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From 078a8af6f60a8848598708b02e15ec59bb782674 Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
Date: Fri, 18 Aug 2017 10:06:34 -0400
Subject: [PATCH 0007/4131] drm/radeon: use new TTM populate/dma map helper
functions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/radeon_ttm.c | 33 ++-------------------------------
1 file changed, 2 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index bf69bf9..8032da5 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -725,8 +725,6 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm)
{
struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
struct radeon_device *rdev;
- unsigned i;
- int r;
bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
if (ttm->state != tt_unpopulated)
@@ -762,33 +760,13 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm)
}
#endif
- r = ttm_pool_populate(ttm);
- if (r) {
- return r;
- }
-
- for (i = 0; i < ttm->num_pages; i++) {
- gtt->ttm.dma_address[i] = pci_map_page(rdev->pdev, ttm->pages[i],
- 0, PAGE_SIZE,
- PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) {
- while (i--) {
- pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- gtt->ttm.dma_address[i] = 0;
- }
- ttm_pool_unpopulate(ttm);
- return -EFAULT;
- }
- }
- return 0;
+ return ttm_populate_and_map_pages(rdev->dev, >t->ttm);
}
static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)
{
struct radeon_device *rdev;
struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
- unsigned i;
bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
if (gtt && gtt->userptr) {
@@ -815,14 +793,7 @@ static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)
}
#endif
- for (i = 0; i < ttm->num_pages; i++) {
- if (gtt->ttm.dma_address[i]) {
- pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- }
- }
-
- ttm_pool_unpopulate(ttm);
+ ttm_unmap_and_unpopulate_pages(rdev->dev, >t->ttm);
}
int radeon_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
--
2.7.4
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