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v3.1
  1/*
  2 * Copyright 2007-8 Advanced Micro Devices, Inc.
  3 * Copyright 2008 Red Hat Inc.
  4 *
  5 * Permission is hereby granted, free of charge, to any person obtaining a
  6 * copy of this software and associated documentation files (the "Software"),
  7 * to deal in the Software without restriction, including without limitation
  8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9 * and/or sell copies of the Software, and to permit persons to whom the
 10 * Software is furnished to do so, subject to the following conditions:
 11 *
 12 * The above copyright notice and this permission notice shall be included in
 13 * all copies or substantial portions of the Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21 * OTHER DEALINGS IN THE SOFTWARE.
 22 *
 23 * Authors: Dave Airlie
 24 *          Alex Deucher
 25 */
 26#include "drmP.h"
 27#include "radeon_drm.h"
 28#include "radeon.h"
 29
 30#define CURSOR_WIDTH 64
 31#define CURSOR_HEIGHT 64
 32
 33static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
 34{
 35	struct radeon_device *rdev = crtc->dev->dev_private;
 36	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 37	uint32_t cur_lock;
 38
 39	if (ASIC_IS_DCE4(rdev)) {
 40		cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset);
 41		if (lock)
 42			cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK;
 43		else
 44			cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK;
 45		WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
 46	} else if (ASIC_IS_AVIVO(rdev)) {
 47		cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset);
 48		if (lock)
 49			cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK;
 50		else
 51			cur_lock &= ~AVIVO_D1CURSOR_UPDATE_LOCK;
 52		WREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
 53	} else {
 54		cur_lock = RREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset);
 55		if (lock)
 56			cur_lock |= RADEON_CUR_LOCK;
 57		else
 58			cur_lock &= ~RADEON_CUR_LOCK;
 59		WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, cur_lock);
 60	}
 61}
 62
 63static void radeon_hide_cursor(struct drm_crtc *crtc)
 64{
 65	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 66	struct radeon_device *rdev = crtc->dev->dev_private;
 67
 68	if (ASIC_IS_DCE4(rdev)) {
 69		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
 70		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT));
 71	} else if (ASIC_IS_AVIVO(rdev)) {
 72		WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
 73		WREG32(RADEON_MM_DATA, (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
 74	} else {
 75		switch (radeon_crtc->crtc_id) {
 76		case 0:
 77			WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
 78			break;
 79		case 1:
 80			WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
 81			break;
 82		default:
 83			return;
 84		}
 85		WREG32_P(RADEON_MM_DATA, 0, ~RADEON_CRTC_CUR_EN);
 86	}
 87}
 88
 89static void radeon_show_cursor(struct drm_crtc *crtc)
 90{
 91	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 92	struct radeon_device *rdev = crtc->dev->dev_private;
 93
 94	if (ASIC_IS_DCE4(rdev)) {
 95		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
 96		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN |
 97		       EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT));
 98	} else if (ASIC_IS_AVIVO(rdev)) {
 99		WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
100		WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN |
101		       (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
102	} else {
103		switch (radeon_crtc->crtc_id) {
104		case 0:
105			WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
106			break;
107		case 1:
108			WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
109			break;
110		default:
111			return;
112		}
113
114		WREG32_P(RADEON_MM_DATA, (RADEON_CRTC_CUR_EN |
115					  (RADEON_CRTC_CUR_MODE_24BPP << RADEON_CRTC_CUR_MODE_SHIFT)),
116			 ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK));
117	}
118}
119
120static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
121			      uint64_t gpu_addr)
122{
123	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
124	struct radeon_device *rdev = crtc->dev->dev_private;
125
126	if (ASIC_IS_DCE4(rdev)) {
127		WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
128		       upper_32_bits(gpu_addr));
129		WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
130		       gpu_addr & 0xffffffff);
131	} else if (ASIC_IS_AVIVO(rdev)) {
132		if (rdev->family >= CHIP_RV770) {
133			if (radeon_crtc->crtc_id)
134				WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr));
135			else
136				WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr));
137		}
138		WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
139		       gpu_addr & 0xffffffff);
140	} else {
141		radeon_crtc->legacy_cursor_offset = gpu_addr - radeon_crtc->legacy_display_base_addr;
142		/* offset is from DISP(2)_BASE_ADDRESS */
143		WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset);
144	}
145}
146
147int radeon_crtc_cursor_set(struct drm_crtc *crtc,
148			   struct drm_file *file_priv,
149			   uint32_t handle,
150			   uint32_t width,
151			   uint32_t height)
152{
153	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 
154	struct drm_gem_object *obj;
 
155	uint64_t gpu_addr;
156	int ret;
157
158	if (!handle) {
159		/* turn off cursor */
160		radeon_hide_cursor(crtc);
161		obj = NULL;
162		goto unpin;
163	}
164
165	if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
166		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
167		return -EINVAL;
168	}
169
170	obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
171	if (!obj) {
172		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, radeon_crtc->crtc_id);
173		return -ENOENT;
174	}
175
176	ret = radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
 
 
 
 
 
 
 
 
177	if (ret)
178		goto fail;
179
180	radeon_crtc->cursor_width = width;
181	radeon_crtc->cursor_height = height;
182
183	radeon_lock_cursor(crtc, true);
184	/* XXX only 27 bit offset for legacy cursor */
185	radeon_set_cursor(crtc, obj, gpu_addr);
186	radeon_show_cursor(crtc);
187	radeon_lock_cursor(crtc, false);
188
189unpin:
190	if (radeon_crtc->cursor_bo) {
191		radeon_gem_object_unpin(radeon_crtc->cursor_bo);
 
 
 
 
 
192		drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
193	}
194
195	radeon_crtc->cursor_bo = obj;
196	return 0;
197fail:
198	drm_gem_object_unreference_unlocked(obj);
199
200	return ret;
201}
202
203int radeon_crtc_cursor_move(struct drm_crtc *crtc,
204			    int x, int y)
205{
206	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
207	struct radeon_device *rdev = crtc->dev->dev_private;
208	int xorigin = 0, yorigin = 0;
209	int w = radeon_crtc->cursor_width;
210
211	if (ASIC_IS_AVIVO(rdev)) {
212		/* avivo cursor are offset into the total surface */
213		x += crtc->x;
214		y += crtc->y;
215	}
216	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
217
218	if (x < 0) {
219		xorigin = min(-x, CURSOR_WIDTH - 1);
220		x = 0;
221	}
222	if (y < 0) {
223		yorigin = min(-y, CURSOR_HEIGHT - 1);
224		y = 0;
225	}
226
227	if (ASIC_IS_AVIVO(rdev)) {
228		int i = 0;
229		struct drm_crtc *crtc_p;
230
231		/* avivo cursor image can't end on 128 pixel boundary or
232		 * go past the end of the frame if both crtcs are enabled
233		 */
234		list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) {
235			if (crtc_p->enabled)
236				i++;
237		}
238		if (i > 1) {
239			int cursor_end, frame_end;
240
241			cursor_end = x - xorigin + w;
242			frame_end = crtc->x + crtc->mode.crtc_hdisplay;
243			if (cursor_end >= frame_end) {
244				w = w - (cursor_end - frame_end);
245				if (!(frame_end & 0x7f))
246					w--;
247			} else {
248				if (!(cursor_end & 0x7f))
249					w--;
250			}
251			if (w <= 0)
252				w = 1;
 
 
 
 
 
 
253		}
254	}
255
256	radeon_lock_cursor(crtc, true);
257	if (ASIC_IS_DCE4(rdev)) {
258		WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
259		WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
260		WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
261		       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
262	} else if (ASIC_IS_AVIVO(rdev)) {
263		WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
264		WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
265		WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
266		       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
267	} else {
268		if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
269			y *= 2;
270
271		WREG32(RADEON_CUR_HORZ_VERT_OFF + radeon_crtc->crtc_offset,
272		       (RADEON_CUR_LOCK
273			| (xorigin << 16)
274			| yorigin));
275		WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
276		       (RADEON_CUR_LOCK
277			| (x << 16)
278			| y));
279		/* offset is from DISP(2)_BASE_ADDRESS */
280		WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset +
281								      (yorigin * 256)));
282	}
283	radeon_lock_cursor(crtc, false);
284
285	return 0;
286}
v3.5.6
  1/*
  2 * Copyright 2007-8 Advanced Micro Devices, Inc.
  3 * Copyright 2008 Red Hat Inc.
  4 *
  5 * Permission is hereby granted, free of charge, to any person obtaining a
  6 * copy of this software and associated documentation files (the "Software"),
  7 * to deal in the Software without restriction, including without limitation
  8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9 * and/or sell copies of the Software, and to permit persons to whom the
 10 * Software is furnished to do so, subject to the following conditions:
 11 *
 12 * The above copyright notice and this permission notice shall be included in
 13 * all copies or substantial portions of the Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21 * OTHER DEALINGS IN THE SOFTWARE.
 22 *
 23 * Authors: Dave Airlie
 24 *          Alex Deucher
 25 */
 26#include "drmP.h"
 27#include "radeon_drm.h"
 28#include "radeon.h"
 29
 30#define CURSOR_WIDTH 64
 31#define CURSOR_HEIGHT 64
 32
 33static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
 34{
 35	struct radeon_device *rdev = crtc->dev->dev_private;
 36	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 37	uint32_t cur_lock;
 38
 39	if (ASIC_IS_DCE4(rdev)) {
 40		cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset);
 41		if (lock)
 42			cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK;
 43		else
 44			cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK;
 45		WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
 46	} else if (ASIC_IS_AVIVO(rdev)) {
 47		cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset);
 48		if (lock)
 49			cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK;
 50		else
 51			cur_lock &= ~AVIVO_D1CURSOR_UPDATE_LOCK;
 52		WREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
 53	} else {
 54		cur_lock = RREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset);
 55		if (lock)
 56			cur_lock |= RADEON_CUR_LOCK;
 57		else
 58			cur_lock &= ~RADEON_CUR_LOCK;
 59		WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, cur_lock);
 60	}
 61}
 62
 63static void radeon_hide_cursor(struct drm_crtc *crtc)
 64{
 65	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 66	struct radeon_device *rdev = crtc->dev->dev_private;
 67
 68	if (ASIC_IS_DCE4(rdev)) {
 69		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
 70		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT));
 71	} else if (ASIC_IS_AVIVO(rdev)) {
 72		WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
 73		WREG32(RADEON_MM_DATA, (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
 74	} else {
 75		switch (radeon_crtc->crtc_id) {
 76		case 0:
 77			WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
 78			break;
 79		case 1:
 80			WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
 81			break;
 82		default:
 83			return;
 84		}
 85		WREG32_P(RADEON_MM_DATA, 0, ~RADEON_CRTC_CUR_EN);
 86	}
 87}
 88
 89static void radeon_show_cursor(struct drm_crtc *crtc)
 90{
 91	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 92	struct radeon_device *rdev = crtc->dev->dev_private;
 93
 94	if (ASIC_IS_DCE4(rdev)) {
 95		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
 96		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN |
 97		       EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT));
 98	} else if (ASIC_IS_AVIVO(rdev)) {
 99		WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
100		WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN |
101		       (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
102	} else {
103		switch (radeon_crtc->crtc_id) {
104		case 0:
105			WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
106			break;
107		case 1:
108			WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
109			break;
110		default:
111			return;
112		}
113
114		WREG32_P(RADEON_MM_DATA, (RADEON_CRTC_CUR_EN |
115					  (RADEON_CRTC_CUR_MODE_24BPP << RADEON_CRTC_CUR_MODE_SHIFT)),
116			 ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK));
117	}
118}
119
120static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
121			      uint64_t gpu_addr)
122{
123	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
124	struct radeon_device *rdev = crtc->dev->dev_private;
125
126	if (ASIC_IS_DCE4(rdev)) {
127		WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
128		       upper_32_bits(gpu_addr));
129		WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
130		       gpu_addr & 0xffffffff);
131	} else if (ASIC_IS_AVIVO(rdev)) {
132		if (rdev->family >= CHIP_RV770) {
133			if (radeon_crtc->crtc_id)
134				WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr));
135			else
136				WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, upper_32_bits(gpu_addr));
137		}
138		WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
139		       gpu_addr & 0xffffffff);
140	} else {
141		radeon_crtc->legacy_cursor_offset = gpu_addr - radeon_crtc->legacy_display_base_addr;
142		/* offset is from DISP(2)_BASE_ADDRESS */
143		WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset);
144	}
145}
146
147int radeon_crtc_cursor_set(struct drm_crtc *crtc,
148			   struct drm_file *file_priv,
149			   uint32_t handle,
150			   uint32_t width,
151			   uint32_t height)
152{
153	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
154	struct radeon_device *rdev = crtc->dev->dev_private;
155	struct drm_gem_object *obj;
156	struct radeon_bo *robj;
157	uint64_t gpu_addr;
158	int ret;
159
160	if (!handle) {
161		/* turn off cursor */
162		radeon_hide_cursor(crtc);
163		obj = NULL;
164		goto unpin;
165	}
166
167	if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
168		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
169		return -EINVAL;
170	}
171
172	obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
173	if (!obj) {
174		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, radeon_crtc->crtc_id);
175		return -ENOENT;
176	}
177
178	robj = gem_to_radeon_bo(obj);
179	ret = radeon_bo_reserve(robj, false);
180	if (unlikely(ret != 0))
181		goto fail;
182	/* Only 27 bit offset for legacy cursor */
183	ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM,
184				       ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
185				       &gpu_addr);
186	radeon_bo_unreserve(robj);
187	if (ret)
188		goto fail;
189
190	radeon_crtc->cursor_width = width;
191	radeon_crtc->cursor_height = height;
192
193	radeon_lock_cursor(crtc, true);
 
194	radeon_set_cursor(crtc, obj, gpu_addr);
195	radeon_show_cursor(crtc);
196	radeon_lock_cursor(crtc, false);
197
198unpin:
199	if (radeon_crtc->cursor_bo) {
200		robj = gem_to_radeon_bo(radeon_crtc->cursor_bo);
201		ret = radeon_bo_reserve(robj, false);
202		if (likely(ret == 0)) {
203			radeon_bo_unpin(robj);
204			radeon_bo_unreserve(robj);
205		}
206		drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
207	}
208
209	radeon_crtc->cursor_bo = obj;
210	return 0;
211fail:
212	drm_gem_object_unreference_unlocked(obj);
213
214	return ret;
215}
216
217int radeon_crtc_cursor_move(struct drm_crtc *crtc,
218			    int x, int y)
219{
220	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
221	struct radeon_device *rdev = crtc->dev->dev_private;
222	int xorigin = 0, yorigin = 0;
223	int w = radeon_crtc->cursor_width;
224
225	if (ASIC_IS_AVIVO(rdev)) {
226		/* avivo cursor are offset into the total surface */
227		x += crtc->x;
228		y += crtc->y;
229	}
230	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
231
232	if (x < 0) {
233		xorigin = min(-x, CURSOR_WIDTH - 1);
234		x = 0;
235	}
236	if (y < 0) {
237		yorigin = min(-y, CURSOR_HEIGHT - 1);
238		y = 0;
239	}
240
241	if (ASIC_IS_AVIVO(rdev)) {
242		int i = 0;
243		struct drm_crtc *crtc_p;
244
245		/* avivo cursor image can't end on 128 pixel boundary or
246		 * go past the end of the frame if both crtcs are enabled
247		 */
248		list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) {
249			if (crtc_p->enabled)
250				i++;
251		}
252		if (i > 1) {
253			int cursor_end, frame_end;
254
255			cursor_end = x - xorigin + w;
256			frame_end = crtc->x + crtc->mode.crtc_hdisplay;
257			if (cursor_end >= frame_end) {
258				w = w - (cursor_end - frame_end);
259				if (!(frame_end & 0x7f))
260					w--;
261			} else {
262				if (!(cursor_end & 0x7f))
263					w--;
264			}
265			if (w <= 0) {
266				w = 1;
267				cursor_end = x - xorigin + w;
268				if (!(cursor_end & 0x7f)) {
269					x--;
270					WARN_ON_ONCE(x < 0);
271				}
272			}
273		}
274	}
275
276	radeon_lock_cursor(crtc, true);
277	if (ASIC_IS_DCE4(rdev)) {
278		WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
279		WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
280		WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
281		       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
282	} else if (ASIC_IS_AVIVO(rdev)) {
283		WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
284		WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
285		WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
286		       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
287	} else {
288		if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
289			y *= 2;
290
291		WREG32(RADEON_CUR_HORZ_VERT_OFF + radeon_crtc->crtc_offset,
292		       (RADEON_CUR_LOCK
293			| (xorigin << 16)
294			| yorigin));
295		WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset,
296		       (RADEON_CUR_LOCK
297			| (x << 16)
298			| y));
299		/* offset is from DISP(2)_BASE_ADDRESS */
300		WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset +
301								      (yorigin * 256)));
302	}
303	radeon_lock_cursor(crtc, false);
304
305	return 0;
306}