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 DRM_DP_AUX_CHARDEV
25 select X86_MSR # used by igt/pm_rpm
26 select DRM_VGEM # used by igt/prime_vgem (dmabuf interop checks)
27 select DRM_DEBUG_MM if DRM=y
28 select STACKDEPOT if DRM=y # for DRM_DEBUG_MM
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 default n
34 help
35 Choose this option to turn on extra driver debugging that may affect
36 performance but will catch some internal issues.
37
38 Recommended for driver developers only.
39
40 If in doubt, say "N".
41
42config DRM_I915_DEBUG_GEM
43 bool "Insert extra checks into the GEM internals"
44 default n
45 depends on DRM_I915_WERROR
46 help
47 Enable extra sanity checks (including BUGs) along the GEM driver
48 paths that may slow the system down and if hit hang the machine.
49
50 Recommended for driver developers only.
51
52 If in doubt, say "N".
53
54config DRM_I915_ERRLOG_GEM
55 bool "Insert extra logging (very verbose) for common GEM errors"
56 default n
57 depends on DRM_I915_DEBUG_GEM
58 help
59 Enable additional logging that may help track down the cause of
60 principally userspace errors.
61
62 Recommended for driver developers only.
63
64 If in doubt, say "N".
65
66config DRM_I915_TRACE_GEM
67 bool "Insert extra ftrace output from the GEM internals"
68 depends on DRM_I915_DEBUG_GEM
69 select TRACING
70 default n
71 help
72 Enable additional and verbose debugging output that will spam
73 ordinary tests, but may be vital for post-mortem debugging when
74 used with /proc/sys/kernel/ftrace_dump_on_oops
75
76 Recommended for driver developers only.
77
78 If in doubt, say "N".
79
80config DRM_I915_SW_FENCE_DEBUG_OBJECTS
81 bool "Enable additional driver debugging for fence objects"
82 depends on DRM_I915
83 select DEBUG_OBJECTS
84 default n
85 help
86 Choose this option to turn on extra driver debugging that may affect
87 performance but will catch some internal issues.
88
89 Recommended for driver developers only.
90
91 If in doubt, say "N".
92
93config DRM_I915_SW_FENCE_CHECK_DAG
94 bool "Enable additional driver debugging for detecting dependency cycles"
95 depends on DRM_I915
96 default n
97 help
98 Choose this option to turn on extra driver debugging that may affect
99 performance but will catch some internal issues.
100
101 Recommended for driver developers only.
102
103 If in doubt, say "N".
104
105config DRM_I915_DEBUG_GUC
106 bool "Enable additional driver debugging for GuC"
107 depends on DRM_I915
108 default n
109 help
110 Choose this option to turn on extra driver debugging that may affect
111 performance but will help resolve GuC related issues.
112
113 Recommended for driver developers only.
114
115 If in doubt, say "N".
116
117config DRM_I915_SELFTEST
118 bool "Enable selftests upon driver load"
119 depends on DRM_I915
120 default n
121 select FAULT_INJECTION
122 select PRIME_NUMBERS
123 help
124 Choose this option to allow the driver to perform selftests upon
125 loading; also requires the i915.selftest=1 module parameter. To
126 exit the module after running the selftests (i.e. to prevent normal
127 module initialisation afterwards) use i915.selftest=-1.
128
129 Recommended for driver developers only.
130
131 If in doubt, say "N".
132
133config DRM_I915_SELFTEST_BROKEN
134 bool "Enable broken and dangerous selftests"
135 depends on DRM_I915_SELFTEST
136 depends on BROKEN
137 default n
138 help
139 This option enables the execution of selftests that are "dangerous"
140 and may trigger unintended HW side-effects as they break strict
141 rules given in the HW specification. For science.
142
143 Recommended for masochistic driver developers only.
144
145 If in doubt, say "N".
146
147config DRM_I915_LOW_LEVEL_TRACEPOINTS
148 bool "Enable low level request tracing events"
149 depends on DRM_I915
150 default n
151 help
152 Choose this option to turn on low level request tracing events.
153 This provides the ability to precisely monitor engine utilisation
154 and also analyze the request dependency resolving timeline.
155
156 If in doubt, say "N".
157
158config DRM_I915_DEBUG_VBLANK_EVADE
159 bool "Enable extra debug warnings for vblank evasion"
160 depends on DRM_I915
161 default n
162 help
163 Choose this option to turn on extra debug warnings for the
164 vblank evade mechanism. This gives a warning every time the
165 the deadline allotted for the vblank evade critical section
166 is exceeded, even if there isn't an actual risk of missing
167 the vblank.
168
169 If in doubt, say "N".