Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 1 | /* |
Andrew F. Davis | bb5cdf8 | 2017-12-05 14:29:31 -0600 | [diff] [blame] | 2 | * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 3 | * Author: Rob Clark <rob@ti.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 as published by |
| 7 | * the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
Arnd Bergmann | 2d80245 | 2016-05-11 18:01:45 +0200 | [diff] [blame] | 18 | #include <linux/seq_file.h> |
| 19 | |
Laurent Pinchart | 2d278f5 | 2015-03-05 21:31:37 +0200 | [diff] [blame] | 20 | #include <drm/drm_crtc.h> |
| 21 | #include <drm/drm_crtc_helper.h> |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 22 | #include <drm/drm_gem_framebuffer_helper.h> |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 23 | |
Laurent Pinchart | 2d278f5 | 2015-03-05 21:31:37 +0200 | [diff] [blame] | 24 | #include "omap_dmm_tiler.h" |
| 25 | #include "omap_drv.h" |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 26 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 27 | /* |
| 28 | * framebuffer funcs |
| 29 | */ |
| 30 | |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 31 | static const u32 formats[] = { |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 32 | /* 16bpp [A]RGB: */ |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 33 | DRM_FORMAT_RGB565, /* RGB16-565 */ |
| 34 | DRM_FORMAT_RGBX4444, /* RGB12x-4444 */ |
| 35 | DRM_FORMAT_XRGB4444, /* xRGB12-4444 */ |
| 36 | DRM_FORMAT_RGBA4444, /* RGBA12-4444 */ |
| 37 | DRM_FORMAT_ARGB4444, /* ARGB16-4444 */ |
| 38 | DRM_FORMAT_XRGB1555, /* xRGB15-1555 */ |
| 39 | DRM_FORMAT_ARGB1555, /* ARGB16-1555 */ |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 40 | /* 24bpp RGB: */ |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 41 | DRM_FORMAT_RGB888, /* RGB24-888 */ |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 42 | /* 32bpp [A]RGB: */ |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 43 | DRM_FORMAT_RGBX8888, /* RGBx24-8888 */ |
| 44 | DRM_FORMAT_XRGB8888, /* xRGB24-8888 */ |
| 45 | DRM_FORMAT_RGBA8888, /* RGBA32-8888 */ |
| 46 | DRM_FORMAT_ARGB8888, /* ARGB32-8888 */ |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 47 | /* YUV: */ |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 48 | DRM_FORMAT_NV12, |
| 49 | DRM_FORMAT_YUYV, |
| 50 | DRM_FORMAT_UYVY, |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 51 | }; |
| 52 | |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 53 | /* per-plane info for the fb: */ |
| 54 | struct plane { |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 55 | dma_addr_t dma_addr; |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 56 | }; |
| 57 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 58 | #define to_omap_framebuffer(x) container_of(x, struct omap_framebuffer, base) |
| 59 | |
| 60 | struct omap_framebuffer { |
| 61 | struct drm_framebuffer base; |
Tomi Valkeinen | f36eb5a | 2014-09-03 19:25:54 +0000 | [diff] [blame] | 62 | int pin_count; |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 63 | const struct drm_format_info *format; |
Laurent Pinchart | 4d20dfc | 2016-03-26 19:24:01 +0200 | [diff] [blame] | 64 | struct plane planes[2]; |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 65 | /* lock for pinning (pin_count and planes.dma_addr) */ |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 66 | struct mutex lock; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 67 | }; |
| 68 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 69 | static const struct drm_framebuffer_funcs omap_framebuffer_funcs = { |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 70 | .create_handle = drm_gem_fb_create_handle, |
| 71 | .destroy = drm_gem_fb_destroy, |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 72 | }; |
| 73 | |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 74 | static u32 get_linear_addr(struct drm_framebuffer *fb, |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 75 | const struct drm_format_info *format, int n, int x, int y) |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 76 | { |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 77 | struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); |
| 78 | struct plane *plane = &omap_fb->planes[n]; |
Laurent Pinchart | dfe9cfc | 2018-02-11 15:07:33 +0200 | [diff] [blame] | 79 | u32 offset; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 80 | |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 81 | offset = fb->offsets[n] |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 82 | + (x * format->cpp[n] / (n == 0 ? 1 : format->hsub)) |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 83 | + (y * fb->pitches[n] / (n == 0 ? 1 : format->vsub)); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 84 | |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 85 | return plane->dma_addr + offset; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 86 | } |
| 87 | |
Tomi Valkeinen | bfeece5 | 2015-08-27 13:09:22 +0300 | [diff] [blame] | 88 | bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb) |
| 89 | { |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 90 | return omap_gem_flags(fb->obj[0]) & OMAP_BO_TILED; |
Tomi Valkeinen | bfeece5 | 2015-08-27 13:09:22 +0300 | [diff] [blame] | 91 | } |
| 92 | |
Tomi Valkeinen | 8958aeb | 2017-05-15 12:57:46 +0300 | [diff] [blame] | 93 | /* Note: DRM rotates counter-clockwise, TILER & DSS rotates clockwise */ |
Laurent Pinchart | dfe9cfc | 2018-02-11 15:07:33 +0200 | [diff] [blame] | 94 | static u32 drm_rotation_to_tiler(unsigned int drm_rot) |
Tomi Valkeinen | 8958aeb | 2017-05-15 12:57:46 +0300 | [diff] [blame] | 95 | { |
Laurent Pinchart | dfe9cfc | 2018-02-11 15:07:33 +0200 | [diff] [blame] | 96 | u32 orient; |
Tomi Valkeinen | 8958aeb | 2017-05-15 12:57:46 +0300 | [diff] [blame] | 97 | |
| 98 | switch (drm_rot & DRM_MODE_ROTATE_MASK) { |
| 99 | default: |
| 100 | case DRM_MODE_ROTATE_0: |
| 101 | orient = 0; |
| 102 | break; |
| 103 | case DRM_MODE_ROTATE_90: |
| 104 | orient = MASK_XY_FLIP | MASK_X_INVERT; |
| 105 | break; |
| 106 | case DRM_MODE_ROTATE_180: |
| 107 | orient = MASK_X_INVERT | MASK_Y_INVERT; |
| 108 | break; |
| 109 | case DRM_MODE_ROTATE_270: |
| 110 | orient = MASK_XY_FLIP | MASK_Y_INVERT; |
| 111 | break; |
| 112 | } |
| 113 | |
| 114 | if (drm_rot & DRM_MODE_REFLECT_X) |
| 115 | orient ^= MASK_X_INVERT; |
| 116 | |
| 117 | if (drm_rot & DRM_MODE_REFLECT_Y) |
| 118 | orient ^= MASK_Y_INVERT; |
| 119 | |
| 120 | return orient; |
| 121 | } |
| 122 | |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 123 | /* update ovl info for scanout, handles cases of multi-planar fb's, etc. |
| 124 | */ |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 125 | void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 126 | struct drm_plane_state *state, struct omap_overlay_info *info) |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 127 | { |
| 128 | struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 129 | const struct drm_format_info *format = omap_fb->format; |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 130 | struct plane *plane = &omap_fb->planes[0]; |
Laurent Pinchart | dfe9cfc | 2018-02-11 15:07:33 +0200 | [diff] [blame] | 131 | u32 x, y, orient = 0; |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 132 | |
Tomi Valkeinen | 41aff42 | 2017-05-04 11:31:56 +0300 | [diff] [blame] | 133 | info->fourcc = fb->format->format; |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 134 | |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 135 | info->pos_x = state->crtc_x; |
| 136 | info->pos_y = state->crtc_y; |
| 137 | info->out_width = state->crtc_w; |
| 138 | info->out_height = state->crtc_h; |
| 139 | info->width = state->src_w >> 16; |
| 140 | info->height = state->src_h >> 16; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 141 | |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 142 | /* DSS driver wants the w & h in rotated orientation */ |
| 143 | if (drm_rotation_90_or_270(state->rotation)) |
| 144 | swap(info->width, info->height); |
| 145 | |
| 146 | x = state->src_x >> 16; |
| 147 | y = state->src_y >> 16; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 148 | |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 149 | if (omap_gem_flags(fb->obj[0]) & OMAP_BO_TILED) { |
Laurent Pinchart | dfe9cfc | 2018-02-11 15:07:33 +0200 | [diff] [blame] | 150 | u32 w = state->src_w >> 16; |
| 151 | u32 h = state->src_h >> 16; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 152 | |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 153 | orient = drm_rotation_to_tiler(state->rotation); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 154 | |
Tomi Valkeinen | c4df6e4 | 2017-05-15 11:09:25 +0300 | [diff] [blame] | 155 | /* |
| 156 | * omap_gem_rotated_paddr() wants the x & y in tiler units. |
| 157 | * Usually tiler unit size is the same as the pixel size, except |
| 158 | * for YUV422 formats, for which the tiler unit size is 32 bits |
| 159 | * and pixel size is 16 bits. |
| 160 | */ |
| 161 | if (fb->format->format == DRM_FORMAT_UYVY || |
| 162 | fb->format->format == DRM_FORMAT_YUYV) { |
| 163 | x /= 2; |
| 164 | w /= 2; |
| 165 | } |
| 166 | |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 167 | /* adjust x,y offset for invert: */ |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 168 | if (orient & MASK_Y_INVERT) |
| 169 | y += h - 1; |
| 170 | if (orient & MASK_X_INVERT) |
| 171 | x += w - 1; |
| 172 | |
Tomi Valkeinen | c4df6e4 | 2017-05-15 11:09:25 +0300 | [diff] [blame] | 173 | /* Note: x and y are in TILER units, not pixels */ |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 174 | omap_gem_rotated_dma_addr(fb->obj[0], orient, x, y, |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 175 | &info->paddr); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 176 | info->rotation_type = OMAP_DSS_ROT_TILER; |
Tomi Valkeinen | 16f9ede | 2017-05-16 12:48:58 +0300 | [diff] [blame] | 177 | info->rotation = state->rotation ?: DRM_MODE_ROTATE_0; |
Tomi Valkeinen | c4df6e4 | 2017-05-15 11:09:25 +0300 | [diff] [blame] | 178 | /* Note: stride in TILER units, not pixels */ |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 179 | info->screen_width = omap_gem_tiled_stride(fb->obj[0], orient); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 180 | } else { |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 181 | switch (state->rotation & DRM_MODE_ROTATE_MASK) { |
Tomi Valkeinen | 5ac9634 | 2014-04-08 16:18:41 +0300 | [diff] [blame] | 182 | case 0: |
Robert Foss | c2c446a | 2017-05-19 16:50:17 -0400 | [diff] [blame] | 183 | case DRM_MODE_ROTATE_0: |
Tomi Valkeinen | 5ac9634 | 2014-04-08 16:18:41 +0300 | [diff] [blame] | 184 | /* OK */ |
| 185 | break; |
| 186 | |
| 187 | default: |
| 188 | dev_warn(fb->dev->dev, |
| 189 | "rotation '%d' ignored for non-tiled fb\n", |
Tomi Valkeinen | 218ed53 | 2017-05-15 13:40:08 +0300 | [diff] [blame] | 190 | state->rotation); |
Tomi Valkeinen | 5ac9634 | 2014-04-08 16:18:41 +0300 | [diff] [blame] | 191 | break; |
| 192 | } |
| 193 | |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 194 | info->paddr = get_linear_addr(fb, format, 0, x, y); |
Tomi Valkeinen | 517a8a95 | 2017-05-03 14:14:27 +0300 | [diff] [blame] | 195 | info->rotation_type = OMAP_DSS_ROT_NONE; |
Tomi Valkeinen | 16f9ede | 2017-05-16 12:48:58 +0300 | [diff] [blame] | 196 | info->rotation = DRM_MODE_ROTATE_0; |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 197 | info->screen_width = fb->pitches[0]; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | /* convert to pixels: */ |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 201 | info->screen_width /= format->cpp[0]; |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 202 | |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 203 | if (fb->format->format == DRM_FORMAT_NV12) { |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 204 | plane = &omap_fb->planes[1]; |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 205 | |
| 206 | if (info->rotation_type == OMAP_DSS_ROT_TILER) { |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 207 | WARN_ON(!(omap_gem_flags(fb->obj[1]) & OMAP_BO_TILED)); |
| 208 | omap_gem_rotated_dma_addr(fb->obj[1], orient, x/2, y/2, |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 209 | &info->p_uv_addr); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 210 | } else { |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 211 | info->p_uv_addr = get_linear_addr(fb, format, 1, x, y); |
Rob Clark | 3c810c6 | 2012-08-15 15:18:01 -0500 | [diff] [blame] | 212 | } |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 213 | } else { |
| 214 | info->p_uv_addr = 0; |
| 215 | } |
| 216 | } |
| 217 | |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 218 | /* pin, prepare for scanout: */ |
| 219 | int omap_framebuffer_pin(struct drm_framebuffer *fb) |
Rob Clark | b33f34d | 2012-03-05 10:48:35 -0600 | [diff] [blame] | 220 | { |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 221 | struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); |
Ville Syrjälä | bcb0b46 | 2016-12-14 23:30:22 +0200 | [diff] [blame] | 222 | int ret, i, n = fb->format->num_planes; |
Rob Clark | b33f34d | 2012-03-05 10:48:35 -0600 | [diff] [blame] | 223 | |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 224 | mutex_lock(&omap_fb->lock); |
| 225 | |
Tomi Valkeinen | f36eb5a | 2014-09-03 19:25:54 +0000 | [diff] [blame] | 226 | if (omap_fb->pin_count > 0) { |
| 227 | omap_fb->pin_count++; |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 228 | mutex_unlock(&omap_fb->lock); |
Tomi Valkeinen | f36eb5a | 2014-09-03 19:25:54 +0000 | [diff] [blame] | 229 | return 0; |
| 230 | } |
| 231 | |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 232 | for (i = 0; i < n; i++) { |
| 233 | struct plane *plane = &omap_fb->planes[i]; |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 234 | ret = omap_gem_pin(fb->obj[i], &plane->dma_addr); |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 235 | if (ret) |
| 236 | goto fail; |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 237 | omap_gem_dma_sync_buffer(fb->obj[i], DMA_TO_DEVICE); |
Rob Clark | b33f34d | 2012-03-05 10:48:35 -0600 | [diff] [blame] | 238 | } |
| 239 | |
Tomi Valkeinen | f36eb5a | 2014-09-03 19:25:54 +0000 | [diff] [blame] | 240 | omap_fb->pin_count++; |
| 241 | |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 242 | mutex_unlock(&omap_fb->lock); |
| 243 | |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 244 | return 0; |
| 245 | |
| 246 | fail: |
| 247 | for (i--; i >= 0; i--) { |
| 248 | struct plane *plane = &omap_fb->planes[i]; |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 249 | omap_gem_unpin(fb->obj[i]); |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 250 | plane->dma_addr = 0; |
Rob Clark | b33f34d | 2012-03-05 10:48:35 -0600 | [diff] [blame] | 251 | } |
| 252 | |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 253 | mutex_unlock(&omap_fb->lock); |
| 254 | |
Rob Clark | b33f34d | 2012-03-05 10:48:35 -0600 | [diff] [blame] | 255 | return ret; |
| 256 | } |
| 257 | |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 258 | /* unpin, no longer being scanned out: */ |
Tomi Valkeinen | 9c36850 | 2015-04-28 14:01:35 +0300 | [diff] [blame] | 259 | void omap_framebuffer_unpin(struct drm_framebuffer *fb) |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 260 | { |
| 261 | struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); |
Ville Syrjälä | bcb0b46 | 2016-12-14 23:30:22 +0200 | [diff] [blame] | 262 | int i, n = fb->format->num_planes; |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 263 | |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 264 | mutex_lock(&omap_fb->lock); |
| 265 | |
Tomi Valkeinen | f36eb5a | 2014-09-03 19:25:54 +0000 | [diff] [blame] | 266 | omap_fb->pin_count--; |
| 267 | |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 268 | if (omap_fb->pin_count > 0) { |
| 269 | mutex_unlock(&omap_fb->lock); |
Tomi Valkeinen | 9c36850 | 2015-04-28 14:01:35 +0300 | [diff] [blame] | 270 | return; |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 271 | } |
Tomi Valkeinen | f36eb5a | 2014-09-03 19:25:54 +0000 | [diff] [blame] | 272 | |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 273 | for (i = 0; i < n; i++) { |
| 274 | struct plane *plane = &omap_fb->planes[i]; |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 275 | omap_gem_unpin(fb->obj[i]); |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 276 | plane->dma_addr = 0; |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 277 | } |
| 278 | |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 279 | mutex_unlock(&omap_fb->lock); |
Rob Clark | 5833bd2 | 2013-08-07 13:41:21 -0400 | [diff] [blame] | 280 | } |
| 281 | |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 282 | #ifdef CONFIG_DEBUG_FS |
| 283 | void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m) |
| 284 | { |
Ville Syrjälä | bcb0b46 | 2016-12-14 23:30:22 +0200 | [diff] [blame] | 285 | int i, n = fb->format->num_planes; |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 286 | |
| 287 | seq_printf(m, "fb: %dx%d@%4.4s\n", fb->width, fb->height, |
Ville Syrjälä | 438b74a | 2016-12-14 23:32:55 +0200 | [diff] [blame] | 288 | (char *)&fb->format->format); |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 289 | |
| 290 | for (i = 0; i < n; i++) { |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 291 | seq_printf(m, " %d: offset=%d pitch=%d, obj: ", |
Daniel Stone | 2ecceeb | 2018-03-30 15:11:21 +0100 | [diff] [blame] | 292 | i, fb->offsets[n], fb->pitches[i]); |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 293 | omap_gem_describe(fb->obj[i], m); |
Rob Clark | f6b6036 | 2012-03-05 10:48:36 -0600 | [diff] [blame] | 294 | } |
| 295 | } |
| 296 | #endif |
| 297 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 298 | struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, |
Ville Syrjälä | 1eb83451 | 2015-11-11 19:11:29 +0200 | [diff] [blame] | 299 | struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd) |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 300 | { |
Laurent Pinchart | a39c94e | 2016-03-26 19:51:57 +0200 | [diff] [blame] | 301 | unsigned int num_planes = drm_format_num_planes(mode_cmd->pixel_format); |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 302 | struct drm_gem_object *bos[4]; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 303 | struct drm_framebuffer *fb; |
Laurent Pinchart | a39c94e | 2016-03-26 19:51:57 +0200 | [diff] [blame] | 304 | int i; |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 305 | |
Laurent Pinchart | a39c94e | 2016-03-26 19:51:57 +0200 | [diff] [blame] | 306 | for (i = 0; i < num_planes; i++) { |
| 307 | bos[i] = drm_gem_object_lookup(file, mode_cmd->handles[i]); |
| 308 | if (!bos[i]) { |
| 309 | fb = ERR_PTR(-ENOENT); |
| 310 | goto error; |
| 311 | } |
| 312 | } |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 313 | |
| 314 | fb = omap_framebuffer_init(dev, mode_cmd, bos); |
Laurent Pinchart | a39c94e | 2016-03-26 19:51:57 +0200 | [diff] [blame] | 315 | if (IS_ERR(fb)) |
| 316 | goto error; |
| 317 | |
| 318 | return fb; |
| 319 | |
| 320 | error: |
Tomi Valkeinen | 9555219 | 2017-08-04 12:20:03 +0300 | [diff] [blame] | 321 | while (--i >= 0) |
Thomas Zimmermann | e64d022 | 2018-06-18 15:07:26 +0200 | [diff] [blame^] | 322 | drm_gem_object_put_unlocked(bos[i]); |
Laurent Pinchart | a39c94e | 2016-03-26 19:51:57 +0200 | [diff] [blame] | 323 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 324 | return fb; |
| 325 | } |
| 326 | |
| 327 | struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, |
Ville Syrjälä | 1eb83451 | 2015-11-11 19:11:29 +0200 | [diff] [blame] | 328 | const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos) |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 329 | { |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 330 | const struct drm_format_info *format = NULL; |
Tomi Valkeinen | 925e494 | 2014-09-25 19:24:27 +0000 | [diff] [blame] | 331 | struct omap_framebuffer *omap_fb = NULL; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 332 | struct drm_framebuffer *fb = NULL; |
Laurent Pinchart | 6941e3d | 2016-03-26 20:01:13 +0200 | [diff] [blame] | 333 | unsigned int pitch = mode_cmd->pitches[0]; |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 334 | int ret, i; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 335 | |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 336 | DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%4.4s)", |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 337 | dev, mode_cmd, mode_cmd->width, mode_cmd->height, |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 338 | (char *)&mode_cmd->pixel_format); |
| 339 | |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 340 | format = drm_format_info(mode_cmd->pixel_format); |
| 341 | |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 342 | for (i = 0; i < ARRAY_SIZE(formats); i++) { |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 343 | if (formats[i] == mode_cmd->pixel_format) |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 344 | break; |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 345 | } |
| 346 | |
Tomi Valkeinen | c2e52e3 | 2017-05-04 11:29:58 +0300 | [diff] [blame] | 347 | if (!format || i == ARRAY_SIZE(formats)) { |
Laurent Pinchart | a078a3d | 2016-03-26 20:02:49 +0200 | [diff] [blame] | 348 | dev_dbg(dev->dev, "unsupported pixel format: %4.4s\n", |
| 349 | (char *)&mode_cmd->pixel_format); |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 350 | ret = -EINVAL; |
| 351 | goto fail; |
| 352 | } |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 353 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 354 | omap_fb = kzalloc(sizeof(*omap_fb), GFP_KERNEL); |
| 355 | if (!omap_fb) { |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 356 | ret = -ENOMEM; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 357 | goto fail; |
| 358 | } |
| 359 | |
| 360 | fb = &omap_fb->base; |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 361 | omap_fb->format = format; |
Tomi Valkeinen | f524ab7 | 2015-06-04 10:56:33 +0300 | [diff] [blame] | 362 | mutex_init(&omap_fb->lock); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 363 | |
Laurent Pinchart | 6941e3d | 2016-03-26 20:01:13 +0200 | [diff] [blame] | 364 | /* |
| 365 | * The code below assumes that no format use more than two planes, and |
| 366 | * that the two planes of multiplane formats need the same number of |
| 367 | * bytes per pixel. |
| 368 | */ |
| 369 | if (format->num_planes == 2 && pitch != mode_cmd->pitches[1]) { |
Laurent Pinchart | a078a3d | 2016-03-26 20:02:49 +0200 | [diff] [blame] | 370 | dev_dbg(dev->dev, "pitches differ between planes 0 and 1\n"); |
Laurent Pinchart | 6941e3d | 2016-03-26 20:01:13 +0200 | [diff] [blame] | 371 | ret = -EINVAL; |
| 372 | goto fail; |
| 373 | } |
| 374 | |
| 375 | if (pitch % format->cpp[0]) { |
Laurent Pinchart | a078a3d | 2016-03-26 20:02:49 +0200 | [diff] [blame] | 376 | dev_dbg(dev->dev, |
Laurent Pinchart | 6941e3d | 2016-03-26 20:01:13 +0200 | [diff] [blame] | 377 | "buffer pitch (%u bytes) is not a multiple of pixel size (%u bytes)\n", |
| 378 | pitch, format->cpp[0]); |
| 379 | ret = -EINVAL; |
| 380 | goto fail; |
| 381 | } |
| 382 | |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 383 | for (i = 0; i < format->num_planes; i++) { |
Rob Clark | 9a0774e | 2012-01-16 12:51:17 -0600 | [diff] [blame] | 384 | struct plane *plane = &omap_fb->planes[i]; |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 385 | unsigned int vsub = i == 0 ? 1 : format->vsub; |
| 386 | unsigned int size; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 387 | |
Laurent Pinchart | c9028b3 | 2016-06-07 00:45:35 +0300 | [diff] [blame] | 388 | size = pitch * mode_cmd->height / vsub; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 389 | |
Laurent Pinchart | 6941e3d | 2016-03-26 20:01:13 +0200 | [diff] [blame] | 390 | if (size > omap_gem_mmap_size(bos[i]) - mode_cmd->offsets[i]) { |
Laurent Pinchart | a078a3d | 2016-03-26 20:02:49 +0200 | [diff] [blame] | 391 | dev_dbg(dev->dev, |
Tomi Valkeinen | 2150c19 | 2017-02-21 09:57:12 +0200 | [diff] [blame] | 392 | "provided buffer object is too small! %zu < %d\n", |
Laurent Pinchart | 6941e3d | 2016-03-26 20:01:13 +0200 | [diff] [blame] | 393 | bos[i]->size - mode_cmd->offsets[i], size); |
Tomi Valkeinen | be4f235 | 2016-01-08 15:51:02 +0200 | [diff] [blame] | 394 | ret = -EINVAL; |
| 395 | goto fail; |
| 396 | } |
| 397 | |
Daniel Stone | 3e44255 | 2018-03-30 15:11:20 +0100 | [diff] [blame] | 398 | fb->obj[i] = bos[i]; |
Laurent Pinchart | 1686908 | 2017-04-21 00:33:51 +0300 | [diff] [blame] | 399 | plane->dma_addr = 0; |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 400 | } |
| 401 | |
Ville Syrjälä | a3f913c | 2016-12-14 22:48:59 +0200 | [diff] [blame] | 402 | drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 403 | |
Daniel Vetter | c7d73f6 | 2012-12-13 23:38:38 +0100 | [diff] [blame] | 404 | ret = drm_framebuffer_init(dev, fb, &omap_framebuffer_funcs); |
| 405 | if (ret) { |
| 406 | dev_err(dev->dev, "framebuffer init failed: %d\n", ret); |
| 407 | goto fail; |
| 408 | } |
| 409 | |
| 410 | DBG("create: FB ID: %d (%p)", fb->base.id, fb); |
| 411 | |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 412 | return fb; |
| 413 | |
| 414 | fail: |
Tomi Valkeinen | 925e494 | 2014-09-25 19:24:27 +0000 | [diff] [blame] | 415 | kfree(omap_fb); |
YAMANE Toshiaki | ddcd49e | 2012-11-14 19:32:17 +0900 | [diff] [blame] | 416 | |
Rob Clark | ae43d7c | 2012-01-16 12:51:15 -0600 | [diff] [blame] | 417 | return ERR_PTR(ret); |
Rob Clark | cd5351f | 2011-11-12 12:09:40 -0600 | [diff] [blame] | 418 | } |