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22554020 JN |
1 | =========================== |
2 | drm/i915 Intel GFX Driver | |
3 | =========================== | |
ca00c2b9 JN |
4 | |
5 | The drm/i915 driver supports all (with the exception of some very early | |
6 | models) integrated GFX chipsets with both Intel display and rendering | |
7 | blocks. This excludes a set of SoC platforms with an SGX rendering unit, | |
8 | those have basic support through the gma500 drm driver. | |
9 | ||
10 | Core Driver Infrastructure | |
22554020 | 11 | ========================== |
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12 | |
13 | This section covers core driver infrastructure used by both the display | |
14 | and the GEM parts of the driver. | |
15 | ||
16 | Runtime Power Management | |
22554020 | 17 | ------------------------ |
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18 | |
19 | .. kernel-doc:: drivers/gpu/drm/i915/intel_runtime_pm.c | |
20 | :doc: runtime pm | |
21 | ||
22 | .. kernel-doc:: drivers/gpu/drm/i915/intel_runtime_pm.c | |
23 | :internal: | |
24 | ||
25 | .. kernel-doc:: drivers/gpu/drm/i915/intel_uncore.c | |
26 | :internal: | |
27 | ||
28 | Interrupt Handling | |
22554020 | 29 | ------------------ |
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30 | |
31 | .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c | |
32 | :doc: interrupt handling | |
33 | ||
34 | .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c | |
35 | :functions: intel_irq_init intel_irq_init_hw intel_hpd_init | |
36 | ||
37 | .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c | |
38 | :functions: intel_runtime_pm_disable_interrupts | |
39 | ||
40 | .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c | |
41 | :functions: intel_runtime_pm_enable_interrupts | |
42 | ||
43 | Intel GVT-g Guest Support(vGPU) | |
22554020 | 44 | ------------------------------- |
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45 | |
46 | .. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c | |
47 | :doc: Intel GVT-g guest support | |
48 | ||
49 | .. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c | |
50 | :internal: | |
51 | ||
52 | Display Hardware Handling | |
22554020 | 53 | ========================= |
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54 | |
55 | This section covers everything related to the display hardware including | |
56 | the mode setting infrastructure, plane, sprite and cursor handling and | |
57 | display, output probing and related topics. | |
58 | ||
59 | Mode Setting Infrastructure | |
22554020 | 60 | --------------------------- |
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61 | |
62 | The i915 driver is thus far the only DRM driver which doesn't use the | |
63 | common DRM helper code to implement mode setting sequences. Thus it has | |
64 | its own tailor-made infrastructure for executing a display configuration | |
65 | change. | |
66 | ||
67 | Frontbuffer Tracking | |
22554020 | 68 | -------------------- |
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69 | |
70 | .. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c | |
71 | :doc: frontbuffer tracking | |
72 | ||
5d723d7a CW |
73 | .. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.h |
74 | :internal: | |
75 | ||
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76 | .. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c |
77 | :internal: | |
78 | ||
79 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem.c | |
80 | :functions: i915_gem_track_fb | |
81 | ||
82 | Display FIFO Underrun Reporting | |
22554020 | 83 | ------------------------------- |
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84 | |
85 | .. kernel-doc:: drivers/gpu/drm/i915/intel_fifo_underrun.c | |
86 | :doc: fifo underrun handling | |
87 | ||
88 | .. kernel-doc:: drivers/gpu/drm/i915/intel_fifo_underrun.c | |
89 | :internal: | |
90 | ||
91 | Plane Configuration | |
22554020 | 92 | ------------------- |
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93 | |
94 | This section covers plane configuration and composition with the primary | |
95 | plane, sprites, cursors and overlays. This includes the infrastructure | |
96 | to do atomic vsync'ed updates of all this state and also tightly coupled | |
97 | topics like watermark setup and computation, framebuffer compression and | |
98 | panel self refresh. | |
99 | ||
100 | Atomic Plane Helpers | |
22554020 | 101 | -------------------- |
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102 | |
103 | .. kernel-doc:: drivers/gpu/drm/i915/intel_atomic_plane.c | |
104 | :doc: atomic plane helpers | |
105 | ||
106 | .. kernel-doc:: drivers/gpu/drm/i915/intel_atomic_plane.c | |
107 | :internal: | |
108 | ||
109 | Output Probing | |
22554020 | 110 | -------------- |
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111 | |
112 | This section covers output probing and related infrastructure like the | |
113 | hotplug interrupt storm detection and mitigation code. Note that the | |
114 | i915 driver still uses most of the common DRM helper code for output | |
115 | probing, so those sections fully apply. | |
116 | ||
117 | Hotplug | |
22554020 | 118 | ------- |
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119 | |
120 | .. kernel-doc:: drivers/gpu/drm/i915/intel_hotplug.c | |
121 | :doc: Hotplug | |
122 | ||
123 | .. kernel-doc:: drivers/gpu/drm/i915/intel_hotplug.c | |
124 | :internal: | |
125 | ||
126 | High Definition Audio | |
22554020 | 127 | --------------------- |
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128 | |
129 | .. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c | |
130 | :doc: High Definition Audio over HDMI and Display Port | |
131 | ||
132 | .. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c | |
133 | :internal: | |
134 | ||
135 | .. kernel-doc:: include/drm/i915_component.h | |
136 | :internal: | |
137 | ||
138 | Panel Self Refresh PSR (PSR/SRD) | |
22554020 | 139 | -------------------------------- |
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140 | |
141 | .. kernel-doc:: drivers/gpu/drm/i915/intel_psr.c | |
142 | :doc: Panel Self Refresh (PSR/SRD) | |
143 | ||
144 | .. kernel-doc:: drivers/gpu/drm/i915/intel_psr.c | |
145 | :internal: | |
146 | ||
147 | Frame Buffer Compression (FBC) | |
22554020 | 148 | ------------------------------ |
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149 | |
150 | .. kernel-doc:: drivers/gpu/drm/i915/intel_fbc.c | |
151 | :doc: Frame Buffer Compression (FBC) | |
152 | ||
153 | .. kernel-doc:: drivers/gpu/drm/i915/intel_fbc.c | |
154 | :internal: | |
155 | ||
156 | Display Refresh Rate Switching (DRRS) | |
22554020 | 157 | ------------------------------------- |
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158 | |
159 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
160 | :doc: Display Refresh Rate Switching (DRRS) | |
161 | ||
162 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
163 | :functions: intel_dp_set_drrs_state | |
164 | ||
165 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
166 | :functions: intel_edp_drrs_enable | |
167 | ||
168 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
169 | :functions: intel_edp_drrs_disable | |
170 | ||
171 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
172 | :functions: intel_edp_drrs_invalidate | |
173 | ||
174 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
175 | :functions: intel_edp_drrs_flush | |
176 | ||
177 | .. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c | |
178 | :functions: intel_dp_drrs_init | |
179 | ||
180 | DPIO | |
22554020 | 181 | ---- |
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182 | |
183 | .. kernel-doc:: drivers/gpu/drm/i915/i915_reg.h | |
184 | :doc: DPIO | |
185 | ||
186 | CSR firmware support for DMC | |
22554020 | 187 | ---------------------------- |
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188 | |
189 | .. kernel-doc:: drivers/gpu/drm/i915/intel_csr.c | |
190 | :doc: csr support for dmc | |
191 | ||
192 | .. kernel-doc:: drivers/gpu/drm/i915/intel_csr.c | |
193 | :internal: | |
194 | ||
195 | Video BIOS Table (VBT) | |
22554020 | 196 | ---------------------- |
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197 | |
198 | .. kernel-doc:: drivers/gpu/drm/i915/intel_bios.c | |
199 | :doc: Video BIOS Table (VBT) | |
200 | ||
201 | .. kernel-doc:: drivers/gpu/drm/i915/intel_bios.c | |
202 | :internal: | |
203 | ||
204 | .. kernel-doc:: drivers/gpu/drm/i915/intel_vbt_defs.h | |
205 | :internal: | |
206 | ||
207 | Memory Management and Command Submission | |
22554020 | 208 | ======================================== |
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209 | |
210 | This sections covers all things related to the GEM implementation in the | |
211 | i915 driver. | |
212 | ||
213 | Batchbuffer Parsing | |
22554020 | 214 | ------------------- |
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215 | |
216 | .. kernel-doc:: drivers/gpu/drm/i915/i915_cmd_parser.c | |
217 | :doc: batch buffer command parser | |
218 | ||
219 | .. kernel-doc:: drivers/gpu/drm/i915/i915_cmd_parser.c | |
220 | :internal: | |
221 | ||
222 | Batchbuffer Pools | |
22554020 | 223 | ----------------- |
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224 | |
225 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_batch_pool.c | |
226 | :doc: batch pool | |
227 | ||
228 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_batch_pool.c | |
229 | :internal: | |
230 | ||
231 | Logical Rings, Logical Ring Contexts and Execlists | |
22554020 | 232 | -------------------------------------------------- |
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233 | |
234 | .. kernel-doc:: drivers/gpu/drm/i915/intel_lrc.c | |
235 | :doc: Logical Rings, Logical Ring Contexts and Execlists | |
236 | ||
237 | .. kernel-doc:: drivers/gpu/drm/i915/intel_lrc.c | |
238 | :internal: | |
239 | ||
240 | Global GTT views | |
22554020 | 241 | ---------------- |
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242 | |
243 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_gtt.c | |
244 | :doc: Global GTT views | |
245 | ||
246 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_gtt.c | |
247 | :internal: | |
248 | ||
249 | GTT Fences and Swizzling | |
22554020 | 250 | ------------------------ |
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251 | |
252 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence.c | |
253 | :internal: | |
254 | ||
255 | Global GTT Fence Handling | |
22554020 | 256 | ~~~~~~~~~~~~~~~~~~~~~~~~~ |
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257 | |
258 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence.c | |
259 | :doc: fence register handling | |
260 | ||
261 | Hardware Tiling and Swizzling Details | |
22554020 | 262 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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263 | |
264 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence.c | |
265 | :doc: tiling swizzling details | |
266 | ||
267 | Object Tiling IOCTLs | |
22554020 | 268 | -------------------- |
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269 | |
270 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_tiling.c | |
271 | :internal: | |
272 | ||
273 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_tiling.c | |
274 | :doc: buffer object tiling | |
275 | ||
276 | Buffer Object Eviction | |
22554020 | 277 | ---------------------- |
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278 | |
279 | This section documents the interface functions for evicting buffer | |
280 | objects to make space available in the virtual gpu address spaces. Note | |
281 | that this is mostly orthogonal to shrinking buffer objects caches, which | |
282 | has the goal to make main memory (shared with the gpu through the | |
283 | unified memory architecture) available. | |
284 | ||
285 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_evict.c | |
286 | :internal: | |
287 | ||
288 | Buffer Object Memory Shrinking | |
22554020 | 289 | ------------------------------ |
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290 | |
291 | This section documents the interface function for shrinking memory usage | |
292 | of buffer object caches. Shrinking is used to make main memory | |
293 | available. Note that this is mostly orthogonal to evicting buffer | |
294 | objects, which has the goal to make space in gpu virtual address spaces. | |
295 | ||
296 | .. kernel-doc:: drivers/gpu/drm/i915/i915_gem_shrinker.c | |
297 | :internal: | |
298 | ||
299 | GuC | |
22554020 | 300 | === |
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301 | |
302 | GuC-specific firmware loader | |
22554020 | 303 | ---------------------------- |
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304 | |
305 | .. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c | |
306 | :doc: GuC-specific firmware loader | |
307 | ||
308 | .. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c | |
309 | :internal: | |
310 | ||
311 | GuC-based command submission | |
22554020 | 312 | ---------------------------- |
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313 | |
314 | .. kernel-doc:: drivers/gpu/drm/i915/i915_guc_submission.c | |
315 | :doc: GuC-based command submission | |
316 | ||
317 | .. kernel-doc:: drivers/gpu/drm/i915/i915_guc_submission.c | |
318 | :internal: | |
319 | ||
320 | GuC Firmware Layout | |
22554020 | 321 | ------------------- |
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322 | |
323 | .. kernel-doc:: drivers/gpu/drm/i915/intel_guc_fwif.h | |
324 | :doc: GuC Firmware Layout | |
325 | ||
326 | Tracing | |
22554020 | 327 | ======= |
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328 | |
329 | This sections covers all things related to the tracepoints implemented | |
330 | in the i915 driver. | |
331 | ||
332 | i915_ppgtt_create and i915_ppgtt_release | |
22554020 | 333 | ---------------------------------------- |
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334 | |
335 | .. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h | |
336 | :doc: i915_ppgtt_create and i915_ppgtt_release tracepoints | |
337 | ||
338 | i915_context_create and i915_context_free | |
22554020 | 339 | ----------------------------------------- |
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340 | |
341 | .. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h | |
342 | :doc: i915_context_create and i915_context_free tracepoints | |
343 | ||
344 | switch_mm | |
22554020 | 345 | --------- |
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346 | |
347 | .. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h | |
348 | :doc: switch_mm tracepoint | |
349 | ||
350 | .. WARNING: DOCPROC directive not supported: !Cdrivers/gpu/drm/i915/i915_irq.c |