diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0938-drm-amdgpu-psp_v3_1-Get-psp-fw-version-through-readi.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0938-drm-amdgpu-psp_v3_1-Get-psp-fw-version-through-readi.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0938-drm-amdgpu-psp_v3_1-Get-psp-fw-version-through-readi.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0938-drm-amdgpu-psp_v3_1-Get-psp-fw-version-through-readi.patch new file mode 100644 index 00000000..32df2b4b --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0938-drm-amdgpu-psp_v3_1-Get-psp-fw-version-through-readi.patch @@ -0,0 +1,37 @@ +From 369d9edd653a0ce3893c4589dd6873a58e34b13f Mon Sep 17 00:00:00 2001 +From: Emily Deng <Emily.Deng@amd.com> +Date: Wed, 12 Dec 2018 18:08:24 +0800 +Subject: [PATCH 0938/2940] drm/amdgpu/psp_v3_1: Get psp fw version through + reading register + +If PSP FW is running already, driver will not load PSP FW again and skip +it. So psp fw version is not correct if reading it from FW binary file, +need to get right version from register. + +Signed-off-by: Emily Deng <Emily.Deng@amd.com> +Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +index 7357fd56e614..79694ff16969 100644 +--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c ++++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +@@ -240,8 +240,11 @@ static int psp_v3_1_bootloader_load_sos(struct psp_context *psp) + * are already been loaded. + */ + sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); +- if (sol_reg) ++ if (sol_reg) { ++ psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); ++ printk("sos fw version = 0x%x.\n", psp->sos_fw_version); + return 0; ++ } + + /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), +-- +2.17.1 + |