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etnaviv: rework the stream flush to always go through the context flush

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This way we can ensure that the pipe driver tracking of pending resources
stays in sync with the actual command buffer state, even if a space
reservation triggers a forced flush.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Jonathan Marek <jonathan@marek.ca>
This commit is contained in:
Lucas Stach 2019-08-09 17:11:23 +02:00 • committed by Lucas Stach
parent 1864fcd8c7
commit 1194afdfe3
4 changed files with 61 additions and 68 deletions
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40
src/etnaviv/drm/etnaviv_cmd_stream.c
View file

@ -57,7 +57,7 @@ etna_cmd_stream_priv(struct etna_cmd_stream *stream)
struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe,
uint32_t size,
void (*reset_notify)(struct etna_cmd_stream *stream, void *priv),
void (*force_flush)(struct etna_cmd_stream *stream, void *priv),
void *priv)
{
struct etna_cmd_stream_priv *stream = NULL;
@ -84,8 +84,8 @@ struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe,
stream->base.size = size;
stream->pipe = pipe;
stream->reset_notify = reset_notify;
stream->reset_notify_priv = priv;
stream->force_flush = force_flush;
stream->force_flush_priv = priv;
return &stream->base;
@ -106,18 +106,12 @@ void etna_cmd_stream_del(struct etna_cmd_stream *stream)
free(priv);
}
static void reset_buffer(struct etna_cmd_stream *stream)
void etna_cmd_stream_force_flush(struct etna_cmd_stream *stream)
{
struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream);
stream->offset = 0;
priv->submit.nr_bos = 0;
priv->submit.nr_relocs = 0;
priv->submit.nr_pmrs = 0;
priv->nr_bos = 0;
if (priv->reset_notify)
priv->reset_notify(stream, priv->reset_notify_priv);
if (priv->force_flush)
priv->force_flush(stream, priv->force_flush_priv);
}
uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream)
@ -180,8 +174,8 @@ static uint32_t bo2idx(struct etna_cmd_stream *stream, struct etna_bo *bo,
return idx;
}
static void flush(struct etna_cmd_stream *stream, int in_fence_fd,
int *out_fence_fd)
void etna_cmd_stream_flush(struct etna_cmd_stream *stream, int in_fence_fd,
int *out_fence_fd)
{
struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream);
int ret, id = priv->pipe->id;
@ -230,20 +224,12 @@ static void flush(struct etna_cmd_stream *stream, int in_fence_fd,
if (out_fence_fd)
*out_fence_fd = req.fence_fd;
}
void etna_cmd_stream_flush(struct etna_cmd_stream *stream)
{
flush(stream, -1, NULL);
reset_buffer(stream);
}
void etna_cmd_stream_flush2(struct etna_cmd_stream *stream,
int in_fence_fd,
int *out_fence_fd)
{
flush(stream, in_fence_fd, out_fence_fd);
reset_buffer(stream);
stream->offset = 0;
priv->submit.nr_bos = 0;
priv->submit.nr_relocs = 0;
priv->submit.nr_pmrs = 0;
priv->nr_bos = 0;
}
void etna_cmd_stream_reloc(struct etna_cmd_stream *stream,

6
src/etnaviv/drm/etnaviv_drmif.h
View file

@ -143,9 +143,9 @@ struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe, uint32_t siz
void *priv);
void etna_cmd_stream_del(struct etna_cmd_stream *stream);
uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream);
void etna_cmd_stream_flush(struct etna_cmd_stream *stream);
void etna_cmd_stream_flush2(struct etna_cmd_stream *stream, int in_fence_fd,
void etna_cmd_stream_flush(struct etna_cmd_stream *stream, int in_fence_fd,
int *out_fence_fd);
void etna_cmd_stream_force_flush(struct etna_cmd_stream *stream);
static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream)
{
@ -157,7 +157,7 @@ static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream)
static inline void etna_cmd_stream_reserve(struct etna_cmd_stream *stream, size_t n)
{
if (etna_cmd_stream_avail(stream) < n)
etna_cmd_stream_flush(stream);
etna_cmd_stream_force_flush(stream);
}
static inline void etna_cmd_stream_emit(struct etna_cmd_stream *stream, uint32_t data)

4
src/etnaviv/drm/etnaviv_priv.h
View file

@ -150,8 +150,8 @@ struct etna_cmd_stream_priv {
uint32_t nr_bos, max_bos;
/* notify callback if buffer reset happened */
void (*reset_notify)(struct etna_cmd_stream *stream, void *priv);
void *reset_notify_priv;
void (*force_flush)(struct etna_cmd_stream *stream, void *priv);
void *force_flush_priv;
void *bo_table;
};

79
src/gallium/drivers/etnaviv/etnaviv_context.c
View file

@ -336,37 +336,9 @@ etna_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info)
pipe_resource_reference(&indexbuf, NULL);
}
static void
etna_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
enum pipe_flush_flags flags)
static void etna_reset_gpu_state(struct etna_context *ctx)
{
struct etna_context *ctx = etna_context(pctx);
struct etna_screen *screen = ctx->screen;
int out_fence_fd = -1;
mtx_lock(&screen->lock);
list_for_each_entry(struct etna_hw_query, hq, &ctx->active_hw_queries, node)
etna_hw_query_suspend(hq, ctx);
etna_cmd_stream_flush2(ctx->stream, ctx->in_fence_fd,
(flags & PIPE_FLUSH_FENCE_FD) ? &out_fence_fd :
NULL);
list_for_each_entry(struct etna_hw_query, hq, &ctx->active_hw_queries, node)
etna_hw_query_resume(hq, ctx);
if (fence)
*fence = etna_fence_create(pctx, out_fence_fd);
mtx_unlock(&screen->lock);
}
static void
etna_cmd_stream_reset_notify(struct etna_cmd_stream *stream, void *priv)
{
struct etna_context *ctx = priv;
struct etna_screen *screen = ctx->screen;
struct etna_cmd_stream *stream = ctx->stream;
etna_set_state(stream, VIVS_GL_API_MODE, VIVS_GL_API_MODE_OPENGL);
etna_set_state(stream, VIVS_GL_VERTEX_ELEMENT_CONFIG, 0x00000001);
@ -417,12 +389,34 @@ etna_cmd_stream_reset_notify(struct etna_cmd_stream *stream, void *priv)
ctx->dirty = ~0L;
ctx->dirty_sampler_views = ~0L;
}
static void
etna_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
enum pipe_flush_flags flags)
{
struct etna_context *ctx = etna_context(pctx);
struct etna_screen *screen = ctx->screen;
int out_fence_fd = -1;
mtx_lock(&screen->lock);
list_for_each_entry(struct etna_hw_query, hq, &ctx->active_hw_queries, node)
etna_hw_query_suspend(hq, ctx);
etna_cmd_stream_flush(ctx->stream, ctx->in_fence_fd,
(flags & PIPE_FLUSH_FENCE_FD) ? &out_fence_fd : NULL);
list_for_each_entry(struct etna_hw_query, hq, &ctx->active_hw_queries, node)
etna_hw_query_resume(hq, ctx);
if (fence)
*fence = etna_fence_create(pctx, out_fence_fd);
/*
* Go through all _resources_ pending in this _context_ and mark them as
* not pending in this _context_ anymore, since they were just flushed.
*/
mtx_lock(&screen->lock);
* Go through all _resources_ pending in this _context_ and mark them as
* not pending in this _context_ anymore, since they were just flushed.
*/
set_foreach(ctx->used_resources, entry) {
struct etna_resource *rsc = (struct etna_resource *)entry->key;
struct pipe_resource *referenced = &rsc->base;
@ -434,7 +428,19 @@ etna_cmd_stream_reset_notify(struct etna_cmd_stream *stream, void *priv)
pipe_resource_reference(&referenced, NULL);
}
_mesa_set_clear(ctx->used_resources, NULL);
mtx_unlock(&screen->lock);
etna_reset_gpu_state(ctx);
}
static void
etna_context_force_flush(struct etna_cmd_stream *stream, void *priv)
{
struct pipe_context *pctx = priv;
pctx->flush(pctx, NULL, 0);
}
static void
@ -468,7 +474,8 @@ etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
pctx->const_uploader = pctx->stream_uploader;
screen = etna_screen(pscreen);
ctx->stream = etna_cmd_stream_new(screen->pipe, 0x2000, &etna_cmd_stream_reset_notify, ctx);
ctx->stream = etna_cmd_stream_new(screen->pipe, 0x2000,
&etna_context_force_flush, pctx);
if (ctx->stream == NULL)
goto fail;
@ -484,7 +491,7 @@ etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
ctx->sample_mask = 0xffff;
/* Set sensible defaults for state */
etna_cmd_stream_reset_notify(ctx->stream, ctx);
etna_reset_gpu_state(ctx);
ctx->in_fence_fd = -1;