This adds native fence fd support to etnaviv, similarly to commit
0b98e84e9ba0 ("freedreno: native fence fd"), enabled for kernel
driver version 1.1 or later.Signed-off-by: Philipp Zabel <p.za...@pengutronix.de> --- This depends on libdrm patches [1][2] which may or may not make their way into libdrm 2.4.78. [1] https://patchwork.kernel.org/patch/9664401/ [2] https://patchwork.kernel.org/patch/9664403/ --- configure.ac | 2 +- src/gallium/drivers/etnaviv/etnaviv_context.c | 17 ++++++++-- src/gallium/drivers/etnaviv/etnaviv_context.h | 1 + src/gallium/drivers/etnaviv/etnaviv_fence.c | 46 +++++++++++++++++++++++++-- src/gallium/drivers/etnaviv/etnaviv_fence.h | 14 +++++++- src/gallium/drivers/etnaviv/etnaviv_screen.c | 10 +++++- src/gallium/drivers/etnaviv/etnaviv_screen.h | 3 ++ 7 files changed, 86 insertions(+), 7 deletions(-) diff --git a/configure.ac b/configure.ac index 1c60a59823..a5e1d69912 100644 --- a/configure.ac +++ b/configure.ac @@ -80,7 +80,7 @@ LIBDRM_NVVIEUX_REQUIRED=2.4.66 LIBDRM_NOUVEAU_REQUIRED=2.4.66 LIBDRM_FREEDRENO_REQUIRED=2.4.74 LIBDRM_VC4_REQUIRED=2.4.69 -LIBDRM_ETNAVIV_REQUIRED=2.4.74 +LIBDRM_ETNAVIV_REQUIRED=2.4.78 dnl Versions for external dependencies DRI2PROTO_REQUIRED=2.8 diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.c b/src/gallium/drivers/etnaviv/etnaviv_context.c index dfd9e1f73a..14170342ff 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_context.c +++ b/src/gallium/drivers/etnaviv/etnaviv_context.c @@ -73,6 +73,9 @@ etna_context_destroy(struct pipe_context *pctx) slab_destroy_child(&ctx->transfer_pool); + if (ctx->in_fence_fd != -1) + close(ctx->in_fence_fd); + FREE(pctx); } @@ -230,11 +233,17 @@ etna_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence, enum pipe_flush_flags flags) { struct etna_context *ctx = etna_context(pctx); + int out_fence_fd = -1; - etna_cmd_stream_flush(ctx->stream); + if (ctx->in_fence_fd != -1 || (flags & PIPE_FLUSH_FENCE_FD)) + etna_cmd_stream_flush_explicit(ctx->stream, ctx->in_fence_fd, + (flags & PIPE_FLUSH_FENCE_FD) ? + &out_fence_fd : NULL); + else + etna_cmd_stream_flush(ctx->stream); if (fence) - *fence = etna_fence_create(pctx); + *fence = etna_fence_create(pctx, out_fence_fd); } static void @@ -308,10 +317,14 @@ etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags) /* Set sensible defaults for state */ etna_cmd_stream_reset_notify(ctx->stream, ctx); + ctx->in_fence_fd = -1; + pctx->destroy = etna_context_destroy; pctx->draw_vbo = etna_draw_vbo; pctx->flush = etna_flush; pctx->set_debug_callback = etna_set_debug_callback; + pctx->create_fence_fd = etna_create_fence_fd; + pctx->fence_server_sync = etna_fence_server_sync; /* creation of compile states */ pctx->create_blend_state = etna_blend_state_create; diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.h b/src/gallium/drivers/etnaviv/etnaviv_context.h index a9214034af..700a39c4cb 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_context.h +++ b/src/gallium/drivers/etnaviv/etnaviv_context.h @@ -176,6 +176,7 @@ struct etna_context { } stats; struct pipe_debug_callback debug; + int in_fence_fd; }; static inline struct etna_context * diff --git a/src/gallium/drivers/etnaviv/etnaviv_fence.c b/src/gallium/drivers/etnaviv/etnaviv_fence.c index 02f520b8b3..ff46e32863 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_fence.c +++ b/src/gallium/drivers/etnaviv/etnaviv_fence.c @@ -25,6 +25,8 @@ * Rob Clark <robcl...@freedesktop.org> */ +#include <libsync.h> + #include "etnaviv_fence.h" #include "etnaviv_context.h" #include "etnaviv_screen.h" @@ -36,16 +38,25 @@ struct pipe_fence_handle { struct pipe_reference reference; struct etna_context *ctx; struct etna_screen *screen; + int fence_fd; uint32_t timestamp; }; static void +etna_fence_destroy(struct pipe_fence_handle *fence) +{ + if (fence->fence_fd != -1) + close(fence->fence_fd); + FREE(fence); +} + +static void etna_screen_fence_reference(struct pipe_screen *pscreen, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence) { if (pipe_reference(&(*ptr)->reference, &fence->reference)) - FREE(*ptr); + etna_fence_destroy(*ptr); *ptr = fence; } @@ -54,14 +65,43 @@ static boolean etna_screen_fence_finish(struct pipe_screen *pscreen, struct pipe_context *ctx, struct pipe_fence_handle *fence, uint64_t timeout) { + if (fence->fence_fd != -1) { + int ret = sync_wait(fence->fence_fd, timeout / 1000000); + return ret == 0; + } + if (etna_pipe_wait_ns(fence->screen->pipe, fence->timestamp, timeout)) return false; return true; } +void +etna_create_fence_fd(struct pipe_context *pctx, + struct pipe_fence_handle **pfence, int fd) +{ + *pfence = etna_fence_create(pctx, dup(fd)); +} + +void +etna_fence_server_sync(struct pipe_context *pctx, + struct pipe_fence_handle *pfence) +{ + struct etna_context *ctx = etna_context(pctx); + + /* FIXME: where should in_fence_fd be stored? */ + sync_accumulate("etnaviv", &ctx->in_fence_fd, pfence->fence_fd); +} + +static int +etna_screen_fence_get_fd(struct pipe_screen *pscreen, + struct pipe_fence_handle *pfence) +{ + return dup(pfence->fence_fd); +} + struct pipe_fence_handle * -etna_fence_create(struct pipe_context *pctx) +etna_fence_create(struct pipe_context *pctx, int fence_fd) { struct pipe_fence_handle *fence; struct etna_context *ctx = etna_context(pctx); @@ -75,6 +115,7 @@ etna_fence_create(struct pipe_context *pctx) fence->ctx = ctx; fence->screen = ctx->screen; fence->timestamp = etna_cmd_stream_timestamp(ctx->stream); + fence->fence_fd = fence_fd; return fence; } @@ -84,4 +125,5 @@ etna_fence_screen_init(struct pipe_screen *pscreen) { pscreen->fence_reference = etna_screen_fence_reference; pscreen->fence_finish = etna_screen_fence_finish; + pscreen->fence_get_fd = etna_screen_fence_get_fd; } diff --git a/src/gallium/drivers/etnaviv/etnaviv_fence.h b/src/gallium/drivers/etnaviv/etnaviv_fence.h index cd91d2e19e..cd68a428d3 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_fence.h +++ b/src/gallium/drivers/etnaviv/etnaviv_fence.h @@ -30,8 +30,20 @@ #include "pipe/p_context.h" +void +etna_create_fence_fd(struct pipe_context *pctx, + struct pipe_fence_handle **pfence, int fd); + +void +etna_fence_server_sync(struct pipe_context *pctx, + struct pipe_fence_handle *fence); + +int +etna_fence_get_fd(struct pipe_screen *pscreen, + struct pipe_fence_handle *pfence); + struct pipe_fence_handle * -etna_fence_create(struct pipe_context *pctx); +etna_fence_create(struct pipe_context *pctx, int fence_fd); void etna_fence_screen_init(struct pipe_screen *pscreen); diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c index 151a1e031e..6703969b0a 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_screen.c +++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c @@ -137,6 +137,9 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_TGSI_TEXCOORD: case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: return 1; + case PIPE_CAP_NATIVE_FENCE_FD: + return screen->drm_major > 1 || + (screen->drm_major == 1 && screen->drm_minor >= 1); /* Memory */ case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: @@ -237,7 +240,6 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_TGSI_ARRAY_COMPONENTS: case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS: case PIPE_CAP_TGSI_CAN_READ_OUTPUTS: - case PIPE_CAP_NATIVE_FENCE_FD: case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: case PIPE_CAP_TGSI_FS_FBFETCH: case PIPE_CAP_TGSI_MUL_ZERO_WINS: @@ -734,6 +736,7 @@ etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu, { struct etna_screen *screen = CALLOC_STRUCT(etna_screen); struct pipe_screen *pscreen; + drmVersionPtr version; uint64_t val; if (!screen) @@ -749,6 +752,11 @@ etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu, goto fail; } + version = drmGetVersion(screen->ro->gpu_fd); + screen->drm_major = version->version_major; + screen->drm_minor = version->version_minor; + drmFreeVersion(version); + etna_mesa_debug = debug_get_option_etna_mesa_debug(); /* FIXME: Disable tile status for stability at the moment */ diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.h b/src/gallium/drivers/etnaviv/etnaviv_screen.h index c33a9e32fa..015ff6bb31 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_screen.h +++ b/src/gallium/drivers/etnaviv/etnaviv_screen.h @@ -72,6 +72,9 @@ struct etna_screen { uint32_t features[5]; struct etna_specs specs; + + int drm_major; + int drm_minor; }; static inline struct etna_screen * -- 2.11.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
