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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch
new file mode 100644
index 00000000..e90ead27
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch
@@ -0,0 +1,35 @@
+From 44efa8f4260952a167a4e90f3525ad5cbf0a9f14 Mon Sep 17 00:00:00 2001
+From: Tom St Denis <tom.stdenis@amd.com>
+Date: Tue, 12 Sep 2017 12:29:06 -0400
+Subject: [PATCH 0949/4131] drm/amd/powerplay: lock grbm_gfx index when
+ changing instance
+
+Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+index d1000d2..db6ca11 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+@@ -789,6 +789,7 @@ int smu7_enable_didt_config(struct pp_hwmgr *hwmgr)
+ PP_CAP(PHM_PlatformCaps_TCPRamping)) {
+
+ cgs_enter_safe_mode(hwmgr->device, true);
++ cgs_lock_grbm_idx(hwmgr->device, true);
+ value = 0;
+ value2 = cgs_read_register(hwmgr->device, mmGRBM_GFX_INDEX);
+ for (count = 0; count < num_se; count++) {
+@@ -828,6 +829,7 @@ int smu7_enable_didt_config(struct pp_hwmgr *hwmgr)
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to enable DPM DIDT.", return result);
+ }
++ cgs_lock_grbm_idx(hwmgr->device, false);
+ cgs_enter_safe_mode(hwmgr->device, false);
+ }
+
+--
+2.7.4
+