From: Marek Olšák <[email protected]>
v2: don't use DIV_ROUND_UP (no so useful)
also return eviction stats
---
src/gallium/drivers/r600/r600_pipe.c | 2 +-
src/gallium/drivers/radeon/r600_pipe_common.c | 37 +++++++++++++++++++++++++++
src/gallium/drivers/radeonsi/si_pipe.c | 2 +-
3 files changed, 39 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_pipe.c
b/src/gallium/drivers/r600/r600_pipe.c
index cee87ed..0cf43b8 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -286,6 +286,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
case PIPE_CAP_INVALIDATE_BUFFER:
case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
+ case PIPE_CAP_QUERY_MEMORY_INFO:
return 1;
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
@@ -368,7 +369,6 @@ static int r600_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_GENERATE_MIPMAP:
case PIPE_CAP_STRING_MARKER:
- case PIPE_CAP_QUERY_MEMORY_INFO:
return 0;
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c
b/src/gallium/drivers/radeon/r600_pipe_common.c
index 0620a9a..35bd2a3 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -799,6 +799,42 @@ static boolean r600_fence_finish(struct pipe_screen
*screen,
return rws->fence_wait(rws, rfence->gfx, timeout);
}
+static void r600_query_memory_info(struct pipe_screen *screen,
+ struct pipe_memory_info *info)
+{
+ struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
+ struct radeon_winsys *ws = rscreen->ws;
+ unsigned vram_usage, gtt_usage;
+
+ info->total_device_memory = rscreen->info.vram_size / 1024;
+ info->total_staging_memory = rscreen->info.gart_size / 1024;
+
+ /* The real TTM memory usage is somewhat random, because:
+ *
+ * 1) TTM delays freeing memory, because it can only free it after
+ * fences expire.
+ *
+ * 2) The memory usage can be really low if big VRAM evictions are
+ * taking place, but the real usage is well above the size of VRAM.
+ *
+ * Instead, return statistics of this process.
+ */
+ vram_usage = ws->query_value(ws, RADEON_REQUESTED_VRAM_MEMORY) / 1024;
+ gtt_usage = ws->query_value(ws, RADEON_REQUESTED_GTT_MEMORY) / 1024;
+
+ info->avail_device_memory =
+ vram_usage <= info->total_device_memory ?
+ info->total_device_memory - vram_usage : 0;
+ info->avail_staging_memory =
+ gtt_usage <= info->total_staging_memory ?
+ info->total_staging_memory - gtt_usage : 0;
+
+ info->device_memory_evicted =
+ ws->query_value(ws, RADEON_NUM_BYTES_MOVED) / 1024;
+ /* Just return the number of evicted 64KB pages. */
+ info->nr_device_memory_evictions = info->device_memory_evicted / 64;
+}
+
struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
const struct pipe_resource
*templ)
{
@@ -838,6 +874,7 @@ bool r600_common_screen_init(struct r600_common_screen
*rscreen,
rscreen->b.fence_reference = r600_fence_reference;
rscreen->b.resource_destroy = u_resource_destroy_vtbl;
rscreen->b.resource_from_user_memory = r600_buffer_from_user_memory;
+ rscreen->b.query_memory_info = r600_query_memory_info;
if (rscreen->info.has_uvd) {
rscreen->b.get_video_param = rvid_get_video_param;
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
index eb53733..66e5037 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -309,6 +309,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
case PIPE_CAP_INVALIDATE_BUFFER:
case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
+ case PIPE_CAP_QUERY_MEMORY_INFO:
return 1;
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
@@ -360,7 +361,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_GENERATE_MIPMAP:
case PIPE_CAP_STRING_MARKER:
- case PIPE_CAP_QUERY_MEMORY_INFO:
return 0;
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
--
2.1.4
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