From: Asad Kamal asad.kamal@amd.com
stable inclusion from stable-v6.6.7 commit 9f29fe9b6184f6f6e78dd524a40982a3201004a4 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8SSQ4
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit d8c1925ba8cde2863297728a4c8fbf8fe766757a ]
Increase retry time for PSP BL wait, to compensate for longer time to set c2pmsg 35 ready bit during mode1 with RAS
Signed-off-by: Asad Kamal asad.kamal@amd.com Reviewed-by: Hawking Zhang Hawking.Zhang@amd.com Reviewed-by: Lijo Lazar lijo.lazar@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Stable-dep-of: 6fce23a4d8c5 ("drm/amdgpu: Restrict extended wait to PSP v13.0.6") Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index 52d80f286b3d..8e4372f24f85 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -168,7 +168,7 @@ static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) * If there is an error in processing command, bits[7:0] will be set. * This is applicable for PSP v13.0.6 and newer. */ - for (retry_loop = 0; retry_loop < 10; retry_loop++) { + for (retry_loop = 0; retry_loop < PSP_VMBX_POLLING_LIMIT; retry_loop++) { ret = psp_wait_for( psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), 0x80000000, 0xffffffff, false);