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drm/radeon/rv740: fix backend setup

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This patch fixes occlusion queries and rendering errors
on rv740 boards. Hardcoding the backend map is not an optimal
solution, but a better fix is being worked on.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-02-19 16:07:02 -05:00 committed by Dave Airlie
parent 8e36113082
commit 6271901d82
2 changed files with 12 additions and 6 deletions
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9
drivers/gpu/drm/radeon/r600_cp.c
View file

@ -1439,9 +1439,12 @@ static void r700_gfx_init(struct drm_device *dev,
gb_tiling_config |= R600_BANK_SWAPS(1);
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);
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_gc_shader_pipe_config =

9
drivers/gpu/drm/radeon/rv770.c
View file

@ -556,9 +556,12 @@ static void rv770_gpu_init(struct radeon_device *rdev)
gb_tiling_config |= BANK_SWAPS(1);
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);
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_gc_shader_pipe_config =