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v6.13.7
  1/*
  2 * Copyright 2008 Advanced Micro Devices, Inc.
  3 * Copyright 2008 Red Hat Inc.
  4 * Copyright 2009 Jerome Glisse.
  5 *
  6 * Permission is hereby granted, free of charge, to any person obtaining a
  7 * copy of this software and associated documentation files (the "Software"),
  8 * to deal in the Software without restriction, including without limitation
  9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 10 * and/or sell copies of the Software, and to permit persons to whom the
 11 * Software is furnished to do so, subject to the following conditions:
 12 *
 13 * The above copyright notice and this permission notice shall be included in
 14 * all copies or substantial portions of the Software.
 15 *
 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 22 * OTHER DEALINGS IN THE SOFTWARE.
 23 *
 24 * Authors: Dave Airlie
 25 *          Alex Deucher
 26 *          Jerome Glisse
 27 */
 28
 29#include <linux/debugfs.h>
 30#include <linux/pci.h>
 31#include <linux/seq_file.h>
 32#include <linux/slab.h>
 33
 
 34#include <drm/drm_device.h>
 35#include <drm/drm_file.h>
 
 36
 37#include "atom.h"
 38#include "r100d.h"
 39#include "r420_reg_safe.h"
 40#include "r420d.h"
 41#include "radeon.h"
 42#include "radeon_asic.h"
 43#include "radeon_reg.h"
 44
 45void r420_pm_init_profile(struct radeon_device *rdev)
 46{
 47	/* default */
 48	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 49	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 50	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 51	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 52	/* low sh */
 53	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 54	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 55	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 56	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 57	/* mid sh */
 58	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 59	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 60	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 61	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 62	/* high sh */
 63	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 64	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 65	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 66	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 67	/* low mh */
 68	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 69	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 70	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 71	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 72	/* mid mh */
 73	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 74	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 75	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 76	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 77	/* high mh */
 78	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 79	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 80	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 81	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 82}
 83
 84static void r420_set_reg_safe(struct radeon_device *rdev)
 85{
 86	rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
 87	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
 88}
 89
 90void r420_pipes_init(struct radeon_device *rdev)
 91{
 92	unsigned tmp;
 93	unsigned gb_pipe_select;
 94	unsigned num_pipes;
 95
 96	/* GA_ENHANCE workaround TCL deadlock issue */
 97	WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |
 98	       (1 << 2) | (1 << 3));
 99	/* add idle wait as per freedesktop.org bug 24041 */
100	if (r100_gui_wait_for_idle(rdev)) {
101		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
102	}
103	/* get max number of pipes */
104	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
105	num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
106
107	/* SE chips have 1 pipe */
108	if ((rdev->pdev->device == 0x5e4c) ||
109	    (rdev->pdev->device == 0x5e4f))
110		num_pipes = 1;
111
112	rdev->num_gb_pipes = num_pipes;
113	tmp = 0;
114	switch (num_pipes) {
115	default:
116		/* force to 1 pipe */
117		num_pipes = 1;
118		fallthrough;
119	case 1:
120		tmp = (0 << 1);
121		break;
122	case 2:
123		tmp = (3 << 1);
124		break;
125	case 3:
126		tmp = (6 << 1);
127		break;
128	case 4:
129		tmp = (7 << 1);
130		break;
131	}
132	WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1);
133	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
134	tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING;
135	WREG32(R300_GB_TILE_CONFIG, tmp);
136	if (r100_gui_wait_for_idle(rdev)) {
137		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
138	}
139
140	tmp = RREG32(R300_DST_PIPE_CONFIG);
141	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
142
143	WREG32(R300_RB2D_DSTCACHE_MODE,
144	       RREG32(R300_RB2D_DSTCACHE_MODE) |
145	       R300_DC_AUTOFLUSH_ENABLE |
146	       R300_DC_DC_DISABLE_IGNORE_PE);
147
148	if (r100_gui_wait_for_idle(rdev)) {
149		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
150	}
151
152	if (rdev->family == CHIP_RV530) {
153		tmp = RREG32(RV530_GB_PIPE_SELECT2);
154		if ((tmp & 3) == 3)
155			rdev->num_z_pipes = 2;
156		else
157			rdev->num_z_pipes = 1;
158	} else
159		rdev->num_z_pipes = 1;
160
161	DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
162		 rdev->num_gb_pipes, rdev->num_z_pipes);
163}
164
165u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
166{
167	unsigned long flags;
168	u32 r;
169
170	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
171	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
172	r = RREG32(R_0001FC_MC_IND_DATA);
173	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
174	return r;
175}
176
177void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
178{
179	unsigned long flags;
180
181	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
182	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) |
183		S_0001F8_MC_IND_WR_EN(1));
184	WREG32(R_0001FC_MC_IND_DATA, v);
185	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
186}
187
188static void r420_debugfs(struct radeon_device *rdev)
189{
190	r100_debugfs_rbbm_init(rdev);
191	r420_debugfs_pipes_info_init(rdev);
 
 
 
 
192}
193
194static void r420_clock_resume(struct radeon_device *rdev)
195{
196	u32 sclk_cntl;
197
198	if (radeon_dynclks != -1 && radeon_dynclks)
199		radeon_atom_set_clock_gating(rdev, 1);
200	sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
201	sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
202	if (rdev->family == CHIP_R420)
203		sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1);
204	WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);
205}
206
207static void r420_cp_errata_init(struct radeon_device *rdev)
208{
209	int r;
210	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
211
212	/* RV410 and R420 can lock up if CP DMA to host memory happens
213	 * while the 2D engine is busy.
214	 *
215	 * The proper workaround is to queue a RESYNC at the beginning
216	 * of the CP init, apparently.
217	 */
218	radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch);
219	r = radeon_ring_lock(rdev, ring, 8);
220	WARN_ON(r);
221	radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1));
222	radeon_ring_write(ring, rdev->config.r300.resync_scratch);
223	radeon_ring_write(ring, 0xDEADBEEF);
224	radeon_ring_unlock_commit(rdev, ring, false);
225}
226
227static void r420_cp_errata_fini(struct radeon_device *rdev)
228{
229	int r;
230	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
231
232	/* Catch the RESYNC we dispatched all the way back,
233	 * at the very beginning of the CP init.
234	 */
235	r = radeon_ring_lock(rdev, ring, 8);
236	WARN_ON(r);
237	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
238	radeon_ring_write(ring, R300_RB3D_DC_FINISH);
239	radeon_ring_unlock_commit(rdev, ring, false);
240	radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
241}
242
243static int r420_startup(struct radeon_device *rdev)
244{
245	int r;
246
247	/* set common regs */
248	r100_set_common_regs(rdev);
249	/* program mc */
250	r300_mc_program(rdev);
251	/* Resume clock */
252	r420_clock_resume(rdev);
253	/* Initialize GART (initialize after TTM so we can allocate
254	 * memory through TTM but finalize after TTM) */
255	if (rdev->flags & RADEON_IS_PCIE) {
256		r = rv370_pcie_gart_enable(rdev);
257		if (r)
258			return r;
259	}
260	if (rdev->flags & RADEON_IS_PCI) {
261		r = r100_pci_gart_enable(rdev);
262		if (r)
263			return r;
264	}
265	r420_pipes_init(rdev);
266
267	/* allocate wb buffer */
268	r = radeon_wb_init(rdev);
269	if (r)
270		return r;
271
272	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
273	if (r) {
274		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
275		return r;
276	}
277
278	/* Enable IRQ */
279	if (!rdev->irq.installed) {
280		r = radeon_irq_kms_init(rdev);
281		if (r)
282			return r;
283	}
284
285	r100_irq_set(rdev);
286	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
287	/* 1M ring buffer */
288	r = r100_cp_init(rdev, 1024 * 1024);
289	if (r) {
290		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
291		return r;
292	}
293	r420_cp_errata_init(rdev);
294
295	r = radeon_ib_pool_init(rdev);
296	if (r) {
297		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
298		return r;
299	}
300
301	return 0;
302}
303
304int r420_resume(struct radeon_device *rdev)
305{
306	int r;
307
308	/* Make sur GART are not working */
309	if (rdev->flags & RADEON_IS_PCIE)
310		rv370_pcie_gart_disable(rdev);
311	if (rdev->flags & RADEON_IS_PCI)
312		r100_pci_gart_disable(rdev);
313	/* Resume clock before doing reset */
314	r420_clock_resume(rdev);
315	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
316	if (radeon_asic_reset(rdev)) {
317		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
318			RREG32(R_000E40_RBBM_STATUS),
319			RREG32(R_0007C0_CP_STAT));
320	}
321	/* check if cards are posted or not */
322	if (rdev->is_atom_bios) {
323		atom_asic_init(rdev->mode_info.atom_context);
324	} else {
325		radeon_combios_asic_init(rdev_to_drm(rdev));
326	}
327	/* Resume clock after posting */
328	r420_clock_resume(rdev);
329	/* Initialize surface registers */
330	radeon_surface_init(rdev);
331
332	rdev->accel_working = true;
333	r = r420_startup(rdev);
334	if (r) {
335		rdev->accel_working = false;
336	}
337	return r;
338}
339
340int r420_suspend(struct radeon_device *rdev)
341{
342	radeon_pm_suspend(rdev);
343	r420_cp_errata_fini(rdev);
344	r100_cp_disable(rdev);
345	radeon_wb_disable(rdev);
346	r100_irq_disable(rdev);
347	if (rdev->flags & RADEON_IS_PCIE)
348		rv370_pcie_gart_disable(rdev);
349	if (rdev->flags & RADEON_IS_PCI)
350		r100_pci_gart_disable(rdev);
351	return 0;
352}
353
354void r420_fini(struct radeon_device *rdev)
355{
356	radeon_pm_fini(rdev);
357	r100_cp_fini(rdev);
358	radeon_wb_fini(rdev);
359	radeon_ib_pool_fini(rdev);
360	radeon_gem_fini(rdev);
361	if (rdev->flags & RADEON_IS_PCIE)
362		rv370_pcie_gart_fini(rdev);
363	if (rdev->flags & RADEON_IS_PCI)
364		r100_pci_gart_fini(rdev);
365	radeon_agp_fini(rdev);
366	radeon_irq_kms_fini(rdev);
367	radeon_fence_driver_fini(rdev);
368	radeon_bo_fini(rdev);
369	if (rdev->is_atom_bios) {
370		radeon_atombios_fini(rdev);
371	} else {
372		radeon_combios_fini(rdev);
373	}
374	kfree(rdev->bios);
375	rdev->bios = NULL;
376}
377
378int r420_init(struct radeon_device *rdev)
379{
380	int r;
381
382	/* Initialize scratch registers */
383	radeon_scratch_init(rdev);
384	/* Initialize surface registers */
385	radeon_surface_init(rdev);
386	/* TODO: disable VGA need to use VGA request */
387	/* restore some register to sane defaults */
388	r100_restore_sanity(rdev);
389	/* BIOS*/
390	if (!radeon_get_bios(rdev)) {
391		if (ASIC_IS_AVIVO(rdev))
392			return -EINVAL;
393	}
394	if (rdev->is_atom_bios) {
395		r = radeon_atombios_init(rdev);
396		if (r) {
397			return r;
398		}
399	} else {
400		r = radeon_combios_init(rdev);
401		if (r) {
402			return r;
403		}
404	}
405	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
406	if (radeon_asic_reset(rdev)) {
407		dev_warn(rdev->dev,
408			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
409			RREG32(R_000E40_RBBM_STATUS),
410			RREG32(R_0007C0_CP_STAT));
411	}
412	/* check if cards are posted or not */
413	if (radeon_boot_test_post_card(rdev) == false)
414		return -EINVAL;
415
416	/* Initialize clocks */
417	radeon_get_clock_info(rdev_to_drm(rdev));
418	/* initialize AGP */
419	if (rdev->flags & RADEON_IS_AGP) {
420		r = radeon_agp_init(rdev);
421		if (r) {
422			radeon_agp_disable(rdev);
423		}
424	}
425	/* initialize memory controller */
426	r300_mc_init(rdev);
427	r420_debugfs(rdev);
428	/* Fence driver */
429	radeon_fence_driver_init(rdev);
 
 
 
430	/* Memory manager */
431	r = radeon_bo_init(rdev);
432	if (r) {
433		return r;
434	}
435	if (rdev->family == CHIP_R420)
436		r100_enable_bm(rdev);
437
438	if (rdev->flags & RADEON_IS_PCIE) {
439		r = rv370_pcie_gart_init(rdev);
440		if (r)
441			return r;
442	}
443	if (rdev->flags & RADEON_IS_PCI) {
444		r = r100_pci_gart_init(rdev);
445		if (r)
446			return r;
447	}
448	r420_set_reg_safe(rdev);
449
450	/* Initialize power management */
451	radeon_pm_init(rdev);
452
453	rdev->accel_working = true;
454	r = r420_startup(rdev);
455	if (r) {
456		/* Somethings want wront with the accel init stop accel */
457		dev_err(rdev->dev, "Disabling GPU acceleration\n");
458		r100_cp_fini(rdev);
459		radeon_wb_fini(rdev);
460		radeon_ib_pool_fini(rdev);
461		radeon_irq_kms_fini(rdev);
462		if (rdev->flags & RADEON_IS_PCIE)
463			rv370_pcie_gart_fini(rdev);
464		if (rdev->flags & RADEON_IS_PCI)
465			r100_pci_gart_fini(rdev);
466		radeon_agp_fini(rdev);
467		rdev->accel_working = false;
468	}
469	return 0;
470}
471
472/*
473 * Debugfs info
474 */
475#if defined(CONFIG_DEBUG_FS)
476static int r420_debugfs_pipes_info_show(struct seq_file *m, void *unused)
477{
478	struct radeon_device *rdev = m->private;
 
 
479	uint32_t tmp;
480
481	tmp = RREG32(R400_GB_PIPE_SELECT);
482	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
483	tmp = RREG32(R300_GB_TILE_CONFIG);
484	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
485	tmp = RREG32(R300_DST_PIPE_CONFIG);
486	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
487	return 0;
488}
489
490DEFINE_SHOW_ATTRIBUTE(r420_debugfs_pipes_info);
 
 
491#endif
492
493void r420_debugfs_pipes_info_init(struct radeon_device *rdev)
494{
495#if defined(CONFIG_DEBUG_FS)
496	struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
497
498	debugfs_create_file("r420_pipes_info", 0444, root, rdev,
499			    &r420_debugfs_pipes_info_fops);
500#endif
501}
v5.4
  1/*
  2 * Copyright 2008 Advanced Micro Devices, Inc.
  3 * Copyright 2008 Red Hat Inc.
  4 * Copyright 2009 Jerome Glisse.
  5 *
  6 * Permission is hereby granted, free of charge, to any person obtaining a
  7 * copy of this software and associated documentation files (the "Software"),
  8 * to deal in the Software without restriction, including without limitation
  9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 10 * and/or sell copies of the Software, and to permit persons to whom the
 11 * Software is furnished to do so, subject to the following conditions:
 12 *
 13 * The above copyright notice and this permission notice shall be included in
 14 * all copies or substantial portions of the Software.
 15 *
 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 22 * OTHER DEALINGS IN THE SOFTWARE.
 23 *
 24 * Authors: Dave Airlie
 25 *          Alex Deucher
 26 *          Jerome Glisse
 27 */
 28
 
 
 29#include <linux/seq_file.h>
 30#include <linux/slab.h>
 31
 32#include <drm/drm_debugfs.h>
 33#include <drm/drm_device.h>
 34#include <drm/drm_file.h>
 35#include <drm/drm_pci.h>
 36
 37#include "atom.h"
 38#include "r100d.h"
 39#include "r420_reg_safe.h"
 40#include "r420d.h"
 41#include "radeon.h"
 42#include "radeon_asic.h"
 43#include "radeon_reg.h"
 44
 45void r420_pm_init_profile(struct radeon_device *rdev)
 46{
 47	/* default */
 48	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 49	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 50	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 51	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 52	/* low sh */
 53	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 54	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 55	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 56	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 57	/* mid sh */
 58	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 59	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 60	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 61	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 62	/* high sh */
 63	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 64	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 65	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 66	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 67	/* low mh */
 68	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 69	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 70	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 71	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 72	/* mid mh */
 73	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 74	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 75	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 76	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 77	/* high mh */
 78	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 79	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 80	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 81	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 82}
 83
 84static void r420_set_reg_safe(struct radeon_device *rdev)
 85{
 86	rdev->config.r300.reg_safe_bm = r420_reg_safe_bm;
 87	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
 88}
 89
 90void r420_pipes_init(struct radeon_device *rdev)
 91{
 92	unsigned tmp;
 93	unsigned gb_pipe_select;
 94	unsigned num_pipes;
 95
 96	/* GA_ENHANCE workaround TCL deadlock issue */
 97	WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |
 98	       (1 << 2) | (1 << 3));
 99	/* add idle wait as per freedesktop.org bug 24041 */
100	if (r100_gui_wait_for_idle(rdev)) {
101		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
102	}
103	/* get max number of pipes */
104	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
105	num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
106
107	/* SE chips have 1 pipe */
108	if ((rdev->pdev->device == 0x5e4c) ||
109	    (rdev->pdev->device == 0x5e4f))
110		num_pipes = 1;
111
112	rdev->num_gb_pipes = num_pipes;
113	tmp = 0;
114	switch (num_pipes) {
115	default:
116		/* force to 1 pipe */
117		num_pipes = 1;
118		/* fall through */
119	case 1:
120		tmp = (0 << 1);
121		break;
122	case 2:
123		tmp = (3 << 1);
124		break;
125	case 3:
126		tmp = (6 << 1);
127		break;
128	case 4:
129		tmp = (7 << 1);
130		break;
131	}
132	WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1);
133	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
134	tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING;
135	WREG32(R300_GB_TILE_CONFIG, tmp);
136	if (r100_gui_wait_for_idle(rdev)) {
137		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
138	}
139
140	tmp = RREG32(R300_DST_PIPE_CONFIG);
141	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
142
143	WREG32(R300_RB2D_DSTCACHE_MODE,
144	       RREG32(R300_RB2D_DSTCACHE_MODE) |
145	       R300_DC_AUTOFLUSH_ENABLE |
146	       R300_DC_DC_DISABLE_IGNORE_PE);
147
148	if (r100_gui_wait_for_idle(rdev)) {
149		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
150	}
151
152	if (rdev->family == CHIP_RV530) {
153		tmp = RREG32(RV530_GB_PIPE_SELECT2);
154		if ((tmp & 3) == 3)
155			rdev->num_z_pipes = 2;
156		else
157			rdev->num_z_pipes = 1;
158	} else
159		rdev->num_z_pipes = 1;
160
161	DRM_INFO("radeon: %d quad pipes, %d z pipes initialized.\n",
162		 rdev->num_gb_pipes, rdev->num_z_pipes);
163}
164
165u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg)
166{
167	unsigned long flags;
168	u32 r;
169
170	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
171	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg));
172	r = RREG32(R_0001FC_MC_IND_DATA);
173	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
174	return r;
175}
176
177void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
178{
179	unsigned long flags;
180
181	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
182	WREG32(R_0001F8_MC_IND_INDEX, S_0001F8_MC_IND_ADDR(reg) |
183		S_0001F8_MC_IND_WR_EN(1));
184	WREG32(R_0001FC_MC_IND_DATA, v);
185	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
186}
187
188static void r420_debugfs(struct radeon_device *rdev)
189{
190	if (r100_debugfs_rbbm_init(rdev)) {
191		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
192	}
193	if (r420_debugfs_pipes_info_init(rdev)) {
194		DRM_ERROR("Failed to register debugfs file for pipes !\n");
195	}
196}
197
198static void r420_clock_resume(struct radeon_device *rdev)
199{
200	u32 sclk_cntl;
201
202	if (radeon_dynclks != -1 && radeon_dynclks)
203		radeon_atom_set_clock_gating(rdev, 1);
204	sclk_cntl = RREG32_PLL(R_00000D_SCLK_CNTL);
205	sclk_cntl |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
206	if (rdev->family == CHIP_R420)
207		sclk_cntl |= S_00000D_FORCE_PX(1) | S_00000D_FORCE_TX(1);
208	WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl);
209}
210
211static void r420_cp_errata_init(struct radeon_device *rdev)
212{
213	int r;
214	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
215
216	/* RV410 and R420 can lock up if CP DMA to host memory happens
217	 * while the 2D engine is busy.
218	 *
219	 * The proper workaround is to queue a RESYNC at the beginning
220	 * of the CP init, apparently.
221	 */
222	radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch);
223	r = radeon_ring_lock(rdev, ring, 8);
224	WARN_ON(r);
225	radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1));
226	radeon_ring_write(ring, rdev->config.r300.resync_scratch);
227	radeon_ring_write(ring, 0xDEADBEEF);
228	radeon_ring_unlock_commit(rdev, ring, false);
229}
230
231static void r420_cp_errata_fini(struct radeon_device *rdev)
232{
233	int r;
234	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
235
236	/* Catch the RESYNC we dispatched all the way back,
237	 * at the very beginning of the CP init.
238	 */
239	r = radeon_ring_lock(rdev, ring, 8);
240	WARN_ON(r);
241	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
242	radeon_ring_write(ring, R300_RB3D_DC_FINISH);
243	radeon_ring_unlock_commit(rdev, ring, false);
244	radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
245}
246
247static int r420_startup(struct radeon_device *rdev)
248{
249	int r;
250
251	/* set common regs */
252	r100_set_common_regs(rdev);
253	/* program mc */
254	r300_mc_program(rdev);
255	/* Resume clock */
256	r420_clock_resume(rdev);
257	/* Initialize GART (initialize after TTM so we can allocate
258	 * memory through TTM but finalize after TTM) */
259	if (rdev->flags & RADEON_IS_PCIE) {
260		r = rv370_pcie_gart_enable(rdev);
261		if (r)
262			return r;
263	}
264	if (rdev->flags & RADEON_IS_PCI) {
265		r = r100_pci_gart_enable(rdev);
266		if (r)
267			return r;
268	}
269	r420_pipes_init(rdev);
270
271	/* allocate wb buffer */
272	r = radeon_wb_init(rdev);
273	if (r)
274		return r;
275
276	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
277	if (r) {
278		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
279		return r;
280	}
281
282	/* Enable IRQ */
283	if (!rdev->irq.installed) {
284		r = radeon_irq_kms_init(rdev);
285		if (r)
286			return r;
287	}
288
289	r100_irq_set(rdev);
290	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
291	/* 1M ring buffer */
292	r = r100_cp_init(rdev, 1024 * 1024);
293	if (r) {
294		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
295		return r;
296	}
297	r420_cp_errata_init(rdev);
298
299	r = radeon_ib_pool_init(rdev);
300	if (r) {
301		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
302		return r;
303	}
304
305	return 0;
306}
307
308int r420_resume(struct radeon_device *rdev)
309{
310	int r;
311
312	/* Make sur GART are not working */
313	if (rdev->flags & RADEON_IS_PCIE)
314		rv370_pcie_gart_disable(rdev);
315	if (rdev->flags & RADEON_IS_PCI)
316		r100_pci_gart_disable(rdev);
317	/* Resume clock before doing reset */
318	r420_clock_resume(rdev);
319	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
320	if (radeon_asic_reset(rdev)) {
321		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
322			RREG32(R_000E40_RBBM_STATUS),
323			RREG32(R_0007C0_CP_STAT));
324	}
325	/* check if cards are posted or not */
326	if (rdev->is_atom_bios) {
327		atom_asic_init(rdev->mode_info.atom_context);
328	} else {
329		radeon_combios_asic_init(rdev->ddev);
330	}
331	/* Resume clock after posting */
332	r420_clock_resume(rdev);
333	/* Initialize surface registers */
334	radeon_surface_init(rdev);
335
336	rdev->accel_working = true;
337	r = r420_startup(rdev);
338	if (r) {
339		rdev->accel_working = false;
340	}
341	return r;
342}
343
344int r420_suspend(struct radeon_device *rdev)
345{
346	radeon_pm_suspend(rdev);
347	r420_cp_errata_fini(rdev);
348	r100_cp_disable(rdev);
349	radeon_wb_disable(rdev);
350	r100_irq_disable(rdev);
351	if (rdev->flags & RADEON_IS_PCIE)
352		rv370_pcie_gart_disable(rdev);
353	if (rdev->flags & RADEON_IS_PCI)
354		r100_pci_gart_disable(rdev);
355	return 0;
356}
357
358void r420_fini(struct radeon_device *rdev)
359{
360	radeon_pm_fini(rdev);
361	r100_cp_fini(rdev);
362	radeon_wb_fini(rdev);
363	radeon_ib_pool_fini(rdev);
364	radeon_gem_fini(rdev);
365	if (rdev->flags & RADEON_IS_PCIE)
366		rv370_pcie_gart_fini(rdev);
367	if (rdev->flags & RADEON_IS_PCI)
368		r100_pci_gart_fini(rdev);
369	radeon_agp_fini(rdev);
370	radeon_irq_kms_fini(rdev);
371	radeon_fence_driver_fini(rdev);
372	radeon_bo_fini(rdev);
373	if (rdev->is_atom_bios) {
374		radeon_atombios_fini(rdev);
375	} else {
376		radeon_combios_fini(rdev);
377	}
378	kfree(rdev->bios);
379	rdev->bios = NULL;
380}
381
382int r420_init(struct radeon_device *rdev)
383{
384	int r;
385
386	/* Initialize scratch registers */
387	radeon_scratch_init(rdev);
388	/* Initialize surface registers */
389	radeon_surface_init(rdev);
390	/* TODO: disable VGA need to use VGA request */
391	/* restore some register to sane defaults */
392	r100_restore_sanity(rdev);
393	/* BIOS*/
394	if (!radeon_get_bios(rdev)) {
395		if (ASIC_IS_AVIVO(rdev))
396			return -EINVAL;
397	}
398	if (rdev->is_atom_bios) {
399		r = radeon_atombios_init(rdev);
400		if (r) {
401			return r;
402		}
403	} else {
404		r = radeon_combios_init(rdev);
405		if (r) {
406			return r;
407		}
408	}
409	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
410	if (radeon_asic_reset(rdev)) {
411		dev_warn(rdev->dev,
412			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
413			RREG32(R_000E40_RBBM_STATUS),
414			RREG32(R_0007C0_CP_STAT));
415	}
416	/* check if cards are posted or not */
417	if (radeon_boot_test_post_card(rdev) == false)
418		return -EINVAL;
419
420	/* Initialize clocks */
421	radeon_get_clock_info(rdev->ddev);
422	/* initialize AGP */
423	if (rdev->flags & RADEON_IS_AGP) {
424		r = radeon_agp_init(rdev);
425		if (r) {
426			radeon_agp_disable(rdev);
427		}
428	}
429	/* initialize memory controller */
430	r300_mc_init(rdev);
431	r420_debugfs(rdev);
432	/* Fence driver */
433	r = radeon_fence_driver_init(rdev);
434	if (r) {
435		return r;
436	}
437	/* Memory manager */
438	r = radeon_bo_init(rdev);
439	if (r) {
440		return r;
441	}
442	if (rdev->family == CHIP_R420)
443		r100_enable_bm(rdev);
444
445	if (rdev->flags & RADEON_IS_PCIE) {
446		r = rv370_pcie_gart_init(rdev);
447		if (r)
448			return r;
449	}
450	if (rdev->flags & RADEON_IS_PCI) {
451		r = r100_pci_gart_init(rdev);
452		if (r)
453			return r;
454	}
455	r420_set_reg_safe(rdev);
456
457	/* Initialize power management */
458	radeon_pm_init(rdev);
459
460	rdev->accel_working = true;
461	r = r420_startup(rdev);
462	if (r) {
463		/* Somethings want wront with the accel init stop accel */
464		dev_err(rdev->dev, "Disabling GPU acceleration\n");
465		r100_cp_fini(rdev);
466		radeon_wb_fini(rdev);
467		radeon_ib_pool_fini(rdev);
468		radeon_irq_kms_fini(rdev);
469		if (rdev->flags & RADEON_IS_PCIE)
470			rv370_pcie_gart_fini(rdev);
471		if (rdev->flags & RADEON_IS_PCI)
472			r100_pci_gart_fini(rdev);
473		radeon_agp_fini(rdev);
474		rdev->accel_working = false;
475	}
476	return 0;
477}
478
479/*
480 * Debugfs info
481 */
482#if defined(CONFIG_DEBUG_FS)
483static int r420_debugfs_pipes_info(struct seq_file *m, void *data)
484{
485	struct drm_info_node *node = (struct drm_info_node *) m->private;
486	struct drm_device *dev = node->minor->dev;
487	struct radeon_device *rdev = dev->dev_private;
488	uint32_t tmp;
489
490	tmp = RREG32(R400_GB_PIPE_SELECT);
491	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
492	tmp = RREG32(R300_GB_TILE_CONFIG);
493	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
494	tmp = RREG32(R300_DST_PIPE_CONFIG);
495	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
496	return 0;
497}
498
499static struct drm_info_list r420_pipes_info_list[] = {
500	{"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL},
501};
502#endif
503
504int r420_debugfs_pipes_info_init(struct radeon_device *rdev)
505{
506#if defined(CONFIG_DEBUG_FS)
507	return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1);
508#else
509	return 0;
 
510#endif
511}