diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0659-drm-amdgpu-fix-reporting-of-failed-msg-sent-to-SMU-v.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0659-drm-amdgpu-fix-reporting-of-failed-msg-sent-to-SMU-v.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0659-drm-amdgpu-fix-reporting-of-failed-msg-sent-to-SMU-v.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0659-drm-amdgpu-fix-reporting-of-failed-msg-sent-to-SMU-v.patch new file mode 100644 index 00000000..caaf9502 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0659-drm-amdgpu-fix-reporting-of-failed-msg-sent-to-SMU-v.patch @@ -0,0 +1,41 @@ +From b0126dee0fc4a074643c97a4f11102427aea7c0c Mon Sep 17 00:00:00 2001 +From: Shirish S <shirish.s@amd.com> +Date: Fri, 26 Oct 2018 02:38:58 +0530 +Subject: [PATCH 0659/2940] drm/amdgpu: fix reporting of failed msg sent to SMU + (v2) + +Currently send_msg_to_smc_async() only report which message +failed, but the actual failing message is the previous one, +which SMU is unable to service. + +This patch reads the contents of register where the SMU is stuck +and report appropriately. + +v2: fix the build (Alex) + +Signed-off-by: Shirish S <shirish.s@amd.com> +Reviewed-by: Rex Zhu <Rex.Zhu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c +index f836d30fdd44..09b844ec3eab 100644 +--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c ++++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c +@@ -71,7 +71,11 @@ static int smu8_send_msg_to_smc_async(struct pp_hwmgr *hwmgr, uint16_t msg) + result = PHM_WAIT_FIELD_UNEQUAL(hwmgr, + SMU_MP1_SRBM2P_RESP_0, CONTENT, 0); + if (result != 0) { ++ /* Read the last message to SMU, to report actual cause */ ++ uint32_t val = cgs_read_register(hwmgr->device, ++ mmSMU_MP1_SRBM2P_MSG_0); + pr_err("smu8_send_msg_to_smc_async (0x%04x) failed\n", msg); ++ pr_err("SMU still servicing msg (0x%04x)\n", val); + return result; + } + +-- +2.17.1 + |