drm/amdgpu: remove gtt_base_align handling

Not used any more.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -564,7 +564,6 @@ struct amdgpu_mc {
 	unsigned		vram_width;
 	u64			real_vram_size;
 	int			vram_mtrr;
-	u64                     gtt_base_align;
 	u64                     mc_mask;
 	const struct firmware   *fw;	/* MC firmware */
 	uint32_t                fw_version;

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

@@ -696,8 +696,8 @@ void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc)
 {
 	u64 size_af, size_bf;
 
-	size_af = ((adev->mc.mc_mask - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align;
-	size_bf = mc->vram_start & ~mc->gtt_base_align;
+	size_af = adev->mc.mc_mask - mc->vram_end;
+	size_bf = mc->vram_start;
 	if (size_bf > size_af) {
 		if (mc->gtt_size > size_bf) {
 			dev_warn(adev->dev, "limiting GTT\n");
@@ -709,7 +709,7 @@ void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc)
 			dev_warn(adev->dev, "limiting GTT\n");
 			mc->gtt_size = size_af;
 		}
-		mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align;
+		mc->gtt_start = mc->vram_end + 1;
 	}
 	mc->gtt_end = mc->gtt_start + mc->gtt_size - 1;
 	dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n",

drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c

@@ -228,7 +228,6 @@ static void gmc_v6_0_vram_gtt_location(struct amdgpu_device *adev,
 		mc->mc_vram_size = 0xFFC0000000ULL;
 	}
 	amdgpu_vram_location(adev, &adev->mc, base);
-	adev->mc.gtt_base_align = 0;
 	amdgpu_gtt_location(adev, mc);
 }
 

drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c

@@ -244,7 +244,6 @@ static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev,
 		mc->mc_vram_size = 0xFFC0000000ULL;
 	}
 	amdgpu_vram_location(adev, &adev->mc, base);
-	adev->mc.gtt_base_align = 0;
 	amdgpu_gtt_location(adev, mc);
 }
 

drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

@@ -406,7 +406,6 @@ static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
 		mc->mc_vram_size = 0xFFC0000000ULL;
 	}
 	amdgpu_vram_location(adev, &adev->mc, base);
-	adev->mc.gtt_base_align = 0;
 	amdgpu_gtt_location(adev, mc);
 }
 

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -420,7 +420,6 @@ static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
 	if (!amdgpu_sriov_vf(adev))
 		base = mmhub_v1_0_get_fb_location(adev);
 	amdgpu_vram_location(adev, &adev->mc, base);
-	adev->mc.gtt_base_align = 0;
 	amdgpu_gtt_location(adev, mc);
 	/* base offset of vram pages */
 	if (adev->flags & AMD_IS_APU)