summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLijo Lazar <lijo.lazar@amd.com>2025-05-29 13:29:11 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-15 12:13:39 +0200
commitbcdd7499bdefc646e9865e22ce01abcdc6acbd86 (patch)
treebf4a9080870520b98f50ef7c05fe07382883e890
parentb56acee24e33db85bfc8af8dbdae1dd684435235 (diff)
drm/amdgpu: Remove nbiov7.9 replay count reporting
[ Upstream commit 0f566f0e9c614aa3d95082246f5b8c9e8a09c8b3 ] Direct pcie replay count reporting is not available on nbio v7.9. Reporting is done through firmware. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Acked-by: Mangesh Gadre <Mangesh.Gadre@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Fixes: 50709d18f4a6 ("drm/amdgpu: Add pci replay count to nbio v7.9") Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
index d1bd79bbae53..8e401f8b2a05 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
@@ -32,9 +32,6 @@
#define NPS_MODE_MASK 0x000000FFL
-/* Core 0 Port 0 counter */
-#define smnPCIEP_NAK_COUNTER 0x1A340218
-
static void nbio_v7_9_remap_hdp_registers(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
@@ -453,22 +450,6 @@ static void nbio_v7_9_init_registers(struct amdgpu_device *adev)
}
}
-static u64 nbio_v7_9_get_pcie_replay_count(struct amdgpu_device *adev)
-{
- u32 val, nak_r, nak_g;
-
- if (adev->flags & AMD_IS_APU)
- return 0;
-
- /* Get the number of NAKs received and generated */
- val = RREG32_PCIE(smnPCIEP_NAK_COUNTER);
- nak_r = val & 0xFFFF;
- nak_g = val >> 16;
-
- /* Add the total number of NAKs, i.e the number of replays */
- return (nak_r + nak_g);
-}
-
#define MMIO_REG_HOLE_OFFSET 0x1A000
static void nbio_v7_9_set_reg_remap(struct amdgpu_device *adev)
@@ -509,7 +490,6 @@ const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
.get_compute_partition_mode = nbio_v7_9_get_compute_partition_mode,
.get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
.init_registers = nbio_v7_9_init_registers,
- .get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count,
.set_reg_remap = nbio_v7_9_set_reg_remap,
};