tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1config DRM_I915_WERROR
2 bool "Force GCC to throw an error instead of a warning when compiling"
3 # As this may inadvertently break the build, only allow the user
4 # to shoot oneself in the foot iff they aim really hard
5 depends on EXPERT
6 # We use the dependency on !COMPILE_TEST to not be enabled in
7 # allmodconfig or allyesconfig configurations
8 depends on !COMPILE_TEST
9 default n
10 help
11 Add -Werror to the build flags for (and only for) i915.ko.
12 Do not enable this unless you are writing code for the i915.ko module.
13
14 Recommended for driver developers only.
15
16 If in doubt, say "N".
17
18config DRM_I915_DEBUG
19 bool "Enable additional driver debugging"
20 depends on DRM_I915
21 select DEBUG_FS
22 select PREEMPT_COUNT
23 select I2C_CHARDEV
24 select STACKDEPOT
25 select DRM_DP_AUX_CHARDEV
26 select X86_MSR # used by igt/pm_rpm
27 select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
28 select DRM_DEBUG_MM if DRM=y
29 select DRM_DEBUG_SELFTEST
30 select SW_SYNC # signaling validation framework (igt/syncobj*)
31 select DRM_I915_SW_FENCE_DEBUG_OBJECTS
32 select DRM_I915_SELFTEST
33 select DRM_I915_DEBUG_RUNTIME_PM
34 default n
35 help
36 Choose this option to turn on extra driver debugging that may affect
37 performance but will catch some internal issues.
38
39 Recommended for driver developers only.
40
41 If in doubt, say "N".
42
43config DRM_I915_DEBUG_GEM
44 bool "Insert extra checks into the GEM internals"
45 default n
46 depends on DRM_I915_WERROR
47 help
48 Enable extra sanity checks (including BUGs) along the GEM driver
49 paths that may slow the system down and if hit hang the machine.
50
51 Recommended for driver developers only.
52
53 If in doubt, say "N".
54
55config DRM_I915_ERRLOG_GEM
56 bool "Insert extra logging (very verbose) for common GEM errors"
57 default n
58 depends on DRM_I915_DEBUG_GEM
59 help
60 Enable additional logging that may help track down the cause of
61 principally userspace errors.
62
63 Recommended for driver developers only.
64
65 If in doubt, say "N".
66
67config DRM_I915_TRACE_GEM
68 bool "Insert extra ftrace output from the GEM internals"
69 depends on DRM_I915_DEBUG_GEM
70 select TRACING
71 default n
72 help
73 Enable additional and verbose debugging output that will spam
74 ordinary tests, but may be vital for post-mortem debugging when
75 used with /proc/sys/kernel/ftrace_dump_on_oops
76
77 Recommended for driver developers only.
78
79 If in doubt, say "N".
80
81config DRM_I915_SW_FENCE_DEBUG_OBJECTS
82 bool "Enable additional driver debugging for fence objects"
83 depends on DRM_I915
84 select DEBUG_OBJECTS
85 default n
86 help
87 Choose this option to turn on extra driver debugging that may affect
88 performance but will catch some internal issues.
89
90 Recommended for driver developers only.
91
92 If in doubt, say "N".
93
94config DRM_I915_SW_FENCE_CHECK_DAG
95 bool "Enable additional driver debugging for detecting dependency cycles"
96 depends on DRM_I915
97 default n
98 help
99 Choose this option to turn on extra driver debugging that may affect
100 performance but will catch some internal issues.
101
102 Recommended for driver developers only.
103
104 If in doubt, say "N".
105
106config DRM_I915_DEBUG_GUC
107 bool "Enable additional driver debugging for GuC"
108 depends on DRM_I915
109 default n
110 help
111 Choose this option to turn on extra driver debugging that may affect
112 performance but will help resolve GuC related issues.
113
114 Recommended for driver developers only.
115
116 If in doubt, say "N".
117
118config DRM_I915_SELFTEST
119 bool "Enable selftests upon driver load"
120 depends on DRM_I915
121 default n
122 select FAULT_INJECTION
123 select PRIME_NUMBERS
124 help
125 Choose this option to allow the driver to perform selftests upon
126 loading; also requires the i915.selftest=1 module parameter. To
127 exit the module after running the selftests (i.e. to prevent normal
128 module initialisation afterwards) use i915.selftest=-1.
129
130 Recommended for driver developers only.
131
132 If in doubt, say "N".
133
134config DRM_I915_SELFTEST_BROKEN
135 bool "Enable broken and dangerous selftests"
136 depends on DRM_I915_SELFTEST
137 depends on BROKEN
138 default n
139 help
140 This option enables the execution of selftests that are "dangerous"
141 and may trigger unintended HW side-effects as they break strict
142 rules given in the HW specification. For science.
143
144 Recommended for masochistic driver developers only.
145
146 If in doubt, say "N".
147
148config DRM_I915_LOW_LEVEL_TRACEPOINTS
149 bool "Enable low level request tracing events"
150 depends on DRM_I915
151 default n
152 help
153 Choose this option to turn on low level request tracing events.
154 This provides the ability to precisely monitor engine utilisation
155 and also analyze the request dependency resolving timeline.
156
157 If in doubt, say "N".
158
159config DRM_I915_DEBUG_VBLANK_EVADE
160 bool "Enable extra debug warnings for vblank evasion"
161 depends on DRM_I915
162 default n
163 help
164 Choose this option to turn on extra debug warnings for the
165 vblank evade mechanism. This gives a warning every time the
166 the deadline allotted for the vblank evade critical section
167 is exceeded, even if there isn't an actual risk of missing
168 the vblank.
169
170 If in doubt, say "N".
171
172config DRM_I915_DEBUG_RUNTIME_PM
173 bool "Enable extra state checking for runtime PM"
174 depends on DRM_I915
175 default n
176 select STACKDEPOT
177 help
178 Choose this option to turn on extra state checking for the
179 runtime PM functionality. This may introduce overhead during
180 driver loading, suspend and resume operations.
181
182 If in doubt, say "N"