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.

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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 (file)
--- 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,