drm/amdgpu: fix AGP location with VRAM at 0x0 (2ccecaf6) · Commits · 戴 / test

That also simplifies handling quite a bit. Signed-off-by:

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

+2 −5

Original line number	Diff line number	Diff line
		@@ -200,16 +200,13 @@ void amdgpu_gmc_agp_location(struct amdgpu_device adev, struct amdgpu_gmc mc)
		}

		if (size_bf > size_af) {
		mc->agp_start = mc->fb_start > mc->gart_start ?
		mc->gart_end + 1 : 0;
		mc->agp_start = (mc->fb_start - size_bf) & sixteen_gb_mask;
		mc->agp_size = size_bf;
		} else {
		mc->agp_start = (mc->fb_start > mc->gart_start ?
		mc->fb_end : mc->gart_end) + 1,
		mc->agp_start = ALIGN(mc->fb_end + 1, sixteen_gb);
		mc->agp_size = size_af;
		}

		mc->agp_start = ALIGN(mc->agp_start, sixteen_gb);
		mc->agp_end = mc->agp_start + mc->agp_size - 1;
		dev_info(adev->dev, "AGP: %lluM 0x%016llX - 0x%016llX\n",
		mc->agp_size >> 20, mc->agp_start, mc->agp_end);