 +548,9 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
(u8 *)&nvgpu_pci_device[device_index], (u8 *)&nvgpu_pci_device[device_index],
sizeof(struct gk20a_platform)); sizeof(struct gk20a_platform));
g->is_pci_igpu = platform->is_pci_igpu;
nvgpu_info(g, "is_pci_igpu: %s", g->is_pci_igpu ? "true" : "false");
pci_set_drvdata(pdev, platform); pci_set_drvdata(pdev, platform);
err = nvgpu_init_errata_flags(g); err = nvgpu_init_errata_flags(g);

5
drivers/gpu/nvgpu/os/linux/platform_gk20a.h
View File

@@ -1,7 +1,7 @@
/* /*
* GK20A Platform (SoC) Interface * GK20A Platform (SoC) Interface
* *
* Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved. * Copyright (c) 2014-2023, NVIDIA CORPORATION. All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * under the terms and conditions of the GNU General Public License,
@@ -355,6 +355,9 @@ struct gk20a_platform {
/* synchronized access to platform->clks */ /* synchronized access to platform->clks */
struct nvgpu_mutex clks_lock; struct nvgpu_mutex clks_lock;
/* Check if igpu is available as pci device. */
bool is_pci_igpu;
}; };
static inline struct gk20a_platform *gk20a_get_platform( static inline struct gk20a_platform *gk20a_get_platform(