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From ac2d9a9d78b5497413ae552788d3edf5c314fe24 Mon Sep 17 00:00:00 2001
From: Yong Zhao <yong.zhao@amd.com>
Date: Thu, 21 Dec 2017 16:19:03 -0500
Subject: [PATCH 3135/4131] drm/amdgpu: Update MMHUB power gating register
settings
The new register settings are needed to fix a tlb invalidation issue
when MMHUB power gating is turned on for Raven.
Change-Id: If91d224b075f9e3be85ebef5d55e2bd680d293cf
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Eric Huang <JinhuiEric.Huang@amd.com>
Reviewed-by: Eric Huang <JinhuiEric.Huang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 61 ++++++++++++++++++---------------
1 file changed, 33 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index ffd5b7e..bdf94c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -272,21 +272,21 @@ static const struct pctl_data pctl0_data[] = {
{0x11, 0x6a684},
{0x19, 0xea68e},
{0x29, 0xa69e},
- {0x2b, 0x34a6c0},
- {0x61, 0x83a707},
- {0xe6, 0x8a7a4},
- {0xf0, 0x1a7b8},
- {0xf3, 0xfa7cc},
- {0x104, 0x17a7dd},
- {0x11d, 0xa7dc},
- {0x11f, 0x12a7f5},
- {0x133, 0xa808},
- {0x135, 0x12a810},
- {0x149, 0x7a82c}
+ {0x2b, 0x0010a6c0},
+ {0x3d, 0x83a707},
+ {0xc2, 0x8a7a4},
+ {0xcc, 0x1a7b8},
+ {0xcf, 0xfa7cc},
+ {0xe0, 0x17a7dd},
+ {0xf9, 0xa7dc},
+ {0xfb, 0x12a7f5},
+ {0x10f, 0xa808},
+ {0x111, 0x12a810},
+ {0x125, 0x7a82c}
};
#define PCTL0_DATA_LEN (ARRAY_SIZE(pctl0_data))
-#define PCTL0_RENG_EXEC_END_PTR 0x151
+#define PCTL0_RENG_EXEC_END_PTR 0x12d
#define PCTL0_STCTRL_REG_SAVE_RANGE0_BASE 0xa640
#define PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa833
@@ -385,10 +385,9 @@ void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev)
if (amdgpu_sriov_vf(adev))
return;
+ /****************** pctl0 **********************/
pctl0_misc = RREG32_SOC15(MMHUB, 0, mmPCTL0_MISC);
pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
- pctl1_misc = RREG32_SOC15(MMHUB, 0, mmPCTL1_MISC);
- pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
/* Light sleep must be disabled before writing to pctl0 registers */
pctl0_misc &= ~PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
@@ -402,12 +401,13 @@ void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev)
pctl0_data[i].data);
}
- /* Set the reng execute end ptr for pctl0 */
- pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
- PCTL0_RENG_EXECUTE,
- RENG_EXECUTE_END_PTR,
- PCTL0_RENG_EXEC_END_PTR);
- WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
+ /* Re-enable light sleep */
+ pctl0_misc |= PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
+ WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
+
+ /****************** pctl1 **********************/
+ pctl1_misc = RREG32_SOC15(MMHUB, 0, mmPCTL1_MISC);
+ pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
/* Light sleep must be disabled before writing to pctl1 registers */
pctl1_misc &= ~PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
@@ -421,20 +421,25 @@ void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev)
pctl1_data[i].data);
}
+ /* Re-enable light sleep */
+ pctl1_misc |= PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
+ WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
+
+ mmhub_v1_0_power_gating_write_save_ranges(adev);
+
+ /* Set the reng execute end ptr for pctl0 */
+ pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
+ PCTL0_RENG_EXECUTE,
+ RENG_EXECUTE_END_PTR,
+ PCTL0_RENG_EXEC_END_PTR);
+ WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
+
/* Set the reng execute end ptr for pctl1 */
pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
PCTL1_RENG_EXECUTE,
RENG_EXECUTE_END_PTR,
PCTL1_RENG_EXEC_END_PTR);
WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
-
- mmhub_v1_0_power_gating_write_save_ranges(adev);
-
- /* Re-enable light sleep */
- pctl0_misc |= PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
- WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
- pctl1_misc |= PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
- WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
}
void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
--
2.7.4
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