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drm/amdgpu: correct GART location info

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Avoid confusing the GART with the GTT domain.

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Junwei Zhang 2018-06-19 11:22:18 +08:00 committed by Alex Deucher
parent 8e2c7ad99d
commit 761f58e0e9
1 changed files with 6 additions and 8 deletions
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14
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -676,17 +676,15 @@ void amdgpu_device_vram_location(struct amdgpu_device *adev,
}
/**
* amdgpu_device_gart_location - try to find GTT location
* amdgpu_device_gart_location - try to find GART location
*
* @adev: amdgpu device structure holding all necessary informations
* @mc: memory controller structure holding memory informations
*
* Function will place try to place GTT before or after VRAM.
* Function will place try to place GART before or after VRAM.
*
* If GTT size is bigger than space left then we ajust GTT size.
* If GART size is bigger than space left then we ajust GART size.
* Thus function will never fails.
*
* FIXME: when reducing GTT size align new size on power of 2.
*/
void amdgpu_device_gart_location(struct amdgpu_device *adev,
struct amdgpu_gmc *mc)
@ -699,13 +697,13 @@ void amdgpu_device_gart_location(struct amdgpu_device *adev,
size_bf = mc->vram_start;
if (size_bf > size_af) {
if (mc->gart_size > size_bf) {
dev_warn(adev->dev, "limiting GTT\n");
dev_warn(adev->dev, "limiting GART\n");
mc->gart_size = size_bf;
}
mc->gart_start = 0;
} else {
if (mc->gart_size > size_af) {
dev_warn(adev->dev, "limiting GTT\n");
dev_warn(adev->dev, "limiting GART\n");
mc->gart_size = size_af;
}
/* VCE doesn't like it when BOs cross a 4GB segment, so align
@ -714,7 +712,7 @@ void amdgpu_device_gart_location(struct amdgpu_device *adev,
mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL);
}
mc->gart_end = mc->gart_start + mc->gart_size - 1;
dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n",
dev_info(adev->dev, "GART: %lluM 0x%016llX - 0x%016llX\n",
mc->gart_size >> 20, mc->gart_start, mc->gart_end);
}