diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1471-drm-amdgpu-use-REG32_PCIE-wrapper-instead-for-psp.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1471-drm-amdgpu-use-REG32_PCIE-wrapper-instead-for-psp.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1471-drm-amdgpu-use-REG32_PCIE-wrapper-instead-for-psp.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1471-drm-amdgpu-use-REG32_PCIE-wrapper-instead-for-psp.patch new file mode 100644 index 00000000..3194e59e --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1471-drm-amdgpu-use-REG32_PCIE-wrapper-instead-for-psp.patch @@ -0,0 +1,32 @@ +From 217ab0b8137687bd4a1206f632b31483f1211578 Mon Sep 17 00:00:00 2001 +From: Huang Rui <ray.huang@amd.com> +Date: Mon, 25 Feb 2019 15:02:44 +0800 +Subject: [PATCH 1471/2940] drm/amdgpu: use REG32_PCIE wrapper instead for psp + +This patch uses REG32_PCIE wrapper instead of writting pci_index2 and reading +pci_data2 for psp. This sequence should be protected by pcie_idx_lock. + +Signed-off-by: Huang Rui <ray.huang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +index c63de945c021..0487e3a4e9e7 100644 +--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c ++++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +@@ -500,9 +500,7 @@ static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp) + struct amdgpu_device *adev = psp->adev; + uint32_t reg; + +- reg = smnMP1_FIRMWARE_FLAGS | 0x03b00000; +- WREG32_SOC15(NBIO, 0, mmPCIE_INDEX2, reg); +- reg = RREG32_SOC15(NBIO, 0, mmPCIE_DATA2); ++ reg = RREG32_PCIE(smnMP1_FIRMWARE_FLAGS | 0x03b00000); + return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false; + } + +-- +2.17.1 + |