From: "Christian König" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH] drm/amdgpu: fix AGP location with VRAM at 0x0
Date: Thu, 4 Oct 2018 11:02:10 +0200 [thread overview]
Message-ID: <20181004090210.1904-1-christian.koenig@amd.com> (raw)
That also simplifies handling quite a bit.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 9a5b252784a1..999e15945355 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -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);
--
2.14.1
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next reply other threads:[~2018-10-04 9:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-04 9:02 Christian König [this message]
[not found] ` <20181004090210.1904-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>
2018-10-08 11:35 ` [PATCH] drm/amdgpu: fix AGP location with VRAM at 0x0 Christian König
2018-10-09 6:45 ` Zhang, Jerry(Junwei)
2018-10-09 10:47 ` Huang Rui
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