diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1557-drm-amd-powerplay-fix-pcie-sysfs-interface-when-set-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1557-drm-amd-powerplay-fix-pcie-sysfs-interface-when-set-.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1557-drm-amd-powerplay-fix-pcie-sysfs-interface-when-set-.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1557-drm-amd-powerplay-fix-pcie-sysfs-interface-when-set-.patch new file mode 100644 index 00000000..972f49a0 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1557-drm-amd-powerplay-fix-pcie-sysfs-interface-when-set-.patch @@ -0,0 +1,35 @@ +From cbcf879d296137a046997cd2274d238f9e4e7723 Mon Sep 17 00:00:00 2001 +From: Likun Gao <Likun.Gao@amd.com> +Date: Mon, 4 Mar 2019 10:46:27 +0800 +Subject: [PATCH 1557/2940] drm/amd/powerplay: fix pcie sysfs interface when + set wrong value + +The operation of mutex_unlock smu->mutex should be done when forced level is larger than NUM_LINK_LEVELS in the function of force_clk_levels. + +Reported-by: Julia Lawall <julia.lawall@lip6.fr> +Signed-off-by: Likun Gao <Likun.Gao@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +--- + drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +index c66ad3b223d3..b71ecbe66ab4 100644 +--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +@@ -1200,8 +1200,10 @@ static int vega20_force_clk_levels(struct smu_context *smu, + + case PP_PCIE: + if (soft_min_level >= NUM_LINK_LEVELS || +- soft_max_level >= NUM_LINK_LEVELS) +- return -EINVAL; ++ soft_max_level >= NUM_LINK_LEVELS) { ++ ret = -EINVAL; ++ break; ++ } + + ret = smu_send_smc_msg_with_param(smu, + SMU_MSG_SetMinLinkDpmByIndex, soft_min_level); +-- +2.17.1 + |