[PATCH 18/18] drm/amdgpu: fix the gart table cleared issue for S3

[Huang Rui]

Signed-off-by: Huang Rui <ray.huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
 drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c   | 2 ++
 drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c   | 2 ++
 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c   | 2 ++
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c   | 3 +++
 6 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 37f9869..50ed985 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -624,6 +624,7 @@ struct amdgpu_mc {
 	uint32_t                srbm_soft_reset;
 	struct amdgpu_mode_mc_save save;
 	bool			prt_warning;
+	unsigned long		stollen_size;
 	/* apertures */
 	u64					shared_aperture_start;
 	u64					shared_aperture_end;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 29c0deb..0406759 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1381,7 +1381,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
 	/* Change the size here instead of the init above so only lpfn is affected */
 	amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size);
 
-	r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true,
+	r = amdgpu_bo_create(adev, adev->mc.stollen_size, PAGE_SIZE, true,
 			     AMDGPU_GEM_DOMAIN_VRAM,
 			     AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
 			     AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index d576edc..540adae 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -873,6 +873,8 @@ static int gmc_v6_0_sw_init(void *handle)
 
 	adev->mc.mc_mask = 0xffffffffffULL;
 
+	adev->mc.stollen_size = 256 * 1024;
+
 	adev->need_dma32 = false;
 	dma_bits = adev->need_dma32 ? 32 : 40;
 	r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 681dda3..92e6e20 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -1060,6 +1060,8 @@ static int gmc_v7_0_sw_init(void *handle)
 	 */
 	adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
 
+	adev->mc.stollen_size = 256 * 1024;
+
 	/* set DMA mask + need_dma32 flags.
 	 * PCIE - can handle 40-bits.
 	 * IGP - can handle 40-bits
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index b5a3852..7738f4c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1148,6 +1148,8 @@ static int gmc_v8_0_sw_init(void *handle)
 	 */
 	adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
 
+	adev->mc.stollen_size = 256 * 1024;
+
 	/* set DMA mask + need_dma32 flags.
 	 * PCIE - can handle 40-bits.
 	 * IGP - can handle 40-bits
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index fed00f7..31f4f44 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -591,6 +591,9 @@ static int gmc_v9_0_sw_init(void *handle)
 	 */
 	adev->mc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
 
+	/* it needs to reserve 8M stollen memory for vega10 */
+	adev->mc.stollen_size = 8 * 1024 * 1024;
+
 	/* set DMA mask + need_dma32 flags.
 	 * PCIE - can handle 44-bits.
 	 * IGP - can handle 44-bits
-- 
2.7.4