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authorAlex Deucher <alexdeucher@gmail.com>2010-09-09 19:15:23 -0400
committerDave Airlie <airlied@redhat.com>2010-09-13 06:29:38 -0400
commitb741be82cf2079f71553af595610f17a3a3a752a (patch)
treec49c75a82d457446218fd0e725e34584b6c644d9 /drivers
parent7b334fcb45b757ffb093696ca3de1b0c8b4a33f1 (diff)
drm/radeon/kms/evergreen: fix backend setup
This patch fixes rendering errors on some evergreen boards. Hardcoding the backend map is not an optimal solution, but a better fix is being worked on. Similar to the fix for rv740 (6271901d828b34b27607314026deaf417f9f9b75). Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=29986 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index b8b7f010b25f..79082d4398ae 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1160,14 +1160,25 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
1160 EVERGREEN_MAX_BACKENDS_MASK)); 1160 EVERGREEN_MAX_BACKENDS_MASK));
1161 break; 1161 break;
1162 } 1162 }
1163 } else 1163 } else {
1164 gb_backend_map = 1164 switch (rdev->family) {
1165 evergreen_get_tile_pipe_to_backend_map(rdev, 1165 case CHIP_CYPRESS:
1166 rdev->config.evergreen.max_tile_pipes, 1166 case CHIP_HEMLOCK:
1167 rdev->config.evergreen.max_backends, 1167 gb_backend_map = 0x66442200;
1168 ((EVERGREEN_MAX_BACKENDS_MASK << 1168 break;
1169 rdev->config.evergreen.max_backends) & 1169 case CHIP_JUNIPER:
1170 EVERGREEN_MAX_BACKENDS_MASK)); 1170 gb_backend_map = 0x00006420;
1171 break;
1172 default:
1173 gb_backend_map =
1174 evergreen_get_tile_pipe_to_backend_map(rdev,
1175 rdev->config.evergreen.max_tile_pipes,
1176 rdev->config.evergreen.max_backends,
1177 ((EVERGREEN_MAX_BACKENDS_MASK <<
1178 rdev->config.evergreen.max_backends) &
1179 EVERGREEN_MAX_BACKENDS_MASK));
1180 }
1181 }
1171 1182
1172 rdev->config.evergreen.tile_config = gb_addr_config; 1183 rdev->config.evergreen.tile_config = gb_addr_config;
1173 WREG32(GB_BACKEND_MAP, gb_backend_map); 1184 WREG32(GB_BACKEND_MAP, gb_backend_map);