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drm: etnaviv: track current execution state

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Add tracking of the current execution state (iow, active GPU pipe).

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Russell King 2016-01-21 15:20:19 +00:00 committed by Lucas Stach
parent 18060f4d87
commit f60863116b
3 changed files with 5 additions and 0 deletions
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1
drivers/gpu/drm/etnaviv/etnaviv_buffer.c
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@ -261,6 +261,7 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, unsigned int event,
if (gpu->switch_context) {
etnaviv_cmd_select_pipe(buffer, cmdbuf->exec_state);
gpu->exec_state = cmdbuf->exec_state;
gpu->switch_context = false;
}

3
drivers/gpu/drm/etnaviv/etnaviv_gpu.c
View File

@ -628,6 +628,7 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
/* Now program the hardware */
mutex_lock(&gpu->lock);
etnaviv_gpu_hw_init(gpu);
gpu->exec_state = -1;
mutex_unlock(&gpu->lock);
pm_runtime_mark_last_busy(gpu->dev);
@ -877,6 +878,7 @@ static void recover_worker(struct work_struct *work)
etnaviv_gpu_hw_init(gpu);
gpu->switch_context = true;
gpu->exec_state = -1;
mutex_unlock(&gpu->lock);
pm_runtime_mark_last_busy(gpu->dev);
@ -1475,6 +1477,7 @@ static int etnaviv_gpu_hw_resume(struct etnaviv_gpu *gpu)
etnaviv_gpu_hw_init(gpu);
gpu->switch_context = true;
gpu->exec_state = -1;
mutex_unlock(&gpu->lock);

1
drivers/gpu/drm/etnaviv/etnaviv_gpu.h
View File

@ -103,6 +103,7 @@ struct etnaviv_gpu {
/* 'ring'-buffer: */
struct etnaviv_cmdbuf *buffer;
int exec_state;
/* bus base address of memory */
u32 memory_base;