diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_uapi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_uapi.c | 686 |
1 files changed, 497 insertions, 189 deletions
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 9a1f41adfc67..7320db4b8489 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -2,6 +2,7 @@ * Copyright (C) 2014 Red Hat * Copyright (C) 2014 Intel Corp. * Copyright (C) 2018 Intel Corp. + * Copyright (c) 2020, The Linux Foundation. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -26,13 +27,17 @@ * Daniel Vetter <daniel.vetter@ffwll.ch> */ -#include <drm/drm_atomic_uapi.h> #include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_atomic_uapi.h> +#include <drm/drm_framebuffer.h> #include <drm/drm_print.h> #include <drm/drm_drv.h> #include <drm/drm_writeback.h> #include <drm/drm_vblank.h> +#include <drm/drm_colorop.h> +#include <linux/export.h> #include <linux/dma-fence.h> #include <linux/uaccess.h> #include <linux/sync_file.h> @@ -44,10 +49,10 @@ * DOC: overview * * This file contains the marshalling and demarshalling glue for the atomic UAPI - * in all it's form: The monster ATOMIC IOCTL itself, code for GET_PROPERTY and - * SET_PROPERTY IOCTls. Plus interface functions for compatibility helpers and + * in all its forms: The monster ATOMIC IOCTL itself, code for GET_PROPERTY and + * SET_PROPERTY IOCTLs. Plus interface functions for compatibility helpers and * drivers which have special needs to construct their own atomic updates, e.g. - * for load detect or similiar. + * for load detect or similar. */ /** @@ -75,23 +80,27 @@ int drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, state->mode_blob = NULL; if (mode) { + struct drm_property_blob *blob; + drm_mode_convert_to_umode(&umode, mode); - state->mode_blob = - drm_property_create_blob(state->crtc->dev, - sizeof(umode), - &umode); - if (IS_ERR(state->mode_blob)) - return PTR_ERR(state->mode_blob); + blob = drm_property_create_blob(crtc->dev, + sizeof(umode), &umode); + if (IS_ERR(blob)) + return PTR_ERR(blob); drm_mode_copy(&state->mode, mode); + + state->mode_blob = blob; state->enable = true; - DRM_DEBUG_ATOMIC("Set [MODE:%s] for [CRTC:%d:%s] state %p\n", - mode->name, crtc->base.id, crtc->name, state); + drm_dbg_atomic(crtc->dev, + "Set [MODE:%s] for [CRTC:%d:%s] state %p\n", + mode->name, crtc->base.id, crtc->name, state); } else { memset(&state->mode, 0, sizeof(state->mode)); state->enable = false; - DRM_DEBUG_ATOMIC("Set [NOMODE] for [CRTC:%d:%s] state %p\n", - crtc->base.id, crtc->name, state); + drm_dbg_atomic(crtc->dev, + "Set [NOMODE] for [CRTC:%d:%s] state %p\n", + crtc->base.id, crtc->name, state); } return 0; @@ -112,7 +121,7 @@ EXPORT_SYMBOL(drm_atomic_set_mode_for_crtc); * Zero on success, error code on failure. Cannot return -EDEADLK. */ int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, - struct drm_property_blob *blob) + struct drm_property_blob *blob) { struct drm_crtc *crtc = state->crtc; @@ -128,31 +137,35 @@ int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, int ret; if (blob->length != sizeof(struct drm_mode_modeinfo)) { - DRM_DEBUG_ATOMIC("[CRTC:%d:%s] bad mode blob length: %zu\n", - crtc->base.id, crtc->name, - blob->length); + drm_dbg_atomic(crtc->dev, + "[CRTC:%d:%s] bad mode blob length: %zu\n", + crtc->base.id, crtc->name, + blob->length); return -EINVAL; } ret = drm_mode_convert_umode(crtc->dev, &state->mode, blob->data); if (ret) { - DRM_DEBUG_ATOMIC("[CRTC:%d:%s] invalid mode (ret=%d, status=%s):\n", - crtc->base.id, crtc->name, - ret, drm_get_mode_status_name(state->mode.status)); - drm_mode_debug_printmodeline(&state->mode); + drm_dbg_atomic(crtc->dev, + "[CRTC:%d:%s] invalid mode (%s, %pe): " DRM_MODE_FMT "\n", + crtc->base.id, crtc->name, + drm_get_mode_status_name(state->mode.status), + ERR_PTR(ret), DRM_MODE_ARG(&state->mode)); return -EINVAL; } state->mode_blob = drm_property_blob_get(blob); state->enable = true; - DRM_DEBUG_ATOMIC("Set [MODE:%s] for [CRTC:%d:%s] state %p\n", - state->mode.name, crtc->base.id, crtc->name, - state); + drm_dbg_atomic(crtc->dev, + "Set [MODE:%s] for [CRTC:%d:%s] state %p\n", + state->mode.name, crtc->base.id, crtc->name, + state); } else { state->enable = false; - DRM_DEBUG_ATOMIC("Set [NOMODE] for [CRTC:%d:%s] state %p\n", - crtc->base.id, crtc->name, state); + drm_dbg_atomic(crtc->dev, + "Set [NOMODE] for [CRTC:%d:%s] state %p\n", + crtc->base.id, crtc->name, state); } return 0; @@ -160,12 +173,12 @@ int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, EXPORT_SYMBOL(drm_atomic_set_mode_prop_for_crtc); /** - * drm_atomic_set_crtc_for_plane - set crtc for plane + * drm_atomic_set_crtc_for_plane - set CRTC for plane * @plane_state: the plane whose incoming state to update - * @crtc: crtc to use for the plane + * @crtc: CRTC to use for the plane * - * Changing the assigned crtc for a plane requires us to grab the lock and state - * for the new crtc, as needed. This function takes care of all these details + * Changing the assigned CRTC for a plane requires us to grab the lock and state + * for the new CRTC, as needed. This function takes care of all these details * besides updating the pointer in the state object itself. * * Returns: @@ -202,12 +215,14 @@ drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state, } if (crtc) - DRM_DEBUG_ATOMIC("Link [PLANE:%d:%s] state %p to [CRTC:%d:%s]\n", - plane->base.id, plane->name, plane_state, - crtc->base.id, crtc->name); + drm_dbg_atomic(plane->dev, + "Link [PLANE:%d:%s] state %p to [CRTC:%d:%s]\n", + plane->base.id, plane->name, plane_state, + crtc->base.id, crtc->name); else - DRM_DEBUG_ATOMIC("Link [PLANE:%d:%s] state %p to [NOCRTC]\n", - plane->base.id, plane->name, plane_state); + drm_dbg_atomic(plane->dev, + "Link [PLANE:%d:%s] state %p to [NOCRTC]\n", + plane->base.id, plane->name, plane_state); return 0; } @@ -230,61 +245,54 @@ drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state, struct drm_plane *plane = plane_state->plane; if (fb) - DRM_DEBUG_ATOMIC("Set [FB:%d] for [PLANE:%d:%s] state %p\n", - fb->base.id, plane->base.id, plane->name, - plane_state); + drm_dbg_atomic(plane->dev, + "Set [FB:%d] for [PLANE:%d:%s] state %p\n", + fb->base.id, plane->base.id, plane->name, + plane_state); else - DRM_DEBUG_ATOMIC("Set [NOFB] for [PLANE:%d:%s] state %p\n", - plane->base.id, plane->name, plane_state); + drm_dbg_atomic(plane->dev, + "Set [NOFB] for [PLANE:%d:%s] state %p\n", + plane->base.id, plane->name, plane_state); drm_framebuffer_assign(&plane_state->fb, fb); } EXPORT_SYMBOL(drm_atomic_set_fb_for_plane); /** - * drm_atomic_set_fence_for_plane - set fence for plane + * drm_atomic_set_colorop_for_plane - set colorop for plane * @plane_state: atomic state object for the plane - * @fence: dma_fence to use for the plane - * - * Helper to setup the plane_state fence in case it is not set yet. - * By using this drivers doesn't need to worry if the user choose - * implicit or explicit fencing. + * @colorop: colorop to use for the plane * - * This function will not set the fence to the state if it was set - * via explicit fencing interfaces on the atomic ioctl. In that case it will - * drop the reference to the fence as we are not storing it anywhere. - * Otherwise, if &drm_plane_state.fence is not set this function we just set it - * with the received implicit fence. In both cases this function consumes a - * reference for @fence. - * - * This way explicit fencing can be used to overrule implicit fencing, which is - * important to make explicit fencing use-cases work: One example is using one - * buffer for 2 screens with different refresh rates. Implicit fencing will - * clamp rendering to the refresh rate of the slower screen, whereas explicit - * fence allows 2 independent render and display loops on a single buffer. If a - * driver allows obeys both implicit and explicit fences for plane updates, then - * it will break all the benefits of explicit fencing. + * Helper function to select the color pipeline on a plane by setting + * it to the first drm_colorop element of the pipeline. */ void -drm_atomic_set_fence_for_plane(struct drm_plane_state *plane_state, - struct dma_fence *fence) +drm_atomic_set_colorop_for_plane(struct drm_plane_state *plane_state, + struct drm_colorop *colorop) { - if (plane_state->fence) { - dma_fence_put(fence); - return; - } + struct drm_plane *plane = plane_state->plane; - plane_state->fence = fence; + if (colorop) + drm_dbg_atomic(plane->dev, + "Set [COLOROP:%d] for [PLANE:%d:%s] state %p\n", + colorop->base.id, plane->base.id, plane->name, + plane_state); + else + drm_dbg_atomic(plane->dev, + "Set [NOCOLOROP] for [PLANE:%d:%s] state %p\n", + plane->base.id, plane->name, plane_state); + + plane_state->color_pipeline = colorop; } -EXPORT_SYMBOL(drm_atomic_set_fence_for_plane); +EXPORT_SYMBOL(drm_atomic_set_colorop_for_plane); /** - * drm_atomic_set_crtc_for_connector - set crtc for connector + * drm_atomic_set_crtc_for_connector - set CRTC for connector * @conn_state: atomic state object for the connector - * @crtc: crtc to use for the connector + * @crtc: CRTC to use for the connector * - * Changing the assigned crtc for a connector requires us to grab the lock and - * state for the new crtc, as needed. This function takes care of all these + * Changing the assigned CRTC for a connector requires us to grab the lock and + * state for the new CRTC, as needed. This function takes care of all these * details besides updating the pointer in the state object itself. * * Returns: @@ -324,13 +332,15 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state, drm_connector_get(conn_state->connector); conn_state->crtc = crtc; - DRM_DEBUG_ATOMIC("Link [CONNECTOR:%d:%s] state %p to [CRTC:%d:%s]\n", - connector->base.id, connector->name, - conn_state, crtc->base.id, crtc->name); + drm_dbg_atomic(connector->dev, + "Link [CONNECTOR:%d:%s] state %p to [CRTC:%d:%s]\n", + connector->base.id, connector->name, + conn_state, crtc->base.id, crtc->name); } else { - DRM_DEBUG_ATOMIC("Link [CONNECTOR:%d:%s] state %p to [NOCRTC]\n", - connector->base.id, connector->name, - conn_state); + drm_dbg_atomic(connector->dev, + "Link [CONNECTOR:%d:%s] state %p to [NOCRTC]\n", + connector->base.id, connector->name, + conn_state); } return 0; @@ -383,39 +393,6 @@ static s32 __user *get_out_fence_for_connector(struct drm_atomic_state *state, return fence_ptr; } -static int -drm_atomic_replace_property_blob_from_id(struct drm_device *dev, - struct drm_property_blob **blob, - uint64_t blob_id, - ssize_t expected_size, - ssize_t expected_elem_size, - bool *replaced) -{ - struct drm_property_blob *new_blob = NULL; - - if (blob_id != 0) { - new_blob = drm_property_lookup_blob(dev, blob_id); - if (new_blob == NULL) - return -EINVAL; - - if (expected_size > 0 && - new_blob->length != expected_size) { - drm_property_blob_put(new_blob); - return -EINVAL; - } - if (expected_elem_size > 0 && - new_blob->length % expected_elem_size != 0) { - drm_property_blob_put(new_blob); - return -EINVAL; - } - } - - *replaced |= drm_property_replace_blob(blob, new_blob); - drm_property_blob_put(new_blob); - - return 0; -} - static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, struct drm_crtc_state *state, struct drm_property *property, uint64_t val) @@ -436,7 +413,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, } else if (property == config->prop_vrr_enabled) { state->vrr_enabled = val; } else if (property == config->degamma_lut_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->degamma_lut, val, -1, sizeof(struct drm_color_lut), @@ -444,7 +421,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, state->color_mgmt_changed |= replaced; return ret; } else if (property == config->ctm_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->ctm, val, sizeof(struct drm_color_ctm), -1, @@ -452,7 +429,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, state->color_mgmt_changed |= replaced; return ret; } else if (property == config->gamma_lut_property) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->gamma_lut, val, -1, sizeof(struct drm_color_lut), @@ -469,12 +446,17 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, return -EFAULT; set_out_fence_for_crtc(state->state, crtc, fence_ptr); + } else if (property == crtc->scaling_filter_property) { + state->scaling_filter = val; + } else if (property == crtc->sharpness_strength_property) { + state->sharpness_strength = val; } else if (crtc->funcs->atomic_set_property) { return crtc->funcs->atomic_set_property(crtc, state, property, val); } else { - DRM_DEBUG_ATOMIC("[CRTC:%d:%s] unknown property [PROP:%d:%s]]\n", - crtc->base.id, crtc->name, - property->base.id, property->name); + drm_dbg_atomic(crtc->dev, + "[CRTC:%d:%s] unknown property [PROP:%d:%s]\n", + crtc->base.id, crtc->name, + property->base.id, property->name); return -EINVAL; } @@ -490,7 +472,7 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc, struct drm_mode_config *config = &dev->mode_config; if (property == config->prop_active) - *val = state->active; + *val = drm_atomic_crtc_effectively_active(state); else if (property == config->prop_mode_id) *val = (state->mode_blob) ? state->mode_blob->base.id : 0; else if (property == config->prop_vrr_enabled) @@ -503,17 +485,26 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc, *val = (state->gamma_lut) ? state->gamma_lut->base.id : 0; else if (property == config->prop_out_fence_ptr) *val = 0; + else if (property == crtc->scaling_filter_property) + *val = state->scaling_filter; + else if (property == crtc->sharpness_strength_property) + *val = state->sharpness_strength; else if (crtc->funcs->atomic_get_property) return crtc->funcs->atomic_get_property(crtc, state, property, val); - else + else { + drm_dbg_atomic(dev, + "[CRTC:%d:%s] unknown property [PROP:%d:%s]\n", + crtc->base.id, crtc->name, + property->base.id, property->name); return -EINVAL; + } return 0; } static int drm_atomic_plane_set_property(struct drm_plane *plane, - struct drm_plane_state *state, struct drm_property *property, - uint64_t val) + struct drm_plane_state *state, struct drm_file *file_priv, + struct drm_property *property, uint64_t val) { struct drm_device *dev = plane->dev; struct drm_mode_config *config = &dev->mode_config; @@ -521,7 +512,9 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, int ret; if (property == config->prop_fb_id) { - struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val); + struct drm_framebuffer *fb; + + fb = drm_framebuffer_lookup(dev, file_priv, val); drm_atomic_set_fb_for_plane(state, fb); if (fb) drm_framebuffer_put(fb); @@ -537,7 +530,14 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, return -EINVAL; } else if (property == config->prop_crtc_id) { - struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val); + struct drm_crtc *crtc = drm_crtc_find(dev, file_priv, val); + + if (val && !crtc) { + drm_dbg_atomic(dev, + "[PROP:%d:%s] cannot find CRTC with ID %llu\n", + property->base.id, property->name, val); + return -EACCES; + } return drm_atomic_set_crtc_for_plane(state, crtc); } else if (property == config->prop_crtc_x) { state->crtc_x = U642I64(val); @@ -561,8 +561,9 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, state->pixel_blend_mode = val; } else if (property == plane->rotation_property) { if (!is_power_of_2(val & DRM_MODE_ROTATE_MASK)) { - DRM_DEBUG_ATOMIC("[PLANE:%d:%s] bad rotation bitmask: 0x%llx\n", - plane->base.id, plane->name, val); + drm_dbg_atomic(plane->dev, + "[PLANE:%d:%s] bad rotation bitmask: 0x%llx\n", + plane->base.id, plane->name, val); return -EINVAL; } state->rotation = val; @@ -572,21 +573,50 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, state->color_encoding = val; } else if (property == plane->color_range_property) { state->color_range = val; + } else if (property == plane->color_pipeline_property) { + /* find DRM colorop object */ + struct drm_colorop *colorop = NULL; + + colorop = drm_colorop_find(dev, file_priv, val); + + if (val && !colorop) + return -EACCES; + + drm_atomic_set_colorop_for_plane(state, colorop); } else if (property == config->prop_fb_damage_clips) { - ret = drm_atomic_replace_property_blob_from_id(dev, + ret = drm_property_replace_blob_from_id(dev, &state->fb_damage_clips, val, -1, - sizeof(struct drm_rect), + sizeof(struct drm_mode_rect), &replaced); return ret; + } else if (property == plane->scaling_filter_property) { + state->scaling_filter = val; } else if (plane->funcs->atomic_set_property) { return plane->funcs->atomic_set_property(plane, state, property, val); + } else if (property == plane->hotspot_x_property) { + if (plane->type != DRM_PLANE_TYPE_CURSOR) { + drm_dbg_atomic(plane->dev, + "[PLANE:%d:%s] is not a cursor plane: 0x%llx\n", + plane->base.id, plane->name, val); + return -EINVAL; + } + state->hotspot_x = val; + } else if (property == plane->hotspot_y_property) { + if (plane->type != DRM_PLANE_TYPE_CURSOR) { + drm_dbg_atomic(plane->dev, + "[PLANE:%d:%s] is not a cursor plane: 0x%llx\n", + plane->base.id, plane->name, val); + return -EINVAL; + } + state->hotspot_y = val; } else { - DRM_DEBUG_ATOMIC("[PLANE:%d:%s] unknown property [PROP:%d:%s]]\n", - plane->base.id, plane->name, - property->base.id, property->name); + drm_dbg_atomic(plane->dev, + "[PLANE:%d:%s] unknown property [PROP:%d:%s]\n", + plane->base.id, plane->name, + property->base.id, property->name); return -EINVAL; } @@ -635,68 +665,174 @@ drm_atomic_plane_get_property(struct drm_plane *plane, *val = state->color_encoding; } else if (property == plane->color_range_property) { *val = state->color_range; + } else if (property == plane->color_pipeline_property) { + *val = (state->color_pipeline) ? state->color_pipeline->base.id : 0; } else if (property == config->prop_fb_damage_clips) { *val = (state->fb_damage_clips) ? state->fb_damage_clips->base.id : 0; + } else if (property == plane->scaling_filter_property) { + *val = state->scaling_filter; } else if (plane->funcs->atomic_get_property) { return plane->funcs->atomic_get_property(plane, state, property, val); + } else if (property == plane->hotspot_x_property) { + *val = state->hotspot_x; + } else if (property == plane->hotspot_y_property) { + *val = state->hotspot_y; } else { + drm_dbg_atomic(dev, + "[PLANE:%d:%s] unknown property [PROP:%d:%s]\n", + plane->base.id, plane->name, + property->base.id, property->name); return -EINVAL; } return 0; } -static struct drm_writeback_job * -drm_atomic_get_writeback_job(struct drm_connector_state *conn_state) +static int drm_atomic_color_set_data_property(struct drm_colorop *colorop, + struct drm_colorop_state *state, + struct drm_property *property, + uint64_t val) { - WARN_ON(conn_state->connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK); + ssize_t elem_size = -1; + ssize_t size = -1; + bool replaced = false; - if (!conn_state->writeback_job) - conn_state->writeback_job = - kzalloc(sizeof(*conn_state->writeback_job), GFP_KERNEL); + switch (colorop->type) { + case DRM_COLOROP_1D_LUT: + size = colorop->size * sizeof(struct drm_color_lut32); + break; + case DRM_COLOROP_CTM_3X4: + size = sizeof(struct drm_color_ctm_3x4); + break; + case DRM_COLOROP_3D_LUT: + size = colorop->size * colorop->size * colorop->size * + sizeof(struct drm_color_lut32); + break; + default: + /* should never get here */ + return -EINVAL; + } - return conn_state->writeback_job; + return drm_property_replace_blob_from_id(colorop->dev, + &state->data, + val, + size, + elem_size, + &replaced); +} + +static int drm_atomic_colorop_set_property(struct drm_colorop *colorop, + struct drm_colorop_state *state, + struct drm_file *file_priv, + struct drm_property *property, + uint64_t val) +{ + if (property == colorop->bypass_property) { + state->bypass = val; + } else if (property == colorop->lut1d_interpolation_property) { + colorop->lut1d_interpolation = val; + } else if (property == colorop->curve_1d_type_property) { + state->curve_1d_type = val; + } else if (property == colorop->multiplier_property) { + state->multiplier = val; + } else if (property == colorop->lut3d_interpolation_property) { + colorop->lut3d_interpolation = val; + } else if (property == colorop->data_property) { + return drm_atomic_color_set_data_property(colorop, state, + property, val); + } else { + drm_dbg_atomic(colorop->dev, + "[COLOROP:%d:%d] unknown property [PROP:%d:%s]\n", + colorop->base.id, colorop->type, + property->base.id, property->name); + return -EINVAL; + } + + return 0; +} + +static int +drm_atomic_colorop_get_property(struct drm_colorop *colorop, + const struct drm_colorop_state *state, + struct drm_property *property, uint64_t *val) +{ + if (property == colorop->type_property) + *val = colorop->type; + else if (property == colorop->bypass_property) + *val = state->bypass; + else if (property == colorop->lut1d_interpolation_property) + *val = colorop->lut1d_interpolation; + else if (property == colorop->curve_1d_type_property) + *val = state->curve_1d_type; + else if (property == colorop->multiplier_property) + *val = state->multiplier; + else if (property == colorop->size_property) + *val = colorop->size; + else if (property == colorop->lut3d_interpolation_property) + *val = colorop->lut3d_interpolation; + else if (property == colorop->data_property) + *val = (state->data) ? state->data->base.id : 0; + else + return -EINVAL; + + return 0; } static int drm_atomic_set_writeback_fb_for_connector( struct drm_connector_state *conn_state, struct drm_framebuffer *fb) { - struct drm_writeback_job *job = - drm_atomic_get_writeback_job(conn_state); - if (!job) - return -ENOMEM; + int ret; + struct drm_connector *conn = conn_state->connector; - drm_framebuffer_assign(&job->fb, fb); + ret = drm_writeback_set_fb(conn_state, fb); + if (ret < 0) + return ret; if (fb) - DRM_DEBUG_ATOMIC("Set [FB:%d] for connector state %p\n", - fb->base.id, conn_state); + drm_dbg_atomic(conn->dev, + "Set [FB:%d] for connector state %p\n", + fb->base.id, conn_state); else - DRM_DEBUG_ATOMIC("Set [NOFB] for connector state %p\n", - conn_state); + drm_dbg_atomic(conn->dev, + "Set [NOFB] for connector state %p\n", + conn_state); return 0; } static int drm_atomic_connector_set_property(struct drm_connector *connector, - struct drm_connector_state *state, struct drm_property *property, - uint64_t val) + struct drm_connector_state *state, struct drm_file *file_priv, + struct drm_property *property, uint64_t val) { struct drm_device *dev = connector->dev; struct drm_mode_config *config = &dev->mode_config; + bool replaced = false; + int ret; if (property == config->prop_crtc_id) { - struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val); + struct drm_crtc *crtc = drm_crtc_find(dev, file_priv, val); + + if (val && !crtc) { + drm_dbg_atomic(dev, + "[PROP:%d:%s] cannot find CRTC with ID %llu\n", + property->base.id, property->name, val); + return -EACCES; + } return drm_atomic_set_crtc_for_connector(state, crtc); } else if (property == config->dpms_property) { /* setting DPMS property requires special handling, which * is done in legacy setprop path for us. Disallow (for * now?) atomic writes to DPMS property: */ + drm_dbg_atomic(dev, + "legacy [PROP:%d:%s] can only be set via legacy uAPI\n", + property->base.id, property->name); return -EINVAL; } else if (property == config->tv_select_subconnector_property) { + state->tv.select_subconnector = val; + } else if (property == config->tv_subconnector_property) { state->tv.subconnector = val; } else if (property == config->tv_left_margin_property) { state->tv.margins.left = val; @@ -706,6 +842,8 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, state->tv.margins.top = val; } else if (property == config->tv_bottom_margin_property) { state->tv.margins.bottom = val; + } else if (property == config->legacy_tv_mode_property) { + state->tv.legacy_mode = val; } else if (property == config->tv_mode_property) { state->tv.mode = val; } else if (property == config->tv_brightness_property) { @@ -729,26 +867,40 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, * restore the state it wants on VT switch. So if the userspace * tries to change the link_status from GOOD to BAD, driver * silently rejects it and returns a 0. This prevents userspace - * from accidently breaking the display when it restores the + * from accidentally breaking the display when it restores the * state. */ if (state->link_status != DRM_LINK_STATUS_GOOD) state->link_status = val; + } else if (property == config->hdr_output_metadata_property) { + ret = drm_property_replace_blob_from_id(dev, + &state->hdr_output_metadata, + val, + sizeof(struct hdr_output_metadata), -1, + &replaced); + return ret; } else if (property == config->aspect_ratio_property) { state->picture_aspect_ratio = val; } else if (property == config->content_type_property) { state->content_type = val; } else if (property == connector->scaling_mode_property) { state->scaling_mode = val; - } else if (property == connector->content_protection_property) { + } else if (property == config->content_protection_property) { if (val == DRM_MODE_CONTENT_PROTECTION_ENABLED) { - DRM_DEBUG_KMS("only drivers can set CP Enabled\n"); + drm_dbg_kms(dev, "only drivers can set CP Enabled\n"); return -EINVAL; } state->content_protection = val; + } else if (property == config->hdcp_content_type_property) { + state->hdcp_content_type = val; + } else if (property == connector->colorspace_property) { + state->colorspace = val; } else if (property == config->writeback_fb_id_property) { - struct drm_framebuffer *fb = drm_framebuffer_lookup(dev, NULL, val); - int ret = drm_atomic_set_writeback_fb_for_connector(state, fb); + struct drm_framebuffer *fb; + int ret; + + fb = drm_framebuffer_lookup(dev, file_priv, val); + ret = drm_atomic_set_writeback_fb_for_connector(state, fb); if (fb) drm_framebuffer_put(fb); return ret; @@ -759,13 +911,18 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, fence_ptr); } else if (property == connector->max_bpc_property) { state->max_requested_bpc = val; + } else if (property == connector->privacy_screen_sw_state_property) { + state->privacy_screen_sw_state = val; + } else if (property == connector->broadcast_rgb_property) { + state->hdmi.broadcast_rgb = val; } else if (connector->funcs->atomic_set_property) { return connector->funcs->atomic_set_property(connector, state, property, val); } else { - DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] unknown property [PROP:%d:%s]]\n", - connector->base.id, connector->name, - property->base.id, property->name); + drm_dbg_atomic(connector->dev, + "[CONNECTOR:%d:%s] unknown property [PROP:%d:%s]\n", + connector->base.id, connector->name, + property->base.id, property->name); return -EINVAL; } @@ -783,8 +940,13 @@ drm_atomic_connector_get_property(struct drm_connector *connector, if (property == config->prop_crtc_id) { *val = (state->crtc) ? state->crtc->base.id : 0; } else if (property == config->dpms_property) { - *val = connector->dpms; + if (state->crtc && state->crtc->state->self_refresh_active) + *val = DRM_MODE_DPMS_ON; + else + *val = connector->dpms; } else if (property == config->tv_select_subconnector_property) { + *val = state->tv.select_subconnector; + } else if (property == config->tv_subconnector_property) { *val = state->tv.subconnector; } else if (property == config->tv_left_margin_property) { *val = state->tv.margins.left; @@ -794,6 +956,8 @@ drm_atomic_connector_get_property(struct drm_connector *connector, *val = state->tv.margins.top; } else if (property == config->tv_bottom_margin_property) { *val = state->tv.margins.bottom; + } else if (property == config->legacy_tv_mode_property) { + *val = state->tv.legacy_mode; } else if (property == config->tv_mode_property) { *val = state->tv.mode; } else if (property == config->tv_brightness_property) { @@ -814,10 +978,17 @@ drm_atomic_connector_get_property(struct drm_connector *connector, *val = state->picture_aspect_ratio; } else if (property == config->content_type_property) { *val = state->content_type; + } else if (property == connector->colorspace_property) { + *val = state->colorspace; } else if (property == connector->scaling_mode_property) { *val = state->scaling_mode; - } else if (property == connector->content_protection_property) { + } else if (property == config->hdr_output_metadata_property) { + *val = state->hdr_output_metadata ? + state->hdr_output_metadata->base.id : 0; + } else if (property == config->content_protection_property) { *val = state->content_protection; + } else if (property == config->hdcp_content_type_property) { + *val = state->hdcp_content_type; } else if (property == config->writeback_fb_id_property) { /* Writeback framebuffer is one-shot, write and forget */ *val = 0; @@ -825,10 +996,18 @@ drm_atomic_connector_get_property(struct drm_connector *connector, *val = 0; } else if (property == connector->max_bpc_property) { *val = state->max_requested_bpc; + } else if (property == connector->privacy_screen_sw_state_property) { + *val = state->privacy_screen_sw_state; + } else if (property == connector->broadcast_rgb_property) { + *val = state->hdmi.broadcast_rgb; } else if (connector->funcs->atomic_get_property) { return connector->funcs->atomic_get_property(connector, state, property, val); } else { + drm_dbg_atomic(dev, + "[CONNECTOR:%d:%s] unknown property [PROP:%d:%s]\n", + connector->base.id, connector->name, + property->base.id, property->name); return -EINVAL; } @@ -844,6 +1023,7 @@ int drm_atomic_get_property(struct drm_mode_object *obj, switch (obj->type) { case DRM_MODE_OBJECT_CONNECTOR: { struct drm_connector *connector = obj_to_connector(obj); + WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); ret = drm_atomic_connector_get_property(connector, connector->state, property, val); @@ -851,6 +1031,7 @@ int drm_atomic_get_property(struct drm_mode_object *obj, } case DRM_MODE_OBJECT_CRTC: { struct drm_crtc *crtc = obj_to_crtc(obj); + WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); ret = drm_atomic_crtc_get_property(crtc, crtc->state, property, val); @@ -858,12 +1039,23 @@ int drm_atomic_get_property(struct drm_mode_object *obj, } case DRM_MODE_OBJECT_PLANE: { struct drm_plane *plane = obj_to_plane(obj); + WARN_ON(!drm_modeset_is_locked(&plane->mutex)); ret = drm_atomic_plane_get_property(plane, plane->state, property, val); break; } + case DRM_MODE_OBJECT_COLOROP: { + struct drm_colorop *colorop = obj_to_colorop(obj); + + if (colorop->plane) + WARN_ON(!drm_modeset_is_locked(&colorop->plane->mutex)); + + ret = drm_atomic_colorop_get_property(colorop, colorop->state, property, val); + break; + } default: + drm_dbg_atomic(dev, "[OBJECT:%d] has no properties\n", obj->id); ret = -EINVAL; break; } @@ -910,6 +1102,10 @@ int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state, if (mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; + + if (connector->dpms == mode) + goto out; + connector->dpms = mode; crtc = connector->state->crtc; @@ -942,12 +1138,28 @@ out: return ret; } +static int drm_atomic_check_prop_changes(int ret, uint64_t old_val, uint64_t prop_value, + struct drm_property *prop) +{ + if (ret != 0 || old_val != prop_value) { + drm_dbg_atomic(prop->dev, + "[PROP:%d:%s] No prop can be changed during async flip\n", + prop->base.id, prop->name); + return -EINVAL; + } + + return 0; +} + int drm_atomic_set_property(struct drm_atomic_state *state, + struct drm_file *file_priv, struct drm_mode_object *obj, struct drm_property *prop, - uint64_t prop_value) + u64 prop_value, + bool async_flip) { struct drm_mode_object *ref; + u64 old_val; int ret; if (!drm_property_change_valid_get(prop, prop_value, &ref)) @@ -964,8 +1176,16 @@ int drm_atomic_set_property(struct drm_atomic_state *state, break; } + if (async_flip) { + ret = drm_atomic_connector_get_property(connector, connector_state, + prop, &old_val); + ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop); + break; + } + ret = drm_atomic_connector_set_property(connector, - connector_state, prop, prop_value); + connector_state, file_priv, + prop, prop_value); break; } case DRM_MODE_OBJECT_CRTC: { @@ -978,6 +1198,13 @@ int drm_atomic_set_property(struct drm_atomic_state *state, break; } + if (async_flip) { + ret = drm_atomic_crtc_get_property(crtc, crtc_state, + prop, &old_val); + ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop); + break; + } + ret = drm_atomic_crtc_set_property(crtc, crtc_state, prop, prop_value); break; @@ -985,6 +1212,8 @@ int drm_atomic_set_property(struct drm_atomic_state *state, case DRM_MODE_OBJECT_PLANE: { struct drm_plane *plane = obj_to_plane(obj); struct drm_plane_state *plane_state; + struct drm_mode_config *config = &plane->dev->mode_config; + const struct drm_plane_helper_funcs *plane_funcs = plane->helper_private; plane_state = drm_atomic_get_plane_state(state, plane); if (IS_ERR(plane_state)) { @@ -992,11 +1221,55 @@ int drm_atomic_set_property(struct drm_atomic_state *state, break; } + if (async_flip) { + /* no-op changes are always allowed */ + ret = drm_atomic_plane_get_property(plane, plane_state, + prop, &old_val); + ret = drm_atomic_check_prop_changes(ret, old_val, prop_value, prop); + + /* fail everything that isn't no-op or a pure flip */ + if (ret && prop != config->prop_fb_id && + prop != config->prop_in_fence_fd && + prop != config->prop_fb_damage_clips) { + break; + } + + if (ret && plane->type != DRM_PLANE_TYPE_PRIMARY) { + /* ask the driver if this non-primary plane is supported */ + if (plane_funcs && plane_funcs->atomic_async_check) + ret = plane_funcs->atomic_async_check(plane, state, true); + + if (ret) { + drm_dbg_atomic(prop->dev, + "[PLANE:%d:%s] does not support async flips\n", + obj->id, plane->name); + break; + } + } + } + ret = drm_atomic_plane_set_property(plane, - plane_state, prop, prop_value); + plane_state, file_priv, + prop, prop_value); + + break; + } + case DRM_MODE_OBJECT_COLOROP: { + struct drm_colorop *colorop = obj_to_colorop(obj); + struct drm_colorop_state *colorop_state; + + colorop_state = drm_atomic_get_colorop_state(state, colorop); + if (IS_ERR(colorop_state)) { + ret = PTR_ERR(colorop_state); + break; + } + + ret = drm_atomic_colorop_set_property(colorop, colorop_state, + file_priv, prop, prop_value); break; } default: + drm_dbg_atomic(prop->dev, "[OBJECT:%d] has no properties\n", obj->id); ret = -EINVAL; break; } @@ -1009,17 +1282,17 @@ int drm_atomic_set_property(struct drm_atomic_state *state, * DOC: explicit fencing properties * * Explicit fencing allows userspace to control the buffer synchronization - * between devices. A Fence or a group of fences are transfered to/from + * between devices. A Fence or a group of fences are transferred to/from * userspace using Sync File fds and there are two DRM properties for that. * IN_FENCE_FD on each DRM Plane to send fences to the kernel and * OUT_FENCE_PTR on each DRM CRTC to receive fences from the kernel. * * As a contrast, with implicit fencing the kernel keeps track of any * ongoing rendering, and automatically ensures that the atomic update waits - * for any pending rendering to complete. For shared buffers represented with - * a &struct dma_buf this is tracked in &struct reservation_object. - * Implicit syncing is how Linux traditionally worked (e.g. DRI2/3 on X.org), - * whereas explicit fencing is what Android wants. + * for any pending rendering to complete. This is usually tracked in &struct + * dma_resv which can also contain mandatory kernel fences. Implicit syncing + * is how Linux traditionally worked (e.g. DRI2/3 on X.org), whereas explicit + * fencing is what Android wants. * * "IN_FENCE_FD”: * Use this property to pass a fence that DRM should wait on before @@ -1034,7 +1307,7 @@ int drm_atomic_set_property(struct drm_atomic_state *state, * * On the driver side the fence is stored on the @fence parameter of * &struct drm_plane_state. Drivers which also support implicit fencing - * should set the implicit fence using drm_atomic_set_fence_for_plane(), + * should extract the implicit fence using drm_gem_plane_helper_prepare_fb(), * to make sure there's consistent behaviour between drivers in precedence * of implicit vs. explicit fencing. * @@ -1158,19 +1431,17 @@ static int prepare_signaling(struct drm_device *dev, for_each_new_connector_in_state(state, conn, conn_state, i) { struct drm_writeback_connector *wb_conn; - struct drm_writeback_job *job; struct drm_out_fence_state *f; struct dma_fence *fence; s32 __user *fence_ptr; + if (!conn_state->writeback_job) + continue; + fence_ptr = get_out_fence_for_connector(state, conn); if (!fence_ptr) continue; - job = drm_atomic_get_writeback_job(conn_state); - if (!job) - return -ENOMEM; - f = krealloc(*fence_state, sizeof(**fence_state) * (*num_fences + 1), GFP_KERNEL); if (!f) @@ -1192,15 +1463,17 @@ static int prepare_signaling(struct drm_device *dev, return ret; } - job->out_fence = fence; + conn_state->writeback_job->out_fence = fence; } /* * Having this flag means user mode pends on event which will never * reach due to lack of at least one CRTC for signaling */ - if (c == 0 && (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) + if (c == 0 && (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) { + drm_dbg_atomic(dev, "need at least one CRTC for DRM_MODE_PAGE_FLIP_EVENT"); return -EINVAL; + } return 0; } @@ -1249,12 +1522,24 @@ static void complete_signaling(struct drm_device *dev, /* If this fails log error to the user */ if (fence_state[i].out_fence_ptr && put_user(-1, fence_state[i].out_fence_ptr)) - DRM_DEBUG_ATOMIC("Couldn't clear out_fence_ptr\n"); + drm_dbg_atomic(dev, "Couldn't clear out_fence_ptr\n"); } kfree(fence_state); } +static void +set_async_flip(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + int i; + + for_each_new_crtc_in_state(state, crtc, crtc_state, i) { + crtc_state->async_flip = true; + } +} + int drm_mode_atomic_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -1269,6 +1554,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, struct drm_out_fence_state *fence_state; int ret = 0; unsigned int i, j, num_fences; + bool async_flip = false; /* disallow for drivers not supporting atomic: */ if (!drm_core_check_feature(dev, DRIVER_ATOMIC)) @@ -1278,23 +1564,39 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, * though this may be a bit overkill, since legacy userspace * wouldn't know how to call this ioctl) */ - if (!file_priv->atomic) + if (!file_priv->atomic) { + drm_dbg_atomic(dev, + "commit failed: atomic cap not enabled\n"); return -EINVAL; + } - if (arg->flags & ~DRM_MODE_ATOMIC_FLAGS) + if (arg->flags & ~DRM_MODE_ATOMIC_FLAGS) { + drm_dbg_atomic(dev, "commit failed: invalid flag\n"); return -EINVAL; + } - if (arg->reserved) + if (arg->reserved) { + drm_dbg_atomic(dev, "commit failed: reserved field set\n"); return -EINVAL; + } - if ((arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) && - !dev->mode_config.async_page_flip) - return -EINVAL; + if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) { + if (!dev->mode_config.async_page_flip) { + drm_dbg_atomic(dev, + "commit failed: DRM_MODE_PAGE_FLIP_ASYNC not supported\n"); + return -EINVAL; + } + + async_flip = true; + } /* can't test and expect an event at the same time. */ if ((arg->flags & DRM_MODE_ATOMIC_TEST_ONLY) && - (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) + (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) { + drm_dbg_atomic(dev, + "commit failed: page-flip event requested with test-only commit\n"); return -EINVAL; + } state = drm_atomic_state_alloc(dev); if (!state) @@ -1303,6 +1605,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); state->acquire_ctx = &ctx; state->allow_modeset = !!(arg->flags & DRM_MODE_ATOMIC_ALLOW_MODESET); + state->plane_color_pipeline = file_priv->plane_color_pipeline; retry: copied_objs = 0; @@ -1321,11 +1624,13 @@ retry: obj = drm_mode_object_find(dev, file_priv, obj_id, DRM_MODE_OBJECT_ANY); if (!obj) { + drm_dbg_atomic(dev, "cannot find object ID %d", obj_id); ret = -ENOENT; goto out; } if (!obj->properties) { + drm_dbg_atomic(dev, "[OBJECT:%d] has no properties", obj_id); drm_mode_object_put(obj); ret = -ENOENT; goto out; @@ -1352,6 +1657,9 @@ retry: prop = drm_mode_obj_find_prop_id(obj, prop_id); if (!prop) { + drm_dbg_atomic(dev, + "[OBJECT:%d] cannot find property ID %d", + obj_id, prop_id); drm_mode_object_put(obj); ret = -ENOENT; goto out; @@ -1365,8 +1673,8 @@ retry: goto out; } - ret = drm_atomic_set_property(state, obj, prop, - prop_value); + ret = drm_atomic_set_property(state, file_priv, obj, + prop, prop_value, async_flip); if (ret) { drm_mode_object_put(obj); goto out; @@ -1383,14 +1691,14 @@ retry: if (ret) goto out; + if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) + set_async_flip(state); + if (arg->flags & DRM_MODE_ATOMIC_TEST_ONLY) { ret = drm_atomic_check_only(state); } else if (arg->flags & DRM_MODE_ATOMIC_NONBLOCK) { ret = drm_atomic_nonblocking_commit(state); } else { - if (unlikely(drm_debug & DRM_UT_STATE)) - drm_atomic_print_state(state); - ret = drm_atomic_commit(state); } |