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authorDave Airlie <airlied@redhat.com>2024-03-08 11:21:13 +1000
committerDave Airlie <airlied@redhat.com>2024-03-08 11:21:13 +1000
commitaf165fb00a1eb390976f6016fc69df0da0d27fad (patch)
tree6351742220dd4b801c0c0b49689b3fc4937e95f1 /drivers/gpu/drm/amd/amdgpu/cik.c
parentMerge tag 'drm-misc-next-fixes-2024-02-29' of https://anongit.freedesktop.org... (diff)
parentdrm/amdgpu: remove misleading amdgpu_pmops_runtime_idle() comment (diff)
downloadlinux-af165fb00a1eb390976f6016fc69df0da0d27fad.tar.gz
linux-af165fb00a1eb390976f6016fc69df0da0d27fad.zip
Merge tag 'amd-drm-next-6.9-2024-03-01' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.9-2024-03-01: amdgpu: - GC 11.5.1 updates - Misc display cleanups - NBIO 7.9 updates - Backlight fixes - DMUB fixes - MPO fixes - atomfirmware table updates - SR-IOV fixes - VCN 4.x updates - use RMW accessors for pci config registers - PSR fixes - Suspend/resume fixes - RAS fixes - ABM fixes - Misc code cleanups - SI DPM fix - Revert freesync video amdkfd: - Misc cleanups - Error handling fixes radeon: - use RMW accessors for pci config registers From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240301204857.13960-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 4dfaa017cf7f..a3a643254d7a 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1638,28 +1638,18 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev)
PCI_EXP_LNKCTL_HAWD);
/* linkctl2 */
- pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
- &tmp16);
- tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
- PCI_EXP_LNKCTL2_TX_MARGIN);
- tmp16 |= (bridge_cfg2 &
- (PCI_EXP_LNKCTL2_ENTER_COMP |
- PCI_EXP_LNKCTL2_TX_MARGIN));
- pcie_capability_write_word(root,
- PCI_EXP_LNKCTL2,
- tmp16);
-
- pcie_capability_read_word(adev->pdev,
- PCI_EXP_LNKCTL2,
- &tmp16);
- tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
- PCI_EXP_LNKCTL2_TX_MARGIN);
- tmp16 |= (gpu_cfg2 &
- (PCI_EXP_LNKCTL2_ENTER_COMP |
- PCI_EXP_LNKCTL2_TX_MARGIN));
- pcie_capability_write_word(adev->pdev,
- PCI_EXP_LNKCTL2,
- tmp16);
+ pcie_capability_clear_and_set_word(root, PCI_EXP_LNKCTL2,
+ PCI_EXP_LNKCTL2_ENTER_COMP |
+ PCI_EXP_LNKCTL2_TX_MARGIN,
+ bridge_cfg2 &
+ (PCI_EXP_LNKCTL2_ENTER_COMP |
+ PCI_EXP_LNKCTL2_TX_MARGIN));
+ pcie_capability_clear_and_set_word(adev->pdev, PCI_EXP_LNKCTL2,
+ PCI_EXP_LNKCTL2_ENTER_COMP |
+ PCI_EXP_LNKCTL2_TX_MARGIN,
+ gpu_cfg2 &
+ (PCI_EXP_LNKCTL2_ENTER_COMP |
+ PCI_EXP_LNKCTL2_TX_MARGIN));
tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
tmp &= ~PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK;
@@ -1674,16 +1664,15 @@ static void cik_pcie_gen3_enable(struct amdgpu_device *adev)
speed_cntl &= ~PCIE_LC_SPEED_CNTL__LC_FORCE_DIS_SW_SPEED_CHANGE_MASK;
WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl);
- pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL2, &tmp16);
- tmp16 &= ~PCI_EXP_LNKCTL2_TLS;
-
+ tmp16 = 0;
if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */
else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */
else
tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */
- pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL2, tmp16);
+ pcie_capability_clear_and_set_word(adev->pdev, PCI_EXP_LNKCTL2,
+ PCI_EXP_LNKCTL2_TLS, tmp16);
speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
speed_cntl |= PCIE_LC_SPEED_CNTL__LC_INITIATE_LINK_SPEED_CHANGE_MASK;