diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0949-drm-amd-powerplay-lock-grbm_gfx-index-when-changing-.patch b/meta-amd-bsp/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/meta-amd-bsp/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 + |