diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0916-drm-amdgpu-psp-Get-psp-fw-version-through-reading-re.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0916-drm-amdgpu-psp-Get-psp-fw-version-through-reading-re.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0916-drm-amdgpu-psp-Get-psp-fw-version-through-reading-re.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0916-drm-amdgpu-psp-Get-psp-fw-version-through-reading-re.patch new file mode 100644 index 00000000..b024724c --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0916-drm-amdgpu-psp-Get-psp-fw-version-through-reading-re.patch @@ -0,0 +1,36 @@ +From bec7973540fa976ad77a2cf3776f7c6b46eb293a Mon Sep 17 00:00:00 2001 +From: Xiangliang Yu <Xiangliang.Yu@amd.com> +Date: Tue, 4 Dec 2018 15:13:28 +0800 +Subject: [PATCH 0916/2940] drm/amdgpu/psp: 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: Xiangliang Yu <Xiangliang.Yu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +index 13656adc6344..cbf8c1495e1c 100644 +--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +@@ -181,8 +181,10 @@ static int psp_v11_0_bootloader_load_sysdrv(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); + 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 + |