1 files changed, 95 insertions, 16 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 793b1470284d..a296f7bbe57c 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1023,22 +1023,101 @@ static const struct amdgpu_allowed_register_entry cik_allowed_read_registers[] =
         {mmPA_SC_RASTER_CONFIG_1, true},
 };
 
-static uint32_t cik_read_indexed_register(struct amdgpu_device *adev,
-                                          u32 se_num, u32 sh_num,
-                                          u32 reg_offset)
+
+static uint32_t cik_get_register_value(struct amdgpu_device *adev,
+                                       bool indexed, u32 se_num,
+                                       u32 sh_num, u32 reg_offset)
 {
-        uint32_t val;
+        if (indexed) {
+                uint32_t val;
+                unsigned se_idx = (se_num == 0xffffffff) ? 0 : se_num;
+                unsigned sh_idx = (sh_num == 0xffffffff) ? 0 : sh_num;
+
+                switch (reg_offset) {
+                case mmCC_RB_BACKEND_DISABLE:
+                        return adev->gfx.config.rb_config[se_idx][sh_idx].rb_backend_disable;
+                case mmGC_USER_RB_BACKEND_DISABLE:
+                        return adev->gfx.config.rb_config[se_idx][sh_idx].user_rb_backend_disable;
+                case mmPA_SC_RASTER_CONFIG:
+                        return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config;
+                case mmPA_SC_RASTER_CONFIG_1:
+                        return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config_1;
+                }
 
-        mutex_lock(&adev->grbm_idx_mutex);
-        if (se_num != 0xffffffff || sh_num != 0xffffffff)
-                amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
+                mutex_lock(&adev->grbm_idx_mutex);
+                if (se_num != 0xffffffff || sh_num != 0xffffffff)
+                        amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
 
-        val = RREG32(reg_offset);
+                val = RREG32(reg_offset);
 
-        if (se_num != 0xffffffff || sh_num != 0xffffffff)
-                amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
-        mutex_unlock(&adev->grbm_idx_mutex);
-        return val;
+                if (se_num != 0xffffffff || sh_num != 0xffffffff)
+                        amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+                mutex_unlock(&adev->grbm_idx_mutex);
+                return val;
+        } else {
+                unsigned idx;
+
+                switch (reg_offset) {
+                case mmGB_ADDR_CONFIG:
+                        return adev->gfx.config.gb_addr_config;
+                case mmMC_ARB_RAMCFG:
+                        return adev->gfx.config.mc_arb_ramcfg;
+                case mmGB_TILE_MODE0:
+                case mmGB_TILE_MODE1:
+                case mmGB_TILE_MODE2:
+                case mmGB_TILE_MODE3:
+                case mmGB_TILE_MODE4:
+                case mmGB_TILE_MODE5:
+                case mmGB_TILE_MODE6:
+                case mmGB_TILE_MODE7:
+                case mmGB_TILE_MODE8:
+                case mmGB_TILE_MODE9:
+                case mmGB_TILE_MODE10:
+                case mmGB_TILE_MODE11:
+                case mmGB_TILE_MODE12:
+                case mmGB_TILE_MODE13:
+                case mmGB_TILE_MODE14:
+                case mmGB_TILE_MODE15:
+                case mmGB_TILE_MODE16:
+                case mmGB_TILE_MODE17:
+                case mmGB_TILE_MODE18:
+                case mmGB_TILE_MODE19:
+                case mmGB_TILE_MODE20:
+                case mmGB_TILE_MODE21:
+                case mmGB_TILE_MODE22:
+                case mmGB_TILE_MODE23:
+                case mmGB_TILE_MODE24:
+                case mmGB_TILE_MODE25:
+                case mmGB_TILE_MODE26:
+                case mmGB_TILE_MODE27:
+                case mmGB_TILE_MODE28:
+                case mmGB_TILE_MODE29:
+                case mmGB_TILE_MODE30:
+                case mmGB_TILE_MODE31:
+                        idx = (reg_offset - mmGB_TILE_MODE0);
+                        return adev->gfx.config.tile_mode_array[idx];
+                case mmGB_MACROTILE_MODE0:
+                case mmGB_MACROTILE_MODE1:
+                case mmGB_MACROTILE_MODE2:
+                case mmGB_MACROTILE_MODE3:
+                case mmGB_MACROTILE_MODE4:
+                case mmGB_MACROTILE_MODE5:
+                case mmGB_MACROTILE_MODE6:
+                case mmGB_MACROTILE_MODE7:
+                case mmGB_MACROTILE_MODE8:
+                case mmGB_MACROTILE_MODE9:
+                case mmGB_MACROTILE_MODE10:
+                case mmGB_MACROTILE_MODE11:
+                case mmGB_MACROTILE_MODE12:
+                case mmGB_MACROTILE_MODE13:
+                case mmGB_MACROTILE_MODE14:
+                case mmGB_MACROTILE_MODE15:
+                        idx = (reg_offset - mmGB_MACROTILE_MODE0);
+                        return adev->gfx.config.macrotile_mode_array[idx];
+                default:
+                        return RREG32(reg_offset);
+                }
+        }
 }
 
 static int cik_read_register(struct amdgpu_device *adev, u32 se_num,
@@ -1048,13 +1127,13 @@ static int cik_read_register(struct amdgpu_device *adev, u32 se_num,
 
         *value = 0;
         for (i = 0; i < ARRAY_SIZE(cik_allowed_read_registers); i++) {
+                bool indexed = cik_allowed_read_registers[i].grbm_indexed;
+
                 if (reg_offset != cik_allowed_read_registers[i].reg_offset)
                         continue;
 
-                *value = cik_allowed_read_registers[i].grbm_indexed ?
-                         cik_read_indexed_register(adev, se_num,
-                                                   sh_num, reg_offset) :
-                         RREG32(reg_offset);
+                *value = cik_get_register_value(adev, indexed, se_num, sh_num,
+                                                reg_offset);
                 return 0;
         }
         return -EINVAL;