From ac2d9a9d78b5497413ae552788d3edf5c314fe24 Mon Sep 17 00:00:00 2001 From: Yong Zhao 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 Acked-by: Alex Deucher Acked-by: Felix Kuehling Acked-by: Eric Huang Reviewed-by: Eric Huang --- 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