summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
diff options
context:
space:
mode:
authorHuang Rui <ray.huang@amd.com>2017-05-31 16:40:14 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-06-06 16:57:41 -0400
commit9bbad6fda00baa8680554086c67b93f7ae72de3b (patch)
tree116756e7ce512d765fb290266d24dd915a6135d6 /drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
parenta51dca4f21728ba24c10eb39e40200924c0ba083 (diff)
drm/amdgpu: abstract gart aperture initialization for gfxhub/mmhub
Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index d720e16444b2..9ca2360a8db1 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -66,6 +66,25 @@ static void mmhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev)
upper_32_bits(value));
}
+static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
+{
+ mmhub_v1_0_init_gart_pt_regs(adev);
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
+ (u32)(adev->mc.gtt_start >> 12));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
+ (u32)(adev->mc.gtt_start >> 44));
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
+ (u32)(adev->mc.gtt_end >> 12));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
+ (u32)(adev->mc.gtt_end >> 44));
+}
+
int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
@@ -75,6 +94,7 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
/* Program MC. */
mmhub_v1_0_init_gart_pt_regs(adev);
+ mmhub_v1_0_init_gart_aperture_regs(adev);
/* Update configuration */
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
@@ -176,21 +196,6 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
0);
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp);
- /* setup context0 */
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
- (u32)(adev->mc.gtt_start >> 12));
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
- (u32)(adev->mc.gtt_start >> 44));
-
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
- (u32)(adev->mc.gtt_end >> 12));
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
- (u32)(adev->mc.gtt_end >> 44));
-
WREG32(SOC15_REG_OFFSET(MMHUB, 0,
mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
(u32)(adev->dummy_page.addr >> 12));