From: Alex Deucher Date: Fri, 19 Feb 2010 21:07:02 +0000 (-0500) Subject: drm/radeon/rv740: fix backend setup X-Git-Tag: v2.6.34-rc4~12^2~67^2~12 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=6271901d828b34b27607314026deaf417f9f9b75 drm/radeon/rv740: fix backend setup 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 Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index d9712a1..fca96aa 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -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 = diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 323fa6b..f4bb0b1 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -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 =