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gpu: host1x: Add debug support

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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>
This commit is contained in:
Terje Bergstrom
2013-03-22 16:34:04 +02:00
committed by Thierry Reding
parent 6579324a41
commit 6236451d83
15 changed files with 807 additions and 0 deletions
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3
drivers/gpu/host1x/dev.c
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@@ -30,6 +30,7 @@
#include "dev.h"
#include "intr.h"
#include "channel.h"
#include "debug.h"
#include "hw/host1x01.h"
void host1x_sync_writel(struct host1x *host1x, u32 v, u32 r)
@@ -147,6 +148,8 @@ static int host1x_probe(struct platform_device *pdev)
goto fail_deinit_syncpt;
}
host1x_debug_init(host);
return 0;
fail_deinit_syncpt: