diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2336-drm-amd-powerplay-disable-uclk-dpm-by-default.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2336-drm-amd-powerplay-disable-uclk-dpm-by-default.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2336-drm-amd-powerplay-disable-uclk-dpm-by-default.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2336-drm-amd-powerplay-disable-uclk-dpm-by-default.patch new file mode 100644 index 00000000..ef42e0ff --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2336-drm-amd-powerplay-disable-uclk-dpm-by-default.patch @@ -0,0 +1,41 @@ +From ef3368e610f3ceba51cf84808477098a6d59f162 Mon Sep 17 00:00:00 2001 +From: tiancyin <tianci.yin@amd.com> +Date: Mon, 29 Apr 2019 16:56:16 +0800 +Subject: [PATCH 2336/2940] drm/amd/powerplay: disable uclk dpm by default + +[why] +The uclk dpm feature is not supported by some certain navi10 +board like 18202, while supported by some board like 18201. +It causes modprobe failure on 18202 board. + +[how] +Disabled this feature by default, it can be enabled by module parameter +uclk_dpm_support=1. + +Reviewed-by: Jack Xiao <Jack.Xiao@amd.com> +Signed-off-by: tiancyin <tianci.yin@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +index 0ee837df6dd1..9fb894fec3d3 100644 +--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +@@ -273,8 +273,10 @@ navi10_get_allowed_feature_mask(struct smu_context *smu, + | FEATURE_MASK(FEATURE_LED_DISPLAY_BIT) + | FEATURE_MASK(FEATURE_MMHUB_PG_BIT) + | FEATURE_MASK(FEATURE_ATHUB_PG_BIT) +- | FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT) +- | FEATURE_MASK(FEATURE_DPM_UCLK_BIT) ++ | FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT); ++ ++ if (adev->pm.pp_feature & PP_MCLK_DPM_MASK) ++ *(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DPM_UCLK_BIT) + | FEATURE_MASK(FEATURE_MEM_VDDCI_SCALING_BIT) + | FEATURE_MASK(FEATURE_MEM_MVDD_SCALING_BIT); + +-- +2.17.1 + |