Commit 761f58e0 authored by Junwei Zhang's avatar Junwei Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: correct GART location info



Avoid confusing the GART with the GTT domain.

Signed-off-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8e2c7ad9
Loading
Loading
Loading
Loading
+6 −8
Original line number Diff line number Diff line
@@ -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);
}