diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2016-01-21 15:19:59 +0000 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2016-01-26 18:53:27 +0100 |
| commit | b98c66887ee1aec661dcb88fe17399d5d112ed98 (patch) | |
| tree | 2576ecf5e3d822343207cabe4f4f284fd14fe97e /drivers | |
| parent | f6427760a29ba3fd968e27ea567b1ebdd500740b (diff) | |
drm/etnaviv: ignore VG GPUs with FE2.0
Ignore GPUs with a 2.0 front end. These have a different register
layout for the front end, which provokes imprecise aborts from the
register accesses in the 'gpu' debugfs file.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index e0e68dd7565d..a9530f59e6fe 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -515,6 +515,14 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) goto fail; } + /* Exclude VG cores with FE2.0 */ + if (gpu->identity.features & chipFeatures_PIPE_VG && + gpu->identity.features & chipFeatures_FE20) { + dev_info(gpu->dev, "Ignoring GPU with VG and FE2.0\n"); + ret = -ENXIO; + goto fail; + } + ret = etnaviv_hw_reset(gpu); if (ret) goto fail; |