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authorDave Airlie <airlied@redhat.com>2019-05-31 09:33:29 +1000
committerDave Airlie <airlied@redhat.com>2019-05-31 10:04:39 +1000
commit91c1ead6aee22d4595f50ba66070b94a4a8f84a9 (patch)
tree066ffa1c352b6257dd37cda6a1df53159e133f2e /drivers/gpu/drm/amd/amdgpu/cik.c
parent14ee642c2ab0a3d8a1ded11fade692d8b77172b9 (diff)
parentcf401e2856b27b2deeada498eab864e2a50cf219 (diff)
Merge branch 'drm-next-5.3' of git://people.freedesktop.org/~agd5f/linux into drm-next
New stuff for 5.3: - Add new thermal sensors for vega asics - Various RAS fixes - Add sysfs interface for memory interface utilization - Use HMM rather than mmu notifier for user pages - Expose xgmi topology via kfd - SR-IOV fixes - Fixes for manual driver reload - Add unique identifier for vega asics - Clean up user fence handling with UVD/VCE/VCN blocks - Convert DC to use core bpc attribute rather than a custom one - Add GWS support for KFD - Vega powerplay improvements - Add CRC support for DCE 12 - SR-IOV support for new security policy - Various cleanups From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190529220944.14464-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 07c1f239e9c3..3a4f20766a39 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1804,6 +1804,18 @@ static bool cik_need_reset_on_init(struct amdgpu_device *adev)
return false;
}
+static uint64_t cik_get_pcie_replay_count(struct amdgpu_device *adev)
+{
+ uint64_t nak_r, nak_g;
+
+ /* Get the number of NAKs received and generated */
+ nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK);
+ nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED);
+
+ /* Add the total number of NAKs, i.e the number of replays */
+ return (nak_r + nak_g);
+}
+
static const struct amdgpu_asic_funcs cik_asic_funcs =
{
.read_disabled_bios = &cik_read_disabled_bios,
@@ -1821,6 +1833,7 @@ static const struct amdgpu_asic_funcs cik_asic_funcs =
.init_doorbell_index = &legacy_doorbell_index_init,
.get_pcie_usage = &cik_get_pcie_usage,
.need_reset_on_init = &cik_need_reset_on_init,
+ .get_pcie_replay_count = &cik_get_pcie_replay_count,
};
static int cik_common_early_init(void *handle)