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authorPaolo Bonzini <pbonzini@redhat.com>2022-02-05 00:58:25 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2022-02-05 00:58:25 -0500
commit7e6a6b400db8048bd1c06e497e338388413cf5bc (patch)
tree794f9fcdc7a1bfb9a2812e90fc76809d810203b2 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
parentKVM: x86: Use ERR_PTR_USR() to return -EFAULT as a __user pointer (diff)
parentKVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata (diff)
downloadwireguard-linux-7e6a6b400db8048bd1c06e497e338388413cf5bc.tar.xz
wireguard-linux-7e6a6b400db8048bd1c06e497e338388413cf5bc.zip
Merge tag 'kvmarm-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.17, take #2 - A couple of fixes when handling an exception while a SError has been delivered - Workaround for Cortex-A510's single-step[ erratum
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c33
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index a1e63ba4c54a..c0d8f40a5b45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -877,6 +877,32 @@ out:
return r;
}
+static int amdgpu_gem_align_pitch(struct amdgpu_device *adev,
+ int width,
+ int cpp,
+ bool tiled)
+{
+ int aligned = width;
+ int pitch_mask = 0;
+
+ switch (cpp) {
+ case 1:
+ pitch_mask = 255;
+ break;
+ case 2:
+ pitch_mask = 127;
+ break;
+ case 3:
+ case 4:
+ pitch_mask = 63;
+ break;
+ }
+
+ aligned += pitch_mask;
+ aligned &= ~pitch_mask;
+ return aligned * cpp;
+}
+
int amdgpu_mode_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
@@ -885,7 +911,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
struct drm_gem_object *gobj;
uint32_t handle;
u64 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
- AMDGPU_GEM_CREATE_CPU_GTT_USWC;
+ AMDGPU_GEM_CREATE_CPU_GTT_USWC |
+ AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
u32 domain;
int r;
@@ -897,8 +924,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
if (adev->mman.buffer_funcs_enabled)
flags |= AMDGPU_GEM_CREATE_VRAM_CLEARED;
- args->pitch = amdgpu_align_pitch(adev, args->width,
- DIV_ROUND_UP(args->bpp, 8), 0);
+ args->pitch = amdgpu_gem_align_pitch(adev, args->width,
+ DIV_ROUND_UP(args->bpp, 8), 0);
args->size = (u64)args->pitch * args->height;
args->size = ALIGN(args->size, PAGE_SIZE);
domain = amdgpu_bo_get_preferred_domain(adev,