freedreno: add gmemtool

A simple standalone thing to run through a bunch of GMEM layouts for a
given gpu.

Signed-off-by: Rob Clark <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4976>

2 files changed, 163 insertions, 0 deletions

diff --git a/src/gallium/drivers/freedreno/gmemtool.c b/src/gallium/drivers/freedreno/gmemtool.c
new file mode 100644
index 00000000000..9b68b28a919
--- /dev/null
+++ b/src/gallium/drivers/freedreno/gmemtool.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright © 2020 Google, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "freedreno_gmem.c"
+
+/* NOTE, non-interesting gmem keys (ie. things that are small enough to fit
+ * in a single bin) are commented out, but retained for posterity.
+ */
+static const struct gmem_key keys[] = {
+	/* manhattan: */
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+//	{ .minx=0, .miny=0, .width=64, .height=64, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=32, .height=32, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=16, .height=16, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=8, .height=8, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=4, .height=4, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=2, .height=2, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=1, .height=1, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=4, .cbuf_cpp = {4,4,4,4,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+//	{ .minx=0, .miny=0, .width=64, .height=64, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {2,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1024, .height=1024, .gmem_page_align=1, .nr_cbufs=0, .cbuf_cpp = {0,0,0,0,0,0,0,0,}, .zsbuf_cpp = {2,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=0, .cbuf_cpp = {0,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+	{ .minx=0, .miny=0, .width=960, .height=540, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=480, .height=270, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=240, .height=135, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+//	{ .minx=0, .miny=0, .width=120, .height=67, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+
+	/* trex: */
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {2,0,}},
+	{ .minx=0, .miny=0, .width=960, .height=540, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {2,0,0,0,0,0,0,0,}, .zsbuf_cpp = {2,0,}},
+	{ .minx=0, .miny=0, .width=1024, .height=1024, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {2,0,}},
+//	{ .minx=0, .miny=0, .width=64, .height=64, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {2,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+
+	/* supertuxkart: */
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {2,0,}},
+	{ .minx=0, .miny=0, .width=810, .height=810, .gmem_page_align=1, .nr_cbufs=2, .cbuf_cpp = {4,4,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+//	{ .minx=0, .miny=0, .width=405, .height=405, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {2,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=405, .height=405, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {8,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=810, .height=810, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {8,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+	{ .minx=0, .miny=0, .width=810, .height=810, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+	{ .minx=0, .miny=0, .width=810, .height=810, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=960, .height=540, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {2,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {8,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=960, .height=540, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {8,0,0,0,0,0,0,0,}, .zsbuf_cpp = {0,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=2, .cbuf_cpp = {4,4,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {8,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+	{ .minx=0, .miny=0, .width=1920, .height=1080, .gmem_page_align=1, .nr_cbufs=1, .cbuf_cpp = {4,0,0,0,0,0,0,0,}, .zsbuf_cpp = {4,0,}},
+};
+
+struct gpu_info {
+	const char *name;
+	uint32_t gpu_id;
+	uint32_t gmem_alignw;
+	uint32_t gmem_alignh;
+	uint32_t num_vsc_pipes;
+	uint32_t gmemsize_bytes;
+};
+
+#define SZ_128K  0x00020000
+#define SZ_256K  0x00040000
+#define SZ_512K  0x00080000
+#define SZ_1M    0x00100000
+
+/* keep sorted by gpu name: */
+static const struct gpu_info gpu_infos[] = {
+	{ "a306", 307, 32, 32,  8, SZ_128K },
+	{ "a530", 530, 64, 32, 16, SZ_1M   },
+	{ "a618", 618, 32, 32, 32, SZ_512K },
+	{ "a630", 630, 32, 32, 32, SZ_1M   },
+};
+
+int
+main(int argc, char **argv)
+{
+	if (argc < 2) {
+		printf("usage: gmemtest GPU_NAME\n");
+		return -1;
+	}
+
+	const char *gpu_name = argv[1];
+	const struct gpu_info *gpu_info = NULL;
+
+	for (int i = 0; i < ARRAY_SIZE(gpu_infos); i++) {
+		if (strcmp(gpu_name, gpu_infos[i].name) == 0) {
+			gpu_info = &gpu_infos[i];
+			break;
+		}
+	}
+
+	if (!gpu_info) {
+		printf("unrecognized gpu name: %s\n", gpu_name);
+		printf("supported gpus:\n");
+		for (int i = 0; i < ARRAY_SIZE(gpu_infos); i++)
+			printf("\t%s\n", gpu_infos[i].name);
+		return -1;
+	}
+
+	/* Setup a fake screen with enough GMEM related configuration
+	 * to make gmem_stateobj_init() happy:
+	 */
+	struct fd_screen screen = {
+		.gpu_id         = gpu_info->gpu_id,
+		.gmem_alignw    = gpu_info->gmem_alignw,
+		.gmem_alignh    = gpu_info->gmem_alignh,
+		.num_vsc_pipes  = gpu_info->num_vsc_pipes,
+		.gmemsize_bytes = gpu_info->gmemsize_bytes,
+	};
+
+	/* And finally run thru all the GMEM keys: */
+	for (int i = 0; i < ARRAY_SIZE(keys); i++) {
+		struct fd_gmem_stateobj *gmem =
+				gmem_stateobj_init(&screen, (void *)&keys[i]);
+		dump_gmem_state(gmem);
+		ralloc_free(gmem);
+	}
+
+	return 0;
+}
diff --git a/src/gallium/drivers/freedreno/meson.build b/src/gallium/drivers/freedreno/meson.build
index 77fe9817dd3..0e1d7a877e2 100644
--- a/src/gallium/drivers/freedreno/meson.build
+++ b/src/gallium/drivers/freedreno/meson.build
@@ -275,3 +275,24 @@ ir3_compiler = executable(
   build_by_default : with_tools.contains('freedreno'),
   install : with_tools.contains('freedreno'),
 )
+
+gmemtool = executable(
+  'gmemtool',
+  'gmemtool.c',
+  include_directories : freedreno_includes,
+  dependencies : [
+    idep_nir,
+    idep_mesautil,
+  ],
+  link_with : [
+    libfreedreno,
+    libfreedreno_drm,
+    libfreedreno_ir3,
+    libfreedreno_layout,
+    libgallium,
+    libglsl_standalone,
+    libfreedreno_perfcntrs,
+  ],
+  build_by_default : with_tools.contains('freedreno'),
+  install : false,
+)