aboutsummaryrefslogtreecommitdiffstats
path: root/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1056-drm-amd-powerplay-fix-set-target-TDP-error-on-tonga-.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1056-drm-amd-powerplay-fix-set-target-TDP-error-on-tonga-.patch')
-rw-r--r--meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1056-drm-amd-powerplay-fix-set-target-TDP-error-on-tonga-.patch48
1 files changed, 48 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1056-drm-amd-powerplay-fix-set-target-TDP-error-on-tonga-.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1056-drm-amd-powerplay-fix-set-target-TDP-error-on-tonga-.patch
new file mode 100644
index 00000000..c2f5900c
--- /dev/null
+++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1056-drm-amd-powerplay-fix-set-target-TDP-error-on-tonga-.patch
@@ -0,0 +1,48 @@
+From e742143d17c77334a4e2fcb8c4a4867b45b8d505 Mon Sep 17 00:00:00 2001
+From: Rex Zhu <Rex.Zhu@amd.com>
+Date: Thu, 14 Sep 2017 09:10:41 +0800
+Subject: [PATCH 1056/4131] drm/amd/powerplay: fix set target TDP error on
+ tonga/iceland
+
+ConfigurableTDP do not exist from Fiji.
+so only use in previous ASIC.
+
+Change-Id: Id20c41bd258fbbbaef6e4a8f4795f2a0b9ffb813
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c | 11 ++++++-----
+ 1 file changed, 6 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+index db6ca11..03fc422 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+@@ -948,7 +948,6 @@ int smu7_enable_power_containment(struct pp_hwmgr *hwmgr)
+ if (0 == smc_result) {
+ uint32_t default_limit =
+ (uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256);
+-
+ data->power_containment_features |=
+ POWERCONTAINMENT_FEATURE_PkgPwrLimit;
+
+@@ -1019,10 +1018,12 @@ int smu7_power_control_set_level(struct pp_hwmgr *hwmgr)
+ adjust_percent = hwmgr->platform_descriptor.TDPAdjustmentPolarity ?
+ hwmgr->platform_descriptor.TDPAdjustment :
+ (-1 * hwmgr->platform_descriptor.TDPAdjustment);
+- /* SMC requested that target_tdp to be 7 bit fraction in DPM table
+- * but message to be 8 bit fraction for messages
+- */
+- target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100;
++
++ if (hwmgr->chip_id > CHIP_TONGA)
++ target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100;
++ else
++ target_tdp = ((100 + adjust_percent) * (int)(cac_table->usConfigurableTDP * 256)) / 100;
++
+ result = smu7_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp);
+ }
+
+--
+2.7.4
+