drm/amdgpu/dpm/ci: switch over to the common pcie caps interface

We already query this at driver init, so use that info.  Also
handles virtualization cases.

Reviewed-by: monk liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
index 8b4731d4e10eabbd78f17f799c5fcd1156ba9862..474ca02b094935283c3548534a2502cd01412665 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
@@ -31,6 +31,7 @@
 #include "ci_dpm.h"
 #include "gfx_v7_0.h"
 #include "atom.h"
+#include "amd_pcie.h"
 #include <linux/seq_file.h>
 
 #include "smu/smu_7_0_1_d.h"
@@ -5835,18 +5836,16 @@ static int ci_dpm_init(struct amdgpu_device *adev)
        u8 frev, crev;
        struct ci_power_info *pi;
        int ret;
-       u32 mask;
 
        pi = kzalloc(sizeof(struct ci_power_info), GFP_KERNEL);
        if (pi == NULL)
                return -ENOMEM;
        adev->pm.dpm.priv = pi;
 
-       ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask);
-       if (ret)
-               pi->sys_pcie_mask = 0;
-       else
-               pi->sys_pcie_mask = mask;
+       pi->sys_pcie_mask =
+               (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_MASK) >>
+               CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT;
+
        pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID;
 
        pi->pcie_gen_performance.max = AMDGPU_PCIE_GEN1;