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drm/amdgpu: Enable HDP memory light sleep

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Due to the register name and setting change of HDP
memory light sleep on Vega20,change accordingly in
the driver.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2018-11-19 14:49:16 +08:00 committed by Alex Deucher
parent a4233cc944
commit a5d0f45659
1 changed files with 32 additions and 7 deletions
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39
drivers/gpu/drm/amd/amdgpu/soc15.c
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@ -65,6 +65,13 @@
#define mmMP0_MISC_LIGHT_SLEEP_CTRL 0x01ba
#define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX 0
/* for Vega20 register name change */
#define mmHDP_MEM_POWER_CTRL 0x00d4
#define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK 0x00000001L
#define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK 0x00000002L
#define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK 0x00010000L
#define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK 0x00020000L
#define mmHDP_MEM_POWER_CTRL_BASE_IDX 0
/*
* Indirect registers accessor
*/
@ -870,15 +877,33 @@ static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable
{
uint32_t def, data;
def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
if (adev->asic_type == CHIP_VEGA20) {
def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
else
data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
else
data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
if (def != data)
WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
if (def != data)
WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
} else {
def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
else
data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
if (def != data)
WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
}
}
static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)