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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c45
1 files changed, 35 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 74adb983ab03..9c5df35f05b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -61,7 +61,7 @@
#include "amdgpu_res_cursor.h"
#include "bif/bif_4_1_d.h"
-MODULE_IMPORT_NS(DMA_BUF);
+MODULE_IMPORT_NS("DMA_BUF");
#define AMDGPU_TTM_VRAM_MAX_DW_READ ((size_t)128)
@@ -309,7 +309,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
mutex_lock(&adev->mman.gtt_window_lock);
while (src_mm.remaining) {
uint64_t from, to, cur_size, tiling_flags;
- uint32_t num_type, data_format, max_com;
+ uint32_t num_type, data_format, max_com, write_compress_disable;
struct dma_fence *next;
/* Never copy more than 256MiB at once to avoid a timeout */
@@ -340,9 +340,13 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
max_com = AMDGPU_TILING_GET(tiling_flags, GFX12_DCC_MAX_COMPRESSED_BLOCK);
num_type = AMDGPU_TILING_GET(tiling_flags, GFX12_DCC_NUMBER_TYPE);
data_format = AMDGPU_TILING_GET(tiling_flags, GFX12_DCC_DATA_FORMAT);
+ write_compress_disable =
+ AMDGPU_TILING_GET(tiling_flags, GFX12_DCC_WRITE_COMPRESS_DISABLE);
copy_flags |= (AMDGPU_COPY_FLAGS_SET(MAX_COMPRESSED, max_com) |
AMDGPU_COPY_FLAGS_SET(NUMBER_TYPE, num_type) |
- AMDGPU_COPY_FLAGS_SET(DATA_FORMAT, data_format));
+ AMDGPU_COPY_FLAGS_SET(DATA_FORMAT, data_format) |
+ AMDGPU_COPY_FLAGS_SET(WRITE_COMPRESS_DISABLE,
+ write_compress_disable));
}
r = amdgpu_copy_buffer(ring, from, to, cur_size, resv,
@@ -812,7 +816,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev,
/* Map SG to device */
r = dma_map_sgtable(adev->dev, ttm->sg, direction, 0);
if (r)
- goto release_sg;
+ goto release_sg_table;
/* convert SG to linear array of pages and dma addresses */
drm_prime_sg_to_dma_addr_array(ttm->sg, gtt->ttm.dma_address,
@@ -820,6 +824,8 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev,
return 0;
+release_sg_table:
+ sg_free_table(ttm->sg);
release_sg:
kfree(ttm->sg);
ttm->sg = NULL;
@@ -1760,7 +1766,8 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev)
if (!adev->bios &&
(amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) ||
- amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 4)))
+ amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 4) ||
+ amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0)))
reserve_size = max(reserve_size, (uint32_t)280 << 20);
else if (!reserve_size)
reserve_size = DISCOVERY_TMR_OFFSET;
@@ -1849,6 +1856,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
mutex_init(&adev->mman.gtt_window_lock);
+ dma_set_max_seg_size(adev->dev, UINT_MAX);
/* No others user of address space so set it to 0 */
r = ttm_device_init(&adev->mman.bdev, &amdgpu_bo_driver, adev->dev,
adev_to_drm(adev)->anon_inode->i_mapping,
@@ -1956,10 +1964,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
/* Compute GTT size, either based on TTM limit
* or whatever the user passed on module init.
*/
- if (amdgpu_gtt_size == -1)
- gtt_size = ttm_tt_pages_limit() << PAGE_SHIFT;
- else
- gtt_size = (uint64_t)amdgpu_gtt_size << 20;
+ gtt_size = ttm_tt_pages_limit() << PAGE_SHIFT;
+ if (amdgpu_gtt_size != -1) {
+ uint64_t configured_size = (uint64_t)amdgpu_gtt_size << 20;
+
+ drm_warn(&adev->ddev,
+ "Configuring gttsize via module parameter is deprecated, please use ttm.pages_limit\n");
+ if (gtt_size != configured_size)
+ drm_warn(&adev->ddev,
+ "GTT size has been set as %llu but TTM size has been set as %llu, this is unusual\n",
+ configured_size, gtt_size);
+
+ gtt_size = configured_size;
+ }
/* Initialize GTT memory pool */
r = amdgpu_gtt_mgr_init(adev, gtt_size);
@@ -1970,6 +1987,11 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
DRM_INFO("amdgpu: %uM of GTT memory ready.\n",
(unsigned int)(gtt_size / (1024 * 1024)));
+ if (adev->flags & AMD_IS_APU) {
+ if (adev->gmc.real_vram_size < gtt_size)
+ adev->apu_prefer_gtt = true;
+ }
+
/* Initialize doorbell pool on PCI BAR */
r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_DOORBELL, adev->doorbell.size / PAGE_SIZE);
if (r) {
@@ -2059,9 +2081,12 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
amdgpu_vram_mgr_fini(adev);
amdgpu_gtt_mgr_fini(adev);
amdgpu_preempt_mgr_fini(adev);
+ amdgpu_doorbell_fini(adev);
+
ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GDS);
ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS);
ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA);
+ ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_DOORBELL);
ttm_device_fini(&adev->mman.bdev);
adev->mman.initialized = false;
DRM_INFO("amdgpu: ttm finalized\n");
@@ -2272,7 +2297,7 @@ int amdgpu_ttm_clear_buffer(struct amdgpu_bo *bo,
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
struct amdgpu_res_cursor cursor;
u64 addr;
- int r;
+ int r = 0;
if (!adev->mman.buffer_funcs_enabled)
return -EINVAL;