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drm/amdgpu: added vega20 LBPW support v2

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Enable LBPW support on vega20.

v2: squash in warning fix (Alex)

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2018-08-24 16:40:03 +08:00 committed by Alex Deucher
parent 031db09017
commit 989b68232c
1 changed files with 104 additions and 1 deletions
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105
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -908,6 +908,50 @@ static void gfx_v9_0_get_csb_buffer(struct amdgpu_device *adev,
buffer[count++] = cpu_to_le32(0);
}
static void gfx_v9_0_init_always_on_cu_mask(struct amdgpu_device *adev)
{
struct amdgpu_cu_info *cu_info = &adev->gfx.cu_info;
uint32_t pg_always_on_cu_num = 2;
uint32_t always_on_cu_num;
uint32_t i, j, k;
uint32_t mask, cu_bitmap, counter;
if (adev->flags & AMD_IS_APU)
always_on_cu_num = 4;
else if (adev->asic_type == CHIP_VEGA12)
always_on_cu_num = 8;
else
always_on_cu_num = 12;
mutex_lock(&adev->grbm_idx_mutex);
for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
mask = 1;
cu_bitmap = 0;
counter = 0;
gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
for (k = 0; k < adev->gfx.config.max_cu_per_sh; k ++) {
if (cu_info->bitmap[i][j] & mask) {
if (counter == pg_always_on_cu_num)
WREG32_SOC15(GC, 0, mmRLC_PG_ALWAYS_ON_CU_MASK, cu_bitmap);
if (counter < always_on_cu_num)
cu_bitmap |= mask;
else
break;
counter++;
}
mask <<= 1;
}
WREG32_SOC15(GC, 0, mmRLC_LB_ALWAYS_ACTIVE_CU_MASK, cu_bitmap);
cu_info->ao_cu_bitmap[i][j] = cu_bitmap;
}
}
gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
mutex_unlock(&adev->grbm_idx_mutex);
}
static void gfx_v9_0_init_lbpw(struct amdgpu_device *adev)
{
uint32_t data;
@ -953,6 +997,55 @@ static void gfx_v9_0_init_lbpw(struct amdgpu_device *adev)
mutex_unlock(&adev->grbm_idx_mutex);
}
static void gfx_v9_4_init_lbpw(struct amdgpu_device *adev)
{
uint32_t data;
/* set mmRLC_LB_THR_CONFIG_1/2/3/4 */
WREG32_SOC15(GC, 0, mmRLC_LB_THR_CONFIG_1, 0x0000007F);
WREG32_SOC15(GC, 0, mmRLC_LB_THR_CONFIG_2, 0x033388F8);
WREG32_SOC15(GC, 0, mmRLC_LB_THR_CONFIG_3, 0x00000077);
WREG32_SOC15(GC, 0, mmRLC_LB_THR_CONFIG_4, (0x10 | 0x27 << 8 | 0x02FA << 16));
/* set mmRLC_LB_CNTR_INIT = 0x0000_0000 */
WREG32_SOC15(GC, 0, mmRLC_LB_CNTR_INIT, 0x00000000);
/* set mmRLC_LB_CNTR_MAX = 0x0000_0500 */
WREG32_SOC15(GC, 0, mmRLC_LB_CNTR_MAX, 0x00000800);
mutex_lock(&adev->grbm_idx_mutex);
/* set mmRLC_LB_INIT_CU_MASK thru broadcast mode to enable all SE/SH*/
gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
WREG32_SOC15(GC, 0, mmRLC_LB_INIT_CU_MASK, 0xffffffff);
/* set mmRLC_LB_PARAMS = 0x003F_1006 */
data = REG_SET_FIELD(0, RLC_LB_PARAMS, FIFO_SAMPLES, 0x0003);
data |= REG_SET_FIELD(data, RLC_LB_PARAMS, PG_IDLE_SAMPLES, 0x0010);
data |= REG_SET_FIELD(data, RLC_LB_PARAMS, PG_IDLE_SAMPLE_INTERVAL, 0x033F);
WREG32_SOC15(GC, 0, mmRLC_LB_PARAMS, data);
/* set mmRLC_GPM_GENERAL_7[31-16] = 0x00C0 */
data = RREG32_SOC15(GC, 0, mmRLC_GPM_GENERAL_7);
data &= 0x0000FFFF;
data |= 0x00C00000;
WREG32_SOC15(GC, 0, mmRLC_GPM_GENERAL_7, data);
/*
* RLC_LB_ALWAYS_ACTIVE_CU_MASK = 0xFFF (12 CUs AON),
* programmed in gfx_v9_0_init_always_on_cu_mask()
*/
/* set RLC_LB_CNTL = 0x8000_0095, 31 bit is reserved,
* but used for RLC_LB_CNTL configuration */
data = RLC_LB_CNTL__LB_CNT_SPIM_ACTIVE_MASK;
data |= REG_SET_FIELD(data, RLC_LB_CNTL, CU_MASK_USED_OFF_HYST, 0x09);
data |= REG_SET_FIELD(data, RLC_LB_CNTL, RESERVED, 0x80000);
WREG32_SOC15(GC, 0, mmRLC_LB_CNTL, data);
mutex_unlock(&adev->grbm_idx_mutex);
gfx_v9_0_init_always_on_cu_mask(adev);
}
static void gfx_v9_0_enable_lbpw(struct amdgpu_device *adev, bool enable)
{
WREG32_FIELD15(GC, 0, RLC_LB_CNTL, LOAD_BALANCE_ENABLE, enable ? 1 : 0);
@ -1084,8 +1177,17 @@ static int gfx_v9_0_rlc_init(struct amdgpu_device *adev)
rv_init_cp_jump_table(adev);
amdgpu_bo_kunmap(adev->gfx.rlc.cp_table_obj);
amdgpu_bo_unreserve(adev->gfx.rlc.cp_table_obj);
}
switch (adev->asic_type) {
case CHIP_RAVEN:
gfx_v9_0_init_lbpw(adev);
break;
case CHIP_VEGA20:
gfx_v9_4_init_lbpw(adev);
break;
default:
break;
}
return 0;
@ -2403,7 +2505,8 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
return r;
}
if (adev->asic_type == CHIP_RAVEN) {
if (adev->asic_type == CHIP_RAVEN ||
adev->asic_type == CHIP_VEGA20) {
if (amdgpu_lbpw != 0)
gfx_v9_0_enable_lbpw(adev, true);
else