diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_buffer.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_buffer.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c index cb86c7e5495c..d9230132dfbc 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c @@ -329,20 +329,34 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, unsigned int event, /* * Append a LINK to the submitted command buffer to return to * the ring buffer. return_target is the ring target address. - * We need three dwords: event, wait, link. + * We need at most 7 dwords in the return target: 2 cache flush + + * 2 semaphore stall + 1 event + 1 wait + 1 link. */ - return_dwords = 3; + return_dwords = 7; return_target = etnaviv_buffer_reserve(gpu, buffer, return_dwords); CMD_LINK(cmdbuf, return_dwords, return_target); /* - * Append event, wait and link pointing back to the wait - * command to the ring buffer. + * Append a cache flush, stall, event, wait and link pointing back to + * the wait command to the ring buffer. */ + if (gpu->exec_state == ETNA_PIPE_2D) { + CMD_LOAD_STATE(buffer, VIVS_GL_FLUSH_CACHE, + VIVS_GL_FLUSH_CACHE_PE2D); + } else { + CMD_LOAD_STATE(buffer, VIVS_GL_FLUSH_CACHE, + VIVS_GL_FLUSH_CACHE_DEPTH | + VIVS_GL_FLUSH_CACHE_COLOR); + CMD_LOAD_STATE(buffer, VIVS_TS_FLUSH_CACHE, + VIVS_TS_FLUSH_CACHE_FLUSH); + } + CMD_SEM(buffer, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_PE); + CMD_STALL(buffer, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_PE); CMD_LOAD_STATE(buffer, VIVS_GL_EVENT, VIVS_GL_EVENT_EVENT_ID(event) | VIVS_GL_EVENT_FROM_PE); CMD_WAIT(buffer); - CMD_LINK(buffer, 2, return_target + 8); + CMD_LINK(buffer, 2, etnaviv_iommu_get_cmdbuf_va(gpu, buffer) + + buffer->user_size - 4); if (drm_debug & DRM_UT_DRIVER) pr_info("stream link to 0x%08x @ 0x%08x %p\n", |