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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c
....@@ -23,6 +23,9 @@
2323  *
2424  */
2525 
26
+#include <linux/delay.h>
27
+#include <linux/slab.h>
28
+
2629 #include "dm_services.h"
2730 
2831 #include "dce/dce_11_0_d.h"
....@@ -62,67 +65,37 @@
6265 }
6366 };
6467 
65
-static const uint32_t dce11_one_lpt_channel_max_resolution = 2560 * 1600;
66
-
67
-enum fbc_idle_force {
68
-	/* Bit 0 - Display registers updated */
69
-	FBC_IDLE_FORCE_DISPLAY_REGISTER_UPDATE = 0x00000001,
70
-
71
-	/* Bit 2 - FBC_GRPH_COMP_EN register updated */
72
-	FBC_IDLE_FORCE_GRPH_COMP_EN = 0x00000002,
73
-	/* Bit 3 - FBC_SRC_SEL register updated */
74
-	FBC_IDLE_FORCE_SRC_SEL_CHANGE = 0x00000004,
75
-	/* Bit 4 - FBC_MIN_COMPRESSION register updated */
76
-	FBC_IDLE_FORCE_MIN_COMPRESSION_CHANGE = 0x00000008,
77
-	/* Bit 5 - FBC_ALPHA_COMP_EN register updated */
78
-	FBC_IDLE_FORCE_ALPHA_COMP_EN = 0x00000010,
79
-	/* Bit 6 - FBC_ZERO_ALPHA_CHUNK_SKIP_EN register updated */
80
-	FBC_IDLE_FORCE_ZERO_ALPHA_CHUNK_SKIP_EN = 0x00000020,
81
-	/* Bit 7 - FBC_FORCE_COPY_TO_COMP_BUF register updated */
82
-	FBC_IDLE_FORCE_FORCE_COPY_TO_COMP_BUF = 0x00000040,
83
-
84
-	/* Bit 24 - Memory write to region 0 defined by MC registers. */
85
-	FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION0 = 0x01000000,
86
-	/* Bit 25 - Memory write to region 1 defined by MC registers */
87
-	FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION1 = 0x02000000,
88
-	/* Bit 26 - Memory write to region 2 defined by MC registers */
89
-	FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION2 = 0x04000000,
90
-	/* Bit 27 - Memory write to region 3 defined by MC registers. */
91
-	FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION3 = 0x08000000,
92
-
93
-	/* Bit 28 - Memory write from any client other than MCIF */
94
-	FBC_IDLE_FORCE_MEMORY_WRITE_OTHER_THAN_MCIF = 0x10000000,
95
-	/* Bit 29 - CG statics screen signal is inactive */
96
-	FBC_IDLE_FORCE_CG_STATIC_SCREEN_IS_INACTIVE = 0x20000000,
97
-};
98
-
99
-
10068 static uint32_t align_to_chunks_number_per_line(uint32_t pixels)
10169 {
10270 	return 256 * ((pixels + 255) / 256);
10371 }
10472 
105
-static void reset_lb_on_vblank(struct dc_context *ctx)
73
+static void reset_lb_on_vblank(struct compressor *compressor, uint32_t crtc_inst)
10674 {
107
-	uint32_t value, frame_count;
75
+	uint32_t value;
76
+	uint32_t frame_count;
77
+	uint32_t status_pos;
10878 	uint32_t retry = 0;
109
-	uint32_t status_pos =
110
-			dm_read_reg(ctx, mmCRTC_STATUS_POSITION);
79
+	struct dce110_compressor *cp110 = TO_DCE110_COMPRESSOR(compressor);
80
+
81
+	cp110->offsets = reg_offsets[crtc_inst];
82
+
83
+	status_pos = dm_read_reg(compressor->ctx, DCP_REG(mmCRTC_STATUS_POSITION));
11184 
11285 
11386 	/* Only if CRTC is enabled and counter is moving we wait for one frame. */
114
-	if (status_pos != dm_read_reg(ctx, mmCRTC_STATUS_POSITION)) {
87
+	if (status_pos != dm_read_reg(compressor->ctx, DCP_REG(mmCRTC_STATUS_POSITION))) {
11588 		/* Resetting LB on VBlank */
116
-		value = dm_read_reg(ctx, mmLB_SYNC_RESET_SEL);
89
+		value = dm_read_reg(compressor->ctx, DCP_REG(mmLB_SYNC_RESET_SEL));
11790 		set_reg_field_value(value, 3, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL);
11891 		set_reg_field_value(value, 1, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL2);
119
-		dm_write_reg(ctx, mmLB_SYNC_RESET_SEL, value);
92
+		dm_write_reg(compressor->ctx, DCP_REG(mmLB_SYNC_RESET_SEL), value);
12093 
121
-		frame_count = dm_read_reg(ctx, mmCRTC_STATUS_FRAME_COUNT);
94
+		frame_count = dm_read_reg(compressor->ctx, DCP_REG(mmCRTC_STATUS_FRAME_COUNT));
12295 
12396 
12497 		for (retry = 10000; retry > 0; retry--) {
125
-			if (frame_count != dm_read_reg(ctx, mmCRTC_STATUS_FRAME_COUNT))
98
+			if (frame_count != dm_read_reg(compressor->ctx, DCP_REG(mmCRTC_STATUS_FRAME_COUNT)))
12699 				break;
127100 			udelay(10);
128101 		}
....@@ -130,13 +103,11 @@
130103 			dm_error("Frame count did not increase for 100ms.\n");
131104 
132105 		/* Resetting LB on VBlank */
133
-		value = dm_read_reg(ctx, mmLB_SYNC_RESET_SEL);
106
+		value = dm_read_reg(compressor->ctx, DCP_REG(mmLB_SYNC_RESET_SEL));
134107 		set_reg_field_value(value, 2, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL);
135108 		set_reg_field_value(value, 0, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL2);
136
-		dm_write_reg(ctx, mmLB_SYNC_RESET_SEL, value);
137
-
109
+		dm_write_reg(compressor->ctx, DCP_REG(mmLB_SYNC_RESET_SEL), value);
138110 	}
139
-
140111 }
141112 
142113 static void wait_for_fbc_state_changed(
....@@ -226,10 +197,10 @@
226197 		uint32_t addr;
227198 		uint32_t value, misc_value;
228199 
229
-
230200 		addr = mmFBC_CNTL;
231201 		value = dm_read_reg(compressor->ctx, addr);
232202 		set_reg_field_value(value, 1, FBC_CNTL, FBC_GRPH_COMP_EN);
203
+		/* params->inst is valid HW CRTC instance start from 0 */
233204 		set_reg_field_value(
234205 			value,
235206 			params->inst,
....@@ -238,8 +209,10 @@
238209 
239210 		/* Keep track of enum controller_id FBC is attached to */
240211 		compressor->is_enabled = true;
241
-		compressor->attached_inst = params->inst;
242
-		cp110->offsets = reg_offsets[params->inst];
212
+		/* attached_inst is SW CRTC instance start from 1
213
+		 * 0 = CONTROLLER_ID_UNDEFINED means not attached crtc
214
+		 */
215
+		compressor->attached_inst = params->inst + CONTROLLER_ID_D0;
243216 
244217 		/* Toggle it as there is bug in HW */
245218 		set_reg_field_value(value, 0, FBC_CNTL, FBC_GRPH_COMP_EN);
....@@ -268,9 +241,10 @@
268241 void dce110_compressor_disable_fbc(struct compressor *compressor)
269242 {
270243 	struct dce110_compressor *cp110 = TO_DCE110_COMPRESSOR(compressor);
244
+	uint32_t crtc_inst = 0;
271245 
272246 	if (compressor->options.bits.FBC_SUPPORT) {
273
-		if (dce110_compressor_is_fbc_enabled_in_hw(compressor, NULL)) {
247
+		if (dce110_compressor_is_fbc_enabled_in_hw(compressor, &crtc_inst)) {
274248 			uint32_t reg_data;
275249 			/* Turn off compression */
276250 			reg_data = dm_read_reg(compressor->ctx, mmFBC_CNTL);
....@@ -284,8 +258,10 @@
284258 			wait_for_fbc_state_changed(cp110, false);
285259 		}
286260 
287
-		/* Sync line buffer  - dce100/110 only*/
288
-		reset_lb_on_vblank(compressor->ctx);
261
+		/* Sync line buffer which fbc was attached to dce100/110 only */
262
+		if (crtc_inst > CONTROLLER_ID_UNDEFINED && crtc_inst < CONTROLLER_ID_D3)
263
+			reset_lb_on_vblank(compressor,
264
+					crtc_inst - CONTROLLER_ID_D0);
289265 	}
290266 }
291267 
....@@ -327,6 +303,8 @@
327303 	uint32_t fbc_pitch = 0;
328304 	uint32_t compressed_surf_address_low_part =
329305 		compressor->compr_surface_address.addr.low_part;
306
+
307
+	cp110->offsets = reg_offsets[params->inst];
330308 
331309 	/* Clear content first. */
332310 	dm_write_reg(
....@@ -410,13 +388,7 @@
410388 	value = dm_read_reg(compressor->ctx, addr);
411389 	set_reg_field_value(
412390 		value,
413
-		fbc_trigger |
414
-		FBC_IDLE_FORCE_GRPH_COMP_EN |
415
-		FBC_IDLE_FORCE_SRC_SEL_CHANGE |
416
-		FBC_IDLE_FORCE_MIN_COMPRESSION_CHANGE |
417
-		FBC_IDLE_FORCE_ALPHA_COMP_EN |
418
-		FBC_IDLE_FORCE_ZERO_ALPHA_CHUNK_SKIP_EN |
419
-		FBC_IDLE_FORCE_FORCE_COPY_TO_COMP_BUF,
391
+		fbc_trigger,
420392 		FBC_IDLE_FORCE_CLEAR_MASK,
421393 		FBC_IDLE_FORCE_CLEAR_MASK);
422394 	dm_write_reg(compressor->ctx, addr, value);
....@@ -549,7 +521,7 @@
549521 	compressor->base.channel_interleave_size = 0;
550522 	compressor->base.dram_channels_num = 0;
551523 	compressor->base.lpt_channels_num = 0;
552
-	compressor->base.attached_inst = 0;
524
+	compressor->base.attached_inst = CONTROLLER_ID_UNDEFINED;
553525 	compressor->base.is_enabled = false;
554526 	compressor->base.funcs = &dce110_compressor_funcs;
555527