leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu: abstract TLB initialization for gfxhub/mmhub

Browse Source 
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>
This commit is contained in:
Huang Rui 2017-05-31 17:19:01 +08:00 committed by Alex Deucher
parent fc4b884b26
commit 3426983939
2 changed files with 44 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
View File

@ -114,6 +114,27 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
}
static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
{
uint32_t tmp;
/* Setup TLB control */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL));
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL, 1);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
MTYPE, MTYPE_UC);/* XXX for emulation. */
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
}
int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
@ -131,35 +152,7 @@ int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
/* GART Enable. */
gfxhub_v1_0_init_gart_aperture_regs(adev);
gfxhub_v1_0_init_system_aperture_regs(adev);
/* Setup TLB control */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL));
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
SYSTEM_ACCESS_MODE,
3);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL,
1);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
SYSTEM_APERTURE_UNMAPPED_ACCESS,
0);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ECO_BITS,
0);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
MTYPE,
MTYPE_UC);/* XXX for emulation. */
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ATC_EN,
1);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
gfxhub_v1_0_init_tlb_regs(adev);
/* Setup L2 cache */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL));

22
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
View File

@ -125,6 +125,27 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
}
static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
{
uint32_t tmp;
/* Setup TLB control */
tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL, 1);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
MTYPE, MTYPE_UC);/* XXX for emulation. */
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
}
int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
@ -143,6 +164,7 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
/* GART Enable. */
mmhub_v1_0_init_gart_aperture_regs(adev);
mmhub_v1_0_init_system_aperture_regs(adev);
mmhub_v1_0_init_tlb_regs(adev);
/* Setup TLB control */
tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));