Am 21.04.2017 um 10:43 schrieb Chunming Zhou:
v2: address Alex's comment, add AMDGPU_DEFAULT_GTT_SIZE_MB.
Change-Id: I0417651a8e6fd23b28f9b30a110a196c332e2d03
Signed-off-by: Chunming Zhou <[email protected]>
Reviewed-by: Christian König <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 ++-
5 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 8ab080a..501d6ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -114,6 +114,7 @@
extern int amdgpu_cntl_sb_buf_per_se;
extern int amdgpu_param_buf_per_se;
+#define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
#define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index 0ce0d0a..480368b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -346,7 +346,8 @@ static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
* size equal to the 1024 or vram, whichever is larger.
*/
if (amdgpu_gart_size == -1)
- adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
+ adev->mc.gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size);
else
adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index f90dba5..715f605 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -392,7 +392,8 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
* size equal to the 1024 or vram, whichever is larger.
*/
if (amdgpu_gart_size == -1)
- adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
+ adev->mc.gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size);
else
adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index fe79328..d0e7510 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -484,7 +484,8 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
* size equal to the 1024 or vram, whichever is larger.
*/
if (amdgpu_gart_size == -1)
- adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
+ adev->mc.gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size);
else
adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 2d7a0e2..6ad0b87 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -463,7 +463,8 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
* size equal to the 1024 or vram, whichever is larger.
*/
if (amdgpu_gart_size == -1)
- adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size);
+ adev->mc.gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size);
else
adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
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