diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1613-drm-amdgpu-change-Vega-IH-ring-1-config.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1613-drm-amdgpu-change-Vega-IH-ring-1-config.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1613-drm-amdgpu-change-Vega-IH-ring-1-config.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1613-drm-amdgpu-change-Vega-IH-ring-1-config.patch new file mode 100644 index 00000000..e9eaeda3 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1613-drm-amdgpu-change-Vega-IH-ring-1-config.patch @@ -0,0 +1,35 @@ +From 533352096c6822013e1cafb983f930f2ed5a003b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Wed, 27 Feb 2019 14:54:23 +0100 +Subject: [PATCH 1613/2940] drm/amdgpu: change Vega IH ring 1 config +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Disable overflow and enable full drain. This makes fault handling on ring 1 +much more reliable since we don't generate back pressure any more. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Acked-by: Chunming Zhou <david1.zhou@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +index 6d1f804277f8..d4a3cc413af8 100644 +--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c ++++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +@@ -203,6 +203,10 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev) + + ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); + ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl); ++ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ++ WPTR_OVERFLOW_ENABLE, 0); ++ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ++ RB_FULL_DRAIN_ENABLE, 1); + WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); + + /* set rptr, wptr to 0 */ +-- +2.17.1 + |