From 2b3a1f515fe1fc01c2359facfaae9fc44dda3a41 Mon Sep 17 00:00:00 2001
From: Feifei Xu <Feifei.Xu@amd.com>
Date: Tue, 19 Jan 2021 17:46:25 +0800
Subject: [PATCH] drm/amdgpu:Add pcie gen5 support in pcie capability.
Add PCIE_SPEED_32_0GT and PCIE GEN5 support for amdgpu.
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 16 ++++++++++++++--
drivers/gpu/drm/amd/include/amd_pcie.h | 2 ++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index bfaa99354bbcd..e3e5c48fbc8c1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4793,7 +4793,13 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev)
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 |
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3);
} else {
- if (speed_cap == PCIE_SPEED_16_0GT)
+ if (speed_cap == PCIE_SPEED_32_0GT)
+ adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 |
+ CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 |
+ CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 |
+ CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4 |
+ CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN5);
+ else if (speed_cap == PCIE_SPEED_16_0GT)
adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 |
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 |
CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 |
@@ -4813,7 +4819,13 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev)
adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2);
} else {
- if (platform_speed_cap == PCIE_SPEED_16_0GT)
+ if (platform_speed_cap == PCIE_SPEED_32_0GT)
+ adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
+ CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
+ CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 |
+ CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 |
+ CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5);
+ else if (platform_speed_cap == PCIE_SPEED_16_0GT)
adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 |
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 |
diff --git a/drivers/gpu/drm/amd/include/amd_pcie.h b/drivers/gpu/drm/amd/include/amd_pcie.h
index 9cb9ceb4d74dc..a1ece3eecdf5e 100644
--- a/drivers/gpu/drm/amd/include/amd_pcie.h
+++ b/drivers/gpu/drm/amd/include/amd_pcie.h
@@ -28,6 +28,7 @@
#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00020000
#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00040000
#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 0x00080000
+#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5 0x00100000
#define CAIL_PCIE_LINK_SPEED_SUPPORT_MASK 0xFFFF0000
#define CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT 16
@@ -36,6 +37,7 @@
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00000002
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00000004
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4 0x00000008
+#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN5 0x00000010
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK 0x0000FFFF
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_SHIFT 0
--
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