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

drm/tegra: gem: Rename paddr -> iova

Browse Source 
The address can refer to either physical memory or IO virtual memory.
If referring to IO virtual memory, there will always be an associated
physical memory address. Rename this variable to "iova" to clarify in
all cases that this is the IO virtual memory, which in the absence of
an IOMMU is identical to the physical address.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2018-06-04 17:36:50 +02:00
parent aacdf19849
commit 7e3c53a096
5 changed files with 16 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/tegra/dc.c
View File

@@ -717,7 +717,7 @@ static void tegra_plane_atomic_update(struct drm_plane *plane,
for (i = 0; i < fb->format->num_planes; i++) {
struct tegra_bo *bo = tegra_fb_get_plane(fb, i);
window.base[i] = bo->paddr + fb->offsets[i];
window.base[i] = bo->iova + fb->offsets[i];
/*
* Tegra uses a shared stride for UV planes. Framebuffers are
@@ -869,11 +869,11 @@ static void tegra_cursor_atomic_update(struct drm_plane *plane,
return;
}
value |= (bo->paddr >> 10) & 0x3fffff;
value |= (bo->iova >> 10) & 0x3fffff;
tegra_dc_writel(dc, value, DC_DISP_CURSOR_START_ADDR);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
value = (bo->paddr >> 32) & 0x3;
value = (bo->iova >> 32) & 0x3;
tegra_dc_writel(dc, value, DC_DISP_CURSOR_START_ADDR_HI);
#endif