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authorAlex Deucher <alexdeucher@gmail.com>2010-09-09 19:15:23 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-09-20 13:36:48 -0700
commit6a32943a76ec1489c497c8f1671080043686f31f (patch)
tree10a4c5e2ac4777a3ec713439ddbf36bfbc3cc142 /drivers
parent262a57c09e0c11f9ba2343664998585ece06104e (diff)
drm/radeon/kms/evergreen: fix backend setup
commit b741be82cf2079f71553af595610f17a3a3a752a upstream. 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> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 0f077fa06f37..d448c25d25c8 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1143,14 +1143,25 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
EVERGREEN_MAX_BACKENDS_MASK));
break;
}
- } else
- gb_backend_map =
- evergreen_get_tile_pipe_to_backend_map(rdev,
- rdev->config.evergreen.max_tile_pipes,
- rdev->config.evergreen.max_backends,
- ((EVERGREEN_MAX_BACKENDS_MASK <<
- rdev->config.evergreen.max_backends) &
- EVERGREEN_MAX_BACKENDS_MASK));
+ } else {
+ switch (rdev->family) {
+ case CHIP_CYPRESS:
+ case CHIP_HEMLOCK:
+ gb_backend_map = 0x66442200;
+ break;
+ case CHIP_JUNIPER:
+ gb_backend_map = 0x00006420;
+ break;
+ default:
+ gb_backend_map =
+ evergreen_get_tile_pipe_to_backend_map(rdev,
+ rdev->config.evergreen.max_tile_pipes,
+ rdev->config.evergreen.max_backends,
+ ((EVERGREEN_MAX_BACKENDS_MASK <<
+ rdev->config.evergreen.max_backends) &
+ EVERGREEN_MAX_BACKENDS_MASK));
+ }
+ }
WREG32(GB_BACKEND_MAP, gb_backend_map);
WREG32(GB_ADDR_CONFIG, gb_addr_config);