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drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)

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v2: fix rebase onto drm-fixes

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2014-07-17 19:01:08 +09:00
committed by Alex Deucher
parent 77497f2735
commit 02376d8282
21 changed files with 70 additions and 47 deletions
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3
drivers/gpu/drm/radeon/cik_sdma.c
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@@ -771,7 +771,8 @@ void cik_sdma_vm_set_page(struct radeon_device *rdev,
trace_radeon_vm_set_page(pe, addr, count, incr, flags);
if (flags == R600_PTE_GART) {
/* XXX: How to distinguish between GART and other system memory pages? */
if (flags & R600_PTE_SYSTEM) {
uint64_t src = rdev->gart.table_addr + (addr >> 12) * 8;
while (count) {
unsigned bytes = count * 8;