diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4123-drm-amd-powerplay-avoid-disabling-ECC-if-RAS-is-enab.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4123-drm-amd-powerplay-avoid-disabling-ECC-if-RAS-is-enab.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4123-drm-amd-powerplay-avoid-disabling-ECC-if-RAS-is-enab.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4123-drm-amd-powerplay-avoid-disabling-ECC-if-RAS-is-enab.patch new file mode 100644 index 00000000..b7fb76fd --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4123-drm-amd-powerplay-avoid-disabling-ECC-if-RAS-is-enab.patch @@ -0,0 +1,58 @@ +From d222b18bf2136356f9fae2b6df597e372ebf9da7 Mon Sep 17 00:00:00 2001 +From: Le Ma <le.ma@amd.com> +Date: Fri, 11 Oct 2019 18:37:49 +0800 +Subject: [PATCH 4123/4736] drm/amd/powerplay: avoid disabling ECC if RAS is + enabled for VEGA20 + +Program THM_BACO_CNTL.SOC_DOMAIN_IDLE=1 will tell VBIOS to disable ECC when +BACO exit. This can save BACO exit time by PSP on none-ECC SKU. Drop the setting +for ECC supported SKU. + +Change-Id: I2a82c128fa5e9731b886dd61f1273dc48ea1923c +Signed-off-by: Le Ma <le.ma@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c | 12 +++++++----- + 1 file changed, 7 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c +index df6ff9252401..b068d1c7b44d 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c +@@ -29,7 +29,7 @@ + #include "vega20_baco.h" + #include "vega20_smumgr.h" + +- ++#include "amdgpu_ras.h" + + static const struct soc15_baco_cmd_entry clean_baco_tbl[] = + { +@@ -74,6 +74,7 @@ int vega20_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE *state) + int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state) + { + struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev); ++ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + enum BACO_STATE cur_state; + uint32_t data; + +@@ -84,10 +85,11 @@ int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state) + return 0; + + if (state == BACO_STATE_IN) { +- data = RREG32_SOC15(THM, 0, mmTHM_BACO_CNTL); +- data |= 0x80000000; +- WREG32_SOC15(THM, 0, mmTHM_BACO_CNTL, data); +- ++ if (!ras || !ras->supported) { ++ data = RREG32_SOC15(THM, 0, mmTHM_BACO_CNTL); ++ data |= 0x80000000; ++ WREG32_SOC15(THM, 0, mmTHM_BACO_CNTL, data); ++ } + + if(smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_EnterBaco, 0)) + return -EINVAL; +-- +2.17.1 + |