diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5211-drm-amdgpu-Enable-disable-gfx-PG-feature-in-rlc-safe.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5211-drm-amdgpu-Enable-disable-gfx-PG-feature-in-rlc-safe.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5211-drm-amdgpu-Enable-disable-gfx-PG-feature-in-rlc-safe.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5211-drm-amdgpu-Enable-disable-gfx-PG-feature-in-rlc-safe.patch new file mode 100644 index 00000000..e6319208 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5211-drm-amdgpu-Enable-disable-gfx-PG-feature-in-rlc-safe.patch @@ -0,0 +1,49 @@ +From 522ad169b4ddd0140b26dc104d615980327d5d7d Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Fri, 24 Aug 2018 17:26:23 +0800 +Subject: [PATCH 5211/5725] drm/amdgpu: Enable/disable gfx PG feature in rlc + safe mode + +This is required by gfx hw and can fix the rlc hang when +do s3 stree test on Cz/St. + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Hang Zhou <hang.zhou@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 11 ++++++++++- + 1 file changed, 10 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +index 19b65cf..be2cd71 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +@@ -5659,6 +5659,11 @@ static int gfx_v8_0_set_powergating_state(void *handle, + if (amdgpu_sriov_vf(adev)) + return 0; + ++ if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_SMG | ++ AMD_PG_SUPPORT_RLC_SMU_HS | ++ AMD_PG_SUPPORT_CP | ++ AMD_PG_SUPPORT_GFX_DMG)) ++ adev->gfx.rlc.funcs->enter_safe_mode(adev); + switch (adev->asic_type) { + case CHIP_CARRIZO: + case CHIP_STONEY: +@@ -5708,7 +5713,11 @@ static int gfx_v8_0_set_powergating_state(void *handle, + default: + break; + } +- ++ if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_SMG | ++ AMD_PG_SUPPORT_RLC_SMU_HS | ++ AMD_PG_SUPPORT_CP | ++ AMD_PG_SUPPORT_GFX_DMG)) ++ adev->gfx.rlc.funcs->exit_safe_mode(adev); + return 0; + } + +-- +2.7.4 + |