1caab277bSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 28bb0daffSRob Clark /* 31b409fdaSAlexander 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, 43*977697e2SMaxime Ripard struct drm_atomic_state *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); 4741016fe1SMaxime Ripard struct drm_plane_state *new_state = plane->state; 48fb730c9bSLaurent Pinchart struct omap_overlay_info info; 498bb0daffSRob Clark int ret; 508bb0daffSRob Clark 5141016fe1SMaxime Ripard DBG("%s, crtc=%p fb=%p", omap_plane->name, new_state->crtc, 5241016fe1SMaxime Ripard new_state->fb); 538bb0daffSRob Clark 54fb730c9bSLaurent Pinchart memset(&info, 0, sizeof(info)); 55517a8a95STomi Valkeinen info.rotation_type = OMAP_DSS_ROT_NONE; 560bd97c42STomi Valkeinen info.rotation = DRM_MODE_ROTATE_0; 5741016fe1SMaxime Ripard info.global_alpha = new_state->alpha >> 8; 5841016fe1SMaxime Ripard info.zorder = new_state->normalized_zpos; 5941016fe1SMaxime Ripard if (new_state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI) 603037e0c5SJean-Jacques Hiblot info.pre_mult_alpha = 1; 613037e0c5SJean-Jacques Hiblot else 623037e0c5SJean-Jacques Hiblot info.pre_mult_alpha = 0; 6341016fe1SMaxime Ripard info.color_encoding = new_state->color_encoding; 6441016fe1SMaxime Ripard info.color_range = new_state->color_range; 65fb730c9bSLaurent Pinchart 668bb0daffSRob Clark /* update scanout: */ 6741016fe1SMaxime Ripard omap_framebuffer_update_scanout(new_state->fb, new_state, &info); 688bb0daffSRob Clark 69fb730c9bSLaurent Pinchart DBG("%dx%d -> %dx%d (%d)", info.width, info.height, 70fb730c9bSLaurent Pinchart info.out_width, info.out_height, 71fb730c9bSLaurent Pinchart info.screen_width); 72fb730c9bSLaurent Pinchart DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, 73fb730c9bSLaurent Pinchart &info.paddr, &info.p_uv_addr); 748bb0daffSRob Clark 758bb0daffSRob Clark /* and finally, update omapdss: */ 76dac62bcaSTomi Valkeinen ret = dispc_ovl_setup(priv->dispc, omap_plane->id, &info, 7741016fe1SMaxime Ripard omap_crtc_timings(new_state->crtc), false, 7841016fe1SMaxime Ripard omap_crtc_channel(new_state->crtc)); 79cfb73f20STomi Valkeinen if (ret) { 80cfb73f20STomi Valkeinen dev_err(plane->dev->dev, "Failed to setup plane %s\n", 81cfb73f20STomi Valkeinen omap_plane->name); 82dac62bcaSTomi Valkeinen dispc_ovl_enable(priv->dispc, omap_plane->id, false); 83d9157dfdSTomi Valkeinen return; 84794a65ffSTomi Valkeinen } 858bb0daffSRob Clark 86dac62bcaSTomi Valkeinen dispc_ovl_enable(priv->dispc, omap_plane->id, true); 87de8e4100SLaurent Pinchart } 88de8e4100SLaurent Pinchart 89de8e4100SLaurent Pinchart static void omap_plane_atomic_disable(struct drm_plane *plane, 90*977697e2SMaxime Ripard struct drm_atomic_state *state) 918bb0daffSRob Clark { 92e05162c0SMaxime Ripard struct drm_plane_state *new_state = plane->state; 939f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 948bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 952debab97SLaurent Pinchart 96e05162c0SMaxime Ripard new_state->rotation = DRM_MODE_ROTATE_0; 97e05162c0SMaxime Ripard new_state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : omap_plane->id; 9882e58855SLaurent Pinchart 99dac62bcaSTomi Valkeinen dispc_ovl_enable(priv->dispc, omap_plane->id, false); 1008bb0daffSRob Clark } 1018bb0daffSRob Clark 102c423bc85STomi Valkeinen static int omap_plane_atomic_check(struct drm_plane *plane, 1037c11b99aSMaxime Ripard struct drm_atomic_state *state) 104c423bc85STomi Valkeinen { 1057c11b99aSMaxime Ripard struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 1067c11b99aSMaxime Ripard plane); 107c423bc85STomi Valkeinen struct drm_crtc_state *crtc_state; 108c423bc85STomi Valkeinen 109ba5c1649SMaxime Ripard if (!new_plane_state->fb) 110c423bc85STomi Valkeinen return 0; 111c423bc85STomi Valkeinen 112ba5c1649SMaxime Ripard /* crtc should only be NULL when disabling (i.e., !new_plane_state->fb) */ 113ba5c1649SMaxime Ripard if (WARN_ON(!new_plane_state->crtc)) 11470dd2a62STomi Valkeinen return 0; 11570dd2a62STomi Valkeinen 116dec92020SMaxime Ripard crtc_state = drm_atomic_get_existing_crtc_state(state, 117ba5c1649SMaxime Ripard new_plane_state->crtc); 11870dd2a62STomi Valkeinen /* we should have a crtc state if the plane is attached to a crtc */ 11970dd2a62STomi Valkeinen if (WARN_ON(!crtc_state)) 12070dd2a62STomi Valkeinen return 0; 121c423bc85STomi Valkeinen 122aaf7642eSTomi Valkeinen if (!crtc_state->enable) 123aaf7642eSTomi Valkeinen return 0; 124aaf7642eSTomi Valkeinen 125ba5c1649SMaxime Ripard if (new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0) 126c423bc85STomi Valkeinen return -EINVAL; 127c423bc85STomi Valkeinen 128ba5c1649SMaxime Ripard if (new_plane_state->crtc_x + new_plane_state->crtc_w > crtc_state->adjusted_mode.hdisplay) 129c423bc85STomi Valkeinen return -EINVAL; 130c423bc85STomi Valkeinen 131ba5c1649SMaxime Ripard if (new_plane_state->crtc_y + new_plane_state->crtc_h > crtc_state->adjusted_mode.vdisplay) 132c423bc85STomi Valkeinen return -EINVAL; 133c423bc85STomi Valkeinen 134ba5c1649SMaxime Ripard if (new_plane_state->rotation != DRM_MODE_ROTATE_0 && 135ba5c1649SMaxime Ripard !omap_framebuffer_supports_rotation(new_plane_state->fb)) 136bfeece55STomi Valkeinen return -EINVAL; 137bfeece55STomi Valkeinen 138c423bc85STomi Valkeinen return 0; 139c423bc85STomi Valkeinen } 140c423bc85STomi Valkeinen 141de8e4100SLaurent Pinchart static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { 142de8e4100SLaurent Pinchart .prepare_fb = omap_plane_prepare_fb, 143de8e4100SLaurent Pinchart .cleanup_fb = omap_plane_cleanup_fb, 144c423bc85STomi Valkeinen .atomic_check = omap_plane_atomic_check, 145de8e4100SLaurent Pinchart .atomic_update = omap_plane_atomic_update, 146de8e4100SLaurent Pinchart .atomic_disable = omap_plane_atomic_disable, 147de8e4100SLaurent Pinchart }; 148de8e4100SLaurent Pinchart 1498bb0daffSRob Clark static void omap_plane_destroy(struct drm_plane *plane) 1508bb0daffSRob Clark { 1518bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1528bb0daffSRob Clark 1538bb0daffSRob Clark DBG("%s", omap_plane->name); 1548bb0daffSRob Clark 1558bb0daffSRob Clark drm_plane_cleanup(plane); 1568bb0daffSRob Clark 1578bb0daffSRob Clark kfree(omap_plane); 1588bb0daffSRob Clark } 1598bb0daffSRob Clark 1608bb0daffSRob Clark /* helper to install properties which are common to planes and crtcs */ 1618bb0daffSRob Clark void omap_plane_install_properties(struct drm_plane *plane, 1628bb0daffSRob Clark struct drm_mode_object *obj) 1638bb0daffSRob Clark { 1648bb0daffSRob Clark struct drm_device *dev = plane->dev; 1658bb0daffSRob Clark struct omap_drm_private *priv = dev->dev_private; 1668bb0daffSRob Clark 1678bb0daffSRob Clark if (priv->has_dmm) { 1680da88db1SVille Syrjälä if (!plane->rotation_property) 1690da88db1SVille Syrjälä drm_plane_create_rotation_property(plane, 170c2c446adSRobert Foss DRM_MODE_ROTATE_0, 171c2c446adSRobert Foss DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | 172c2c446adSRobert Foss DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | 173c2c446adSRobert Foss DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); 174e2cd09b2SLaurent Pinchart 1750da88db1SVille Syrjälä /* Attach the rotation property also to the crtc object */ 1760da88db1SVille Syrjälä if (plane->rotation_property && obj != &plane->base) 1770da88db1SVille Syrjälä drm_object_attach_property(obj, plane->rotation_property, 178c2c446adSRobert Foss DRM_MODE_ROTATE_0); 1798bb0daffSRob Clark } 1808bb0daffSRob Clark 181e2cd09b2SLaurent Pinchart drm_object_attach_property(obj, priv->zorder_prop, 0); 1828bb0daffSRob Clark } 1838bb0daffSRob Clark 184e07323cfSTomi Valkeinen static void omap_plane_reset(struct drm_plane *plane) 185e07323cfSTomi Valkeinen { 186e07323cfSTomi Valkeinen struct omap_plane *omap_plane = to_omap_plane(plane); 187e07323cfSTomi Valkeinen 188d980278bSLaurent Pinchart drm_atomic_helper_plane_reset(plane); 189d980278bSLaurent Pinchart if (!plane->state) 190e07323cfSTomi Valkeinen return; 191e07323cfSTomi Valkeinen 192e07323cfSTomi Valkeinen /* 193ba527c13SLaurent Pinchart * Set the zpos default depending on whether we are a primary or overlay 194e07323cfSTomi Valkeinen * plane. 195e07323cfSTomi Valkeinen */ 196d980278bSLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 197e07323cfSTomi Valkeinen ? 0 : omap_plane->id; 19864ff1891SJyri Sarha plane->state->color_encoding = DRM_COLOR_YCBCR_BT601; 19964ff1891SJyri Sarha plane->state->color_range = DRM_COLOR_YCBCR_FULL_RANGE; 200e07323cfSTomi Valkeinen } 201e07323cfSTomi Valkeinen 202afc34932SLaurent Pinchart static int omap_plane_atomic_set_property(struct drm_plane *plane, 203afc34932SLaurent Pinchart struct drm_plane_state *state, 204afc34932SLaurent Pinchart struct drm_property *property, 205dfe9cfccSLaurent Pinchart u64 val) 206afc34932SLaurent Pinchart { 207afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 208afc34932SLaurent Pinchart 209afc34932SLaurent Pinchart if (property == priv->zorder_prop) 210ba527c13SLaurent Pinchart state->zpos = val; 211afc34932SLaurent Pinchart else 212afc34932SLaurent Pinchart return -EINVAL; 213afc34932SLaurent Pinchart 214a42133a7SLaurent Pinchart return 0; 215afc34932SLaurent Pinchart } 216a42133a7SLaurent Pinchart 217afc34932SLaurent Pinchart static int omap_plane_atomic_get_property(struct drm_plane *plane, 218afc34932SLaurent Pinchart const struct drm_plane_state *state, 219afc34932SLaurent Pinchart struct drm_property *property, 220dfe9cfccSLaurent Pinchart u64 *val) 221afc34932SLaurent Pinchart { 222afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 223a42133a7SLaurent Pinchart 224afc34932SLaurent Pinchart if (property == priv->zorder_prop) 225ba527c13SLaurent Pinchart *val = state->zpos; 226afc34932SLaurent Pinchart else 227afc34932SLaurent Pinchart return -EINVAL; 228afc34932SLaurent Pinchart 229afc34932SLaurent Pinchart return 0; 2308bb0daffSRob Clark } 2318bb0daffSRob Clark 2328bb0daffSRob Clark static const struct drm_plane_funcs omap_plane_funcs = { 233cef77d40SLaurent Pinchart .update_plane = drm_atomic_helper_update_plane, 234cef77d40SLaurent Pinchart .disable_plane = drm_atomic_helper_disable_plane, 235afc34932SLaurent Pinchart .reset = omap_plane_reset, 2368bb0daffSRob Clark .destroy = omap_plane_destroy, 237d980278bSLaurent Pinchart .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 238d980278bSLaurent Pinchart .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 239afc34932SLaurent Pinchart .atomic_set_property = omap_plane_atomic_set_property, 240afc34932SLaurent Pinchart .atomic_get_property = omap_plane_atomic_get_property, 2418bb0daffSRob Clark }; 2428bb0daffSRob Clark 24364ff1891SJyri Sarha static bool omap_plane_supports_yuv(struct drm_plane *plane) 24464ff1891SJyri Sarha { 24564ff1891SJyri Sarha struct omap_drm_private *priv = plane->dev->dev_private; 24664ff1891SJyri Sarha struct omap_plane *omap_plane = to_omap_plane(plane); 247dac62bcaSTomi Valkeinen const u32 *formats = dispc_ovl_get_color_modes(priv->dispc, omap_plane->id); 24864ff1891SJyri Sarha u32 i; 24964ff1891SJyri Sarha 25064ff1891SJyri Sarha for (i = 0; formats[i]; i++) 25164ff1891SJyri Sarha if (formats[i] == DRM_FORMAT_YUYV || 25264ff1891SJyri Sarha formats[i] == DRM_FORMAT_UYVY || 25364ff1891SJyri Sarha formats[i] == DRM_FORMAT_NV12) 25464ff1891SJyri Sarha return true; 25564ff1891SJyri Sarha 25664ff1891SJyri Sarha return false; 25764ff1891SJyri Sarha } 25864ff1891SJyri Sarha 259e8e13b15SJyri Sarha static const char *plane_id_to_name[] = { 2608bb0daffSRob Clark [OMAP_DSS_GFX] = "gfx", 2618bb0daffSRob Clark [OMAP_DSS_VIDEO1] = "vid1", 2628bb0daffSRob Clark [OMAP_DSS_VIDEO2] = "vid2", 2638bb0daffSRob Clark [OMAP_DSS_VIDEO3] = "vid3", 2648bb0daffSRob Clark }; 2658bb0daffSRob Clark 266e8e13b15SJyri Sarha static const enum omap_plane_id plane_idx_to_id[] = { 267e8e13b15SJyri Sarha OMAP_DSS_GFX, 268e8e13b15SJyri Sarha OMAP_DSS_VIDEO1, 269e8e13b15SJyri Sarha OMAP_DSS_VIDEO2, 270e8e13b15SJyri Sarha OMAP_DSS_VIDEO3, 271e8e13b15SJyri Sarha }; 272e8e13b15SJyri Sarha 2738bb0daffSRob Clark /* initialize plane */ 2748bb0daffSRob Clark struct drm_plane *omap_plane_init(struct drm_device *dev, 275e8e13b15SJyri Sarha int idx, enum drm_plane_type type, 276e43f2c33STomi Valkeinen u32 possible_crtcs) 2778bb0daffSRob Clark { 2789f759225STomi Valkeinen struct omap_drm_private *priv = dev->dev_private; 279dac62bcaSTomi Valkeinen unsigned int num_planes = dispc_get_num_ovls(priv->dispc); 280ef6b0e02SLaurent Pinchart struct drm_plane *plane; 2818bb0daffSRob Clark struct omap_plane *omap_plane; 282e8e13b15SJyri Sarha enum omap_plane_id id; 283ef6b0e02SLaurent Pinchart int ret; 284eecad437STomi Valkeinen u32 nformats; 285eecad437STomi Valkeinen const u32 *formats; 2868bb0daffSRob Clark 287e8e13b15SJyri Sarha if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id))) 288e8e13b15SJyri Sarha return ERR_PTR(-EINVAL); 289e8e13b15SJyri Sarha 290e8e13b15SJyri Sarha id = plane_idx_to_id[idx]; 291e8e13b15SJyri Sarha 292e8e13b15SJyri Sarha DBG("%s: type=%d", plane_id_to_name[id], type); 2938bb0daffSRob Clark 2948bb0daffSRob Clark omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); 295fffddfd6SLinus Torvalds if (!omap_plane) 296fb9a35f8SLaurent Pinchart return ERR_PTR(-ENOMEM); 2978bb0daffSRob Clark 298dac62bcaSTomi Valkeinen formats = dispc_ovl_get_color_modes(priv->dispc, id); 299eecad437STomi Valkeinen for (nformats = 0; formats[nformats]; ++nformats) 300eecad437STomi Valkeinen ; 3018bb0daffSRob Clark omap_plane->id = id; 302e8e13b15SJyri Sarha omap_plane->name = plane_id_to_name[id]; 3038bb0daffSRob Clark 3048bb0daffSRob Clark plane = &omap_plane->base; 3058bb0daffSRob Clark 306e43f2c33STomi Valkeinen ret = drm_universal_plane_init(dev, plane, possible_crtcs, 307eecad437STomi Valkeinen &omap_plane_funcs, formats, 308e6fc3b68SBen Widawsky nformats, NULL, type, NULL); 309ef6b0e02SLaurent Pinchart if (ret < 0) 310ef6b0e02SLaurent Pinchart goto error; 3118bb0daffSRob Clark 312de8e4100SLaurent Pinchart drm_plane_helper_add(plane, &omap_plane_helper_funcs); 313de8e4100SLaurent Pinchart 3148bb0daffSRob Clark omap_plane_install_properties(plane, &plane->base); 315dff6c246SLaurent Pinchart drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1); 3163037e0c5SJean-Jacques Hiblot drm_plane_create_alpha_property(plane); 3173037e0c5SJean-Jacques Hiblot drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PREMULTI) | 3183037e0c5SJean-Jacques Hiblot BIT(DRM_MODE_BLEND_COVERAGE)); 3198bb0daffSRob Clark 32064ff1891SJyri Sarha if (omap_plane_supports_yuv(plane)) 32164ff1891SJyri Sarha drm_plane_create_color_properties(plane, 32264ff1891SJyri Sarha BIT(DRM_COLOR_YCBCR_BT601) | 32364ff1891SJyri Sarha BIT(DRM_COLOR_YCBCR_BT709), 32464ff1891SJyri Sarha BIT(DRM_COLOR_YCBCR_FULL_RANGE) | 32564ff1891SJyri Sarha BIT(DRM_COLOR_YCBCR_LIMITED_RANGE), 32664ff1891SJyri Sarha DRM_COLOR_YCBCR_BT601, 32764ff1891SJyri Sarha DRM_COLOR_YCBCR_FULL_RANGE); 32864ff1891SJyri Sarha 3298bb0daffSRob Clark return plane; 330ef6b0e02SLaurent Pinchart 331ef6b0e02SLaurent Pinchart error: 332e8e13b15SJyri Sarha dev_err(dev->dev, "%s(): could not create plane: %s\n", 333e8e13b15SJyri Sarha __func__, plane_id_to_name[id]); 334e8e13b15SJyri Sarha 335ef6b0e02SLaurent Pinchart kfree(omap_plane); 336ef6b0e02SLaurent Pinchart return NULL; 3378bb0daffSRob Clark } 338