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path: root/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
index 1e272f785def..045988b18bc3 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
@@ -32,6 +32,7 @@
#define smnCPM_CONTROL 0x11180460
#define smnPCIE_CNTL2 0x11180070
+#define smnPCIE_CONFIG_CNTL 0x11180044
u32 nbio_v6_1_get_rev_id(struct amdgpu_device *adev)
{
@@ -67,7 +68,7 @@ void nbio_v6_1_mc_access_enable(struct amdgpu_device *adev, bool enable)
void nbio_v6_1_hdp_flush(struct amdgpu_device *adev)
{
- WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0);
+ WREG32_SOC15_NO_KIQ(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0);
}
u32 nbio_v6_1_get_memsize(struct amdgpu_device *adev)
@@ -256,3 +257,15 @@ void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev)
adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
}
}
+
+void nbio_v6_1_init_registers(struct amdgpu_device *adev)
+{
+ uint32_t def, data;
+
+ def = data = RREG32_PCIE(smnPCIE_CONFIG_CNTL);
+ data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
+ data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
+
+ if (def != data)
+ WREG32_PCIE(smnPCIE_CONFIG_CNTL, data);
+}