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gpu: host1x: Add channel support

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Add support for host1x client modules, and host1x channels to submit
work to the clients.

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 16:34:03 +02:00
committed by Thierry Reding
parent 7ede0b0bf3
commit 6579324a41
25 changed files with 2913 additions and 1 deletions
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6
drivers/gpu/host1x/syncpt.h
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@@ -27,6 +27,9 @@
struct host1x;
/* Reserved for replacing an expired wait with a NOP */
#define HOST1X_SYNCPT_RESERVED 0
struct host1x_syncpt {
int id;
atomic_t min_val;
@@ -146,6 +149,9 @@ static inline int host1x_syncpt_is_valid(struct host1x_syncpt *sp)
return sp->id < host1x_syncpt_nb_pts(sp->host);
}
/* Patch a wait by replacing it with a wait for syncpt 0 value 0 */
int host1x_syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr);
/* Return id of the sync point */
u32 host1x_syncpt_id(struct host1x_syncpt *sp);