Starting from vangogh, the ATCL2 and DAGB0 registers relative
to mgcg/ls has changed.
For MGCG:
Replace mmMM_ATC_L2_MISC_CG with mmMM_ATC_L2_CGTT_CLK_CTRL.
For MGLS:
Replace mmMM_ATC_L2_MISC_CG with mmMM_ATC_L2_CGTT_CLK_CTRL.
Add DAGB0_(WR/RD)_CGTT_CLK_CTRL registers.
Signed-off-by: Aaron Liu <aaron.liu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c | 84 ++++++++++++++++++-------
1 file changed, 61 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
index 92f02883daa3..8f2edba5bc9e 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c
@@ -492,12 +492,11 @@ mmhub_v2_3_update_medium_grain_clock_gating(struct amdgpu_device *adev,
{
uint32_t def, data, def1, data1;
- def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
+ def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL);
def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
- data |= MM_ATC_L2_MISC_CG__ENABLE_MASK;
-
+ data &= ~MM_ATC_L2_CGTT_CLK_CTRL__SOFT_OVERRIDE_MASK;
data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
@@ -506,8 +505,7 @@ mmhub_v2_3_update_medium_grain_clock_gating(struct amdgpu_device *adev,
DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
} else {
- data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK;
-
+ data |= MM_ATC_L2_CGTT_CLK_CTRL__SOFT_OVERRIDE_MASK;
data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
@@ -517,7 +515,7 @@ mmhub_v2_3_update_medium_grain_clock_gating(struct amdgpu_device *adev,
}
if (def != data)
- WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
+ WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL, data);
if (def1 != data1)
WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
}
@@ -526,17 +524,44 @@ static void
mmhub_v2_3_update_medium_grain_light_sleep(struct amdgpu_device *adev,
bool enable)
{
- uint32_t def, data;
-
- def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
-
- if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
- data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
- else
- data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+ uint32_t def, data, def1, data1, def2, data2;
+
+ def = data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL);
+ def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_WR_CGTT_CLK_CTRL);
+ def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB0_RD_CGTT_CLK_CTRL);
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
+ data &= ~MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK;
+ data1 &= !(DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK);
+ data2 &= !(DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK);
+ } else {
+ data |= MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK;
+ data1 |= (DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK);
+ data2 |= (DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK);
+ }
if (def != data)
- WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG, data);
+ WREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL, data);
+ if (def1 != data1)
+ WREG32_SOC15(MMHUB, 0, mmDAGB0_WR_CGTT_CLK_CTRL, data1);
+ if (def2 != data2)
+ WREG32_SOC15(MMHUB, 0, mmDAGB0_RD_CGTT_CLK_CTRL, data2);
}
static int mmhub_v2_3_set_clockgating(struct amdgpu_device *adev,
@@ -555,26 +580,39 @@ static int mmhub_v2_3_set_clockgating(struct amdgpu_device *adev,
static void mmhub_v2_3_get_clockgating(struct amdgpu_device *adev, u32 *flags)
{
- int data, data1;
+ int data, data1, data2, data3;
if (amdgpu_sriov_vf(adev))
*flags = 0;
- data = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_MISC_CG);
- data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
+ data = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
+ data1 = RREG32_SOC15(MMHUB, 0, mmMM_ATC_L2_CGTT_CLK_CTRL);
+ data2 = RREG32_SOC15(MMHUB, 0, mmDAGB0_WR_CGTT_CLK_CTRL);
+ data3 = RREG32_SOC15(MMHUB, 0, mmDAGB0_RD_CGTT_CLK_CTRL);
/* AMD_CG_SUPPORT_MC_MGCG */
- if ((data & MM_ATC_L2_MISC_CG__ENABLE_MASK) &&
- !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+ if (!(data & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
- DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
- *flags |= AMD_CG_SUPPORT_MC_MGCG;
+ DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK))
+ && !(data1 & MM_ATC_L2_CGTT_CLK_CTRL__SOFT_OVERRIDE_MASK)) {
+ *flags |= AMD_CG_SUPPORT_MC_MGCG;
+ }
/* AMD_CG_SUPPORT_MC_LS */
- if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
+ if (!(data1 & MM_ATC_L2_CGTT_CLK_CTRL__MGLS_OVERRIDE_MASK)
+ && !(data2 & (DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
+ DAGB0_WR_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK))
+ && !(data3 & (DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_WRITE_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_READ_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_RETURN_MASK |
+ DAGB0_RD_CGTT_CLK_CTRL__LS_OVERRIDE_REGISTER_MASK)))
*flags |= AMD_CG_SUPPORT_MC_LS;
}
--
2.25.1
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