From db82a0435b8be32d544bbed91c43c2f21b5f4ea7 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Fri, 5 Jul 2019 19:17:21 +0200 Subject: drm/etnaviv: split out cmdbuf mapping into address space MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This allows to decouple the cmdbuf suballocator create and mapping the region into the GPU address space. Allowing multiple AS to share a single cmdbuf suballoc. Signed-off-by: Lucas Stach Reviewed-by: Philipp Zabel Reviewed-by: Guido Günther --- drivers/gpu/drm/etnaviv/etnaviv_buffer.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) (limited to 'drivers/gpu/drm/etnaviv/etnaviv_buffer.c') diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c index fe0d2d67007d..6400a88cd778 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c @@ -118,7 +118,8 @@ static void etnaviv_buffer_dump(struct etnaviv_gpu *gpu, u32 *ptr = buf->vaddr + off; dev_info(gpu->dev, "virt %p phys 0x%08x free 0x%08x\n", - ptr, etnaviv_cmdbuf_get_va(buf) + off, size - len * 4 - off); + ptr, etnaviv_cmdbuf_get_va(buf, &gpu->cmdbuf_mapping) + + off, size - len * 4 - off); print_hex_dump(KERN_INFO, "cmd ", DUMP_PREFIX_OFFSET, 16, 4, ptr, len * 4, 0); @@ -151,7 +152,8 @@ static u32 etnaviv_buffer_reserve(struct etnaviv_gpu *gpu, if (buffer->user_size + cmd_dwords * sizeof(u64) > buffer->size) buffer->user_size = 0; - return etnaviv_cmdbuf_get_va(buffer) + buffer->user_size; + return etnaviv_cmdbuf_get_va(buffer, &gpu->cmdbuf_mapping) + + buffer->user_size; } u16 etnaviv_buffer_init(struct etnaviv_gpu *gpu) @@ -164,8 +166,8 @@ u16 etnaviv_buffer_init(struct etnaviv_gpu *gpu) buffer->user_size = 0; CMD_WAIT(buffer); - CMD_LINK(buffer, 2, etnaviv_cmdbuf_get_va(buffer) + - buffer->user_size - 4); + CMD_LINK(buffer, 2, etnaviv_cmdbuf_get_va(buffer, &gpu->cmdbuf_mapping) + + buffer->user_size - 4); return buffer->user_size / 8; } @@ -291,8 +293,8 @@ void etnaviv_sync_point_queue(struct etnaviv_gpu *gpu, unsigned int event) /* Append waitlink */ CMD_WAIT(buffer); - CMD_LINK(buffer, 2, etnaviv_cmdbuf_get_va(buffer) + - buffer->user_size - 4); + CMD_LINK(buffer, 2, etnaviv_cmdbuf_get_va(buffer, &gpu->cmdbuf_mapping) + + buffer->user_size - 4); /* * Kick off the 'sync point' command by replacing the previous @@ -319,7 +321,7 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 exec_state, if (drm_debug & DRM_UT_DRIVER) etnaviv_buffer_dump(gpu, buffer, 0, 0x50); - link_target = etnaviv_cmdbuf_get_va(cmdbuf); + link_target = etnaviv_cmdbuf_get_va(cmdbuf, &gpu->cmdbuf_mapping); link_dwords = cmdbuf->size / 8; /* @@ -412,12 +414,13 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 exec_state, 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, etnaviv_cmdbuf_get_va(buffer) + - buffer->user_size - 4); + CMD_LINK(buffer, 2, etnaviv_cmdbuf_get_va(buffer, &gpu->cmdbuf_mapping) + + buffer->user_size - 4); if (drm_debug & DRM_UT_DRIVER) pr_info("stream link to 0x%08x @ 0x%08x %p\n", - return_target, etnaviv_cmdbuf_get_va(cmdbuf), + return_target, + etnaviv_cmdbuf_get_va(cmdbuf, &gpu->cmdbuf_mapping), cmdbuf->vaddr); if (drm_debug & DRM_UT_DRIVER) { -- cgit v1.2.3