Bug Summary

File:dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c
Warning:line 769, column 6
Access to field 'format' results in a dereference of a null pointer (loaded from variable 'plane')

Annotated Source Code

Press '?' to see keyboard shortcuts

clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name dcn30_hwseq.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -target-feature +retpoline-external-thunk -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/legacy-dpm -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu13 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/inc -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D SUSPEND -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /home/ben/Projects/scan/2024-01-11-110808-61670-1 -x c /usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c
1/*
2 * Copyright 2020 Advanced Micro Devices, Inc.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: AMD
23 *
24 */
25
26
27#include "dm_services.h"
28#include "dm_helpers.h"
29#include "core_types.h"
30#include "resource.h"
31#include "dcn30_hwseq.h"
32#include "dccg.h"
33#include "dce/dce_hwseq.h"
34#include "dcn30_mpc.h"
35#include "dcn30_dpp.h"
36#include "dcn10/dcn10_cm_common.h"
37#include "dcn30_cm_common.h"
38#include "reg_helper.h"
39#include "abm.h"
40#include "clk_mgr.h"
41#include "hubp.h"
42#include "dchubbub.h"
43#include "timing_generator.h"
44#include "opp.h"
45#include "ipp.h"
46#include "mpc.h"
47#include "mcif_wb.h"
48#include "dc_dmub_srv.h"
49#include "link_hwss.h"
50#include "dpcd_defs.h"
51#include "../dcn20/dcn20_hwseq.h"
52#include "dcn30_resource.h"
53#include "inc/dc_link_dp.h"
54#include "inc/link_dpcd.h"
55
56
57
58
59#define DC_LOGGER_INIT(logger)
60
61#define CTXhws->ctx \
62 hws->ctx
63#define REG(reg)hws->regs->reg\
64 hws->regs->reg
65#define DC_LOGGERdc->ctx->logger \
66 dc->ctx->logger
67
68
69#undef FN
70#define FN(reg_name, field_name)hws->shifts->field_name, hws->masks->field_name \
71 hws->shifts->field_name, hws->masks->field_name
72
73bool_Bool dcn30_set_blend_lut(
74 struct pipe_ctx *pipe_ctx, const struct dc_plane_state *plane_state)
75{
76 struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
77 bool_Bool result = true1;
78 struct pwl_params *blend_lut = NULL((void *)0);
79
80 if (plane_state->blend_tf) {
81 if (plane_state->blend_tf->type == TF_TYPE_HWPWL)
82 blend_lut = &plane_state->blend_tf->pwl;
83 else if (plane_state->blend_tf->type == TF_TYPE_DISTRIBUTED_POINTS) {
84 cm3_helper_translate_curve_to_hw_format(
85 plane_state->blend_tf, &dpp_base->regamma_params, false0);
86 blend_lut = &dpp_base->regamma_params;
87 }
88 }
89 result = dpp_base->funcs->dpp_program_blnd_lut(dpp_base, blend_lut);
90
91 return result;
92}
93
94static bool_Bool dcn30_set_mpc_shaper_3dlut(struct pipe_ctx *pipe_ctx,
95 const struct dc_stream_state *stream)
96{
97 struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
98 int mpcc_id = pipe_ctx->plane_res.hubp->inst;
99 struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
100 bool_Bool result = false0;
101 int acquired_rmu = 0;
102 int mpcc_id_projected = 0;
103
104 const struct pwl_params *shaper_lut = NULL((void *)0);
105 //get the shaper lut params
106 if (stream->func_shaper) {
107 if (stream->func_shaper->type == TF_TYPE_HWPWL) {
108 shaper_lut = &stream->func_shaper->pwl;
109 } else if (stream->func_shaper->type == TF_TYPE_DISTRIBUTED_POINTS) {
110 cm_helper_translate_curve_to_hw_format(stream->ctx, stream->func_shaper,
111 &dpp_base->shaper_params, true1);
112 shaper_lut = &dpp_base->shaper_params;
113 }
114 }
115
116 if (stream->lut3d_func &&
117 stream->lut3d_func->state.bits.initialized == 1 &&
118 stream->lut3d_func->state.bits.rmu_idx_valid == 1) {
119 if (stream->lut3d_func->state.bits.rmu_mux_num == 0)
120 mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu0_mux;
121 else if (stream->lut3d_func->state.bits.rmu_mux_num == 1)
122 mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu1_mux;
123 else if (stream->lut3d_func->state.bits.rmu_mux_num == 2)
124 mpcc_id_projected = stream->lut3d_func->state.bits.mpc_rmu2_mux;
125 if (mpcc_id_projected != mpcc_id)
126 BREAK_TO_DEBUGGER()do { ___drm_dbg(((void *)0), DRM_UT_DRIVER, "%s():%d\n", __func__
, 126); do {} while (0); } while (0);
127 /* find the reason why logical layer assigned a different
128 * mpcc_id into acquire_post_bldn_3dlut
129 */
130 acquired_rmu = mpc->funcs->acquire_rmu(mpc, mpcc_id,
131 stream->lut3d_func->state.bits.rmu_mux_num);
132 if (acquired_rmu != stream->lut3d_func->state.bits.rmu_mux_num)
133 BREAK_TO_DEBUGGER()do { ___drm_dbg(((void *)0), DRM_UT_DRIVER, "%s():%d\n", __func__
, 133); do {} while (0); } while (0);
134
135 result = mpc->funcs->program_3dlut(mpc, &stream->lut3d_func->lut_3d,
136 stream->lut3d_func->state.bits.rmu_mux_num);
137 result = mpc->funcs->program_shaper(mpc, shaper_lut,
138 stream->lut3d_func->state.bits.rmu_mux_num);
139 } else {
140 // loop through the available mux and release the requested mpcc_id
141 mpc->funcs->release_rmu(mpc, mpcc_id);
142 }
143
144 return result;
145}
146
147bool_Bool dcn30_set_input_transfer_func(struct dc *dc,
148 struct pipe_ctx *pipe_ctx,
149 const struct dc_plane_state *plane_state)
150{
151 struct dce_hwseq *hws = dc->hwseq;
152 struct dpp *dpp_base = pipe_ctx->plane_res.dpp;
153 enum dc_transfer_func_predefined tf;
154 bool_Bool result = true1;
155 struct pwl_params *params = NULL((void *)0);
156
157 if (dpp_base == NULL((void *)0) || plane_state == NULL((void *)0))
158 return false0;
159
160 tf = TRANSFER_FUNCTION_UNITY;
161
162 if (plane_state->in_transfer_func &&
163 plane_state->in_transfer_func->type == TF_TYPE_PREDEFINED)
164 tf = plane_state->in_transfer_func->tf;
165
166 dpp_base->funcs->dpp_set_pre_degam(dpp_base, tf);
167
168 if (plane_state->in_transfer_func) {
169 if (plane_state->in_transfer_func->type == TF_TYPE_HWPWL)
170 params = &plane_state->in_transfer_func->pwl;
171 else if (plane_state->in_transfer_func->type == TF_TYPE_DISTRIBUTED_POINTS &&
172 cm3_helper_translate_curve_to_hw_format(plane_state->in_transfer_func,
173 &dpp_base->degamma_params, false0))
174 params = &dpp_base->degamma_params;
175 }
176
177 result = dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params);
178
179 if (pipe_ctx->stream_res.opp && pipe_ctx->stream_res.opp->ctx) {
180 if (dpp_base->funcs->dpp_program_blnd_lut)
181 hws->funcs.set_blend_lut(pipe_ctx, plane_state);
182 if (dpp_base->funcs->dpp_program_shaper_lut &&
183 dpp_base->funcs->dpp_program_3dlut)
184 hws->funcs.set_shaper_3dlut(pipe_ctx, plane_state);
185 }
186
187 return result;
188}
189
190bool_Bool dcn30_set_output_transfer_func(struct dc *dc,
191 struct pipe_ctx *pipe_ctx,
192 const struct dc_stream_state *stream)
193{
194 int mpcc_id = pipe_ctx->plane_res.hubp->inst;
195 struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc;
196 struct pwl_params *params = NULL((void *)0);
197 bool_Bool ret = false0;
198
199 /* program OGAM or 3DLUT only for the top pipe*/
200 if (pipe_ctx->top_pipe == NULL((void *)0)) {
201 /*program rmu shaper and 3dlut in MPC*/
202 ret = dcn30_set_mpc_shaper_3dlut(pipe_ctx, stream);
203 if (ret == false0 && mpc->funcs->set_output_gamma && stream->out_transfer_func) {
204 if (stream->out_transfer_func->type == TF_TYPE_HWPWL)
205 params = &stream->out_transfer_func->pwl;
206 else if (pipe_ctx->stream->out_transfer_func->type ==
207 TF_TYPE_DISTRIBUTED_POINTS &&
208 cm3_helper_translate_curve_to_hw_format(
209 stream->out_transfer_func,
210 &mpc->blender_params, false0))
211 params = &mpc->blender_params;
212 /* there are no ROM LUTs in OUTGAM */
213 if (stream->out_transfer_func->type == TF_TYPE_PREDEFINED)
214 BREAK_TO_DEBUGGER()do { ___drm_dbg(((void *)0), DRM_UT_DRIVER, "%s():%d\n", __func__
, 214); do {} while (0); } while (0);
215 }
216 }
217
218 mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
219 return ret;
220}
221
222static void dcn30_set_writeback(
223 struct dc *dc,
224 struct dc_writeback_info *wb_info,
225 struct dc_state *context)
226{
227 struct mcif_wb *mcif_wb;
228 struct mcif_buf_params *mcif_buf_params;
229
230 ASSERT(wb_info->dwb_pipe_inst < MAX_DWB_PIPES)do { if (({ static int __warned; int __ret = !!(!(wb_info->
dwb_pipe_inst < 1)); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(wb_info->dwb_pipe_inst < 1)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 230); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
231 ASSERT(wb_info->wb_enabled)do { if (({ static int __warned; int __ret = !!(!(wb_info->
wb_enabled)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(wb_info->wb_enabled)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 231); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
232 ASSERT(wb_info->mpcc_inst >= 0)do { if (({ static int __warned; int __ret = !!(!(wb_info->
mpcc_inst >= 0)); if (__ret && !__warned) { printf
("WARNING %s failed at %s:%d\n", "!(wb_info->mpcc_inst >= 0)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 232); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
233 ASSERT(wb_info->mpcc_inst < dc->res_pool->mpcc_count)do { if (({ static int __warned; int __ret = !!(!(wb_info->
mpcc_inst < dc->res_pool->mpcc_count)); if (__ret &&
!__warned) { printf("WARNING %s failed at %s:%d\n", "!(wb_info->mpcc_inst < dc->res_pool->mpcc_count)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 233); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
234 mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
235 mcif_buf_params = &wb_info->mcif_buf_params;
236
237 /* set DWB MPC mux */
238 dc->res_pool->mpc->funcs->set_dwb_mux(dc->res_pool->mpc,
239 wb_info->dwb_pipe_inst, wb_info->mpcc_inst);
240 /* set MCIF_WB buffer and arbitration configuration */
241 mcif_wb->funcs->config_mcif_buf(mcif_wb, mcif_buf_params, wb_info->dwb_params.dest_height);
242 mcif_wb->funcs->config_mcif_arb(mcif_wb, &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[wb_info->dwb_pipe_inst]);
243}
244
245void dcn30_update_writeback(
246 struct dc *dc,
247 struct dc_writeback_info *wb_info,
248 struct dc_state *context)
249{
250 struct dwbc *dwb;
251 dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
252 DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d, mpcc_inst = %d"
, __func__, wb_info->dwb_pipe_inst, wb_info->mpcc_inst)
253 __func__, wb_info->dwb_pipe_inst,\___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d, mpcc_inst = %d"
, __func__, wb_info->dwb_pipe_inst, wb_info->mpcc_inst)
254 wb_info->mpcc_inst)___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d, mpcc_inst = %d"
, __func__, wb_info->dwb_pipe_inst, wb_info->mpcc_inst);
255
256 dcn30_set_writeback(dc, wb_info, context);
257
258 /* update DWB */
259 dwb->funcs->update(dwb, &wb_info->dwb_params);
260}
261
262bool_Bool dcn30_mmhubbub_warmup(
263 struct dc *dc,
264 unsigned int num_dwb,
265 struct dc_writeback_info *wb_info)
266{
267 struct dwbc *dwb;
268 struct mcif_wb *mcif_wb;
269 struct mcif_warmup_params warmup_params = {0};
270 unsigned int i, i_buf;
271 /*make sure there is no active DWB eanbled */
272 for (i = 0; i < num_dwb; i++) {
273 dwb = dc->res_pool->dwbc[wb_info[i].dwb_pipe_inst];
274 if (dwb->dwb_is_efc_transition || dwb->dwb_is_drc) {
275 /*can not do warmup while any dwb enabled*/
276 return false0;
277 }
278 }
279
280 if (wb_info->mcif_warmup_params.p_vmid == 0)
281 return false0;
282
283 /*check whether this is new interface: warmup big buffer once*/
284 if (wb_info->mcif_warmup_params.start_address.quad_part != 0 &&
285 wb_info->mcif_warmup_params.region_size != 0) {
286 /*mmhubbub is shared, so it does not matter which MCIF*/
287 mcif_wb = dc->res_pool->mcif_wb[0];
288 /*warmup a big chunk of VM buffer at once*/
289 warmup_params.start_address.quad_part = wb_info->mcif_warmup_params.start_address.quad_part;
290 warmup_params.address_increment = wb_info->mcif_warmup_params.region_size;
291 warmup_params.region_size = wb_info->mcif_warmup_params.region_size;
292 warmup_params.p_vmid = wb_info->mcif_warmup_params.p_vmid;
293
294 if (warmup_params.address_increment == 0)
295 warmup_params.address_increment = dc->dml.soc.vmm_page_size_bytes;
296
297 mcif_wb->funcs->warmup_mcif(mcif_wb, &warmup_params);
298 return true1;
299 }
300 /*following is the original: warmup each DWB's mcif buffer*/
301 for (i = 0; i < num_dwb; i++) {
302 dwb = dc->res_pool->dwbc[wb_info[i].dwb_pipe_inst];
303 mcif_wb = dc->res_pool->mcif_wb[wb_info[i].dwb_pipe_inst];
304 /*warmup is for VM mode only*/
305 if (wb_info[i].mcif_buf_params.p_vmid == 0)
306 return false0;
307
308 /* Warmup MCIF_WB */
309 for (i_buf = 0; i_buf < MCIF_BUF_COUNT4; i_buf++) {
310 warmup_params.start_address.quad_part = wb_info[i].mcif_buf_params.luma_address[i_buf];
311 warmup_params.address_increment = dc->dml.soc.vmm_page_size_bytes;
312 warmup_params.region_size = wb_info[i].mcif_buf_params.luma_pitch * wb_info[i].dwb_params.dest_height;
313 warmup_params.p_vmid = wb_info[i].mcif_buf_params.p_vmid;
314 mcif_wb->funcs->warmup_mcif(mcif_wb, &warmup_params);
315 }
316 }
317 return true1;
318}
319
320void dcn30_enable_writeback(
321 struct dc *dc,
322 struct dc_writeback_info *wb_info,
323 struct dc_state *context)
324{
325 struct dwbc *dwb;
326 struct mcif_wb *mcif_wb;
327 struct timing_generator *optc;
328
329 dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
330 mcif_wb = dc->res_pool->mcif_wb[wb_info->dwb_pipe_inst];
331
332 /* set the OPTC source mux */
333 optc = dc->res_pool->timing_generators[dwb->otg_inst];
334 DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d, mpcc_inst = %d"
, __func__, wb_info->dwb_pipe_inst, wb_info->mpcc_inst)
335 __func__, wb_info->dwb_pipe_inst,\___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d, mpcc_inst = %d"
, __func__, wb_info->dwb_pipe_inst, wb_info->mpcc_inst)
336 wb_info->mpcc_inst)___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d, mpcc_inst = %d"
, __func__, wb_info->dwb_pipe_inst, wb_info->mpcc_inst);
337 if (IS_DIAG_DC(dc->ctx->dce_environment)((dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) || (
dc->ctx->dce_environment == DCE_ENV_DIAG))) {
338 /*till diags switch to warmup interface*/
339 dcn30_mmhubbub_warmup(dc, 1, wb_info);
340 }
341 /* Update writeback pipe */
342 dcn30_set_writeback(dc, wb_info, context);
343
344 /* Enable MCIF_WB */
345 mcif_wb->funcs->enable_mcif(mcif_wb);
346 /* Enable DWB */
347 dwb->funcs->enable(dwb, &wb_info->dwb_params);
348}
349
350void dcn30_disable_writeback(
351 struct dc *dc,
352 unsigned int dwb_pipe_inst)
353{
354 struct dwbc *dwb;
355 struct mcif_wb *mcif_wb;
356
357 ASSERT(dwb_pipe_inst < MAX_DWB_PIPES)do { if (({ static int __warned; int __ret = !!(!(dwb_pipe_inst
< 1)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(dwb_pipe_inst < 1)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 357); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
358 dwb = dc->res_pool->dwbc[dwb_pipe_inst];
359 mcif_wb = dc->res_pool->mcif_wb[dwb_pipe_inst];
360 DC_LOG_DWB("%s dwb_pipe_inst = %d",\___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d", __func__
, dwb_pipe_inst)
361 __func__, dwb_pipe_inst)___drm_dbg(((void *)0), DRM_UT_KMS, "%s dwb_pipe_inst = %d", __func__
, dwb_pipe_inst);
362
363 /* disable DWB */
364 dwb->funcs->disable(dwb);
365 /* disable MCIF */
366 mcif_wb->funcs->disable_mcif(mcif_wb);
367 /* disable MPC DWB mux */
368 dc->res_pool->mpc->funcs->disable_dwb_mux(dc->res_pool->mpc, dwb_pipe_inst);
369}
370
371void dcn30_program_all_writeback_pipes_in_tree(
372 struct dc *dc,
373 const struct dc_stream_state *stream,
374 struct dc_state *context)
375{
376 struct dc_writeback_info wb_info;
377 struct dwbc *dwb;
378 struct dc_stream_status *stream_status = NULL((void *)0);
379 int i_wb, i_pipe, i_stream;
380 DC_LOG_DWB("%s", __func__)___drm_dbg(((void *)0), DRM_UT_KMS, "%s", __func__);
381
382 ASSERT(stream)do { if (({ static int __warned; int __ret = !!(!(stream)); if
(__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(stream)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 382); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
383 for (i_stream = 0; i_stream < context->stream_count; i_stream++) {
384 if (context->streams[i_stream] == stream) {
385 stream_status = &context->stream_status[i_stream];
386 break;
387 }
388 }
389 ASSERT(stream_status)do { if (({ static int __warned; int __ret = !!(!(stream_status
)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(stream_status)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 389); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
390
391 ASSERT(stream->num_wb_info <= dc->res_pool->res_cap->num_dwb)do { if (({ static int __warned; int __ret = !!(!(stream->
num_wb_info <= dc->res_pool->res_cap->num_dwb)); if
(__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(stream->num_wb_info <= dc->res_pool->res_cap->num_dwb)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 391); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
392 /* For each writeback pipe */
393 for (i_wb = 0; i_wb < stream->num_wb_info; i_wb++) {
394
395 /* copy writeback info to local non-const so mpcc_inst can be set */
396 wb_info = stream->writeback_info[i_wb];
397 if (wb_info.wb_enabled) {
398
399 /* get the MPCC instance for writeback_source_plane */
400 wb_info.mpcc_inst = -1;
401 for (i_pipe = 0; i_pipe < dc->res_pool->pipe_count; i_pipe++) {
402 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i_pipe];
403
404 if (!pipe_ctx->plane_state)
405 continue;
406
407 if (pipe_ctx->plane_state == wb_info.writeback_source_plane) {
408 wb_info.mpcc_inst = pipe_ctx->plane_res.mpcc_inst;
409 break;
410 }
411 }
412
413 if (wb_info.mpcc_inst == -1) {
414 /* Disable writeback pipe and disconnect from MPCC
415 * if source plane has been removed
416 */
417 dc->hwss.disable_writeback(dc, wb_info.dwb_pipe_inst);
418 continue;
419 }
420
421 ASSERT(wb_info.dwb_pipe_inst < dc->res_pool->res_cap->num_dwb)do { if (({ static int __warned; int __ret = !!(!(wb_info.dwb_pipe_inst
< dc->res_pool->res_cap->num_dwb)); if (__ret &&
!__warned) { printf("WARNING %s failed at %s:%d\n", "!(wb_info.dwb_pipe_inst < dc->res_pool->res_cap->num_dwb)"
, "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 421); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
422 dwb = dc->res_pool->dwbc[wb_info.dwb_pipe_inst];
423 if (dwb->funcs->is_enabled(dwb)) {
424 /* writeback pipe already enabled, only need to update */
425 dc->hwss.update_writeback(dc, &wb_info, context);
426 } else {
427 /* Enable writeback pipe and connect to MPCC */
428 dc->hwss.enable_writeback(dc, &wb_info, context);
429 }
430 } else {
431 /* Disable writeback pipe and disconnect from MPCC */
432 dc->hwss.disable_writeback(dc, wb_info.dwb_pipe_inst);
433 }
434 }
435}
436
437void dcn30_init_hw(struct dc *dc)
438{
439 struct abm **abms = dc->res_pool->multiple_abms;
440 struct dce_hwseq *hws = dc->hwseq;
441 struct dc_bios *dcb = dc->ctx->dc_bios;
442 struct resource_pool *res_pool = dc->res_pool;
443 int i;
444 int edp_num;
445 uint32_t backlight = MAX_BACKLIGHT_LEVEL0xFFFF;
446
447 if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
448 dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
449
450 // Initialize the dccg
451 if (res_pool->dccg->funcs->dccg_init)
452 res_pool->dccg->funcs->dccg_init(res_pool->dccg);
453
454 if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)(dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS)) {
455
456 REG_WRITE(REFCLK_CNTL, 0)dm_write_reg_func(hws->ctx, hws->regs->REFCLK_CNTL, 0
, __func__);
457 REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1)generic_reg_update_ex(hws->ctx, hws->regs->DCHUBBUB_GLOBAL_TIMER_CNTL
, 1, hws->shifts->DCHUBBUB_GLOBAL_TIMER_ENABLE, hws->
masks->DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
458 REG_WRITE(DIO_MEM_PWR_CTRL, 0)dm_write_reg_func(hws->ctx, hws->regs->DIO_MEM_PWR_CTRL
, 0, __func__);
459
460 if (!dc->debug.disable_clock_gate) {
461 /* enable all DCN clock gating */
462 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0)dm_write_reg_func(hws->ctx, hws->regs->DCCG_GATE_DISABLE_CNTL
, 0, __func__);
463
464 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0)dm_write_reg_func(hws->ctx, hws->regs->DCCG_GATE_DISABLE_CNTL2
, 0, __func__);
465
466 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0)generic_reg_update_ex(hws->ctx, hws->regs->DCFCLK_CNTL
, 1, hws->shifts->DCFCLK_GATE_DIS, hws->masks->DCFCLK_GATE_DIS
, 0);
467 }
468
469 //Enable ability to power gate / don't force power on permanently
470 if (hws->funcs.enable_power_gating_plane)
471 hws->funcs.enable_power_gating_plane(hws, true1);
472
473 return;
474 }
475
476 if (!dcb->funcs->is_accelerated_mode(dcb)) {
477 hws->funcs.bios_golden_init(dc);
478 hws->funcs.disable_vga(dc->hwseq);
479 }
480
481 if (dc->debug.enable_mem_low_power.bits.dmcu) {
482 // Force ERAM to shutdown if DMCU is not enabled
483 if (dc->debug.disable_dmcu || dc->config.disable_dmcu) {
484 REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3)generic_reg_update_ex(hws->ctx, hws->regs->DMU_MEM_PWR_CNTL
, 1, hws->shifts->DMCU_ERAM_MEM_PWR_FORCE, hws->masks
->DMCU_ERAM_MEM_PWR_FORCE, 3);
485 }
486 }
487
488 // Set default OPTC memory power states
489 if (dc->debug.enable_mem_low_power.bits.optc) {
490 // Shutdown when unassigned and light sleep in VBLANK
491 REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1)generic_reg_set_ex(hws->ctx, hws->regs->ODM_MEM_PWR_CTRL3
, 0, 2, hws->shifts->ODM_MEM_UNASSIGNED_PWR_MODE, hws->
masks->ODM_MEM_UNASSIGNED_PWR_MODE, 3, hws->shifts->
ODM_MEM_VBLANK_PWR_MODE, hws->masks->ODM_MEM_VBLANK_PWR_MODE
, 1);
492 }
493
494 if (dc->ctx->dc_bios->fw_info_valid) {
495 res_pool->ref_clocks.xtalin_clock_inKhz =
496 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
497
498 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)(dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS)) {
499 if (res_pool->dccg && res_pool->hubbub) {
500
501 (res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
502 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
503 &res_pool->ref_clocks.dccg_ref_clock_inKhz);
504
505 (res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
506 res_pool->ref_clocks.dccg_ref_clock_inKhz,
507 &res_pool->ref_clocks.dchub_ref_clock_inKhz);
508 } else {
509 // Not all ASICs have DCCG sw component
510 res_pool->ref_clocks.dccg_ref_clock_inKhz =
511 res_pool->ref_clocks.xtalin_clock_inKhz;
512 res_pool->ref_clocks.dchub_ref_clock_inKhz =
513 res_pool->ref_clocks.xtalin_clock_inKhz;
514 }
515 }
516 } else
517 ASSERT_CRITICAL(false)do { if (({ int __ret = !!(!(0)); if (__ret) printf("WARNING %s failed at %s:%d\n"
, "!(0)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 517); __builtin_expect(!!(__ret), 0); })) do {} while (0); }
while (0);
518
519 for (i = 0; i < dc->link_count; i++) {
520 /* Power up AND update implementation according to the
521 * required signal (which may be different from the
522 * default signal on connector).
523 */
524 struct dc_link *link = dc->links[i];
525
526 link->link_enc->funcs->hw_init(link->link_enc);
527
528 /* Check for enabled DIG to identify enabled display */
529 if (link->link_enc->funcs->is_dig_enabled &&
530 link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
531 link->link_status.link_active = true1;
532 if (link->link_enc->funcs->fec_is_active &&
533 link->link_enc->funcs->fec_is_active(link->link_enc))
534 link->fec_state = dc_link_fec_enabled;
535 }
536 }
537
538 /* Power gate DSCs */
539 for (i = 0; i < res_pool->res_cap->num_dsc; i++)
540 if (hws->funcs.dsc_pg_control != NULL((void *)0))
541 hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false0);
542
543 /* we want to turn off all dp displays before doing detection */
544 dc_link_blank_all_dp_displays(dc);
545
546 if (hws->funcs.enable_power_gating_plane)
547 hws->funcs.enable_power_gating_plane(dc->hwseq, true1);
548
549 /* If taking control over from VBIOS, we may want to optimize our first
550 * mode set, so we need to skip powering down pipes until we know which
551 * pipes we want to use.
552 * Otherwise, if taking control is not possible, we need to power
553 * everything down.
554 */
555 if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
556 hws->funcs.init_pipes(dc, dc->current_state);
557 if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
558 dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
559 !dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
560 }
561
562 /* In headless boot cases, DIG may be turned
563 * on which causes HW/SW discrepancies.
564 * To avoid this, power down hardware on boot
565 * if DIG is turned on and seamless boot not enabled
566 */
567 if (!dc->config.seamless_boot_edp_requested) {
568 struct dc_link *edp_links[MAX_NUM_EDP2];
569 struct dc_link *edp_link = NULL((void *)0);
570
571 get_edp_links(dc, edp_links, &edp_num);
572 if (edp_num)
573 edp_link = edp_links[0];
574 if (edp_link && edp_link->link_enc->funcs->is_dig_enabled &&
575 edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
576 dc->hwss.edp_backlight_control &&
577 dc->hwss.power_down &&
578 dc->hwss.edp_power_control) {
579 dc->hwss.edp_backlight_control(edp_link, false0);
580 dc->hwss.power_down(dc);
581 dc->hwss.edp_power_control(edp_link, false0);
582 } else {
583 for (i = 0; i < dc->link_count; i++) {
584 struct dc_link *link = dc->links[i];
585
586 if (link->link_enc->funcs->is_dig_enabled &&
587 link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
588 dc->hwss.power_down) {
589 dc->hwss.power_down(dc);
590 break;
591 }
592
593 }
594 }
595 }
596
597 for (i = 0; i < res_pool->audio_count; i++) {
598 struct audio *audio = res_pool->audios[i];
599
600 audio->funcs->hw_init(audio);
601 }
602
603 for (i = 0; i < dc->link_count; i++) {
604 struct dc_link *link = dc->links[i];
605
606 if (link->panel_cntl)
607 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
608 }
609
610 for (i = 0; i < dc->res_pool->pipe_count; i++) {
611 if (abms[i] != NULL((void *)0))
612 abms[i]->funcs->abm_init(abms[i], backlight);
613 }
614
615 /* power AFMT HDMI memory TODO: may move to dis/en output save power*/
616 REG_WRITE(DIO_MEM_PWR_CTRL, 0)dm_write_reg_func(hws->ctx, hws->regs->DIO_MEM_PWR_CTRL
, 0, __func__);
617
618 if (!dc->debug.disable_clock_gate) {
619 /* enable all DCN clock gating */
620 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0)dm_write_reg_func(hws->ctx, hws->regs->DCCG_GATE_DISABLE_CNTL
, 0, __func__);
621
622 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0)dm_write_reg_func(hws->ctx, hws->regs->DCCG_GATE_DISABLE_CNTL2
, 0, __func__);
623
624 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0)generic_reg_update_ex(hws->ctx, hws->regs->DCFCLK_CNTL
, 1, hws->shifts->DCFCLK_GATE_DIS, hws->masks->DCFCLK_GATE_DIS
, 0);
625 }
626
627 if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
628 dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
629
630 if (dc->clk_mgr->funcs->notify_wm_ranges)
631 dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
632
633 //if softmax is enabled then hardmax will be set by a different call
634 if (dc->clk_mgr->funcs->set_hard_max_memclk && !dc->clk_mgr->dc_mode_softmax_enabled)
635 dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
636
637 if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
638 dc->res_pool->hubbub->funcs->force_pstate_change_control(
639 dc->res_pool->hubbub, false0, false0);
640 if (dc->res_pool->hubbub->funcs->init_crb)
641 dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
642
643 // Get DMCUB capabilities
644 dc_dmub_srv_query_caps_cmd(dc->ctx->dmub_srv->dmub);
645 dc->caps.dmub_caps.psr = dc->ctx->dmub_srv->dmub->feature_caps.psr;
646 dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch;
647}
648
649void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool_Bool enable)
650{
651 if (pipe_ctx == NULL((void *)0))
652 return;
653
654 if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL((void *)0))
655 pipe_ctx->stream_res.stream_enc->funcs->set_avmute(
656 pipe_ctx->stream_res.stream_enc,
657 enable);
658}
659
660void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx)
661{
662 bool_Bool is_hdmi_tmds;
663 bool_Bool is_dp;
664
665 ASSERT(pipe_ctx->stream)do { if (({ static int __warned; int __ret = !!(!(pipe_ctx->
stream)); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(pipe_ctx->stream)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 665); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
666
667 if (pipe_ctx->stream_res.stream_enc == NULL((void *)0))
668 return; /* this is not root pipe */
669
670 is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal);
671 is_dp = dc_is_dp_signal(pipe_ctx->stream->signal);
672
673 if (!is_hdmi_tmds && !is_dp)
674 return;
675
676 if (is_hdmi_tmds)
677 pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets(
678 pipe_ctx->stream_res.stream_enc,
679 &pipe_ctx->stream_res.encoder_info_frame);
680 else
681 pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets(
682 pipe_ctx->stream_res.stream_enc,
683 &pipe_ctx->stream_res.encoder_info_frame);
684}
685
686void dcn30_program_dmdata_engine(struct pipe_ctx *pipe_ctx)
687{
688 struct dc_stream_state *stream = pipe_ctx->stream;
689 struct hubp *hubp = pipe_ctx->plane_res.hubp;
690 bool_Bool enable = false0;
691 struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
692 enum dynamic_metadata_mode mode = dc_is_dp_signal(stream->signal)
693 ? dmdata_dp
694 : dmdata_hdmi;
695
696 /* if using dynamic meta, don't set up generic infopackets */
697 if (pipe_ctx->stream->dmdata_address.quad_part != 0) {
698 pipe_ctx->stream_res.encoder_info_frame.hdrsmd.valid = false0;
699 enable = true1;
700 }
701
702 if (!hubp)
703 return;
704
705 if (!stream_enc || !stream_enc->funcs->set_dynamic_metadata)
706 return;
707
708 stream_enc->funcs->set_dynamic_metadata(stream_enc, enable,
709 hubp->inst, mode);
710}
711
712bool_Bool dcn30_apply_idle_power_optimizations(struct dc *dc, bool_Bool enable)
713{
714 union dmub_rb_cmd cmd;
715 uint32_t tmr_delay = 0, tmr_scale = 0;
716 struct dc_cursor_attributes cursor_attr;
717 bool_Bool cursor_cache_enable = false0;
718 struct dc_stream_state *stream = NULL((void *)0);
719 struct dc_plane_state *plane = NULL((void *)0);
720
721 if (!dc->ctx->dmub_srv)
1
Assuming field 'dmub_srv' is non-null
→
2
←
Taking false branch
→
722 return false0;
723
724 if (enable) {
3
←
Assuming 'enable' is true
→
4
←
Taking true branch
→
725 if (dc->current_state) {
5
←
Assuming field 'current_state' is non-null
→
6
←
Taking true branch
→
726 int i;
727
728 /* First, check no-memory-requests case */
729 for (i = 0; i < dc->current_state->stream_count; i++) {
7
←
Assuming 'i' is < field 'stream_count'
→
8
←
Loop condition is true. Entering loop body
→
730 if (dc->current_state->stream_status[i].plane_count)
9
←
Assuming field 'plane_count' is not equal to 0
→
10
←
Taking true branch
→
731 /* Fail eligibility on a visible stream */
732 break;
733 }
734
735 if (i
11.1
'i' is not equal to field 'stream_count'
 == dc->current_state->stream_count) {
11
←
 Execution continues on line 735
→
12
←
Taking false branch
→
736 /* Enable no-memory-requests case */
737 memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd)));
738 cmd.mall.header.type = DMUB_CMD__MALL;
739 cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_NO_DF_REQ;
740 cmd.mall.header.payload_bytes = sizeof(cmd.mall) - sizeof(cmd.mall.header);
741
742 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
743 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
744
745 return true1;
746 }
747
748 stream = dc->current_state->streams[0];
749 plane = (stream ? dc->current_state->stream_status[0].plane_states[0] : NULL((void *)0));
13
←
Assuming 'stream' is non-null
→
14
←
'?' condition is true
→
15
←
Value assigned to 'plane'
→
750
751 if (stream
15.1
'stream' is non-null
 && plane) {
16
←
Assuming 'plane' is null
→
17
←
Assuming pointer value is null
→
752 cursor_cache_enable = stream->cursor_position.enable &&
753 plane->address.grph.cursor_cache_addr.quad_part;
754 cursor_attr = stream->cursor_attributes;
755 }
756
757 /*
758 * Second, check MALL eligibility
759 *
760 * single display only, single surface only, 8 and 16 bit formats only, no VM,
761 * do not use MALL for displays that support PSR as they use D0i3.2 in DMCUB FW
762 *
763 * TODO: When we implement multi-display, PSR displays will be allowed if there is
764 * a non-PSR display present, since in that case we can't do D0i3.2
765 */
766 if (dc->current_state->stream_count == 1 &&
18
←
Assuming field 'stream_count' is equal to 1
→
767 stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED &&
19
←
Assuming field 'psr_version' is equal to DC_PSR_VERSION_UNSUPPORTED
→
768 dc->current_state->stream_status[0].plane_count == 1 &&
20
←
Assuming field 'plane_count' is equal to 1
→
769 plane->format <= SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F &&
21
←
Access to field 'format' results in a dereference of a null pointer (loaded from variable 'plane')
770 plane->format >= SURFACE_PIXEL_FORMAT_GRPH_ARGB8888 &&
771 plane->address.page_table_base.quad_part == 0 &&
772 dc->hwss.does_plane_fit_in_mall &&
773 dc->hwss.does_plane_fit_in_mall(dc, plane,
774 cursor_cache_enable ? &cursor_attr : NULL((void *)0))) {
775 unsigned int v_total = stream->adjust.v_total_max ?
776 stream->adjust.v_total_max : stream->timing.v_total;
777 unsigned int refresh_hz = div_u64((unsigned long long) stream->timing.pix_clk_100hz *
778 100LL, (v_total * stream->timing.h_total));
779
780 /*
781 * one frame time in microsec:
782 * Delay_Us = 1000000 / refresh
783 * dynamic_delay_us = 1000000 / refresh + 2 * stutter_period
784 *
785 * one frame time modified by 'additional timer percent' (p):
786 * Delay_Us_modified = dynamic_delay_us + dynamic_delay_us * p / 100
787 * = dynamic_delay_us * (1 + p / 100)
788 * = (1000000 / refresh + 2 * stutter_period) * (100 + p) / 100
789 * = (1000000 + 2 * stutter_period * refresh) * (100 + p) / (100 * refresh)
790 *
791 * formula for timer duration based on parameters, from regspec:
792 * dynamic_delay_us = 65.28 * (64 + MallFrameCacheTmrDly) * 2^MallFrameCacheTmrScale
793 *
794 * dynamic_delay_us / 65.28 = (64 + MallFrameCacheTmrDly) * 2^MallFrameCacheTmrScale
795 * (dynamic_delay_us / 65.28) / 2^MallFrameCacheTmrScale = 64 + MallFrameCacheTmrDly
796 * MallFrameCacheTmrDly = ((dynamic_delay_us / 65.28) / 2^MallFrameCacheTmrScale) - 64
797 * = (1000000 + 2 * stutter_period * refresh) * (100 + p) / (100 * refresh) / 65.28 / 2^MallFrameCacheTmrScale - 64
798 * = (1000000 + 2 * stutter_period * refresh) * (100 + p) / (refresh * 6528 * 2^MallFrameCacheTmrScale) - 64
799 *
800 * need to round up the result of the division before the subtraction
801 */
802 unsigned int denom = refresh_hz * 6528;
803 unsigned int stutter_period = dc->current_state->perf_params.stutter_period_us;
804
805 tmr_delay = div_u64(((1000000LL + 2 * stutter_period * refresh_hz) *
806 (100LL + dc->debug.mall_additional_timer_percent) + denom - 1),
807 denom) - 64LL;
808
809 /* In some cases the stutter period is really big (tiny modes) in these
810 * cases MALL cant be enabled, So skip these cases to avoid a ASSERT()
811 *
812 * We can check if stutter_period is more than 1/10th the frame time to
813 * consider if we can actually meet the range of hysteresis timer
814 */
815 if (stutter_period > 100000/refresh_hz)
816 return false0;
817
818 /* scale should be increased until it fits into 6 bits */
819 while (tmr_delay & ~0x3F) {
820 tmr_scale++;
821
822 if (tmr_scale > 3) {
823 /* Delay exceeds range of hysteresis timer */
824 ASSERT(false)do { if (({ static int __warned; int __ret = !!(!(0)); if (__ret
&& !__warned) { printf("WARNING %s failed at %s:%d\n"
, "!(0)", "/usr/src/sys/dev/pci/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
, 824); __warned = 1; } __builtin_expect(!!(__ret), 0); })) do
{} while (0); } while (0);
825 return false0;
826 }
827
828 denom *= 2;
829 tmr_delay = div_u64(((1000000LL + 2 * stutter_period * refresh_hz) *
830 (100LL + dc->debug.mall_additional_timer_percent) + denom - 1),
831 denom) - 64LL;
832 }
833
834 /* Copy HW cursor */
835 if (cursor_cache_enable) {
836 memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd)));
837 cmd.mall.header.type = DMUB_CMD__MALL;
838 cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_COPY_CURSOR;
839 cmd.mall.header.payload_bytes =
840 sizeof(cmd.mall) - sizeof(cmd.mall.header);
841
842 switch (cursor_attr.color_format) {
843 case CURSOR_MODE_MONO:
844 cmd.mall.cursor_bpp = 2;
845 break;
846 case CURSOR_MODE_COLOR_1BIT_AND:
847 case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
848 case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
849 cmd.mall.cursor_bpp = 32;
850 break;
851
852 case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
853 case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
854 cmd.mall.cursor_bpp = 64;
855 break;
856 }
857
858 cmd.mall.cursor_copy_src.quad_part = cursor_attr.address.quad_part;
859 cmd.mall.cursor_copy_dst.quad_part =
860 (plane->address.grph.cursor_cache_addr.quad_part + 2047) & ~2047;
861 cmd.mall.cursor_width = cursor_attr.width;
862 cmd.mall.cursor_height = cursor_attr.height;
863 cmd.mall.cursor_pitch = cursor_attr.pitch;
864
865 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
866 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
867 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
868
869 /* Use copied cursor, and it's okay to not switch back */
870 cursor_attr.address.quad_part = cmd.mall.cursor_copy_dst.quad_part;
871 dc_stream_set_cursor_attributes(stream, &cursor_attr);
872 }
873
874 /* Enable MALL */
875 memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd)));
876 cmd.mall.header.type = DMUB_CMD__MALL;
877 cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_ALLOW;
878 cmd.mall.header.payload_bytes = sizeof(cmd.mall) - sizeof(cmd.mall.header);
879 cmd.mall.tmr_delay = tmr_delay;
880 cmd.mall.tmr_scale = tmr_scale;
881 cmd.mall.debug_bits = dc->debug.mall_error_as_fatal;
882
883 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
884 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
885
886 return true1;
887 }
888 }
889
890 /* No applicable optimizations */
891 return false0;
892 }
893
894 /* Disable MALL */
895 memset(&cmd, 0, sizeof(cmd))__builtin_memset((&cmd), (0), (sizeof(cmd)));
896 cmd.mall.header.type = DMUB_CMD__MALL;
897 cmd.mall.header.sub_type = DMUB_CMD__MALL_ACTION_DISALLOW;
898 cmd.mall.header.payload_bytes =
899 sizeof(cmd.mall) - sizeof(cmd.mall.header);
900
901 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
902 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
903 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
904
905 return true1;
906}
907
908bool_Bool dcn30_does_plane_fit_in_mall(struct dc *dc, struct dc_plane_state *plane, struct dc_cursor_attributes *cursor_attr)
909{
910 // add meta size?
911 unsigned int surface_size = plane->plane_size.surface_pitch * plane->plane_size.surface_size.height *
912 (plane->format >= SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616 ? 8 : 4);
913 unsigned int mall_size = dc->caps.mall_size_total;
914 unsigned int cursor_size = 0;
915
916 if (dc->debug.mall_size_override)
917 mall_size = 1024 * 1024 * dc->debug.mall_size_override;
918
919 if (cursor_attr) {
920 cursor_size = dc->caps.max_cursor_size * dc->caps.max_cursor_size;
921
922 switch (cursor_attr->color_format) {
923 case CURSOR_MODE_MONO:
924 cursor_size /= 2;
925 break;
926 case CURSOR_MODE_COLOR_1BIT_AND:
927 case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA:
928 case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
929 cursor_size *= 4;
930 break;
931
932 case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED:
933 case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED:
934 cursor_size *= 8;
935 break;
936 }
937 }
938
939 return (surface_size + cursor_size) < mall_size;
940}
941
942void dcn30_hardware_release(struct dc *dc)
943{
944 bool_Bool subvp_in_use = false0;
945 uint32_t i;
946
947 dc_dmub_srv_p_state_delegate(dc, false0, NULL((void *)0));
948 dc_dmub_setup_subvp_dmub_command(dc, dc->current_state, false0);
949
950 /* SubVP treated the same way as FPO. If driver disable and
951 * we are using a SubVP config, disable and force on DCN side
952 * to prevent P-State hang on driver enable.
953 */
954 for (i = 0; i < dc->res_pool->pipe_count; i++) {
955 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
956
957 if (!pipe->stream)
958 continue;
959
960 if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
961 subvp_in_use = true1;
962 break;
963 }
964 }
965 /* If pstate unsupported, or still supported
966 * by firmware, force it supported by dcn
967 */
968 if (dc->current_state)
969 if ((!dc->clk_mgr->clks.p_state_change_support || subvp_in_use ||
970 dc->current_state->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) &&
971 dc->res_pool->hubbub->funcs->force_pstate_change_control)
972 dc->res_pool->hubbub->funcs->force_pstate_change_control(
973 dc->res_pool->hubbub, true1, true1);
974}
975
976void dcn30_set_disp_pattern_generator(const struct dc *dc,
977 struct pipe_ctx *pipe_ctx,
978 enum controller_dp_test_pattern test_pattern,
979 enum controller_dp_color_space color_space,
980 enum dc_color_depth color_depth,
981 const struct tg_color *solid_color,
982 int width, int height, int offset)
983{
984 pipe_ctx->stream_res.opp->funcs->opp_set_disp_pattern_generator(pipe_ctx->stream_res.opp, test_pattern,
985 color_space, color_depth, solid_color, width, height, offset);
986}
987
988void dcn30_prepare_bandwidth(struct dc *dc,
989 struct dc_state *context)
990{
991 if (dc->clk_mgr->dc_mode_softmax_enabled)
992 if (dc->clk_mgr->clks.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
993 context->bw_ctx.bw.dcn.clk.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
994 dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
995
996 dcn20_prepare_bandwidth(dc, context);
997
998 dc_dmub_srv_p_state_delegate(dc,
999 context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching, context);
1000}
1001