treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / display / dc / dc_stream.h
blob92096de79dec14d1f2af98572249d490acd91c35
1 /*
2 * Copyright 2012-14 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: AMD
26 #ifndef DC_STREAM_H_
27 #define DC_STREAM_H_
29 #include "dc_types.h"
30 #include "grph_object_defs.h"
32 /*******************************************************************************
33 * Stream Interfaces
34 ******************************************************************************/
35 struct timing_sync_info {
36 int group_id;
37 int group_size;
38 bool master;
41 struct dc_stream_status {
42 int primary_otg_inst;
43 int stream_enc_inst;
44 int plane_count;
45 int audio_inst;
46 struct timing_sync_info timing_sync_info;
47 struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
50 // TODO: References to this needs to be removed..
51 struct freesync_context {
52 bool dummy;
55 enum hubp_dmdata_mode {
56 DMDATA_SW_MODE,
57 DMDATA_HW_MODE
60 struct dc_dmdata_attributes {
61 /* Specifies whether dynamic meta data will be updated by software
62 * or has to be fetched by hardware (DMA mode)
64 enum hubp_dmdata_mode dmdata_mode;
65 /* Specifies if current dynamic meta data is to be used only for the current frame */
66 bool dmdata_repeat;
67 /* Specifies the size of Dynamic Metadata surface in byte. Size of 0 means no Dynamic metadata is fetched */
68 uint32_t dmdata_size;
69 /* Specifies if a new dynamic meta data should be fetched for an upcoming frame */
70 bool dmdata_updated;
71 /* If hardware mode is used, the base address where DMDATA surface is located */
72 PHYSICAL_ADDRESS_LOC address;
73 /* Specifies whether QOS level will be provided by TTU or it will come from DMDATA_QOS_LEVEL */
74 bool dmdata_qos_mode;
75 /* If qos_mode = 1, this is the QOS value to be used: */
76 uint32_t dmdata_qos_level;
77 /* Specifies the value in unit of REFCLK cycles to be added to the
78 * current time to produce the Amortized deadline for Dynamic Metadata chunk request
80 uint32_t dmdata_dl_delta;
81 /* An unbounded array of uint32s, represents software dmdata to be loaded */
82 uint32_t *dmdata_sw_data;
85 struct dc_writeback_info {
86 bool wb_enabled;
87 int dwb_pipe_inst;
88 struct dc_dwb_params dwb_params;
89 struct mcif_buf_params mcif_buf_params;
92 struct dc_writeback_update {
93 unsigned int num_wb_info;
94 struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
97 enum vertical_interrupt_ref_point {
98 START_V_UPDATE = 0,
99 START_V_SYNC,
100 INVALID_POINT
102 //For now, only v_update interrupt is used.
103 //START_V_BLANK,
104 //START_V_ACTIVE
107 struct periodic_interrupt_config {
108 enum vertical_interrupt_ref_point ref_point;
109 int lines_offset;
112 union stream_update_flags {
113 struct {
114 uint32_t scaling:1;
115 uint32_t out_tf:1;
116 uint32_t out_csc:1;
117 uint32_t abm_level:1;
118 uint32_t dpms_off:1;
119 uint32_t gamut_remap:1;
120 uint32_t wb_update:1;
121 } bits;
123 uint32_t raw;
126 struct dc_stream_state {
127 // sink is deprecated, new code should not reference
128 // this pointer
129 struct dc_sink *sink;
131 struct dc_link *link;
132 struct dc_panel_patch sink_patches;
133 union display_content_support content_support;
134 struct dc_crtc_timing timing;
135 struct dc_crtc_timing_adjust adjust;
136 struct dc_info_packet vrr_infopacket;
137 struct dc_info_packet vsc_infopacket;
138 struct dc_info_packet vsp_infopacket;
140 struct rect src; /* composition area */
141 struct rect dst; /* stream addressable area */
143 // TODO: References to this needs to be removed..
144 struct freesync_context freesync_ctx;
146 struct audio_info audio_info;
148 struct dc_info_packet hdr_static_metadata;
149 PHYSICAL_ADDRESS_LOC dmdata_address;
150 bool use_dynamic_meta;
152 struct dc_transfer_func *out_transfer_func;
153 struct colorspace_transform gamut_remap_matrix;
154 struct dc_csc_transform csc_color_matrix;
156 enum dc_color_space output_color_space;
157 enum dc_dither_option dither_option;
159 enum view_3d_format view_format;
161 bool use_vsc_sdp_for_colorimetry;
162 bool ignore_msa_timing_param;
163 bool converter_disable_audio;
164 uint8_t qs_bit;
165 uint8_t qy_bit;
167 /* TODO: custom INFO packets */
168 /* TODO: ABM info (DMCU) */
169 /* PSR info */
170 unsigned char psr_version;
171 /* TODO: CEA VIC */
173 /* DMCU info */
174 unsigned int abm_level;
176 struct periodic_interrupt_config periodic_interrupt0;
177 struct periodic_interrupt_config periodic_interrupt1;
179 /* from core_stream struct */
180 struct dc_context *ctx;
182 /* used by DCP and FMT */
183 struct bit_depth_reduction_params bit_depth_params;
184 struct clamping_and_pixel_encoding_params clamping;
186 int phy_pix_clk;
187 enum signal_type signal;
188 bool dpms_off;
190 void *dm_stream_context;
192 struct dc_cursor_attributes cursor_attributes;
193 struct dc_cursor_position cursor_position;
194 uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
196 /* from stream struct */
197 struct kref refcount;
199 struct crtc_trigger_info triggered_crtc_reset;
201 /* writeback */
202 unsigned int num_wb_info;
203 struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
204 /* Computed state bits */
205 bool mode_changed : 1;
207 /* Output from DC when stream state is committed or altered
208 * DC may only access these values during:
209 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
210 * values may not change outside of those calls
212 struct {
213 // For interrupt management, some hardware instance
214 // offsets need to be exposed to DM
215 uint8_t otg_offset;
216 } out;
218 bool apply_edp_fast_boot_optimization;
219 bool apply_seamless_boot_optimization;
221 uint32_t stream_id;
222 bool is_dsc_enabled;
223 union stream_update_flags update_flags;
226 #define ABM_LEVEL_IMMEDIATE_DISABLE 0xFFFFFFFF
228 struct dc_stream_update {
229 struct dc_stream_state *stream;
231 struct rect src;
232 struct rect dst;
233 struct dc_transfer_func *out_transfer_func;
234 struct dc_info_packet *hdr_static_metadata;
235 unsigned int *abm_level;
237 struct periodic_interrupt_config *periodic_interrupt0;
238 struct periodic_interrupt_config *periodic_interrupt1;
240 struct dc_info_packet *vrr_infopacket;
241 struct dc_info_packet *vsc_infopacket;
242 struct dc_info_packet *vsp_infopacket;
244 bool *dpms_off;
245 bool integer_scaling_update;
247 struct colorspace_transform *gamut_remap;
248 enum dc_color_space *output_color_space;
249 enum dc_dither_option *dither_option;
251 struct dc_csc_transform *output_csc_transform;
253 struct dc_writeback_update *wb_update;
254 struct dc_dsc_config *dsc_config;
257 bool dc_is_stream_unchanged(
258 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
259 bool dc_is_stream_scaling_unchanged(
260 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
263 * Set up surface attributes and associate to a stream
264 * The surfaces parameter is an absolute set of all surface active for the stream.
265 * If no surfaces are provided, the stream will be blanked; no memory read.
266 * Any flip related attribute changes must be done through this interface.
268 * After this call:
269 * Surfaces attributes are programmed and configured to be composed into stream.
270 * This does not trigger a flip. No surface address is programmed.
273 void dc_commit_updates_for_stream(struct dc *dc,
274 struct dc_surface_update *srf_updates,
275 int surface_count,
276 struct dc_stream_state *stream,
277 struct dc_stream_update *stream_update,
278 struct dc_state *state);
280 * Log the current stream state.
282 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
284 uint8_t dc_get_current_stream_count(struct dc *dc);
285 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
288 * Return the current frame counter.
290 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
293 * Send dp sdp message.
295 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
296 const uint8_t *custom_sdp_message,
297 unsigned int sdp_message_size);
299 /* TODO: Return parsed values rather than direct register read
300 * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
301 * being refactored properly to be dce-specific
303 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
304 uint32_t *v_blank_start,
305 uint32_t *v_blank_end,
306 uint32_t *h_position,
307 uint32_t *v_position);
309 enum dc_status dc_add_stream_to_ctx(
310 struct dc *dc,
311 struct dc_state *new_ctx,
312 struct dc_stream_state *stream);
314 enum dc_status dc_remove_stream_from_ctx(
315 struct dc *dc,
316 struct dc_state *new_ctx,
317 struct dc_stream_state *stream);
320 bool dc_add_plane_to_context(
321 const struct dc *dc,
322 struct dc_stream_state *stream,
323 struct dc_plane_state *plane_state,
324 struct dc_state *context);
326 bool dc_remove_plane_from_context(
327 const struct dc *dc,
328 struct dc_stream_state *stream,
329 struct dc_plane_state *plane_state,
330 struct dc_state *context);
332 bool dc_rem_all_planes_for_stream(
333 const struct dc *dc,
334 struct dc_stream_state *stream,
335 struct dc_state *context);
337 bool dc_add_all_planes_for_stream(
338 const struct dc *dc,
339 struct dc_stream_state *stream,
340 struct dc_plane_state * const *plane_states,
341 int plane_count,
342 struct dc_state *context);
344 bool dc_stream_add_writeback(struct dc *dc,
345 struct dc_stream_state *stream,
346 struct dc_writeback_info *wb_info);
348 bool dc_stream_remove_writeback(struct dc *dc,
349 struct dc_stream_state *stream,
350 uint32_t dwb_pipe_inst);
352 bool dc_stream_warmup_writeback(struct dc *dc,
353 int num_dwb,
354 struct dc_writeback_info *wb_info);
356 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
358 bool dc_stream_set_dynamic_metadata(struct dc *dc,
359 struct dc_stream_state *stream,
360 struct dc_dmdata_attributes *dmdata_attr);
362 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
365 * Set up streams and links associated to drive sinks
366 * The streams parameter is an absolute set of all active streams.
368 * After this call:
369 * Phy, Encoder, Timing Generator are programmed and enabled.
370 * New streams are enabled with blank stream; no memory read.
373 * Enable stereo when commit_streams is not required,
374 * for example, frame alternate.
376 bool dc_enable_stereo(
377 struct dc *dc,
378 struct dc_state *context,
379 struct dc_stream_state *streams[],
380 uint8_t stream_count);
383 enum surface_update_type dc_check_update_surfaces_for_stream(
384 struct dc *dc,
385 struct dc_surface_update *updates,
386 int surface_count,
387 struct dc_stream_update *stream_update,
388 const struct dc_stream_status *stream_status);
391 * Create a new default stream for the requested sink
393 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
395 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
397 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
399 void dc_stream_retain(struct dc_stream_state *dc_stream);
400 void dc_stream_release(struct dc_stream_state *dc_stream);
402 struct dc_stream_status *dc_stream_get_status_from_state(
403 struct dc_state *state,
404 struct dc_stream_state *stream);
405 struct dc_stream_status *dc_stream_get_status(
406 struct dc_stream_state *dc_stream);
408 /*******************************************************************************
409 * Cursor interfaces - To manages the cursor within a stream
410 ******************************************************************************/
411 /* TODO: Deprecated once we switch to dc_set_cursor_position */
412 bool dc_stream_set_cursor_attributes(
413 struct dc_stream_state *stream,
414 const struct dc_cursor_attributes *attributes);
416 bool dc_stream_set_cursor_position(
417 struct dc_stream_state *stream,
418 const struct dc_cursor_position *position);
421 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
422 struct dc_stream_state *stream,
423 struct dc_crtc_timing_adjust *adjust);
425 bool dc_stream_get_crtc_position(struct dc *dc,
426 struct dc_stream_state **stream,
427 int num_streams,
428 unsigned int *v_pos,
429 unsigned int *nom_v_pos);
431 bool dc_stream_configure_crc(struct dc *dc,
432 struct dc_stream_state *stream,
433 bool enable,
434 bool continuous);
436 bool dc_stream_get_crc(struct dc *dc,
437 struct dc_stream_state *stream,
438 uint32_t *r_cr,
439 uint32_t *g_y,
440 uint32_t *b_cb);
442 void dc_stream_set_static_screen_params(struct dc *dc,
443 struct dc_stream_state **stream,
444 int num_streams,
445 const struct dc_static_screen_params *params);
447 void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
448 enum dc_dynamic_expansion option);
450 void dc_stream_set_dither_option(struct dc_stream_state *stream,
451 enum dc_dither_option option);
453 bool dc_stream_set_gamut_remap(struct dc *dc,
454 const struct dc_stream_state *stream);
456 bool dc_stream_program_csc_matrix(struct dc *dc,
457 struct dc_stream_state *stream);
459 bool dc_stream_get_crtc_position(struct dc *dc,
460 struct dc_stream_state **stream,
461 int num_streams,
462 unsigned int *v_pos,
463 unsigned int *nom_v_pos);
465 #endif /* DC_STREAM_H_ */