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drm/ttm: device address space != CPU address space

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We need to store device offsets in 64 bit as the device
address space may be larger than the CPU's.

Fixes GPU init failures on radeons with 4GB or more of
vram on 32 bit kernels.  We put vram at the start of the
GPU's address space so the gart aperture starts at 4 GB
causing all GPU addresses in the gart aperture to get
truncated.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=89072

[airlied: fix warning on nouveau build]

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: thellstrom@vmware.com
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2015-03-04 00:18:38 -05:00
committed by Dave Airlie
parent 440fd5283a
commit 54c4cd68ed
4 changed files with 4 additions and 4 deletions
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2
drivers/gpu/drm/nouveau/nouveau_fbcon.c
View File

@@ -418,7 +418,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
nouveau_fbcon_zfill(dev, fbcon);
/* To allow resizeing without swapping buffers */
NV_INFO(drm, "allocated %dx%d fb: 0x%lx, bo %p\n",
NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n",
nouveau_fb->base.width, nouveau_fb->base.height,
nvbo->bo.offset, nvbo);

2
drivers/gpu/drm/ttm/ttm_bo.c
View File

@@ -74,7 +74,7 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
pr_err(" has_type: %d\n", man->has_type);
pr_err(" use_type: %d\n", man->use_type);
pr_err(" flags: 0x%08X\n", man->flags);
pr_err(" gpu_offset: 0x%08lX\n", man->gpu_offset);
pr_err(" gpu_offset: 0x%08llX\n", man->gpu_offset);
pr_err(" size: %llu\n", man->size);
pr_err(" available_caching: 0x%08X\n", man->available_caching);
pr_err(" default_caching: 0x%08X\n", man->default_caching);