1caab277bSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 28bb0daffSRob Clark /* 3*1b409fdaSAlexander A. Klimov * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ 48bb0daffSRob Clark * Author: Rob Clark <rob.clark@linaro.org> 58bb0daffSRob Clark */ 68bb0daffSRob Clark 7c423bc85STomi Valkeinen #include <drm/drm_atomic.h> 869a12263SLaurent Pinchart #include <drm/drm_atomic_helper.h> 9de8e4100SLaurent Pinchart #include <drm/drm_plane_helper.h> 1069a12263SLaurent Pinchart 118bb0daffSRob Clark #include "omap_dmm_tiler.h" 122d278f54SLaurent Pinchart #include "omap_drv.h" 138bb0daffSRob Clark 148bb0daffSRob Clark /* 158bb0daffSRob Clark * plane funcs 168bb0daffSRob Clark */ 178bb0daffSRob Clark 188bb0daffSRob Clark #define to_omap_plane(x) container_of(x, struct omap_plane, base) 198bb0daffSRob Clark 208bb0daffSRob Clark struct omap_plane { 218bb0daffSRob Clark struct drm_plane base; 22694c99cfSJyri Sarha enum omap_plane_id id; 238bb0daffSRob Clark const char *name; 248bb0daffSRob Clark }; 258bb0daffSRob Clark 2611ffd031STomi Valkeinen static int omap_plane_prepare_fb(struct drm_plane *plane, 271832040dSChris Wilson struct drm_plane_state *new_state) 2811ffd031STomi Valkeinen { 29844f9111SMaarten Lankhorst if (!new_state->fb) 30844f9111SMaarten Lankhorst return 0; 31844f9111SMaarten Lankhorst 32844f9111SMaarten Lankhorst return omap_framebuffer_pin(new_state->fb); 3311ffd031STomi Valkeinen } 3411ffd031STomi Valkeinen 3511ffd031STomi Valkeinen static void omap_plane_cleanup_fb(struct drm_plane *plane, 361832040dSChris Wilson struct drm_plane_state *old_state) 3711ffd031STomi Valkeinen { 38844f9111SMaarten Lankhorst if (old_state->fb) 39844f9111SMaarten Lankhorst omap_framebuffer_unpin(old_state->fb); 4011ffd031STomi Valkeinen } 4111ffd031STomi Valkeinen 4211ffd031STomi Valkeinen static void omap_plane_atomic_update(struct drm_plane *plane, 4311ffd031STomi Valkeinen struct drm_plane_state *old_state) 44afc34932SLaurent Pinchart { 459f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 46edc72557SLaurent Pinchart struct omap_plane *omap_plane = to_omap_plane(plane); 47edc72557SLaurent Pinchart struct drm_plane_state *state = plane->state; 48fb730c9bSLaurent Pinchart struct omap_overlay_info info; 498bb0daffSRob Clark int ret; 508bb0daffSRob Clark 51edc72557SLaurent Pinchart DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb); 528bb0daffSRob Clark 53fb730c9bSLaurent Pinchart memset(&info, 0, sizeof(info)); 54517a8a95STomi Valkeinen info.rotation_type = OMAP_DSS_ROT_NONE; 550bd97c42STomi Valkeinen info.rotation = DRM_MODE_ROTATE_0; 563037e0c5SJean-Jacques Hiblot info.global_alpha = state->alpha >> 8; 5723936ba9SPeter Ujfalusi info.zorder = state->normalized_zpos; 583037e0c5SJean-Jacques Hiblot if (state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI) 593037e0c5SJean-Jacques Hiblot info.pre_mult_alpha = 1; 603037e0c5SJean-Jacques Hiblot else 613037e0c5SJean-Jacques Hiblot info.pre_mult_alpha = 0; 62fb730c9bSLaurent Pinchart 638bb0daffSRob Clark /* update scanout: */ 64218ed535STomi Valkeinen omap_framebuffer_update_scanout(state->fb, state, &info); 658bb0daffSRob Clark 66fb730c9bSLaurent Pinchart DBG("%dx%d -> %dx%d (%d)", info.width, info.height, 67fb730c9bSLaurent Pinchart info.out_width, info.out_height, 68fb730c9bSLaurent Pinchart info.screen_width); 69fb730c9bSLaurent Pinchart DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, 70fb730c9bSLaurent Pinchart &info.paddr, &info.p_uv_addr); 718bb0daffSRob Clark 728bb0daffSRob Clark /* and finally, update omapdss: */ 7350638ae5SLaurent Pinchart ret = priv->dispc_ops->ovl_setup(priv->dispc, omap_plane->id, &info, 7449a3057aSTomi Valkeinen omap_crtc_timings(state->crtc), false, 7549a3057aSTomi Valkeinen omap_crtc_channel(state->crtc)); 76cfb73f20STomi Valkeinen if (ret) { 77cfb73f20STomi Valkeinen dev_err(plane->dev->dev, "Failed to setup plane %s\n", 78cfb73f20STomi Valkeinen omap_plane->name); 7950638ae5SLaurent Pinchart priv->dispc_ops->ovl_enable(priv->dispc, omap_plane->id, false); 80d9157dfdSTomi Valkeinen return; 81794a65ffSTomi Valkeinen } 828bb0daffSRob Clark 8350638ae5SLaurent Pinchart priv->dispc_ops->ovl_enable(priv->dispc, omap_plane->id, true); 84de8e4100SLaurent Pinchart } 85de8e4100SLaurent Pinchart 86de8e4100SLaurent Pinchart static void omap_plane_atomic_disable(struct drm_plane *plane, 87de8e4100SLaurent Pinchart struct drm_plane_state *old_state) 888bb0daffSRob Clark { 899f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 908bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 912debab97SLaurent Pinchart 92c2c446adSRobert Foss plane->state->rotation = DRM_MODE_ROTATE_0; 93ba527c13SLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 9482e58855SLaurent Pinchart ? 0 : omap_plane->id; 9582e58855SLaurent Pinchart 9650638ae5SLaurent Pinchart priv->dispc_ops->ovl_enable(priv->dispc, omap_plane->id, false); 978bb0daffSRob Clark } 988bb0daffSRob Clark 99c423bc85STomi Valkeinen static int omap_plane_atomic_check(struct drm_plane *plane, 100c423bc85STomi Valkeinen struct drm_plane_state *state) 101c423bc85STomi Valkeinen { 102c423bc85STomi Valkeinen struct drm_crtc_state *crtc_state; 103c423bc85STomi Valkeinen 10470dd2a62STomi Valkeinen if (!state->fb) 105c423bc85STomi Valkeinen return 0; 106c423bc85STomi Valkeinen 10770dd2a62STomi Valkeinen /* crtc should only be NULL when disabling (i.e., !state->fb) */ 10870dd2a62STomi Valkeinen if (WARN_ON(!state->crtc)) 10970dd2a62STomi Valkeinen return 0; 11070dd2a62STomi Valkeinen 11170dd2a62STomi Valkeinen crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc); 11270dd2a62STomi Valkeinen /* we should have a crtc state if the plane is attached to a crtc */ 11370dd2a62STomi Valkeinen if (WARN_ON(!crtc_state)) 11470dd2a62STomi Valkeinen return 0; 115c423bc85STomi Valkeinen 116aaf7642eSTomi Valkeinen if (!crtc_state->enable) 117aaf7642eSTomi Valkeinen return 0; 118aaf7642eSTomi Valkeinen 119c423bc85STomi Valkeinen if (state->crtc_x < 0 || state->crtc_y < 0) 120c423bc85STomi Valkeinen return -EINVAL; 121c423bc85STomi Valkeinen 122c423bc85STomi Valkeinen if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay) 123c423bc85STomi Valkeinen return -EINVAL; 124c423bc85STomi Valkeinen 125c423bc85STomi Valkeinen if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay) 126c423bc85STomi Valkeinen return -EINVAL; 127c423bc85STomi Valkeinen 128c2c446adSRobert Foss if (state->rotation != DRM_MODE_ROTATE_0 && 129bfeece55STomi Valkeinen !omap_framebuffer_supports_rotation(state->fb)) 130bfeece55STomi Valkeinen return -EINVAL; 131bfeece55STomi Valkeinen 132c423bc85STomi Valkeinen return 0; 133c423bc85STomi Valkeinen } 134c423bc85STomi Valkeinen 135de8e4100SLaurent Pinchart static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { 136de8e4100SLaurent Pinchart .prepare_fb = omap_plane_prepare_fb, 137de8e4100SLaurent Pinchart .cleanup_fb = omap_plane_cleanup_fb, 138c423bc85STomi Valkeinen .atomic_check = omap_plane_atomic_check, 139de8e4100SLaurent Pinchart .atomic_update = omap_plane_atomic_update, 140de8e4100SLaurent Pinchart .atomic_disable = omap_plane_atomic_disable, 141de8e4100SLaurent Pinchart }; 142de8e4100SLaurent Pinchart 1438bb0daffSRob Clark static void omap_plane_destroy(struct drm_plane *plane) 1448bb0daffSRob Clark { 1458bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1468bb0daffSRob Clark 1478bb0daffSRob Clark DBG("%s", omap_plane->name); 1488bb0daffSRob Clark 1498bb0daffSRob Clark drm_plane_cleanup(plane); 1508bb0daffSRob Clark 1518bb0daffSRob Clark kfree(omap_plane); 1528bb0daffSRob Clark } 1538bb0daffSRob Clark 1548bb0daffSRob Clark /* helper to install properties which are common to planes and crtcs */ 1558bb0daffSRob Clark void omap_plane_install_properties(struct drm_plane *plane, 1568bb0daffSRob Clark struct drm_mode_object *obj) 1578bb0daffSRob Clark { 1588bb0daffSRob Clark struct drm_device *dev = plane->dev; 1598bb0daffSRob Clark struct omap_drm_private *priv = dev->dev_private; 1608bb0daffSRob Clark 1618bb0daffSRob Clark if (priv->has_dmm) { 1620da88db1SVille Syrjälä if (!plane->rotation_property) 1630da88db1SVille Syrjälä drm_plane_create_rotation_property(plane, 164c2c446adSRobert Foss DRM_MODE_ROTATE_0, 165c2c446adSRobert Foss DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | 166c2c446adSRobert Foss DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | 167c2c446adSRobert Foss DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); 168e2cd09b2SLaurent Pinchart 1690da88db1SVille Syrjälä /* Attach the rotation property also to the crtc object */ 1700da88db1SVille Syrjälä if (plane->rotation_property && obj != &plane->base) 1710da88db1SVille Syrjälä drm_object_attach_property(obj, plane->rotation_property, 172c2c446adSRobert Foss DRM_MODE_ROTATE_0); 1738bb0daffSRob Clark } 1748bb0daffSRob Clark 175e2cd09b2SLaurent Pinchart drm_object_attach_property(obj, priv->zorder_prop, 0); 1768bb0daffSRob Clark } 1778bb0daffSRob Clark 178e07323cfSTomi Valkeinen static void omap_plane_reset(struct drm_plane *plane) 179e07323cfSTomi Valkeinen { 180e07323cfSTomi Valkeinen struct omap_plane *omap_plane = to_omap_plane(plane); 181e07323cfSTomi Valkeinen 182d980278bSLaurent Pinchart drm_atomic_helper_plane_reset(plane); 183d980278bSLaurent Pinchart if (!plane->state) 184e07323cfSTomi Valkeinen return; 185e07323cfSTomi Valkeinen 186e07323cfSTomi Valkeinen /* 187ba527c13SLaurent Pinchart * Set the zpos default depending on whether we are a primary or overlay 188e07323cfSTomi Valkeinen * plane. 189e07323cfSTomi Valkeinen */ 190d980278bSLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 191e07323cfSTomi Valkeinen ? 0 : omap_plane->id; 192e07323cfSTomi Valkeinen } 193e07323cfSTomi Valkeinen 194afc34932SLaurent Pinchart static int omap_plane_atomic_set_property(struct drm_plane *plane, 195afc34932SLaurent Pinchart struct drm_plane_state *state, 196afc34932SLaurent Pinchart struct drm_property *property, 197dfe9cfccSLaurent Pinchart u64 val) 198afc34932SLaurent Pinchart { 199afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 200afc34932SLaurent Pinchart 201afc34932SLaurent Pinchart if (property == priv->zorder_prop) 202ba527c13SLaurent Pinchart state->zpos = val; 203afc34932SLaurent Pinchart else 204afc34932SLaurent Pinchart return -EINVAL; 205afc34932SLaurent Pinchart 206a42133a7SLaurent Pinchart return 0; 207afc34932SLaurent Pinchart } 208a42133a7SLaurent Pinchart 209afc34932SLaurent Pinchart static int omap_plane_atomic_get_property(struct drm_plane *plane, 210afc34932SLaurent Pinchart const struct drm_plane_state *state, 211afc34932SLaurent Pinchart struct drm_property *property, 212dfe9cfccSLaurent Pinchart u64 *val) 213afc34932SLaurent Pinchart { 214afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 215a42133a7SLaurent Pinchart 216afc34932SLaurent Pinchart if (property == priv->zorder_prop) 217ba527c13SLaurent Pinchart *val = state->zpos; 218afc34932SLaurent Pinchart else 219afc34932SLaurent Pinchart return -EINVAL; 220afc34932SLaurent Pinchart 221afc34932SLaurent Pinchart return 0; 2228bb0daffSRob Clark } 2238bb0daffSRob Clark 2248bb0daffSRob Clark static const struct drm_plane_funcs omap_plane_funcs = { 225cef77d40SLaurent Pinchart .update_plane = drm_atomic_helper_update_plane, 226cef77d40SLaurent Pinchart .disable_plane = drm_atomic_helper_disable_plane, 227afc34932SLaurent Pinchart .reset = omap_plane_reset, 2288bb0daffSRob Clark .destroy = omap_plane_destroy, 229d980278bSLaurent Pinchart .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 230d980278bSLaurent Pinchart .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 231afc34932SLaurent Pinchart .atomic_set_property = omap_plane_atomic_set_property, 232afc34932SLaurent Pinchart .atomic_get_property = omap_plane_atomic_get_property, 2338bb0daffSRob Clark }; 2348bb0daffSRob Clark 235e8e13b15SJyri Sarha static const char *plane_id_to_name[] = { 2368bb0daffSRob Clark [OMAP_DSS_GFX] = "gfx", 2378bb0daffSRob Clark [OMAP_DSS_VIDEO1] = "vid1", 2388bb0daffSRob Clark [OMAP_DSS_VIDEO2] = "vid2", 2398bb0daffSRob Clark [OMAP_DSS_VIDEO3] = "vid3", 2408bb0daffSRob Clark }; 2418bb0daffSRob Clark 242e8e13b15SJyri Sarha static const enum omap_plane_id plane_idx_to_id[] = { 243e8e13b15SJyri Sarha OMAP_DSS_GFX, 244e8e13b15SJyri Sarha OMAP_DSS_VIDEO1, 245e8e13b15SJyri Sarha OMAP_DSS_VIDEO2, 246e8e13b15SJyri Sarha OMAP_DSS_VIDEO3, 247e8e13b15SJyri Sarha }; 248e8e13b15SJyri Sarha 2498bb0daffSRob Clark /* initialize plane */ 2508bb0daffSRob Clark struct drm_plane *omap_plane_init(struct drm_device *dev, 251e8e13b15SJyri Sarha int idx, enum drm_plane_type type, 252e43f2c33STomi Valkeinen u32 possible_crtcs) 2538bb0daffSRob Clark { 2549f759225STomi Valkeinen struct omap_drm_private *priv = dev->dev_private; 25550638ae5SLaurent Pinchart unsigned int num_planes = priv->dispc_ops->get_num_ovls(priv->dispc); 256ef6b0e02SLaurent Pinchart struct drm_plane *plane; 2578bb0daffSRob Clark struct omap_plane *omap_plane; 258e8e13b15SJyri Sarha enum omap_plane_id id; 259ef6b0e02SLaurent Pinchart int ret; 260eecad437STomi Valkeinen u32 nformats; 261eecad437STomi Valkeinen const u32 *formats; 2628bb0daffSRob Clark 263e8e13b15SJyri Sarha if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id))) 264e8e13b15SJyri Sarha return ERR_PTR(-EINVAL); 265e8e13b15SJyri Sarha 266e8e13b15SJyri Sarha id = plane_idx_to_id[idx]; 267e8e13b15SJyri Sarha 268e8e13b15SJyri Sarha DBG("%s: type=%d", plane_id_to_name[id], type); 2698bb0daffSRob Clark 2708bb0daffSRob Clark omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); 271fffddfd6SLinus Torvalds if (!omap_plane) 272fb9a35f8SLaurent Pinchart return ERR_PTR(-ENOMEM); 2738bb0daffSRob Clark 27450638ae5SLaurent Pinchart formats = priv->dispc_ops->ovl_get_color_modes(priv->dispc, id); 275eecad437STomi Valkeinen for (nformats = 0; formats[nformats]; ++nformats) 276eecad437STomi Valkeinen ; 2778bb0daffSRob Clark omap_plane->id = id; 278e8e13b15SJyri Sarha omap_plane->name = plane_id_to_name[id]; 2798bb0daffSRob Clark 2808bb0daffSRob Clark plane = &omap_plane->base; 2818bb0daffSRob Clark 282e43f2c33STomi Valkeinen ret = drm_universal_plane_init(dev, plane, possible_crtcs, 283eecad437STomi Valkeinen &omap_plane_funcs, formats, 284e6fc3b68SBen Widawsky nformats, NULL, type, NULL); 285ef6b0e02SLaurent Pinchart if (ret < 0) 286ef6b0e02SLaurent Pinchart goto error; 2878bb0daffSRob Clark 288de8e4100SLaurent Pinchart drm_plane_helper_add(plane, &omap_plane_helper_funcs); 289de8e4100SLaurent Pinchart 2908bb0daffSRob Clark omap_plane_install_properties(plane, &plane->base); 291dff6c246SLaurent Pinchart drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1); 2923037e0c5SJean-Jacques Hiblot drm_plane_create_alpha_property(plane); 2933037e0c5SJean-Jacques Hiblot drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PREMULTI) | 2943037e0c5SJean-Jacques Hiblot BIT(DRM_MODE_BLEND_COVERAGE)); 2958bb0daffSRob Clark 2968bb0daffSRob Clark return plane; 297ef6b0e02SLaurent Pinchart 298ef6b0e02SLaurent Pinchart error: 299e8e13b15SJyri Sarha dev_err(dev->dev, "%s(): could not create plane: %s\n", 300e8e13b15SJyri Sarha __func__, plane_id_to_name[id]); 301e8e13b15SJyri Sarha 302ef6b0e02SLaurent Pinchart kfree(omap_plane); 303ef6b0e02SLaurent Pinchart return NULL; 3048bb0daffSRob Clark } 305