drm/amd: Move AMD_IS_APU check for ASPM into top level function

There is no need for every ASIC driver to perform the same check.
Move the duplicated code into amdgpu_device_should_use_aspm().

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: superm1

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1496,6 +1496,8 @@ bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev)
 	default:
 		return false;
 	}
+	if (adev->flags & AMD_IS_APU)
+		return false;
 	return pcie_aspm_enabled(adev->pdev);
 }
 

drivers/gpu/drm/amd/amdgpu/cik.c

@@ -1709,10 +1709,6 @@ static void cik_program_aspm(struct amdgpu_device *adev)
 	if (pci_is_root_bus(adev->pdev->bus))
 		return;
 
-	/* XXX double check APUs */
-	if (adev->flags & AMD_IS_APU)
-		return;
-
 	orig = data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
 	data &= ~PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_MASK;
 	data |= (0x24 << PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS__SHIFT) |

drivers/gpu/drm/amd/amdgpu/nv.c

@@ -516,8 +516,7 @@ static void nv_program_aspm(struct amdgpu_device *adev)
 	if (!amdgpu_device_should_use_aspm(adev) || !amdgpu_device_aspm_support_quirk())
 		return;
 
-	if (!(adev->flags & AMD_IS_APU) &&
-	    (adev->nbio.funcs->program_aspm))
+	if (adev->nbio.funcs->program_aspm)
 		adev->nbio.funcs->program_aspm(adev);
 
 }

drivers/gpu/drm/amd/amdgpu/si.c

@@ -2440,8 +2440,6 @@ static void si_program_aspm(struct amdgpu_device *adev)
 	if (!amdgpu_device_should_use_aspm(adev))
 		return;
 
-	if (adev->flags & AMD_IS_APU)
-		return;
 	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
 	data &= ~LC_XMIT_N_FTS_MASK;
 	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -646,8 +646,7 @@ static void soc15_program_aspm(struct amdgpu_device *adev)
 	if (!amdgpu_device_should_use_aspm(adev))
 		return;
 
-	if (!(adev->flags & AMD_IS_APU) &&
-	    (adev->nbio.funcs->program_aspm))
+	if (adev->nbio.funcs->program_aspm)
 		adev->nbio.funcs->program_aspm(adev);
 }
 

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -433,8 +433,7 @@ static void soc21_program_aspm(struct amdgpu_device *adev)
 	if (!amdgpu_device_should_use_aspm(adev))
 		return;
 
-	if (!(adev->flags & AMD_IS_APU) &&
-	    (adev->nbio.funcs->program_aspm))
+	if (adev->nbio.funcs->program_aspm)
 		adev->nbio.funcs->program_aspm(adev);
 }
 

drivers/gpu/drm/amd/amdgpu/vi.c

@@ -1127,8 +1127,7 @@ static void vi_program_aspm(struct amdgpu_device *adev)
 	if (!amdgpu_device_should_use_aspm(adev) || !amdgpu_device_pcie_dynamic_switching_supported())
 		return;
 
-	if (adev->flags & AMD_IS_APU ||
-	    adev->asic_type < CHIP_POLARIS10)
+	if (adev->asic_type < CHIP_POLARIS10)
 		return;
 
 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);