diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2395-drm-amd-the-data-retured-from-PRT-is-expected-to-be-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2395-drm-amd-the-data-retured-from-PRT-is-expected-to-be-.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2395-drm-amd-the-data-retured-from-PRT-is-expected-to-be-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2395-drm-amd-the-data-retured-from-PRT-is-expected-to-be-.patch new file mode 100644 index 00000000..bef9845f --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2395-drm-amd-the-data-retured-from-PRT-is-expected-to-be-.patch @@ -0,0 +1,47 @@ +From d1b6ab61939d3dcf1f9f7641088c4909abae38cd Mon Sep 17 00:00:00 2001 +From: Jack Xiao <Jack.Xiao@amd.com> +Date: Mon, 20 May 2019 12:16:19 +0800 +Subject: [PATCH 2395/2940] drm/amd: the data retured from PRT is expected to + be 0 + +The dummy page for returning from PRT resides inside system memory, +need set system flag bit in VM_L2_CNTL. + +Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> +Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c | 3 ++- + drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c | 2 ++ + 2 files changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +index 231c77aed01b..b7de60a15623 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +@@ -135,7 +135,8 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) + tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL); + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1); + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); +- ++ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ++ ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); + /* XXX for emulation, Refer to closed source code.*/ + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, + L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); +diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +index f65b9c827970..37a1a318ae63 100644 +--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +@@ -121,6 +121,8 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev) + tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL); + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); ++ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ++ ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); + /* XXX for emulation, Refer to closed source code.*/ + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, + 0); +-- +2.17.1 + |