From 6391b6ab3246fe23840ed3635b17ad83f0fd0942 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Fri, 29 Jul 2016 19:26:36 +0800 Subject: [PATCH] drm/amd/powrplay: workaround Memory EDC Error for certain partner boards. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 2 ++ drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index ba8f57a415c7..d829076ed9ea 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -77,6 +77,8 @@ int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) hwmgr->chip_family = pp_init->chip_family; hwmgr->chip_id = pp_init->chip_id; hwmgr->hw_revision = pp_init->rev_id; + hwmgr->sub_sys_id = pp_init->sub_sys_id; + hwmgr->sub_vendor_id = pp_init->sub_vendor_id; hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT; hwmgr->power_source = PP_PowerSource_AC; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c index 60cfcbde6f27..7d552966de3e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c @@ -3133,7 +3133,10 @@ int polaris10_patch_voltage_workaround(struct pp_hwmgr *hwmgr) table_info->vddc_lookup_table; uint32_t i; - if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7) { + if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7 && + ((hwmgr->sub_sys_id == 0xb37 && hwmgr->sub_vendor_id == 0x1002) || + (hwmgr->sub_sys_id == 0x4a8 && hwmgr->sub_vendor_id == 0x1043) || + (hwmgr->sub_sys_id == 0x9480 && hwmgr->sub_vendor_id == 0x1682))) { if (lookup_table->entries[dep_mclk_table->entries[dep_mclk_table->count-1].vddInd].us_vdd >= 1000) return 0; -- 2.30.2