drm/radeon: fixes for r6xx/r7xx gfx init

- updated swizzle modes for backend map setup
- fix programming of a few gfx regs
- properly handle pipe/backend setup on LE cards

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 331 insertions, 159 deletions

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 694a4c564f52..b3c7e0f87b91 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -980,6 +980,9 @@ void r600_gpu_init(struct radeon_device *rdev)
 {
         u32 tiling_config;
         u32 ramcfg;
+        u32 backend_map;
+        u32 cc_rb_backend_disable;
+        u32 cc_gc_shader_pipe_config;
         u32 tmp;
         int i, j;
         u32 sq_config;
@@ -1076,23 +1079,20 @@ void r600_gpu_init(struct radeon_device *rdev)
         switch (rdev->config.r600.max_tile_pipes) {
         case 1:
                 tiling_config |= PIPE_TILING(0);
-                rdev->config.r600.tiling_npipes = 1;
                 break;
         case 2:
                 tiling_config |= PIPE_TILING(1);
-                rdev->config.r600.tiling_npipes = 2;
                 break;
         case 4:
                 tiling_config |= PIPE_TILING(2);
-                rdev->config.r600.tiling_npipes = 4;
                 break;
         case 8:
                 tiling_config |= PIPE_TILING(3);
-                rdev->config.r600.tiling_npipes = 8;
                 break;
         default:
                 break;
         }
+        rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
         rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
         tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
         tiling_config |= GROUP_SIZE(0);
@@ -1106,24 +1106,33 @@ void r600_gpu_init(struct radeon_device *rdev)
                 tiling_config |= SAMPLE_SPLIT(tmp);
         }
         tiling_config |= BANK_SWAPS(1);
-        tmp = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
-                                                rdev->config.r600.max_backends,
-                                                (0xff << rdev->config.r600.max_backends) & 0xff);
-        tiling_config |= BACKEND_MAP(tmp);
+
+        cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+        cc_rb_backend_disable |=
+                BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
+
+        cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+        cc_gc_shader_pipe_config |=
+                INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
+        cc_gc_shader_pipe_config |=
+                INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
+
+        backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
+                                                        (R6XX_MAX_BACKENDS -
+                                                         r600_count_pipe_bits((cc_rb_backend_disable &
+                                                                               R6XX_MAX_BACKENDS_MASK) >> 16)),
+                                                        (cc_rb_backend_disable >> 16));
+
+        tiling_config |= BACKEND_MAP(backend_map);
         WREG32(GB_TILING_CONFIG, tiling_config);
         WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
         WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
 
-        tmp = BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
-        WREG32(CC_RB_BACKEND_DISABLE, tmp);
-
         /* Setup pipes */
-        tmp = INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
-        tmp |= INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
-        WREG32(CC_GC_SHADER_PIPE_CONFIG, tmp);
-        WREG32(GC_USER_SHADER_PIPE_CONFIG, tmp);
+        WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
+        WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 
-        tmp = R6XX_MAX_BACKENDS - r600_count_pipe_bits(tmp & INACTIVE_QD_PIPES_MASK);
+        tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
         WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
 
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index fca96aa28818..40416c068d9f 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -734,8 +734,8 @@ static void r600_gfx_init(struct drm_device *dev,
         u32 hdp_host_path_cntl;
         u32 backend_map;
         u32 gb_tiling_config = 0;
-        u32 cc_rb_backend_disable = 0;
-        u32 cc_gc_shader_pipe_config = 0;
+        u32 cc_rb_backend_disable;
+        u32 cc_gc_shader_pipe_config;
         u32 ramcfg;
 
         /* setup chip specs */
@@ -857,18 +857,22 @@ static void r600_gfx_init(struct drm_device *dev,
 
         gb_tiling_config |= R600_BANK_SWAPS(1);
 
-        backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
-                                                        dev_priv->r600_max_backends,
-                                                        (0xff << dev_priv->r600_max_backends) & 0xff);
-        gb_tiling_config |= R600_BACKEND_MAP(backend_map);
+        cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+        cc_rb_backend_disable |=
+                R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
 
-        cc_gc_shader_pipe_config =
+        cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+        cc_gc_shader_pipe_config |=
                 R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
         cc_gc_shader_pipe_config |=
                 R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
 
-        cc_rb_backend_disable =
-                R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
+        backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
+                                                        (R6XX_MAX_BACKENDS -
+                                                         r600_count_pipe_bits((cc_rb_backend_disable &
+                                                                               R6XX_MAX_BACKENDS_MASK) >> 16)),
+                                                        (cc_rb_backend_disable >> 16));
+        gb_tiling_config |= R600_BACKEND_MAP(backend_map);
 
         RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
         RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
@@ -890,7 +894,7 @@ static void r600_gfx_init(struct drm_device *dev,
         RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 
         num_qd_pipes =
-                R6XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
+                R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
         RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
         RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
 
@@ -1162,7 +1166,8 @@ static void r600_gfx_init(struct drm_device *dev,
 
 }
 
-static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+static u32 r700_get_tile_pipe_to_backend_map(drm_radeon_private_t *dev_priv,
+                                             u32 num_tile_pipes,
                                              u32 num_backends,
                                              u32 backend_disable_mask)
 {
@@ -1173,6 +1178,7 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
         u32 swizzle_pipe[R7XX_MAX_PIPES];
         u32 cur_backend;
         u32 i;
+        bool force_no_swizzle;
 
         if (num_tile_pipes > R7XX_MAX_PIPES)
                 num_tile_pipes = R7XX_MAX_PIPES;
@@ -1202,6 +1208,18 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
         if (enabled_backends_count != num_backends)
                 num_backends = enabled_backends_count;
 
+        switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+        case CHIP_RV770:
+        case CHIP_RV730:
+                force_no_swizzle = false;
+                break;
+        case CHIP_RV710:
+        case CHIP_RV740:
+        default:
+                force_no_swizzle = true;
+                break;
+        }
+
         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
         switch (num_tile_pipes) {
         case 1:
@@ -1212,49 +1230,100 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
                 swizzle_pipe[1] = 1;
                 break;
         case 3:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 1;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 1;
+                }
                 break;
         case 4:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 3;
-                swizzle_pipe[3] = 1;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 3;
+                        swizzle_pipe[3] = 1;
+                }
                 break;
         case 5:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 1;
-                swizzle_pipe[4] = 3;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 1;
+                        swizzle_pipe[4] = 3;
+                }
                 break;
         case 6:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 5;
-                swizzle_pipe[4] = 3;
-                swizzle_pipe[5] = 1;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                        swizzle_pipe[5] = 5;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 5;
+                        swizzle_pipe[4] = 3;
+                        swizzle_pipe[5] = 1;
+                }
                 break;
         case 7:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 6;
-                swizzle_pipe[4] = 3;
-                swizzle_pipe[5] = 1;
-                swizzle_pipe[6] = 5;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                        swizzle_pipe[5] = 5;
+                        swizzle_pipe[6] = 6;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 6;
+                        swizzle_pipe[4] = 3;
+                        swizzle_pipe[5] = 1;
+                        swizzle_pipe[6] = 5;
+                }
                 break;
         case 8:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 6;
-                swizzle_pipe[4] = 3;
-                swizzle_pipe[5] = 1;
-                swizzle_pipe[6] = 7;
-                swizzle_pipe[7] = 5;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                        swizzle_pipe[5] = 5;
+                        swizzle_pipe[6] = 6;
+                        swizzle_pipe[7] = 7;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 6;
+                        swizzle_pipe[4] = 3;
+                        swizzle_pipe[5] = 1;
+                        swizzle_pipe[6] = 7;
+                        swizzle_pipe[7] = 5;
+                }
                 break;
         }
 
@@ -1275,8 +1344,10 @@ static void r700_gfx_init(struct drm_device *dev,
                           drm_radeon_private_t *dev_priv)
 {
         int i, j, num_qd_pipes;
+        u32 ta_aux_cntl;
         u32 sx_debug_1;
         u32 smx_dc_ctl0;
+        u32 db_debug3;
         u32 num_gs_verts_per_thread;
         u32 vgt_gs_per_es;
         u32 gs_prim_buffer_depth = 0;
@@ -1287,8 +1358,8 @@ static void r700_gfx_init(struct drm_device *dev,
         u32 sq_dyn_gpr_size_simd_ab_0;
         u32 backend_map;
         u32 gb_tiling_config = 0;
-        u32 cc_rb_backend_disable = 0;
-        u32 cc_gc_shader_pipe_config = 0;
+        u32 cc_rb_backend_disable;
+        u32 cc_gc_shader_pipe_config;
         u32 mc_arb_ramcfg;
         u32 db_debug4;
 
@@ -1439,21 +1510,26 @@ static void r700_gfx_init(struct drm_device *dev,
 
         gb_tiling_config |= R600_BANK_SWAPS(1);
 
-        if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)
-                backend_map = 0x28;
-        else
-                backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
-                                                                dev_priv->r600_max_backends,
-                                                                (0xff << dev_priv->r600_max_backends) & 0xff);
-        gb_tiling_config |= R600_BACKEND_MAP(backend_map);
+        cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+        cc_rb_backend_disable |=
+                R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
 
-        cc_gc_shader_pipe_config =
+        cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+        cc_gc_shader_pipe_config |=
                 R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
         cc_gc_shader_pipe_config |=
                 R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
 
-        cc_rb_backend_disable =
-                R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)
+                backend_map = 0x28;
+        else
+                backend_map = r700_get_tile_pipe_to_backend_map(dev_priv,
+                                                                dev_priv->r600_max_tile_pipes,
+                                                                (R7XX_MAX_BACKENDS -
+                                                                 r600_count_pipe_bits((cc_rb_backend_disable &
+                                                                                       R7XX_MAX_BACKENDS_MASK) >> 16)),
+                                                                (cc_rb_backend_disable >> 16));
+        gb_tiling_config |= R600_BACKEND_MAP(backend_map);
 
         RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
         RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
@@ -1472,16 +1548,13 @@ static void r700_gfx_init(struct drm_device *dev,
 
         RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
         RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
-        RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 
         RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
         RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
         RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
-        RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
-        RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
 
         num_qd_pipes =
-                R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
+                R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
         RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
         RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
 
@@ -1491,10 +1564,8 @@ static void r700_gfx_init(struct drm_device *dev,
 
         RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
 
-        RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
-                                        R600_SYNC_GRADIENT |
-                                        R600_SYNC_WALKER |
-                                        R600_SYNC_ALIGNER));
+        ta_aux_cntl = RADEON_READ(R600_TA_CNTL_AUX);
+        RADEON_WRITE(R600_TA_CNTL_AUX, ta_aux_cntl | R600_DISABLE_CUBE_ANISO);
 
         sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
         sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
@@ -1505,14 +1576,28 @@ static void r700_gfx_init(struct drm_device *dev,
         smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
         RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
 
-        RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
-                                          R700_GS_FLUSH_CTL(4) |
-                                          R700_ACK_FLUSH_CTL(3) |
-                                          R700_SYNC_FLUSH_CTL));
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV740)
+                RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
+                                                  R700_GS_FLUSH_CTL(4) |
+                                                  R700_ACK_FLUSH_CTL(3) |
+                                                  R700_SYNC_FLUSH_CTL));
 
-        if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
-                RADEON_WRITE(R700_DB_DEBUG3, R700_DB_CLK_OFF_DELAY(0x1f));
-        else {
+        db_debug3 = RADEON_READ(R700_DB_DEBUG3);
+        db_debug3 &= ~R700_DB_CLK_OFF_DELAY(0x1f);
+        switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+        case CHIP_RV770:
+        case CHIP_RV740:
+                db_debug3 |= R700_DB_CLK_OFF_DELAY(0x1f);
+                break;
+        case CHIP_RV710:
+        case CHIP_RV730:
+        default:
+                db_debug3 |= R700_DB_CLK_OFF_DELAY(2);
+                break;
+        }
+        RADEON_WRITE(R700_DB_DEBUG3, db_debug3);
+
+        if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV770) {
                 db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
                 db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
                 RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
@@ -1541,10 +1626,10 @@ static void r700_gfx_init(struct drm_device *dev,
                             R600_ALU_UPDATE_FIFO_HIWATER(0x8));
         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
         case CHIP_RV770:
-                sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
-                break;
         case CHIP_RV730:
         case CHIP_RV710:
+                sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
+                break;
         case CHIP_RV740:
         default:
                 sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index f4bb0b129a0f..88356b0a1f63 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -274,9 +274,10 @@ static int rv770_cp_load_microcode(struct radeon_device *rdev)
 /*
  * Core functions
  */
-static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
-                                                u32 num_backends,
-                                                u32 backend_disable_mask)
+static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
+                                             u32 num_tile_pipes,
+                                             u32 num_backends,
+                                             u32 backend_disable_mask)
 {
         u32 backend_map = 0;
         u32 enabled_backends_mask;
@@ -285,6 +286,7 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
         u32 swizzle_pipe[R7XX_MAX_PIPES];
         u32 cur_backend;
         u32 i;
+        bool force_no_swizzle;
 
         if (num_tile_pipes > R7XX_MAX_PIPES)
                 num_tile_pipes = R7XX_MAX_PIPES;
@@ -314,6 +316,18 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
         if (enabled_backends_count != num_backends)
                 num_backends = enabled_backends_count;
 
+        switch (rdev->family) {
+        case CHIP_RV770:
+        case CHIP_RV730:
+                force_no_swizzle = false;
+                break;
+        case CHIP_RV710:
+        case CHIP_RV740:
+        default:
+                force_no_swizzle = true;
+                break;
+        }
+
         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
         switch (num_tile_pipes) {
         case 1:
@@ -324,49 +338,100 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
                 swizzle_pipe[1] = 1;
                 break;
         case 3:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 1;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 1;
+                }
                 break;
         case 4:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 3;
-                swizzle_pipe[3] = 1;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 3;
+                        swizzle_pipe[3] = 1;
+                }
                 break;
         case 5:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 1;
-                swizzle_pipe[4] = 3;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 1;
+                        swizzle_pipe[4] = 3;
+                }
                 break;
         case 6:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 5;
-                swizzle_pipe[4] = 3;
-                swizzle_pipe[5] = 1;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                        swizzle_pipe[5] = 5;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 5;
+                        swizzle_pipe[4] = 3;
+                        swizzle_pipe[5] = 1;
+                }
                 break;
         case 7:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 6;
-                swizzle_pipe[4] = 3;
-                swizzle_pipe[5] = 1;
-                swizzle_pipe[6] = 5;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                        swizzle_pipe[5] = 5;
+                        swizzle_pipe[6] = 6;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 6;
+                        swizzle_pipe[4] = 3;
+                        swizzle_pipe[5] = 1;
+                        swizzle_pipe[6] = 5;
+                }
                 break;
         case 8:
-                swizzle_pipe[0] = 0;
-                swizzle_pipe[1] = 2;
-                swizzle_pipe[2] = 4;
-                swizzle_pipe[3] = 6;
-                swizzle_pipe[4] = 3;
-                swizzle_pipe[5] = 1;
-                swizzle_pipe[6] = 7;
-                swizzle_pipe[7] = 5;
+                if (force_no_swizzle) {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 1;
+                        swizzle_pipe[2] = 2;
+                        swizzle_pipe[3] = 3;
+                        swizzle_pipe[4] = 4;
+                        swizzle_pipe[5] = 5;
+                        swizzle_pipe[6] = 6;
+                        swizzle_pipe[7] = 7;
+                } else {
+                        swizzle_pipe[0] = 0;
+                        swizzle_pipe[1] = 2;
+                        swizzle_pipe[2] = 4;
+                        swizzle_pipe[3] = 6;
+                        swizzle_pipe[4] = 3;
+                        swizzle_pipe[5] = 1;
+                        swizzle_pipe[6] = 7;
+                        swizzle_pipe[7] = 5;
+                }
                 break;
         }
 
@@ -386,8 +451,10 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 static void rv770_gpu_init(struct radeon_device *rdev)
 {
         int i, j, num_qd_pipes;
+        u32 ta_aux_cntl;
         u32 sx_debug_1;
         u32 smx_dc_ctl0;
+        u32 db_debug3;
         u32 num_gs_verts_per_thread;
         u32 vgt_gs_per_es;
         u32 gs_prim_buffer_depth = 0;
@@ -516,24 +583,20 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
         switch (rdev->config.rv770.max_tile_pipes) {
         case 1:
+        default:
                 gb_tiling_config |= PIPE_TILING(0);
-                rdev->config.rv770.tiling_npipes = 1;
                 break;
         case 2:
                 gb_tiling_config |= PIPE_TILING(1);
-                rdev->config.rv770.tiling_npipes = 2;
                 break;
         case 4:
                 gb_tiling_config |= PIPE_TILING(2);
-                rdev->config.rv770.tiling_npipes = 4;
                 break;
         case 8:
                 gb_tiling_config |= PIPE_TILING(3);
-                rdev->config.rv770.tiling_npipes = 8;
-                break;
-        default:
                 break;
         }
+        rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
 
         if (rdev->family == CHIP_RV770)
                 gb_tiling_config |= BANK_TILING(1);
@@ -556,21 +619,27 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
         gb_tiling_config |= BANK_SWAPS(1);
 
-        if (rdev->family == CHIP_RV740)
-                backend_map = 0x28;
-        else
-                backend_map = r700_get_tile_pipe_to_backend_map(rdev->config.rv770.max_tile_pipes,
-                                                                rdev->config.rv770.max_backends,
-                                                                (0xff << rdev->config.rv770.max_backends) & 0xff);
-        gb_tiling_config |= BACKEND_MAP(backend_map);
+        cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+        cc_rb_backend_disable |=
+                BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
 
-        cc_gc_shader_pipe_config =
+        cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+        cc_gc_shader_pipe_config |=
                 INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
         cc_gc_shader_pipe_config |=
                 INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
 
-        cc_rb_backend_disable =
-                BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
+        if (rdev->family == CHIP_RV740)
+                backend_map = 0x28;
+        else
+                backend_map = r700_get_tile_pipe_to_backend_map(rdev,
+                                                                rdev->config.rv770.max_tile_pipes,
+                                                                (R7XX_MAX_BACKENDS -
+                                                                 r600_count_pipe_bits((cc_rb_backend_disable &
+                                                                                       R7XX_MAX_BACKENDS_MASK) >> 16)),
+                                                                (cc_rb_backend_disable >> 16));
+        gb_tiling_config |= BACKEND_MAP(backend_map);
+
 
         WREG32(GB_TILING_CONFIG, gb_tiling_config);
         WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
@@ -578,16 +647,13 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
         WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
         WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
-        WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
+        WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
 
-        WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
         WREG32(CGTS_SYS_TCC_DISABLE, 0);
         WREG32(CGTS_TCC_DISABLE, 0);
-        WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
-        WREG32(CGTS_USER_TCC_DISABLE, 0);
 
         num_qd_pipes =
-                R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK);
+                R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
         WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
 
@@ -597,10 +663,8 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
 
-        WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
-                             SYNC_GRADIENT |
-                             SYNC_WALKER |
-                             SYNC_ALIGNER));
+        ta_aux_cntl = RREG32(TA_CNTL_AUX);
+        WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
 
         sx_debug_1 = RREG32(SX_DEBUG_1);
         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
@@ -611,14 +675,28 @@ static void rv770_gpu_init(struct radeon_device *rdev)
         smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
 
-        WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
-                               GS_FLUSH_CTL(4) |
-                               ACK_FLUSH_CTL(3) |
-                               SYNC_FLUSH_CTL));
+        if (rdev->family != CHIP_RV740)
+                WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
+                                       GS_FLUSH_CTL(4) |
+                                       ACK_FLUSH_CTL(3) |
+                                       SYNC_FLUSH_CTL));
 
-        if (rdev->family == CHIP_RV770)
-                WREG32(DB_DEBUG3, DB_CLK_OFF_DELAY(0x1f));
-        else {
+        db_debug3 = RREG32(DB_DEBUG3);
+        db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
+        switch (rdev->family) {
+        case CHIP_RV770:
+        case CHIP_RV740:
+                db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
+                break;
+        case CHIP_RV710:
+        case CHIP_RV730:
+        default:
+                db_debug3 |= DB_CLK_OFF_DELAY(2);
+                break;
+        }
+        WREG32(DB_DEBUG3, db_debug3);
+
+        if (rdev->family != CHIP_RV770) {
                 db_debug4 = RREG32(DB_DEBUG4);
                 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
                 WREG32(DB_DEBUG4, db_debug4);
@@ -647,10 +725,10 @@ static void rv770_gpu_init(struct radeon_device *rdev)
                             ALU_UPDATE_FIFO_HIWATER(0x8));
         switch (rdev->family) {
         case CHIP_RV770:
-                sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
-                break;
         case CHIP_RV730:
         case CHIP_RV710:
+                sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
+                break;
         case CHIP_RV740:
         default:
                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);