diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/1125-drm-amdgpu-gfx8-disable-EDC.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/1125-drm-amdgpu-gfx8-disable-EDC.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/1125-drm-amdgpu-gfx8-disable-EDC.patch b/meta-amdfalconx86/recipes-kernel/linux/files/1125-drm-amdgpu-gfx8-disable-EDC.patch new file mode 100644 index 00000000..2b51de5e --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/files/1125-drm-amdgpu-gfx8-disable-EDC.patch @@ -0,0 +1,42 @@ +From b8e93c19d2aaa3d0f48a802dd779ca27e66236d2 Mon Sep 17 00:00:00 2001 +From: Sanjay R Mehta <sanju.mehta@amd.com> +Date: Thu, 13 Oct 2016 12:30:35 +0530 +Subject: [PATCH 2/2] drm/amdgpu/gfx8: disable EDC + +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 10 ++++++---- + 1 file changed, 6 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +index 92f3ee6..c5a3d04 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +@@ -1700,6 +1700,11 @@ static int gfx_v8_0_do_edc_gpr_workarounds(struct amdgpu_device *adev) + goto fail; + } + ++ /* read back registers to clear the counters */ ++ for (i = 0; i < ARRAY_SIZE(sec_ded_counter_registers); i++) ++ RREG32(sec_ded_counter_registers[i]); ++ ++#if 0 + tmp = REG_SET_FIELD(tmp, GB_EDC_MODE, DED_MODE, 2); + tmp = REG_SET_FIELD(tmp, GB_EDC_MODE, PROP_FED, 1); + WREG32(mmGB_EDC_MODE, tmp); +@@ -1708,10 +1713,7 @@ static int gfx_v8_0_do_edc_gpr_workarounds(struct amdgpu_device *adev) + tmp = REG_SET_FIELD(tmp, CC_GC_EDC_CONFIG, DIS_EDC, 0) | 1; + WREG32(mmCC_GC_EDC_CONFIG, tmp); + +- +- /* read back registers to clear the counters */ +- for (i = 0; i < ARRAY_SIZE(sec_ded_counter_registers); i++) +- RREG32(sec_ded_counter_registers[i]); ++#endif + + fail: + fence_put(f); +-- +2.7.4 + |