1 /*
2 * Copyright © 2015 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
25 */
26
27 #include "igt.h"
28
29 IGT_TEST_DESCRIPTION(
30 "Exercise the FDI lane bifurcation code for IVB in the kernel by setting"
31 "different combinations of modes for pipes B and C.");
32
33 typedef struct {
34 int drm_fd;
35 igt_display_t display;
36 } data_t;
37
38 drmModeModeInfo mode_3_lanes = {
39 .clock = 173000,
40 .hdisplay = 1920,
41 .hsync_start = 2048,
42 .hsync_end = 2248,
43 .htotal = 2576,
44 .vdisplay = 1080,
45 .vsync_start = 1083,
46 .vsync_end = 1088,
47 .vtotal = 1120,
48 .vrefresh = 60,
49 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC,
50 .name = "3_lanes",
51 };
52
53 drmModeModeInfo mode_2_lanes = {
54 .clock = 138500,
55 .hdisplay = 1920,
56 .hsync_start = 1968,
57 .hsync_end = 2000,
58 .htotal = 2080,
59 .vdisplay = 1080,
60 .vsync_start = 1083,
61 .vsync_end = 1088,
62 .vtotal = 1111,
63 .vrefresh = 60,
64 .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC,
65 .name = "2_lanes",
66 };
67
68 static int
disable_pipe(data_t * data,enum pipe pipe,igt_output_t * output)69 disable_pipe(data_t *data, enum pipe pipe, igt_output_t *output)
70 {
71 igt_plane_t *primary;
72
73 igt_output_set_pipe(output, pipe);
74 primary = igt_output_get_plane(output, 0);
75 igt_plane_set_fb(primary, NULL);
76 return igt_display_commit(&data->display);
77 }
78
79 static int
set_mode_on_pipe(data_t * data,enum pipe pipe,igt_output_t * output)80 set_mode_on_pipe(data_t *data, enum pipe pipe, igt_output_t *output)
81 {
82 igt_plane_t *primary;
83 drmModeModeInfo *mode;
84 struct igt_fb fb;
85 int fb_id;
86
87 igt_output_set_pipe(output, pipe);
88
89 mode = igt_output_get_mode(output);
90
91 primary = igt_output_get_plane(output, 0);
92
93 fb_id = igt_create_color_fb(data->drm_fd,
94 mode->hdisplay, mode->vdisplay,
95 DRM_FORMAT_XRGB8888, I915_TILING_NONE,
96 1.0, 1.0, 1.0, &fb);
97 igt_assert_lte(0, fb_id);
98
99 igt_plane_set_fb(primary, &fb);
100 return igt_display_try_commit2(&data->display, COMMIT_LEGACY);
101 }
102
103 static int
set_big_mode_on_pipe(data_t * data,enum pipe pipe,igt_output_t * output)104 set_big_mode_on_pipe(data_t *data, enum pipe pipe, igt_output_t *output)
105 {
106 igt_output_override_mode(output, &mode_3_lanes);
107 return set_mode_on_pipe(data, pipe, output);
108 }
109
110 static int
set_normal_mode_on_pipe(data_t * data,enum pipe pipe,igt_output_t * output)111 set_normal_mode_on_pipe(data_t *data, enum pipe pipe, igt_output_t *output)
112 {
113 igt_output_override_mode(output, &mode_2_lanes);
114 return set_mode_on_pipe(data, pipe, output);
115 }
116
117 static void
find_outputs(data_t * data,igt_output_t ** output1,igt_output_t ** output2)118 find_outputs(data_t *data, igt_output_t **output1, igt_output_t **output2)
119 {
120 igt_output_t *output;
121 enum pipe pipe;
122
123 *output1 = NULL;
124 *output2 = NULL;
125
126 for_each_pipe_with_valid_output(&data->display, pipe, output) {
127 if (pipe == PIPE_B && !*output1 && output != *output2)
128 *output1 = output;
129
130 if (pipe == PIPE_C && output != *output1 && !*output2)
131 *output2 = output;
132
133 igt_output_set_pipe(output, PIPE_ANY);
134 }
135
136 igt_skip_on_f(!*output1 || !*output2, "Not enough connected outputs\n");
137 }
138
139 static void
test_dpms(data_t * data)140 test_dpms(data_t *data)
141 {
142 igt_output_t *output1, *output2;
143 int ret;
144
145 find_outputs(data, &output1, &output2);
146
147 igt_info("Pipe %s will use connector %s\n",
148 kmstest_pipe_name(PIPE_B), igt_output_name(output1));
149 igt_info("Pipe %s will use connector %s\n",
150 kmstest_pipe_name(PIPE_C), igt_output_name(output2));
151
152 ret = set_big_mode_on_pipe(data, PIPE_B, output1);
153 igt_assert_eq(ret, 0);
154
155 kmstest_set_connector_dpms(data->drm_fd, output1->config.connector, DRM_MODE_DPMS_OFF);
156
157 ret = set_big_mode_on_pipe(data, PIPE_C, output2);
158 igt_assert_neq(ret, 0);
159 }
160
161 static void
test_lane_reduction(data_t * data)162 test_lane_reduction(data_t *data)
163 {
164 igt_output_t *output1, *output2;
165 int ret;
166
167 find_outputs(data, &output1, &output2);
168
169 igt_info("Pipe %s will use connector %s\n",
170 kmstest_pipe_name(PIPE_B), igt_output_name(output1));
171 igt_info("Pipe %s will use connector %s\n",
172 kmstest_pipe_name(PIPE_C), igt_output_name(output2));
173
174 ret = set_big_mode_on_pipe(data, PIPE_B, output1);
175 igt_assert_eq(ret, 0);
176
177 ret = set_normal_mode_on_pipe(data, PIPE_B, output1);
178 igt_assert_eq(ret, 0);
179
180 ret = set_normal_mode_on_pipe(data, PIPE_C, output2);
181 igt_assert_eq(ret, 0);
182 }
183
184 static void
test_disable_pipe_B(data_t * data)185 test_disable_pipe_B(data_t *data)
186 {
187 igt_output_t *output1, *output2;
188 int ret;
189
190 find_outputs(data, &output1, &output2);
191
192 igt_info("Pipe %s will use connector %s\n",
193 kmstest_pipe_name(PIPE_B), igt_output_name(output1));
194 igt_info("Pipe %s will use connector %s\n",
195 kmstest_pipe_name(PIPE_C), igt_output_name(output2));
196
197 ret = set_big_mode_on_pipe(data, PIPE_B, output1);
198 igt_assert_eq(ret, 0);
199
200 ret = disable_pipe(data, PIPE_B, output1);
201 igt_assert_eq(ret, 0);
202
203 ret = set_normal_mode_on_pipe(data, PIPE_C, output2);
204 igt_assert_eq(ret, 0);
205
206 ret = set_normal_mode_on_pipe(data, PIPE_B, output1);
207 igt_assert_eq(ret, 0);
208 }
209
210 static void
test_from_C_to_B_with_3_lanes(data_t * data)211 test_from_C_to_B_with_3_lanes(data_t *data)
212 {
213 igt_output_t *output1, *output2;
214 int ret;
215
216 find_outputs(data, &output1, &output2);
217
218 igt_info("Pipe %s will use connector %s\n",
219 kmstest_pipe_name(PIPE_B), igt_output_name(output1));
220 igt_info("Pipe %s will use connector %s\n",
221 kmstest_pipe_name(PIPE_C), igt_output_name(output2));
222
223 ret = set_normal_mode_on_pipe(data, PIPE_C, output2);
224 igt_assert_eq(ret, 0);
225
226 ret = disable_pipe(data, PIPE_C, output2);
227 igt_assert_eq(ret, 0);
228
229 ret = set_big_mode_on_pipe(data, PIPE_B, output1);
230 igt_assert_eq(ret, 0);
231 }
232
233 static void
test_fail_enable_pipe_C_while_B_has_3_lanes(data_t * data)234 test_fail_enable_pipe_C_while_B_has_3_lanes(data_t *data)
235 {
236 igt_output_t *output1, *output2;
237 int ret;
238
239 find_outputs(data, &output1, &output2);
240
241 igt_info("Pipe %s will use connector %s\n",
242 kmstest_pipe_name(PIPE_B), igt_output_name(output1));
243 igt_info("Pipe %s will use connector %s\n",
244 kmstest_pipe_name(PIPE_C), igt_output_name(output2));
245
246 ret = set_big_mode_on_pipe(data, PIPE_B, output1);
247 igt_assert_eq(ret, 0);
248
249 ret = set_normal_mode_on_pipe(data, PIPE_C, output2);
250 igt_assert_neq(ret, 0);
251 }
252
253 static data_t data;
254 igt_main
255 {
256 int devid;
257
258 igt_skip_on_simulation();
259
260 igt_fixture {
261 data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
262 devid = intel_get_drm_devid(data.drm_fd);
263 igt_skip_on(!IS_IVYBRIDGE(devid));
264
265 kmstest_set_vt_graphics_mode();
266 igt_display_require(&data.display, data.drm_fd);
267 }
268
269 igt_subtest("pipe-B-dpms-off-modeset-pipe-C")
270 test_dpms(&data);
271
272 igt_subtest("pipe-B-double-modeset-then-modeset-pipe-C")
273 test_lane_reduction(&data);
274
275 igt_subtest("disable-pipe-B-enable-pipe-C")
276 test_disable_pipe_B(&data);
277
278 igt_subtest("from-pipe-C-to-B-with-3-lanes")
279 test_from_C_to_B_with_3_lanes(&data);
280
281 igt_subtest("enable-pipe-C-while-B-has-3-lanes")
282 test_fail_enable_pipe_C_while_B_has_3_lanes(&data);
283
284 igt_fixture {
285 igt_display_fini(&data.display);
286 }
287 }
288