diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4727-drm-amd-powerplay-clear-VBIOS-scratchs-on-baco-exit-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4727-drm-amd-powerplay-clear-VBIOS-scratchs-on-baco-exit-.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4727-drm-amd-powerplay-clear-VBIOS-scratchs-on-baco-exit-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4727-drm-amd-powerplay-clear-VBIOS-scratchs-on-baco-exit-.patch new file mode 100644 index 00000000..53191b48 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4727-drm-amd-powerplay-clear-VBIOS-scratchs-on-baco-exit-.patch @@ -0,0 +1,42 @@ +From 96860e79942a5f30e0234e04755c69cb6b7ea160 Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +Date: Fri, 6 Dec 2019 11:30:45 +0800 +Subject: [PATCH 4727/4736] drm/amd/powerplay: clear VBIOS scratchs on baco + exit V2 + +This is needed for coming asic init on performing gpu reset. + +V2: use non-asic specific programing way + +Change-Id: If3671a24d239e3d288665fadaa2c40c87d5da40b +Signed-off-by: Evan Quan <evan.quan@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +index d65187993ef9..83113cb2524c 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +@@ -1675,10 +1675,17 @@ int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state) + } + } else { + ret = smu_send_smc_msg(smu, SMU_MSG_ExitBaco); ++ if (ret) ++ goto out; ++ + bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl, + BIF_DOORBELL_INT_CNTL, + DOORBELL_INTERRUPT_DISABLE, 0); + WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); ++ ++ /* clear vbios scratch 6 and 7 for coming asic reinit */ ++ WREG32(adev->bios_scratch_reg_offset + 6, 0); ++ WREG32(adev->bios_scratch_reg_offset + 7, 0); + } + if (ret) + goto out; +-- +2.17.1 + |