xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/nouveau: tidy up and extend dma object creation interfaces

Browse Source 
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2010-11-16 11:50:09 +10:00
parent 6d6c5a157a
commit 7f4a195fcb
8 changed files with 197 additions and 173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/nouveau/nouveau_sgdma.c
View File

@@ -247,14 +247,11 @@ nouveau_sgdma_init(struct drm_device *dev)
*/
gpuobj->cinst = gpuobj->pinst;
/* Maybe use NV_DMA_TARGET_AGP for PCIE? NVIDIA do this, and
* confirmed to work on c51. Perhaps means NV_DMA_TARGET_PCIE
* on those cards? */
nv_wo32(gpuobj, 0, NV_CLASS_DMA_IN_MEMORY |
(1 << 12) /* PT present */ |
(0 << 13) /* PT *not* linear */ |
(NV_DMA_ACCESS_RW << 14) |
(NV_DMA_TARGET_PCI << 16));
(0 << 14) /* RW */ |
(2 << 16) /* PCI */);
nv_wo32(gpuobj, 4, aper_size - 1);
for (i = 2; i < 2 + (aper_size >> 12); i++)
nv_wo32(gpuobj, i * 4, 0x00000000);