drm/amdgpu: Remove nbiov7.9 replay count reporting

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
index a376f072700dc7b3316b85a74d4d62ba81998509..1c22bc11c1f85f5d322e971bc4843c216ff58e74 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
@@ -31,9 +31,6 @@
 
 #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,
@@ -467,22 +464,6 @@ 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)
@@ -524,7 +505,6 @@ const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
        .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
        .is_nps_switch_requested = nbio_v7_9_is_nps_switch_requested,
        .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,
 };