diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1498-drm-amd-powerplay-use-REG32_PCIE-wrapper-instead-for.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1498-drm-amd-powerplay-use-REG32_PCIE-wrapper-instead-for.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1498-drm-amd-powerplay-use-REG32_PCIE-wrapper-instead-for.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1498-drm-amd-powerplay-use-REG32_PCIE-wrapper-instead-for.patch new file mode 100644 index 00000000..7771a39e --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1498-drm-amd-powerplay-use-REG32_PCIE-wrapper-instead-for.patch @@ -0,0 +1,41 @@ +From a6a09610c185e2967ff6a73b1c83fb1638b1be63 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Mon, 25 Feb 2019 14:46:03 +0800 +Subject: [PATCH 1498/2940] drm/amd/powerplay: use REG32_PCIE wrapper instead + for sw smu + +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@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@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 77c7ac8001f4..a3c7d1d5176f 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +@@ -211,14 +211,13 @@ 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; + } + +-- +2.17.1 + |