diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index cd7951060afd..b114252e7810 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2261,6 +2261,14 @@ static void evergreen_gpu_init(struct radeon_device *rdev) } /* enabled rb are just the one not disabled :) */ disabled_rb_mask = tmp; + tmp = 0; + for (i = 0; i < rdev->config.evergreen.max_backends; i++) + tmp |= (1 << i); + /* if all the backends are disabled, fix it up here */ + if ((disabled_rb_mask & tmp) == tmp) { + for (i = 0; i < rdev->config.evergreen.max_backends; i++) + disabled_rb_mask &= ~(1 << i); + } WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index a23503e16083..78aead0ada7b 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -615,6 +615,14 @@ static void cayman_gpu_init(struct radeon_device *rdev) } /* enabled rb are just the one not disabled :) */ disabled_rb_mask = tmp; + tmp = 0; + for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++) + tmp |= (1 << i); + /* if all the backends are disabled, fix it up here */ + if ((disabled_rb_mask & tmp) == tmp) { + for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++) + disabled_rb_mask &= ~(1 << i); + } WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); |