Reserved VRAM is used to avoid overriding pre OS FB.
Once our display stack takes over we don't need the reserved
VRAM anymore.
v2:
Remove comment, we know actually why we need to reserve the stolen VRAM.
Fix return type for amdgpu_ttm_late_init.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 5 +++++
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 +++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 1 +
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 | 6 ++----
8 files changed, 20 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 5abf95a..08f87ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -848,6 +848,11 @@ int amdgpu_bo_init(struct amdgpu_device *adev)
return amdgpu_ttm_init(adev);
}
+int amdgpu_bo_late_init(struct amdgpu_device *adev)
+{
+ amdgpu_ttm_late_init(adev);
+}
+
void amdgpu_bo_fini(struct amdgpu_device *adev)
{
amdgpu_ttm_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index deb10ec..dfa25a3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -228,6 +228,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
int amdgpu_bo_unpin(struct amdgpu_bo *bo);
int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
int amdgpu_bo_init(struct amdgpu_device *adev);
+int amdgpu_bo_late_init(struct amdgpu_device *adev);
void amdgpu_bo_fini(struct amdgpu_device *adev);
int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
struct vm_area_struct *vma);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index d2ab404..e1328f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1503,13 +1503,17 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
return 0;
}
+void amdgpu_ttm_late_init(struct amdgpu_device *adev)
+{
+ amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL);
+}
+
void amdgpu_ttm_fini(struct amdgpu_device *adev)
{
if (!adev->mman.initialized)
return;
amdgpu_ttm_debugfs_fini(adev);
- amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL);
amdgpu_ttm_fw_reserve_vram_fini(adev);
if (adev->mman.aper_base_kaddr)
iounmap(adev->mman.aper_base_kaddr);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 6ea7de8..e969c87 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -77,6 +77,7 @@ uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man);
int amdgpu_ttm_init(struct amdgpu_device *adev);
+void amdgpu_ttm_late_init(struct amdgpu_device *adev);
void amdgpu_ttm_fini(struct amdgpu_device *adev);
void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev,
bool enable);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index 378ef65..27c9c64 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -819,6 +819,8 @@ static int gmc_v6_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ amdgpu_bo_late_init(adev);
+
if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
else
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 2cb1b13..12f99f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -958,6 +958,8 @@ static int gmc_v7_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ amdgpu_bo_late_init(adev);
+
if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
else
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 979f73e..4e0de31 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1049,6 +1049,8 @@ static int gmc_v8_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ amdgpu_bo_late_init(adev);
+
if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
else
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index f7c2d61..596a4bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -659,6 +659,8 @@ static int gmc_v9_0_late_init(void *handle)
unsigned i;
int r;
+ amdgpu_bo_late_init(adev);
+
for(i = 0; i < adev->num_rings; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
unsigned vmhub = ring->funcs->vmhub;
@@ -844,10 +846,6 @@ static int gmc_v9_0_sw_init(void *handle)
*/
adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
- /*
- * It needs to reserve 8M stolen memory for vega10
- * TODO: Figure out how to avoid that...
- */
adev->gmc.stolen_size = gmc_stolen_mem_size(&adev->gmc);
/* set DMA mask + need_dma32 flags.
--
2.7.4
