[PATCH 26/26] drm/amd/powerplay: use REG32_PCIE wrapper instead for sw smu

Huang Rui ray.huang at amd.com
Mon Feb 25 12:12:32 UTC 2019


This patch uses REG32_PCIE wrapper instead of writting pci_index2 and reading
pci_data2. This sequence should be protected by pcie_idx_lock.

Signed-off-by: Huang Rui <ray.huang at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 3d29afd..ef25884 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -201,14 +201,13 @@ static int smu_v11_0_check_fw_status(struct smu_context *smu)
 	struct amdgpu_device *adev = smu->adev;
 	uint32_t mp1_fw_flags;
 
-	WREG32_SOC15(NBIF, 0, mmPCIE_INDEX2,
-		     (MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff)));
-
-	mp1_fw_flags = RREG32_SOC15(NBIF, 0, mmPCIE_DATA2);
+	mp1_fw_flags = RREG32_PCIE(MP1_Public |
+				   (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
 
 	if ((mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
 	    MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT)
 		return 0;
+
 	return -EIO;
 }
 
-- 
2.7.4



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