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From: Alex Deucher <alexdeucher@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 3/5] drm/amdgpu/cgs: add sys info query for pcie gen and link width
Date: Thu, 12 Nov 2015 11:48:14 -0500	[thread overview]
Message-ID: <1447346896-1577-3-git-send-email-alexander.deucher@amd.com> (raw)
In-Reply-To: <1447346896-1577-1-git-send-email-alexander.deucher@amd.com>

Needed by powerplay to properly handle pcie dpm switching.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c  | 6 ++++++
 drivers/gpu/drm/amd/include/cgs_common.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index a611401a..6fa0fea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -754,6 +754,12 @@ static int amdgpu_cgs_query_system_info(void *cgs_device,
 	case CGS_SYSTEM_INFO_ADAPTER_BDF_ID:
 		sys_info->value = adev->pdev->devfn | (adev->pdev->bus->number << 8);
 		break;
+	case CGS_SYSTEM_INFO_PCIE_GEN_INFO:
+		sys_info->value = adev->pm.pcie_gen_mask;
+		break;
+	case CGS_SYSTEM_INFO_PCIE_MLW:
+		sys_info->value = adev->pm.pcie_mlw_mask;
+		break;
 	default:
 		return -ENODEV;
 	}
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index 2bbffd1..03affb3 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -107,6 +107,8 @@ enum cgs_ucode_id {
 
 enum cgs_system_info_id {
 	CGS_SYSTEM_INFO_ADAPTER_BDF_ID = 1,
+	CGS_SYSTEM_INFO_PCIE_GEN_INFO,
+	CGS_SYSTEM_INFO_PCIE_MLW,
 	CGS_SYSTEM_INFO_ID_MAXIMUM,
 };
 
-- 
1.8.3.1

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  parent reply	other threads:[~2015-11-12 16:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12 16:48 [PATCH 1/5] drm: add drm_pcie_get_max_link_width helper Alex Deucher
2015-11-12 16:48 ` [PATCH 2/5] drm/amdgpu: store pcie gen mask and link width Alex Deucher
2015-11-12 16:48 ` Alex Deucher [this message]
2015-11-12 16:48 ` [PATCH 4/5] drm/amdgpu/powerplay/tonga: query supported pcie info from cgs (v2) Alex Deucher
2015-11-12 16:48 ` [PATCH 5/5] drm/amdgpu/powerplay/fiji: " Alex Deucher

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