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amd/amdgpu: Limit rlcg write registers only for nv12

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Create gfx_v10_0_rlc_funcs_sriov for nv12 with rlcg_write function pointers be initialized
so driver can use RLCG to write aceess CSIB and CP_ME_CNTL registers when nv12 in sriov mode

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2020-04-27 13:38:28 -04:00 committed by Alex Deucher
parent d09f85d52a
commit 43a10b15d4
1 changed files with 25 additions and 7 deletions
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32
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
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@ -4577,11 +4577,13 @@ static int gfx_v10_0_init_csb(struct amdgpu_device *adev)
adev->gfx.rlc.funcs->get_csb_buffer(adev, adev->gfx.rlc.cs_ptr);
/* csib */
WREG32_SOC15_RLC(GC, 0, mmRLC_CSIB_ADDR_HI,
adev->gfx.rlc.clear_state_gpu_addr >> 32);
WREG32_SOC15_RLC(GC, 0, mmRLC_CSIB_ADDR_LO,
adev->gfx.rlc.clear_state_gpu_addr & 0xfffffffc);
WREG32_SOC15_RLC(GC, 0, mmRLC_CSIB_LENGTH, adev->gfx.rlc.clear_state_size);
/* amdgpu_mm_wreg_mmio_rlc will fall back to mmio if doesn't support rlcg_write */
amdgpu_mm_wreg_mmio_rlc(adev, SOC15_REG_OFFSET(GC, 0, mmRLC_CSIB_ADDR_HI),
adev->gfx.rlc.clear_state_gpu_addr >> 32, 0);
amdgpu_mm_wreg_mmio_rlc(adev, SOC15_REG_OFFSET(GC, 0, mmRLC_CSIB_ADDR_LO),
adev->gfx.rlc.clear_state_gpu_addr & 0xfffffffc, 0);
amdgpu_mm_wreg_mmio_rlc(adev, SOC15_REG_OFFSET(GC, 0, mmRLC_CSIB_LENGTH),
adev->gfx.rlc.clear_state_size, 0);
return 0;
}
@ -5190,7 +5192,7 @@ static int gfx_v10_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, enable ? 0 : 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, enable ? 0 : 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, enable ? 0 : 1);
WREG32_SOC15_RLC(GC, 0, mmCP_ME_CNTL, tmp);
amdgpu_mm_wreg_mmio_rlc(adev, SOC15_REG_OFFSET(GC, 0, mmCP_ME_CNTL), tmp, 0);
for (i = 0; i < adev->usec_timeout; i++) {
if (RREG32_SOC15(GC, 0, mmCP_STAT) == 0)
@ -7088,6 +7090,20 @@ static const struct amdgpu_rlc_funcs gfx_v10_0_rlc_funcs = {
.reset = gfx_v10_0_rlc_reset,
.start = gfx_v10_0_rlc_start,
.update_spm_vmid = gfx_v10_0_update_spm_vmid,
};
static const struct amdgpu_rlc_funcs gfx_v10_0_rlc_funcs_sriov = {
.is_rlc_enabled = gfx_v10_0_is_rlc_enabled,
.set_safe_mode = gfx_v10_0_set_safe_mode,
.unset_safe_mode = gfx_v10_0_unset_safe_mode,
.init = gfx_v10_0_rlc_init,
.get_csb_size = gfx_v10_0_get_csb_size,
.get_csb_buffer = gfx_v10_0_get_csb_buffer,
.resume = gfx_v10_0_rlc_resume,
.stop = gfx_v10_0_rlc_stop,
.reset = gfx_v10_0_rlc_reset,
.start = gfx_v10_0_rlc_start,
.update_spm_vmid = gfx_v10_0_update_spm_vmid,
.rlcg_wreg = gfx_v10_rlcg_wreg,
.is_rlcg_access_range = gfx_v10_0_is_rlcg_access_range,
};
@ -8185,9 +8201,11 @@ static void gfx_v10_0_set_rlc_funcs(struct amdgpu_device *adev)
switch (adev->asic_type) {
case CHIP_NAVI10:
case CHIP_NAVI14:
case CHIP_NAVI12:
adev->gfx.rlc.funcs = &gfx_v10_0_rlc_funcs;
break;
case CHIP_NAVI12:
adev->gfx.rlc.funcs = &gfx_v10_0_rlc_funcs_sriov;
break;
default:
break;
}