diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0778-drm-amdgpu-set-Vega20-LBPW-as-disabled-at-default.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0778-drm-amdgpu-set-Vega20-LBPW-as-disabled-at-default.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0778-drm-amdgpu-set-Vega20-LBPW-as-disabled-at-default.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0778-drm-amdgpu-set-Vega20-LBPW-as-disabled-at-default.patch new file mode 100644 index 00000000..d47a0920 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0778-drm-amdgpu-set-Vega20-LBPW-as-disabled-at-default.patch @@ -0,0 +1,42 @@ +From 5751abdf9cf7937e1994dd09f2c933d59bcc726e Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +Date: Fri, 2 Nov 2018 17:21:17 +0800 +Subject: [PATCH 0778/2940] drm/amdgpu: set Vega20 LBPW as disabled at default + +For Vega20, LBPW feature is disabled at default. + +Signed-off-by: Evan Quan <evan.quan@amd.com> +Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +index 54d5e2335991..188a8c6e9474 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +@@ -2517,6 +2517,20 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev) + return r; + } + ++ if (amdgpu_lbpw == -1) { ++ switch (adev->asic_type) { ++ case CHIP_RAVEN: ++ amdgpu_lbpw = 1; ++ break; ++ case CHIP_VEGA20: ++ amdgpu_lbpw = 0; ++ break; ++ default: ++ amdgpu_lbpw = 0; ++ break; ++ } ++ } ++ + if (adev->asic_type == CHIP_RAVEN || + adev->asic_type == CHIP_VEGA20) { + if (amdgpu_lbpw != 0) +-- +2.17.1 + |