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| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2013-03-22 16:34:04 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-04-22 12:32:46 +0200 |
| commit | 6236451d83a720072053855fa63d51934024a707 (patch) | |
| tree | 8596f5ceee4e8b38804a74895d698a389e5cf6bf /drivers/gpu/host1x/cdma.c | |
| parent | 6579324a41cc414009a601738b70a53d6376325c (diff) | |
| download | linux-6236451d83a720072053855fa63d51934024a707.tar.gz | |
gpu: host1x: Add debug support
Add support for host1x debugging. Adds debugfs entries, and dumps channel state to UART in case of stuck job. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/gpu/host1x/cdma.c')
| -rw-r--r-- | drivers/gpu/host1x/cdma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/cdma.c b/drivers/gpu/host1x/cdma.c index 33935de91bb1..de72172d3b5f 100644 --- a/drivers/gpu/host1x/cdma.c +++ b/drivers/gpu/host1x/cdma.c @@ -439,6 +439,10 @@ void host1x_cdma_push(struct host1x_cdma *cdma, u32 op1, u32 op2) struct push_buffer *pb = &cdma->push_buffer; u32 slots_free = cdma->slots_free; + if (host1x_debug_trace_cmdbuf) + trace_host1x_cdma_push(dev_name(cdma_to_channel(cdma)->dev), + op1, op2); + if (slots_free == 0) { host1x_hw_cdma_flush(host1x, cdma); slots_free = host1x_cdma_wait_locked(cdma, |