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authorHans de Goede <hdegoede@redhat.com>2024-09-05 16:51:58 +0200
committerHans de Goede <hdegoede@redhat.com>2024-09-05 16:57:36 +0200
commit56d8b784c56588cd40f98e4b1d4f6e29e3cb02b8 (patch)
tree5edd10e48440fcbb5a76bbb9b78dc1706b3d5cec /drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
parent3a1fb526c2482b2f61c9813e9e14fcdab4ffa390 (diff)
parenta54da9df75cd1b4b5028f6c60f9a211532680585 (diff)
Merge tag 'hwmon-for-v6.11-rc7' into review-hans
Merge "hwmon fixes for v6.11-rc7" into review-hans to bring in commit a54da9df75cd ("hwmon: (hp-wmi-sensors) Check if WMI event data exists"). This is a dependency for a set of WMI event data refactoring changes.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index f91cc149d06c..7d26a962f811 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -456,6 +456,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
u64 vis_usage = 0, max_bytes, min_block_size;
struct amdgpu_vram_mgr_resource *vres;
u64 size, remaining_size, lpfn, fpfn;
+ unsigned int adjust_dcc_size = 0;
struct drm_buddy *mm = &mgr->mm;
struct drm_buddy_block *block;
unsigned long pages_per_block;
@@ -511,7 +512,19 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
/* Allocate blocks in desired range */
vres->flags |= DRM_BUDDY_RANGE_ALLOCATION;
+ if (bo->flags & AMDGPU_GEM_CREATE_GFX12_DCC &&
+ adev->gmc.gmc_funcs->get_dcc_alignment)
+ adjust_dcc_size = amdgpu_gmc_get_dcc_alignment(adev);
+
remaining_size = (u64)vres->base.size;
+ if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS && adjust_dcc_size) {
+ unsigned int dcc_size;
+
+ dcc_size = roundup_pow_of_two(vres->base.size + adjust_dcc_size);
+ remaining_size = (u64)dcc_size;
+
+ vres->flags |= DRM_BUDDY_TRIM_DISABLE;
+ }
mutex_lock(&mgr->lock);
while (remaining_size) {
@@ -521,8 +534,11 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
min_block_size = mgr->default_page_size;
size = remaining_size;
- if ((size >= (u64)pages_per_block << PAGE_SHIFT) &&
- !(size & (((u64)pages_per_block << PAGE_SHIFT) - 1)))
+
+ if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS && adjust_dcc_size)
+ min_block_size = size;
+ else if ((size >= (u64)pages_per_block << PAGE_SHIFT) &&
+ !(size & (((u64)pages_per_block << PAGE_SHIFT) - 1)))
min_block_size = (u64)pages_per_block << PAGE_SHIFT;
BUG_ON(min_block_size < mm->chunk_size);
@@ -553,6 +569,22 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
}
mutex_unlock(&mgr->lock);
+ if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS && adjust_dcc_size) {
+ struct drm_buddy_block *dcc_block;
+ unsigned long dcc_start;
+ u64 trim_start;
+
+ dcc_block = amdgpu_vram_mgr_first_block(&vres->blocks);
+ /* Adjust the start address for DCC buffers only */
+ dcc_start =
+ roundup((unsigned long)amdgpu_vram_mgr_block_start(dcc_block),
+ adjust_dcc_size);
+ trim_start = (u64)dcc_start;
+ drm_buddy_block_trim(mm, &trim_start,
+ (u64)vres->base.size,
+ &vres->blocks);
+ }
+
vres->base.start = 0;
size = max_t(u64, amdgpu_vram_mgr_blocks_size(&vres->blocks),
vres->base.size);