diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0954-drm-amd-amdgpu-Change-vram-debugfs-to-NO_KIQ-for-VM-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0954-drm-amd-amdgpu-Change-vram-debugfs-to-NO_KIQ-for-VM-.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0954-drm-amd-amdgpu-Change-vram-debugfs-to-NO_KIQ-for-VM-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0954-drm-amd-amdgpu-Change-vram-debugfs-to-NO_KIQ-for-VM-.patch new file mode 100644 index 00000000..37ab6154 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0954-drm-amd-amdgpu-Change-vram-debugfs-to-NO_KIQ-for-VM-.patch @@ -0,0 +1,45 @@ +From d43d300957a14ef468197c515f53c667957187c3 Mon Sep 17 00:00:00 2001 +From: Tom St Denis <tom.stdenis@amd.com> +Date: Wed, 13 Sep 2017 12:35:15 -0400 +Subject: [PATCH 0954/4131] drm/amd/amdgpu: Change vram debugfs to NO_KIQ for + VM environments + +Signed-off-by: Tom St Denis <tom.stdenis@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index 04bc526..5427cac 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -1933,9 +1933,9 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf, + return result; + + spin_lock_irqsave(&adev->mmio_idx_lock, flags); +- WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); +- WREG32(mmMM_INDEX_HI, *pos >> 31); +- value = RREG32(mmMM_DATA); ++ WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); ++ WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); ++ value = RREG32_NO_KIQ(mmMM_DATA); + spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + + r = put_user(value, (uint32_t *)buf); +@@ -1976,9 +1976,9 @@ static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf, + return r; + + spin_lock_irqsave(&adev->mmio_idx_lock, flags); +- WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); +- WREG32(mmMM_INDEX_HI, *pos >> 31); +- WREG32(mmMM_DATA, value); ++ WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); ++ WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); ++ WREG32_NO_KIQ(mmMM_DATA, value); + spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + + result += 4; +-- +2.7.4 + |