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drm: remove usage of drm_pci_alloc/free 

Remove usage of legacy dma-api abstraction in preparation for removal

Signed-off-by: Joseph Kogut <joseph.kogut@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210423020248.3427369-1-joseph.kogut@gmail.com
This commit is contained in:
Joseph Kogut 2021-04-22 19:02:43 -07:00 committed by Daniel Vetter
parent 355b602961
commit 70556e24e1
3 changed files with 41 additions and 8 deletions
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19
drivers/gpu/drm/drm_bufs.c
View File

@ -675,12 +675,17 @@ int drm_legacy_rmmap_ioctl(struct drm_device *dev, void *data,
static void drm_cleanup_buf_error(struct drm_device *dev,
struct drm_buf_entry *entry)
{
drm_dma_handle_t *dmah;
int i;
if (entry->seg_count) {
for (i = 0; i < entry->seg_count; i++) {
if (entry->seglist[i]) {
drm_pci_free(dev, entry->seglist[i]);
dmah = entry->seglist[i];
dma_free_coherent(dev->dev,
dmah->size,
dmah->vaddr,
dmah->busaddr);
}
}
kfree(entry->seglist);
@ -979,10 +984,18 @@ int drm_legacy_addbufs_pci(struct drm_device *dev,
page_count = 0;
while (entry->buf_count < count) {
dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL);
if (!dmah)
return -ENOMEM;
dmah = drm_pci_alloc(dev, PAGE_SIZE << page_order, 0x1000);
dmah->size = total;
dmah->vaddr = dma_alloc_coherent(dev->dev,
dmah->size,
&dmah->busaddr,
GFP_KERNEL);
if (!dmah->vaddr) {
kfree(dmah);
if (!dmah) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
entry->seg_count = count;

8
drivers/gpu/drm/drm_dma.c
View File

@ -81,6 +81,7 @@ int drm_legacy_dma_setup(struct drm_device *dev)
void drm_legacy_dma_takedown(struct drm_device *dev)
{
struct drm_device_dma *dma = dev->dma;
drm_dma_handle_t *dmah;
int i, j;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
@ -100,7 +101,12 @@ void drm_legacy_dma_takedown(struct drm_device *dev)
dma->bufs[i].seg_count);
for (j = 0; j < dma->bufs[i].seg_count; j++) {
if (dma->bufs[i].seglist[j]) {
drm_pci_free(dev, dma->bufs[i].seglist[j]);
dmah = dma->bufs[i].seglist[j];
dma_free_coherent(dev->dev,
dmah->size,
dmah->vaddr,
dmah->busaddr);
kfree(dmah);
}
}
kfree(dma->bufs[i].seglist);

22
drivers/gpu/drm/r128/ati_pcigart.c
View File

@ -45,18 +45,32 @@
static int drm_ati_alloc_pcigart_table(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info)
{
gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size,
PAGE_SIZE);
if (gart_info->table_handle == NULL)
drm_dma_handle_t *dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL);
if (!dmah)
return -ENOMEM;
dmah->size = gart_info->table_size;
dmah->vaddr = dma_alloc_coherent(dev->dev,
dmah->size,
&dmah->busaddr,
GFP_KERNEL);
if (!dmah->vaddr) {
kfree(dmah);
return -ENOMEM;
}
gart_info->table_handle = dmah;
return 0;
}
static void drm_ati_free_pcigart_table(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info)
{
drm_pci_free(dev, gart_info->table_handle);
drm_dma_handle_t *dmah = gart_info->table_handle;
dma_free_coherent(dev->dev, dmah->size, dmah->vaddr, dmah->busaddr);
gart_info->table_handle = NULL;
}