[igt-dev] [PATCH i-g-t v2 3/3] tests/amdgpu: add 8bpc bypass mode test.
Dingchen Zhang
dingchen.zhang at amd.com
Tue Jun 25 19:42:18 UTC 2019
To validate the AMDGPU bypass mode feature.
Generate DP test patterns, program the pipe and check if
the CRCs of framebuffer and DP receiver match.
v2: use the DPRX pipe crc source directly (Nicholas)
Cc: Harry Wentland <Harry.Wentland at amd.com>
Cc: Nick Kazlauskas <Nicholas.Kazlauskas at amd.com>
Signed-off-by: Dingchen Zhang <dingchen.zhang at amd.com>
---
tests/amdgpu/amd_bypass.c | 383 ++++++++++++++++++++++++++++++++++++++
tests/amdgpu/meson.build | 1 +
2 files changed, 384 insertions(+)
create mode 100644 tests/amdgpu/amd_bypass.c
diff --git a/tests/amdgpu/amd_bypass.c b/tests/amdgpu/amd_bypass.c
new file mode 100644
index 00000000..0ad65bc5
--- /dev/null
+++ b/tests/amdgpu/amd_bypass.c
@@ -0,0 +1,383 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "drm.h"
+#include "drmtest.h"
+#include "igt.h"
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include "signal.h"
+
+/*
+ * internal use
+ * Common test data
+ * */
+typedef struct {
+ int drm_fd;
+ int width;
+ int height;
+ enum pipe pipe_id;
+ igt_display_t display;
+ igt_plane_t *primary;
+ igt_output_t *output;
+ igt_pipe_t *pipe;
+ igt_pipe_crc_t *pipe_crc;
+ igt_crc_t crc_fb;
+ igt_crc_t crc_dprx;
+ drmModeModeInfo *mode;
+} data_t;
+
+enum pattern {
+ TEST_PATTERN_DP_COLOR_RAMP,
+ TEST_PATTERN_DP_BLACK_WHITE_VERT_LINES,
+ TEST_PATTERN_DP_BLACK_WHITE_HORZ_LINES,
+ TEST_PATTERN_DP_COLOR_SQUARES_VESA,
+ /* please don't add pattern after the below line */
+ TEST_PATTERN_MAX,
+};
+
+const char *ptnstr[TEST_PATTERN_MAX] = {
+ "DP Color Ramp",
+ "DP Vertical Lines",
+ "DP Horizontal Lines",
+ "DP Color Squares VESA"
+};
+
+/* Common test setup. */
+static void test_init(data_t *data)
+{
+ igt_display_t *display = &data->display;
+
+ /* It doesn't matter which pipe we choose on amdpgu. */
+ data->pipe_id = PIPE_A;
+ data->pipe = &data->display.pipes[data->pipe_id];
+
+ igt_display_reset(display);
+
+ data->output = igt_get_single_output_for_pipe(display, data->pipe_id);
+ igt_assert(data->output);
+
+ data->mode = igt_output_get_mode(data->output);
+ igt_assert(data->mode);
+
+ data->primary =
+ igt_pipe_get_plane_type(data->pipe, DRM_PLANE_TYPE_PRIMARY);
+
+ data->pipe_crc = igt_pipe_crc_new(data->drm_fd, data->pipe_id,
+ AMDGPU_PIPE_CRC_SOURCE_DPRX);
+
+ igt_output_set_pipe(data->output, data->pipe_id);
+
+ data->width = data->mode->hdisplay;
+ data->height = data->mode->vdisplay;
+}
+
+/* Common test cleanup. */
+static void test_fini(data_t *data)
+{
+ igt_pipe_crc_free(data->pipe_crc);
+ igt_display_reset(&data->display);
+}
+
+/*
+ * draw the DP color ramp test pattern
+ * Reference: DP Link CTS 1.2 Core r1.1, sec. 3.1.5.1
+ */
+static void draw_dp_test_pattern_color_ramp(igt_fb_t *fb)
+{
+ const int h = 64; /* test pattern rectangle height */
+ const int block_h = h * 4; /* block height of R-G-B-White rectangles */
+ void *ptr_fb;
+ uint8_t *data;
+ int x,y;
+ int i;
+ uint8_t val;
+
+ /*
+ * 64-by-256 pixels per rectangle
+ * R-G-B-White rectangle in order in vertical
+ * duplicate in horizontal
+ */
+ ptr_fb = igt_fb_map_buffer(fb->fd, fb);
+ igt_assert(ptr_fb);
+ data = ptr_fb + fb->offsets[0];
+
+ switch (fb->drm_format) {
+ case DRM_FORMAT_XRGB8888:
+ for (y = 0; y < fb->height; ++y) {
+ for (x = 0, val = 0; x < fb->width; ++x, ++val) {
+ i = x * 4 + y * fb->strides[0];
+
+ /* vertical R-G-B-White rect */
+ if ((y % block_h) < h) { /* Red */
+ data[i + 2] = val;
+ data[i + 1] = 0;
+ data[i + 0] = 0;
+ } else if ((y % block_h) < 2 * h) { /* Green */
+ data[i + 2] = 0;
+ data[i + 1] = val;
+ data[i + 0] = 0;
+ } else if ((y % block_h) < 3 * h) { /* Blue */
+ data[i + 2] = 0;
+ data[i + 1] = 0;
+ data[i + 0] = val;
+ } else { /* White */
+ data[i + 2] = val;
+ data[i + 1] = val;
+ data[i + 0] = val;
+ }
+ }
+ }
+ break;
+ default:
+ igt_assert_f(0, "DRM Format Invalid");
+ break;
+ }
+
+ igt_fb_unmap_buffer(fb, ptr_fb);
+}
+
+/*
+ * draw the DP vertical lines test pattern
+ * Reference: DP Link CTS 1.2 Core r1.1, sec. 3.1.5.2
+ */
+static void draw_dp_test_pattern_vert_lines(igt_fb_t *fb)
+{
+ void *ptr_fb;
+ uint8_t *data;
+ int x, y;
+ int i;
+
+ /* alternating black and white lines, 1 pixel wide */
+ ptr_fb = igt_fb_map_buffer(fb->fd, fb);
+ igt_assert(ptr_fb);
+ data = ptr_fb + fb->offsets[0];
+
+ switch (fb->drm_format) {
+ case DRM_FORMAT_XRGB8888:
+ for (y = 0; y < fb->height; ++y) {
+ for (x = 0; x < fb->width; ++x) {
+ i = x * 4 + y * fb->strides[0];
+
+ if ((x & 1) == 0) {
+ data[i + 2] = 0xff; /* R */
+ data[i + 1] = 0xff; /* G */
+ data[i + 0] = 0xff; /* B */
+ } else {
+ data[i + 2] = 0;
+ data[i + 1] = 0;
+ data[i + 0] = 0;
+ }
+ }
+ }
+ break;
+ default:
+ igt_assert_f(0, "DRM Format Invalid");
+ break;
+ }
+
+ igt_fb_unmap_buffer(fb, ptr_fb);
+}
+
+/* draw the DP horizontal lines test pattern */
+static void draw_dp_test_pattern_horz_lines(igt_fb_t *fb)
+{
+ void *ptr_fb;
+ uint8_t *data;
+ int x, y;
+ int i;
+
+ /* alternating black and white horizontal lines, 1 pixel high */
+ ptr_fb = igt_fb_map_buffer(fb->fd, fb);
+ igt_assert(ptr_fb);
+ data = ptr_fb + fb->offsets[0];
+
+ switch (fb->drm_format) {
+ case DRM_FORMAT_XRGB8888:
+ for (y = 0; y < fb->height; ++y) {
+ for (x = 0; x < fb->width; ++x) {
+
+ i = x * 4 + y * fb->strides[0];
+
+ if ((y & 1) == 0) {
+ data[i + 2] = 0xff; /* R */
+ data[i + 1] = 0xff; /* G */
+ data[i + 0] = 0xff; /* B */
+ } else {
+ data[i + 2] = 0;
+ data[i + 1] = 0;
+ data[i + 0] = 0;
+ }
+ }
+ }
+ break;
+ default:
+ igt_assert_f(0, "DRM Format Invalid");
+ break;
+ }
+
+ igt_fb_unmap_buffer(fb, ptr_fb);
+}
+
+/*
+ * draw the DP color squares VESA test pattern
+ * Reference: DP Link CTS 1.2 Core r1.1, sec. 3.1.5.3
+ */
+static void draw_dp_test_pattern_color_squares_vesa(igt_fb_t *fb)
+{
+ const int h = 64; /* test pattern square height/width */
+ const int block_h = h * 2; /* block height of the repetition pattern */
+ const int block_w = h * 8; /* block width of the repetition pattern */
+ const uint8_t rgb[3][2][8] = {
+ {/* Red table of the pattern squares */
+ {255, 255, 0, 0, 255, 255, 0, 0},
+ {0, 255, 255, 0, 0, 255, 255, 0},
+ },
+ {/* Green table */
+ {255, 255, 255, 255, 0, 0, 0, 0},
+ {0, 0, 0, 255, 255, 255, 255, 0},
+ },
+ {/* Blue table */
+ {255, 0, 255, 0, 255, 0, 255, 0},
+ {255, 0, 255, 0, 255, 0, 255, 0},
+ },
+ };
+
+ void *ptr_fb;
+ uint8_t *data;
+ int x, y;
+ int i, j, k;
+
+ ptr_fb = igt_fb_map_buffer(fb->fd, fb);
+ igt_assert(ptr_fb);
+ data = ptr_fb + fb->offsets[0];
+
+ switch (fb->drm_format) {
+ case DRM_FORMAT_XRGB8888:
+ for (y = 0; y < fb->height; ++y) {
+ for (x = 0; x < fb->width; ++x) {
+
+ i = x * 4 + y * fb->strides[0];
+ j = (y % block_h) / h;
+ k = (x % block_w) / h;
+
+ data[i + 2] = rgb[0][j][k]; /* R */
+ data[i + 1] = rgb[1][j][k]; /* G */
+ data[i + 0] = rgb[2][j][k]; /* B */
+ }
+ }
+ break;
+
+ default:
+ igt_assert_f(0, "DRM Format Invalid");
+ break;
+ }
+
+
+ igt_fb_unmap_buffer(fb, ptr_fb);
+}
+
+/* generate test pattern and fills a FB */
+static void generate_test_pattern(igt_fb_t *fb, data_t *data, enum pattern ptn)
+{
+ igt_assert(fb->fd && (ptn < TEST_PATTERN_MAX));
+
+ if (ptn == TEST_PATTERN_DP_COLOR_RAMP) {
+ draw_dp_test_pattern_color_ramp(fb);
+ } else if (ptn == TEST_PATTERN_DP_BLACK_WHITE_VERT_LINES) {
+ draw_dp_test_pattern_vert_lines(fb);
+ } else if (ptn == TEST_PATTERN_DP_BLACK_WHITE_HORZ_LINES) {
+ draw_dp_test_pattern_horz_lines(fb);
+ } else if (ptn == TEST_PATTERN_DP_COLOR_SQUARES_VESA) {
+ draw_dp_test_pattern_color_squares_vesa(fb);
+ }
+}
+
+static void bypass_8bpc_test(data_t *data)
+{
+ igt_display_t *display = &data->display;
+ igt_fb_t fb;
+ enum pattern ptn;
+
+ test_init(data);
+
+ igt_create_fb(data->drm_fd, data->width, data->height,
+ DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE, &fb);
+
+ /*
+ * Settings:
+ * no degamma
+ * no regamma
+ * no CTM
+ */
+ igt_pipe_obj_replace_prop_blob(data->pipe, IGT_CRTC_DEGAMMA_LUT, NULL, 0);
+ igt_pipe_obj_replace_prop_blob(data->pipe, IGT_CRTC_GAMMA_LUT, NULL, 0);
+ igt_pipe_obj_replace_prop_blob(data->pipe, IGT_CRTC_CTM, NULL, 0);
+
+ igt_plane_set_fb(data->primary, &fb);
+ igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
+
+ /* traverse all the test pattern to validate 8bpc bypass mode */
+ for (ptn = TEST_PATTERN_DP_COLOR_RAMP; ptn < TEST_PATTERN_MAX; ++ptn) {
+ igt_info("Test Pattern: %s\n", ptnstr[ptn]);
+
+ generate_test_pattern(&fb, data, ptn);
+
+ /* Grab FB and DPRX CRCs and compare */
+ igt_fb_calc_crc(&fb, &data->crc_fb);
+ igt_pipe_crc_collect_crc(data->pipe_crc, &data->crc_dprx);
+
+ igt_assert_crc_equal(&data->crc_fb, &data->crc_dprx);
+ }
+
+ igt_plane_set_fb(data->primary, NULL);
+ test_fini(data);
+ igt_remove_fb(data->drm_fd, &fb);
+}
+
+igt_main
+{
+ data_t data;
+ memset(&data, 0, sizeof(data));
+
+ igt_skip_on_simulation();
+
+ igt_fixture {
+ data.drm_fd = drm_open_driver_master(DRIVER_AMDGPU);
+ if (data.drm_fd == -1)
+ igt_skip("Not an amdgpu driver.\n");
+ igt_require_pipe_crc(data.drm_fd);
+
+ kmstest_set_vt_graphics_mode();
+
+ igt_display_require(&data.display, data.drm_fd);
+ igt_require(data.display.is_atomic);
+ igt_display_require_output(&data.display);
+ }
+
+ igt_subtest("8bpc-bypass-mode")
+ bypass_8bpc_test(&data);
+
+ igt_fixture {
+ igt_display_fini(&data.display);
+ }
+}
diff --git a/tests/amdgpu/meson.build b/tests/amdgpu/meson.build
index 42086374..b7982291 100644
--- a/tests/amdgpu/meson.build
+++ b/tests/amdgpu/meson.build
@@ -4,6 +4,7 @@ amdgpu_deps = test_deps
if libdrm_amdgpu.found()
amdgpu_progs += [ 'amd_abm',
'amd_basic',
+ 'amd_bypass',
'amd_color',
'amd_cs_nop',
'amd_prime',
--
2.17.1
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