diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3223-drm-amd-pp-Disable-OD-feature-if-VBIOS-limits.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3223-drm-amd-pp-Disable-OD-feature-if-VBIOS-limits.patch | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3223-drm-amd-pp-Disable-OD-feature-if-VBIOS-limits.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3223-drm-amd-pp-Disable-OD-feature-if-VBIOS-limits.patch new file mode 100644 index 00000000..5ed94f0a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3223-drm-amd-pp-Disable-OD-feature-if-VBIOS-limits.patch @@ -0,0 +1,79 @@ +From 05d6bc7ff33b161af5120626254fd17196292b0c Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Fri, 19 Jan 2018 13:21:52 +0800 +Subject: [PATCH 3223/4131] drm/amd/pp: Disable OD feature if VBIOS limits + +Check vbios to determine whether we can enable OD + +Change-Id: I482ce1f9ada82255d02d6e3f27b1a3cd68578d14 +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c | 8 ++++---- + drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c | 11 +++++------ + drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c | 8 ++++---- + 3 files changed, 13 insertions(+), 14 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +index b49d65c..c9eecce 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +@@ -836,10 +836,10 @@ static int init_over_drive_limits( + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + +- if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 \ +- && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) { +- phm_cap_set(hwmgr->platform_descriptor.platformCaps, +- PHM_PlatformCaps_ACOverdriveSupport); ++ if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 \ ++ || hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { ++ hwmgr->od_enabled = false; ++ pr_debug("OverDrive feature not support by VBIOS\n"); + } + + return 0; +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c +index c3e7e34..815c9bc 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c +@@ -1074,12 +1074,11 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, + powerplay_table, + (const ATOM_FIRMWARE_INFO_V2_1 *)fw_info); + +- if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 +- && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0 +- && !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, +- PHM_PlatformCaps_OverdriveDisabledByPowerBudget)) +- phm_cap_set(hwmgr->platform_descriptor.platformCaps, +- PHM_PlatformCaps_ACOverdriveSupport); ++ if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 ++ && hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { ++ hwmgr->od_enabled = false; ++ pr_debug("OverDrive feature not support by VBIOS\n"); ++ } + + return result; + } +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +index f14c761..6d44cf0 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +@@ -267,10 +267,10 @@ static int init_over_drive_limits( + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + +- if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 && +- hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) { +- phm_cap_set(hwmgr->platform_descriptor.platformCaps, +- PHM_PlatformCaps_ACOverdriveSupport); ++ if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 || ++ hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { ++ hwmgr->od_enabled = false; ++ pr_debug("OverDrive feature not support by VBIOS\n"); + } + + return 0; +-- +2.7.4 + |