Commit | Line | Data |
---|---|---|
e559355a | 1 | // SPDX-License-Identifier: GPL-2.0-only |
ad49f860 LD |
2 | /* |
3 | * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. | |
4 | * Author: Liviu Dudau <Liviu.Dudau@arm.com> | |
5 | * | |
ad49f860 LD |
6 | * ARM Mali DP500/DP550/DP650 driver (crtc operations) |
7 | */ | |
8 | ||
535d1b94 SR |
9 | #include <linux/clk.h> |
10 | #include <linux/pm_runtime.h> | |
11 | ||
12 | #include <video/videomode.h> | |
13 | ||
ad49f860 LD |
14 | #include <drm/drm_atomic.h> |
15 | #include <drm/drm_atomic_helper.h> | |
16 | #include <drm/drm_crtc.h> | |
535d1b94 | 17 | #include <drm/drm_print.h> |
fcd70cd3 | 18 | #include <drm/drm_probe_helper.h> |
535d1b94 | 19 | #include <drm/drm_vblank.h> |
ad49f860 LD |
20 | |
21 | #include "malidp_drv.h" | |
22 | #include "malidp_hw.h" | |
23 | ||
e2113c03 JA |
24 | static enum drm_mode_status malidp_crtc_mode_valid(struct drm_crtc *crtc, |
25 | const struct drm_display_mode *mode) | |
ad49f860 LD |
26 | { |
27 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); | |
28 | struct malidp_hw_device *hwdev = malidp->dev; | |
29 | ||
30 | /* | |
31 | * check that the hardware can drive the required clock rate, | |
32 | * but skip the check if the clock is meant to be disabled (req_rate = 0) | |
33 | */ | |
34 | long rate, req_rate = mode->crtc_clock * 1000; | |
35 | ||
36 | if (req_rate) { | |
ad49f860 LD |
37 | rate = clk_round_rate(hwdev->pxlclk, req_rate); |
38 | if (rate != req_rate) { | |
39 | DRM_DEBUG_DRIVER("pxlclk doesn't support %ld Hz\n", | |
40 | req_rate); | |
e2113c03 | 41 | return MODE_NOCLOCK; |
ad49f860 LD |
42 | } |
43 | } | |
44 | ||
e2113c03 | 45 | return MODE_OK; |
ad49f860 LD |
46 | } |
47 | ||
0b20a0f8 | 48 | static void malidp_crtc_atomic_enable(struct drm_crtc *crtc, |
351f950d | 49 | struct drm_atomic_state *state) |
ad49f860 LD |
50 | { |
51 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); | |
52 | struct malidp_hw_device *hwdev = malidp->dev; | |
53 | struct videomode vm; | |
85f64218 | 54 | int err = pm_runtime_get_sync(crtc->dev->dev); |
ad49f860 | 55 | |
85f64218 LD |
56 | if (err < 0) { |
57 | DRM_DEBUG_DRIVER("Failed to enable runtime power management: %d\n", err); | |
58 | return; | |
59 | } | |
ad49f860 | 60 | |
85f64218 | 61 | drm_display_mode_to_videomode(&crtc->state->adjusted_mode, &vm); |
ad49f860 LD |
62 | clk_prepare_enable(hwdev->pxlclk); |
63 | ||
9a8b0a23 | 64 | /* We rely on firmware to set mclk to a sensible level. */ |
ad49f860 LD |
65 | clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000); |
66 | ||
a6993b21 LD |
67 | hwdev->hw->modeset(hwdev, &vm); |
68 | hwdev->hw->leave_config_mode(hwdev); | |
ad49f860 LD |
69 | drm_crtc_vblank_on(crtc); |
70 | } | |
71 | ||
64581714 | 72 | static void malidp_crtc_atomic_disable(struct drm_crtc *crtc, |
351f950d | 73 | struct drm_atomic_state *state) |
ad49f860 | 74 | { |
351f950d MR |
75 | struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state, |
76 | crtc); | |
ad49f860 LD |
77 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); |
78 | struct malidp_hw_device *hwdev = malidp->dev; | |
85f64218 | 79 | int err; |
ad49f860 | 80 | |
54243016 LD |
81 | /* always disable planes on the CRTC that is being turned off */ |
82 | drm_atomic_helper_disable_planes_on_crtc(old_state, false); | |
83 | ||
ad49f860 | 84 | drm_crtc_vblank_off(crtc); |
a6993b21 LD |
85 | hwdev->hw->enter_config_mode(hwdev); |
86 | ||
ad49f860 | 87 | clk_disable_unprepare(hwdev->pxlclk); |
85f64218 LD |
88 | |
89 | err = pm_runtime_put(crtc->dev->dev); | |
90 | if (err < 0) { | |
91 | DRM_DEBUG_DRIVER("Failed to disable runtime power management: %d\n", err); | |
92 | } | |
ad49f860 LD |
93 | } |
94 | ||
02725d31 MA |
95 | static const struct gamma_curve_segment { |
96 | u16 start; | |
97 | u16 end; | |
98 | } segments[MALIDP_COEFFTAB_NUM_COEFFS] = { | |
99 | /* sector 0 */ | |
100 | { 0, 0 }, { 1, 1 }, { 2, 2 }, { 3, 3 }, | |
101 | { 4, 4 }, { 5, 5 }, { 6, 6 }, { 7, 7 }, | |
102 | { 8, 8 }, { 9, 9 }, { 10, 10 }, { 11, 11 }, | |
103 | { 12, 12 }, { 13, 13 }, { 14, 14 }, { 15, 15 }, | |
104 | /* sector 1 */ | |
105 | { 16, 19 }, { 20, 23 }, { 24, 27 }, { 28, 31 }, | |
106 | /* sector 2 */ | |
107 | { 32, 39 }, { 40, 47 }, { 48, 55 }, { 56, 63 }, | |
108 | /* sector 3 */ | |
109 | { 64, 79 }, { 80, 95 }, { 96, 111 }, { 112, 127 }, | |
110 | /* sector 4 */ | |
111 | { 128, 159 }, { 160, 191 }, { 192, 223 }, { 224, 255 }, | |
112 | /* sector 5 */ | |
113 | { 256, 319 }, { 320, 383 }, { 384, 447 }, { 448, 511 }, | |
114 | /* sector 6 */ | |
115 | { 512, 639 }, { 640, 767 }, { 768, 895 }, { 896, 1023 }, | |
116 | { 1024, 1151 }, { 1152, 1279 }, { 1280, 1407 }, { 1408, 1535 }, | |
117 | { 1536, 1663 }, { 1664, 1791 }, { 1792, 1919 }, { 1920, 2047 }, | |
118 | { 2048, 2175 }, { 2176, 2303 }, { 2304, 2431 }, { 2432, 2559 }, | |
119 | { 2560, 2687 }, { 2688, 2815 }, { 2816, 2943 }, { 2944, 3071 }, | |
120 | { 3072, 3199 }, { 3200, 3327 }, { 3328, 3455 }, { 3456, 3583 }, | |
121 | { 3584, 3711 }, { 3712, 3839 }, { 3840, 3967 }, { 3968, 4095 }, | |
122 | }; | |
123 | ||
124 | #define DE_COEFTAB_DATA(a, b) ((((a) & 0xfff) << 16) | (((b) & 0xfff))) | |
125 | ||
126 | static void malidp_generate_gamma_table(struct drm_property_blob *lut_blob, | |
127 | u32 coeffs[MALIDP_COEFFTAB_NUM_COEFFS]) | |
128 | { | |
129 | struct drm_color_lut *lut = (struct drm_color_lut *)lut_blob->data; | |
130 | int i; | |
131 | ||
132 | for (i = 0; i < MALIDP_COEFFTAB_NUM_COEFFS; ++i) { | |
133 | u32 a, b, delta_in, out_start, out_end; | |
134 | ||
135 | delta_in = segments[i].end - segments[i].start; | |
136 | /* DP has 12-bit internal precision for its LUTs. */ | |
137 | out_start = drm_color_lut_extract(lut[segments[i].start].green, | |
138 | 12); | |
139 | out_end = drm_color_lut_extract(lut[segments[i].end].green, 12); | |
140 | a = (delta_in == 0) ? 0 : ((out_end - out_start) * 256) / delta_in; | |
141 | b = out_start; | |
142 | coeffs[i] = DE_COEFTAB_DATA(a, b); | |
143 | } | |
144 | } | |
145 | ||
146 | /* | |
147 | * Check if there is a new gamma LUT and if it is of an acceptable size. Also, | |
148 | * reject any LUTs that use distinct red, green, and blue curves. | |
149 | */ | |
150 | static int malidp_crtc_atomic_check_gamma(struct drm_crtc *crtc, | |
151 | struct drm_crtc_state *state) | |
152 | { | |
153 | struct malidp_crtc_state *mc = to_malidp_crtc_state(state); | |
154 | struct drm_color_lut *lut; | |
155 | size_t lut_size; | |
156 | int i; | |
157 | ||
158 | if (!state->color_mgmt_changed || !state->gamma_lut) | |
159 | return 0; | |
160 | ||
161 | if (crtc->state->gamma_lut && | |
162 | (crtc->state->gamma_lut->base.id == state->gamma_lut->base.id)) | |
163 | return 0; | |
164 | ||
165 | if (state->gamma_lut->length % sizeof(struct drm_color_lut)) | |
166 | return -EINVAL; | |
167 | ||
168 | lut_size = state->gamma_lut->length / sizeof(struct drm_color_lut); | |
169 | if (lut_size != MALIDP_GAMMA_LUT_SIZE) | |
170 | return -EINVAL; | |
171 | ||
172 | lut = (struct drm_color_lut *)state->gamma_lut->data; | |
173 | for (i = 0; i < lut_size; ++i) | |
174 | if (!((lut[i].red == lut[i].green) && | |
175 | (lut[i].red == lut[i].blue))) | |
176 | return -EINVAL; | |
177 | ||
178 | if (!state->mode_changed) { | |
179 | int ret; | |
180 | ||
181 | state->mode_changed = true; | |
182 | /* | |
183 | * Kerneldoc for drm_atomic_helper_check_modeset mandates that | |
184 | * it be invoked when the driver sets ->mode_changed. Since | |
185 | * changing the gamma LUT doesn't depend on any external | |
186 | * resources, it is safe to call it only once. | |
187 | */ | |
188 | ret = drm_atomic_helper_check_modeset(crtc->dev, state->state); | |
189 | if (ret) | |
190 | return ret; | |
191 | } | |
192 | ||
193 | malidp_generate_gamma_table(state->gamma_lut, mc->gamma_coeffs); | |
194 | return 0; | |
195 | } | |
196 | ||
6954f245 MA |
197 | /* |
198 | * Check if there is a new CTM and if it contains valid input. Valid here means | |
199 | * that the number is inside the representable range for a Q3.12 number, | |
200 | * excluding truncating the fractional part of the input data. | |
201 | * | |
202 | * The COLORADJ registers can be changed atomically. | |
203 | */ | |
204 | static int malidp_crtc_atomic_check_ctm(struct drm_crtc *crtc, | |
205 | struct drm_crtc_state *state) | |
206 | { | |
207 | struct malidp_crtc_state *mc = to_malidp_crtc_state(state); | |
208 | struct drm_color_ctm *ctm; | |
209 | int i; | |
210 | ||
211 | if (!state->color_mgmt_changed) | |
212 | return 0; | |
213 | ||
214 | if (!state->ctm) | |
215 | return 0; | |
216 | ||
217 | if (crtc->state->ctm && (crtc->state->ctm->base.id == | |
218 | state->ctm->base.id)) | |
219 | return 0; | |
220 | ||
221 | /* | |
222 | * The size of the ctm is checked in | |
223 | * drm_atomic_replace_property_blob_from_id. | |
224 | */ | |
225 | ctm = (struct drm_color_ctm *)state->ctm->data; | |
226 | for (i = 0; i < ARRAY_SIZE(ctm->matrix); ++i) { | |
227 | /* Convert from S31.32 to Q3.12. */ | |
228 | s64 val = ctm->matrix[i]; | |
229 | u32 mag = ((((u64)val) & ~BIT_ULL(63)) >> 20) & | |
230 | GENMASK_ULL(14, 0); | |
231 | ||
232 | /* | |
233 | * Convert to 2s complement and check the destination's top bit | |
234 | * for overflow. NB: Can't check before converting or it'd | |
235 | * incorrectly reject the case: | |
236 | * sign == 1 | |
237 | * mag == 0x2000 | |
238 | */ | |
239 | if (val & BIT_ULL(63)) | |
240 | mag = ~mag + 1; | |
241 | if (!!(val & BIT_ULL(63)) != !!(mag & BIT(14))) | |
242 | return -EINVAL; | |
243 | mc->coloradj_coeffs[i] = mag; | |
244 | } | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
28ce675b MA |
249 | static int malidp_crtc_atomic_check_scaling(struct drm_crtc *crtc, |
250 | struct drm_crtc_state *state) | |
251 | { | |
c2e7f82d MA |
252 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); |
253 | struct malidp_hw_device *hwdev = malidp->dev; | |
28ce675b MA |
254 | struct malidp_crtc_state *cs = to_malidp_crtc_state(state); |
255 | struct malidp_se_config *s = &cs->scaler_config; | |
256 | struct drm_plane *plane; | |
c2e7f82d | 257 | struct videomode vm; |
28ce675b MA |
258 | const struct drm_plane_state *pstate; |
259 | u32 h_upscale_factor = 0; /* U16.16 */ | |
260 | u32 v_upscale_factor = 0; /* U16.16 */ | |
261 | u8 scaling = cs->scaled_planes_mask; | |
c2e7f82d | 262 | int ret; |
28ce675b MA |
263 | |
264 | if (!scaling) { | |
265 | s->scale_enable = false; | |
c2e7f82d | 266 | goto mclk_calc; |
28ce675b MA |
267 | } |
268 | ||
269 | /* The scaling engine can only handle one plane at a time. */ | |
270 | if (scaling & (scaling - 1)) | |
271 | return -EINVAL; | |
272 | ||
273 | drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) { | |
274 | struct malidp_plane *mp = to_malidp_plane(plane); | |
28ce675b MA |
275 | u32 phase; |
276 | ||
277 | if (!(mp->layer->id & scaling)) | |
278 | continue; | |
279 | ||
280 | /* | |
281 | * Convert crtc_[w|h] to U32.32, then divide by U16.16 src_[w|h] | |
282 | * to get the U16.16 result. | |
283 | */ | |
763656d3 AB |
284 | h_upscale_factor = div_u64((u64)pstate->crtc_w << 32, |
285 | pstate->src_w); | |
286 | v_upscale_factor = div_u64((u64)pstate->crtc_h << 32, | |
287 | pstate->src_h); | |
28ce675b | 288 | |
0274e6a0 MA |
289 | s->enhancer_enable = ((h_upscale_factor >> 16) >= 2 || |
290 | (v_upscale_factor >> 16) >= 2); | |
291 | ||
6cc3a505 AH |
292 | if (pstate->rotation & MALIDP_ROTATED_MASK) { |
293 | s->input_w = pstate->src_h >> 16; | |
294 | s->input_h = pstate->src_w >> 16; | |
295 | } else { | |
296 | s->input_w = pstate->src_w >> 16; | |
297 | s->input_h = pstate->src_h >> 16; | |
298 | } | |
299 | ||
28ce675b MA |
300 | s->output_w = pstate->crtc_w; |
301 | s->output_h = pstate->crtc_h; | |
302 | ||
303 | #define SE_N_PHASE 4 | |
304 | #define SE_SHIFT_N_PHASE 12 | |
305 | /* Calculate initial_phase and delta_phase for horizontal. */ | |
306 | phase = s->input_w; | |
307 | s->h_init_phase = | |
308 | ((phase << SE_N_PHASE) / s->output_w + 1) / 2; | |
309 | ||
310 | phase = s->input_w; | |
311 | phase <<= (SE_SHIFT_N_PHASE + SE_N_PHASE); | |
312 | s->h_delta_phase = phase / s->output_w; | |
313 | ||
314 | /* Same for vertical. */ | |
315 | phase = s->input_h; | |
316 | s->v_init_phase = | |
317 | ((phase << SE_N_PHASE) / s->output_h + 1) / 2; | |
318 | ||
319 | phase = s->input_h; | |
320 | phase <<= (SE_SHIFT_N_PHASE + SE_N_PHASE); | |
321 | s->v_delta_phase = phase / s->output_h; | |
322 | #undef SE_N_PHASE | |
323 | #undef SE_SHIFT_N_PHASE | |
324 | s->plane_src_id = mp->layer->id; | |
325 | } | |
326 | ||
327 | s->scale_enable = true; | |
328 | s->hcoeff = malidp_se_select_coeffs(h_upscale_factor); | |
329 | s->vcoeff = malidp_se_select_coeffs(v_upscale_factor); | |
c2e7f82d MA |
330 | |
331 | mclk_calc: | |
332 | drm_display_mode_to_videomode(&state->adjusted_mode, &vm); | |
a6993b21 | 333 | ret = hwdev->hw->se_calc_mclk(hwdev, s, &vm); |
c2e7f82d MA |
334 | if (ret < 0) |
335 | return -EINVAL; | |
28ce675b MA |
336 | return 0; |
337 | } | |
338 | ||
ad49f860 | 339 | static int malidp_crtc_atomic_check(struct drm_crtc *crtc, |
29b77ad7 | 340 | struct drm_atomic_state *state) |
ad49f860 | 341 | { |
29b77ad7 MR |
342 | struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, |
343 | crtc); | |
ad49f860 LD |
344 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); |
345 | struct malidp_hw_device *hwdev = malidp->dev; | |
346 | struct drm_plane *plane; | |
347 | const struct drm_plane_state *pstate; | |
348 | u32 rot_mem_free, rot_mem_usable; | |
349 | int rotated_planes = 0; | |
6954f245 | 350 | int ret; |
ad49f860 LD |
351 | |
352 | /* | |
353 | * check if there is enough rotation memory available for planes | |
66da13a5 LD |
354 | * that need 90° and 270° rotion or planes that are compressed. |
355 | * Each plane has set its required memory size in the ->plane_check() | |
356 | * callback, here we only make sure that the sums are less that the | |
357 | * total usable memory. | |
ad49f860 LD |
358 | * |
359 | * The rotation memory allocation algorithm (for each plane): | |
66da13a5 LD |
360 | * a. If no more rotated or compressed planes exist, all remaining |
361 | * rotate memory in the bank is available for use by the plane. | |
362 | * b. If other rotated or compressed planes exist, and plane's | |
363 | * layer ID is DE_VIDEO1, it can use all the memory from first bank | |
364 | * if secondary rotation memory bank is available, otherwise it can | |
ad49f860 | 365 | * use up to half the bank's memory. |
66da13a5 LD |
366 | * c. If other rotated or compressed planes exist, and plane's layer ID |
367 | * is not DE_VIDEO1, it can use half of the available memory. | |
ad49f860 LD |
368 | * |
369 | * Note: this algorithm assumes that the order in which the planes are | |
370 | * checked always has DE_VIDEO1 plane first in the list if it is | |
371 | * rotated. Because that is how we create the planes in the first | |
372 | * place, under current DRM version things work, but if ever the order | |
373 | * in which drm_atomic_crtc_state_for_each_plane() iterates over planes | |
374 | * changes, we need to pre-sort the planes before validation. | |
375 | */ | |
376 | ||
377 | /* first count the number of rotated planes */ | |
29b77ad7 | 378 | drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { |
66da13a5 LD |
379 | struct drm_framebuffer *fb = pstate->fb; |
380 | ||
381 | if ((pstate->rotation & MALIDP_ROTATED_MASK) || fb->modifier) | |
ad49f860 LD |
382 | rotated_planes++; |
383 | } | |
384 | ||
385 | rot_mem_free = hwdev->rotation_memory[0]; | |
386 | /* | |
387 | * if we have more than 1 plane using rotation memory, use the second | |
388 | * block of rotation memory as well | |
389 | */ | |
390 | if (rotated_planes > 1) | |
391 | rot_mem_free += hwdev->rotation_memory[1]; | |
392 | ||
393 | /* now validate the rotation memory requirements */ | |
29b77ad7 | 394 | drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { |
ad49f860 LD |
395 | struct malidp_plane *mp = to_malidp_plane(plane); |
396 | struct malidp_plane_state *ms = to_malidp_plane_state(pstate); | |
66da13a5 | 397 | struct drm_framebuffer *fb = pstate->fb; |
ad49f860 | 398 | |
66da13a5 | 399 | if ((pstate->rotation & MALIDP_ROTATED_MASK) || fb->modifier) { |
ad49f860 LD |
400 | /* process current plane */ |
401 | rotated_planes--; | |
402 | ||
403 | if (!rotated_planes) { | |
404 | /* no more rotated planes, we can use what's left */ | |
405 | rot_mem_usable = rot_mem_free; | |
406 | } else { | |
407 | if ((mp->layer->id != DE_VIDEO1) || | |
408 | (hwdev->rotation_memory[1] == 0)) | |
409 | rot_mem_usable = rot_mem_free / 2; | |
410 | else | |
411 | rot_mem_usable = hwdev->rotation_memory[0]; | |
412 | } | |
413 | ||
414 | rot_mem_free -= rot_mem_usable; | |
415 | ||
416 | if (ms->rotmem_size > rot_mem_usable) | |
417 | return -EINVAL; | |
418 | } | |
419 | } | |
420 | ||
8cbc5caf | 421 | /* If only the writeback routing has changed, we don't need a modeset */ |
29b77ad7 | 422 | if (crtc_state->connectors_changed) { |
8cbc5caf | 423 | u32 old_mask = crtc->state->connector_mask; |
29b77ad7 | 424 | u32 new_mask = crtc_state->connector_mask; |
8cbc5caf BS |
425 | |
426 | if ((old_mask ^ new_mask) == | |
427 | (1 << drm_connector_index(&malidp->mw_connector.base))) | |
29b77ad7 | 428 | crtc_state->connectors_changed = false; |
8cbc5caf BS |
429 | } |
430 | ||
29b77ad7 MR |
431 | ret = malidp_crtc_atomic_check_gamma(crtc, crtc_state); |
432 | ret = ret ? ret : malidp_crtc_atomic_check_ctm(crtc, crtc_state); | |
433 | ret = ret ? ret : malidp_crtc_atomic_check_scaling(crtc, crtc_state); | |
6954f245 MA |
434 | |
435 | return ret; | |
ad49f860 LD |
436 | } |
437 | ||
438 | static const struct drm_crtc_helper_funcs malidp_crtc_helper_funcs = { | |
e2113c03 | 439 | .mode_valid = malidp_crtc_mode_valid, |
ad49f860 | 440 | .atomic_check = malidp_crtc_atomic_check, |
0b20a0f8 | 441 | .atomic_enable = malidp_crtc_atomic_enable, |
64581714 | 442 | .atomic_disable = malidp_crtc_atomic_disable, |
ad49f860 LD |
443 | }; |
444 | ||
99665d07 MA |
445 | static struct drm_crtc_state *malidp_crtc_duplicate_state(struct drm_crtc *crtc) |
446 | { | |
02725d31 | 447 | struct malidp_crtc_state *state, *old_state; |
99665d07 MA |
448 | |
449 | if (WARN_ON(!crtc->state)) | |
450 | return NULL; | |
451 | ||
02725d31 | 452 | old_state = to_malidp_crtc_state(crtc->state); |
99665d07 MA |
453 | state = kmalloc(sizeof(*state), GFP_KERNEL); |
454 | if (!state) | |
455 | return NULL; | |
456 | ||
457 | __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base); | |
02725d31 MA |
458 | memcpy(state->gamma_coeffs, old_state->gamma_coeffs, |
459 | sizeof(state->gamma_coeffs)); | |
6954f245 MA |
460 | memcpy(state->coloradj_coeffs, old_state->coloradj_coeffs, |
461 | sizeof(state->coloradj_coeffs)); | |
28ce675b MA |
462 | memcpy(&state->scaler_config, &old_state->scaler_config, |
463 | sizeof(state->scaler_config)); | |
464 | state->scaled_planes_mask = 0; | |
99665d07 MA |
465 | |
466 | return &state->base; | |
467 | } | |
468 | ||
99665d07 MA |
469 | static void malidp_crtc_destroy_state(struct drm_crtc *crtc, |
470 | struct drm_crtc_state *state) | |
471 | { | |
472 | struct malidp_crtc_state *mali_state = NULL; | |
473 | ||
474 | if (state) { | |
475 | mali_state = to_malidp_crtc_state(state); | |
476 | __drm_atomic_helper_crtc_destroy_state(state); | |
477 | } | |
478 | ||
479 | kfree(mali_state); | |
480 | } | |
481 | ||
9a6a19c0 ML |
482 | static void malidp_crtc_reset(struct drm_crtc *crtc) |
483 | { | |
484 | struct malidp_crtc_state *state = | |
485 | kzalloc(sizeof(*state), GFP_KERNEL); | |
486 | ||
487 | if (crtc->state) | |
488 | malidp_crtc_destroy_state(crtc, crtc->state); | |
489 | ||
490 | __drm_atomic_helper_crtc_reset(crtc, &state->base); | |
491 | } | |
492 | ||
d7ae94be SG |
493 | static int malidp_crtc_enable_vblank(struct drm_crtc *crtc) |
494 | { | |
495 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); | |
496 | struct malidp_hw_device *hwdev = malidp->dev; | |
497 | ||
498 | malidp_hw_enable_irq(hwdev, MALIDP_DE_BLOCK, | |
a6993b21 | 499 | hwdev->hw->map.de_irq_map.vsync_irq); |
d7ae94be SG |
500 | return 0; |
501 | } | |
502 | ||
503 | static void malidp_crtc_disable_vblank(struct drm_crtc *crtc) | |
504 | { | |
505 | struct malidp_drm *malidp = crtc_to_malidp_device(crtc); | |
506 | struct malidp_hw_device *hwdev = malidp->dev; | |
507 | ||
508 | malidp_hw_disable_irq(hwdev, MALIDP_DE_BLOCK, | |
a6993b21 | 509 | hwdev->hw->map.de_irq_map.vsync_irq); |
d7ae94be SG |
510 | } |
511 | ||
ad49f860 LD |
512 | static const struct drm_crtc_funcs malidp_crtc_funcs = { |
513 | .destroy = drm_crtc_cleanup, | |
514 | .set_config = drm_atomic_helper_set_config, | |
515 | .page_flip = drm_atomic_helper_page_flip, | |
99665d07 MA |
516 | .reset = malidp_crtc_reset, |
517 | .atomic_duplicate_state = malidp_crtc_duplicate_state, | |
518 | .atomic_destroy_state = malidp_crtc_destroy_state, | |
d7ae94be SG |
519 | .enable_vblank = malidp_crtc_enable_vblank, |
520 | .disable_vblank = malidp_crtc_disable_vblank, | |
ad49f860 LD |
521 | }; |
522 | ||
523 | int malidp_crtc_init(struct drm_device *drm) | |
524 | { | |
525 | struct malidp_drm *malidp = drm->dev_private; | |
526 | struct drm_plane *primary = NULL, *plane; | |
527 | int ret; | |
528 | ||
529 | ret = malidp_de_planes_init(drm); | |
530 | if (ret < 0) { | |
531 | DRM_ERROR("Failed to initialise planes\n"); | |
532 | return ret; | |
533 | } | |
534 | ||
535 | drm_for_each_plane(plane, drm) { | |
536 | if (plane->type == DRM_PLANE_TYPE_PRIMARY) { | |
537 | primary = plane; | |
538 | break; | |
539 | } | |
540 | } | |
541 | ||
542 | if (!primary) { | |
543 | DRM_ERROR("no primary plane found\n"); | |
084ffbd7 | 544 | return -EINVAL; |
ad49f860 LD |
545 | } |
546 | ||
547 | ret = drm_crtc_init_with_planes(drm, &malidp->crtc, primary, NULL, | |
548 | &malidp_crtc_funcs, NULL); | |
02725d31 | 549 | if (ret) |
084ffbd7 | 550 | return ret; |
ad49f860 | 551 | |
02725d31 MA |
552 | drm_crtc_helper_add(&malidp->crtc, &malidp_crtc_helper_funcs); |
553 | drm_mode_crtc_set_gamma_size(&malidp->crtc, MALIDP_GAMMA_LUT_SIZE); | |
0274e6a0 | 554 | /* No inverse-gamma: it is per-plane. */ |
6954f245 | 555 | drm_crtc_enable_color_mgmt(&malidp->crtc, 0, true, MALIDP_GAMMA_LUT_SIZE); |
02725d31 | 556 | |
0274e6a0 MA |
557 | malidp_se_set_enh_coeffs(malidp->dev); |
558 | ||
02725d31 | 559 | return 0; |
ad49f860 | 560 | } |