29beeafde9
Make the linear modifier to the default of DRM format modifiers if supported modifiers isn't get from kernel driver.
1379 lines
39 KiB
C
1379 lines
39 KiB
C
/*
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* Copyright © 2008-2011 Kristian Høgsberg
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* Copyright © 2011 Intel Corporation
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* Copyright © 2017, 2018 Collabora, Ltd.
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* Copyright © 2017, 2018 General Electric Company
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* Copyright (c) 2018 DisplayLink (UK) Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <stdint.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <drm_fourcc.h>
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#include <gbm.h>
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#include <libweston/libweston.h>
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#include <libweston/backend-drm.h>
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#include "shared/helpers.h"
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#include "drm-internal.h"
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#include "pixel-formats.h"
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#include "presentation-time-server-protocol.h"
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#ifndef DRM_FORMAT_MOD_LINEAR
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#define DRM_FORMAT_MOD_LINEAR 0
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#endif
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struct drm_property_enum_info plane_type_enums[] = {
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[WDRM_PLANE_TYPE_PRIMARY] = {
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.name = "Primary",
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},
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[WDRM_PLANE_TYPE_OVERLAY] = {
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.name = "Overlay",
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},
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[WDRM_PLANE_TYPE_CURSOR] = {
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.name = "Cursor",
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},
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};
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const struct drm_property_info plane_props[] = {
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[WDRM_PLANE_TYPE] = {
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.name = "type",
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.enum_values = plane_type_enums,
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.num_enum_values = WDRM_PLANE_TYPE__COUNT,
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},
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[WDRM_PLANE_SRC_X] = { .name = "SRC_X", },
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[WDRM_PLANE_SRC_Y] = { .name = "SRC_Y", },
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[WDRM_PLANE_SRC_W] = { .name = "SRC_W", },
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[WDRM_PLANE_SRC_H] = { .name = "SRC_H", },
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[WDRM_PLANE_CRTC_X] = { .name = "CRTC_X", },
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[WDRM_PLANE_CRTC_Y] = { .name = "CRTC_Y", },
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[WDRM_PLANE_CRTC_W] = { .name = "CRTC_W", },
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[WDRM_PLANE_CRTC_H] = { .name = "CRTC_H", },
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[WDRM_PLANE_FB_ID] = { .name = "FB_ID", },
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[WDRM_PLANE_CRTC_ID] = { .name = "CRTC_ID", },
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[WDRM_PLANE_IN_FORMATS] = { .name = "IN_FORMATS" },
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[WDRM_PLANE_IN_FENCE_FD] = { .name = "IN_FENCE_FD" },
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[WDRM_PLANE_FB_DAMAGE_CLIPS] = { .name = "FB_DAMAGE_CLIPS" },
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};
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struct drm_property_enum_info dpms_state_enums[] = {
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[WDRM_DPMS_STATE_OFF] = {
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.name = "Off",
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},
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[WDRM_DPMS_STATE_ON] = {
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.name = "On",
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},
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[WDRM_DPMS_STATE_STANDBY] = {
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.name = "Standby",
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},
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[WDRM_DPMS_STATE_SUSPEND] = {
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.name = "Suspend",
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},
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};
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const struct drm_property_info connector_props[] = {
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[WDRM_CONNECTOR_EDID] = { .name = "EDID" },
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[WDRM_CONNECTOR_DPMS] = {
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.name = "DPMS",
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.enum_values = dpms_state_enums,
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.num_enum_values = WDRM_DPMS_STATE__COUNT,
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},
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[WDRM_CONNECTOR_CRTC_ID] = { .name = "CRTC_ID", },
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[WDRM_CONNECTOR_NON_DESKTOP] = { .name = "non-desktop", },
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};
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const struct drm_property_info crtc_props[] = {
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[WDRM_CRTC_MODE_ID] = { .name = "MODE_ID", },
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[WDRM_CRTC_ACTIVE] = { .name = "ACTIVE", },
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};
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/**
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* Mode for drm_pending_state_apply and co.
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*/
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enum drm_state_apply_mode {
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DRM_STATE_APPLY_SYNC, /**< state fully processed */
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DRM_STATE_APPLY_ASYNC, /**< state pending event delivery */
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DRM_STATE_TEST_ONLY, /**< test if the state can be applied */
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};
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/**
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* Get the current value of a KMS property
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*
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* Given a drmModeObjectGetProperties return, as well as the drm_property_info
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* for the target property, return the current value of that property,
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* with an optional default. If the property is a KMS enum type, the return
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* value will be translated into the appropriate internal enum.
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*
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* If the property is not present, the default value will be returned.
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*
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* @param info Internal structure for property to look up
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* @param props Raw KMS properties for the target object
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* @param def Value to return if property is not found
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*/
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uint64_t
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drm_property_get_value(struct drm_property_info *info,
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const drmModeObjectProperties *props,
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uint64_t def)
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{
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unsigned int i;
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if (info->prop_id == 0)
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return def;
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for (i = 0; i < props->count_props; i++) {
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unsigned int j;
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if (props->props[i] != info->prop_id)
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continue;
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/* Simple (non-enum) types can return the value directly */
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if (info->num_enum_values == 0)
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return props->prop_values[i];
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/* Map from raw value to enum value */
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for (j = 0; j < info->num_enum_values; j++) {
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if (!info->enum_values[j].valid)
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continue;
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if (info->enum_values[j].value != props->prop_values[i])
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continue;
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return j;
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}
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/* We don't have a mapping for this enum; return default. */
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break;
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}
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return def;
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}
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/**
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* Cache DRM property values
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*
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* Update a per-object array of drm_property_info structures, given the
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* DRM properties of the object.
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*
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* Call this every time an object newly appears (note that only connectors
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* can be hotplugged), the first time it is seen, or when its status changes
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* in a way which invalidates the potential property values (currently, the
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* only case for this is connector hotplug).
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*
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* This updates the property IDs and enum values within the drm_property_info
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* array.
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*
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* DRM property enum values are dynamic at runtime; the user must query the
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* property to find out the desired runtime value for a requested string
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* name. Using the 'type' field on planes as an example, there is no single
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* hardcoded constant for primary plane types; instead, the property must be
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* queried at runtime to find the value associated with the string "Primary".
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*
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* This helper queries and caches the enum values, to allow us to use a set
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* of compile-time-constant enums portably across various implementations.
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* The values given in enum_names are searched for, and stored in the
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* same-indexed field of the map array.
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*
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* @param b DRM backend object
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* @param src DRM property info array to source from
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* @param info DRM property info array to copy into
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* @param num_infos Number of entries in the source array
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* @param props DRM object properties for the object
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*/
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void
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drm_property_info_populate(struct drm_backend *b,
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const struct drm_property_info *src,
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struct drm_property_info *info,
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unsigned int num_infos,
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drmModeObjectProperties *props)
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{
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drmModePropertyRes *prop;
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unsigned i, j;
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for (i = 0; i < num_infos; i++) {
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unsigned int j;
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info[i].name = src[i].name;
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info[i].prop_id = 0;
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info[i].num_enum_values = src[i].num_enum_values;
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if (src[i].num_enum_values == 0)
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continue;
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info[i].enum_values =
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malloc(src[i].num_enum_values *
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sizeof(*info[i].enum_values));
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assert(info[i].enum_values);
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for (j = 0; j < info[i].num_enum_values; j++) {
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info[i].enum_values[j].name = src[i].enum_values[j].name;
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info[i].enum_values[j].valid = false;
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}
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}
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for (i = 0; i < props->count_props; i++) {
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unsigned int k;
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prop = drmModeGetProperty(b->drm.fd, props->props[i]);
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if (!prop)
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continue;
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for (j = 0; j < num_infos; j++) {
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if (!strcmp(prop->name, info[j].name))
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break;
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}
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/* We don't know/care about this property. */
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if (j == num_infos) {
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#ifdef DEBUG
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weston_log("DRM debug: unrecognized property %u '%s'\n",
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prop->prop_id, prop->name);
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#endif
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drmModeFreeProperty(prop);
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continue;
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}
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if (info[j].num_enum_values == 0 &&
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(prop->flags & DRM_MODE_PROP_ENUM)) {
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weston_log("DRM: expected property %s to not be an"
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" enum, but it is; ignoring\n", prop->name);
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drmModeFreeProperty(prop);
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continue;
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}
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info[j].prop_id = props->props[i];
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if (info[j].num_enum_values == 0) {
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drmModeFreeProperty(prop);
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continue;
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}
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if (!(prop->flags & DRM_MODE_PROP_ENUM)) {
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weston_log("DRM: expected property %s to be an enum,"
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" but it is not; ignoring\n", prop->name);
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drmModeFreeProperty(prop);
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info[j].prop_id = 0;
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continue;
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}
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for (k = 0; k < info[j].num_enum_values; k++) {
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int l;
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for (l = 0; l < prop->count_enums; l++) {
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if (!strcmp(prop->enums[l].name,
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info[j].enum_values[k].name))
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break;
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}
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if (l == prop->count_enums)
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continue;
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info[j].enum_values[k].valid = true;
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info[j].enum_values[k].value = prop->enums[l].value;
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}
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drmModeFreeProperty(prop);
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}
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#ifdef DEBUG
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for (i = 0; i < num_infos; i++) {
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if (info[i].prop_id == 0)
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weston_log("DRM warning: property '%s' missing\n",
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info[i].name);
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}
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#endif
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}
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/**
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* Free DRM property information
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*
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* Frees all memory associated with a DRM property info array and zeroes
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* it out, leaving it usable for a further drm_property_info_update() or
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* drm_property_info_free().
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*
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* @param info DRM property info array
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* @param num_props Number of entries in array to free
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*/
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void
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drm_property_info_free(struct drm_property_info *info, int num_props)
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{
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int i;
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for (i = 0; i < num_props; i++)
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free(info[i].enum_values);
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memset(info, 0, sizeof(*info) * num_props);
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}
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#ifdef HAVE_DRM_FORMATS_BLOB
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static inline uint32_t *
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formats_ptr(struct drm_format_modifier_blob *blob)
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{
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return (uint32_t *)(((char *)blob) + blob->formats_offset);
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}
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static inline struct drm_format_modifier *
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modifiers_ptr(struct drm_format_modifier_blob *blob)
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{
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return (struct drm_format_modifier *)
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(((char *)blob) + blob->modifiers_offset);
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}
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#endif
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/**
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* Populates the plane's formats array, using either the IN_FORMATS blob
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* property (if available), or the plane's format list if not.
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*/
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int
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drm_plane_populate_formats(struct drm_plane *plane, const drmModePlane *kplane,
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const drmModeObjectProperties *props)
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{
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unsigned i;
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#ifdef HAVE_DRM_FORMATS_BLOB
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drmModePropertyBlobRes *blob;
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struct drm_format_modifier_blob *fmt_mod_blob;
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struct drm_format_modifier *blob_modifiers;
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uint32_t *blob_formats;
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uint32_t blob_id;
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blob_id = drm_property_get_value(&plane->props[WDRM_PLANE_IN_FORMATS],
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props,
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0);
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if (blob_id == 0)
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goto fallback;
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blob = drmModeGetPropertyBlob(plane->backend->drm.fd, blob_id);
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if (!blob)
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goto fallback;
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fmt_mod_blob = blob->data;
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blob_formats = formats_ptr(fmt_mod_blob);
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blob_modifiers = modifiers_ptr(fmt_mod_blob);
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if (plane->count_formats != fmt_mod_blob->count_formats) {
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weston_log("DRM backend: format count differs between "
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"plane (%d) and IN_FORMATS (%d)\n",
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plane->count_formats,
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fmt_mod_blob->count_formats);
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weston_log("This represents a kernel bug; Weston is "
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"unable to continue.\n");
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abort();
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}
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for (i = 0; i < fmt_mod_blob->count_formats; i++) {
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uint32_t count_modifiers = 0;
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uint64_t *modifiers = NULL;
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unsigned j;
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for (j = 0; j < fmt_mod_blob->count_modifiers; j++) {
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struct drm_format_modifier *mod = &blob_modifiers[j];
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if ((i < mod->offset) || (i > mod->offset + 63))
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continue;
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if (!(mod->formats & (1 << (i - mod->offset))))
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continue;
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modifiers = realloc(modifiers,
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(count_modifiers + 1) *
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sizeof(modifiers[0]));
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assert(modifiers);
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modifiers[count_modifiers++] = mod->modifier;
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}
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if (count_modifiers == 0) {
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modifiers = malloc(sizeof(*modifiers));
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*modifiers = DRM_FORMAT_MOD_LINEAR;
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count_modifiers = 1;
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}
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plane->formats[i].format = blob_formats[i];
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plane->formats[i].modifiers = modifiers;
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plane->formats[i].count_modifiers = count_modifiers;
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}
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drmModeFreePropertyBlob(blob);
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return 0;
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fallback:
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#endif
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/* No IN_FORMATS blob available, so just use the old. */
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assert(plane->count_formats == kplane->count_formats);
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for (i = 0; i < kplane->count_formats; i++) {
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plane->formats[i].format = kplane->formats[i];
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plane->formats[i].modifiers = malloc(sizeof(uint64_t));
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plane->formats[i].modifiers[0] = DRM_FORMAT_MOD_LINEAR;
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plane->formats[i].count_modifiers = 1;
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}
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return 0;
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}
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void
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drm_output_set_gamma(struct weston_output *output_base,
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uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b)
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{
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int rc;
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struct drm_output *output = to_drm_output(output_base);
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struct drm_backend *backend =
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to_drm_backend(output->base.compositor);
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/* check */
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if (output_base->gamma_size != size)
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return;
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rc = drmModeCrtcSetGamma(backend->drm.fd,
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output->crtc_id,
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size, r, g, b);
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if (rc)
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weston_log("set gamma failed: %s\n", strerror(errno));
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}
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|
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/**
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* Mark an output state as current on the output, i.e. it has been
|
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* submitted to the kernel. The mode argument determines whether this
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* update will be applied synchronously (e.g. when calling drmModeSetCrtc),
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* or asynchronously (in which case we wait for events to complete).
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*/
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static void
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drm_output_assign_state(struct drm_output_state *state,
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enum drm_state_apply_mode mode)
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{
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struct drm_output *output = state->output;
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struct drm_backend *b = to_drm_backend(output->base.compositor);
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struct drm_plane_state *plane_state;
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assert(!output->state_last);
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if (mode == DRM_STATE_APPLY_ASYNC)
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output->state_last = output->state_cur;
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else
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drm_output_state_free(output->state_cur);
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wl_list_remove(&state->link);
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wl_list_init(&state->link);
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state->pending_state = NULL;
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output->state_cur = state;
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if (b->atomic_modeset && mode == DRM_STATE_APPLY_ASYNC) {
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drm_debug(b, "\t[CRTC:%u] setting pending flip\n", output->crtc_id);
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output->atomic_complete_pending = 1;
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}
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|
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/* Replace state_cur on each affected plane with the new state, being
|
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* careful to dispose of orphaned (but only orphaned) previous state.
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* If the previous state is not orphaned (still has an output_state
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* attached), it will be disposed of by freeing the output_state. */
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wl_list_for_each(plane_state, &state->plane_list, link) {
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struct drm_plane *plane = plane_state->plane;
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|
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if (plane->state_cur && !plane->state_cur->output_state)
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drm_plane_state_free(plane->state_cur, true);
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plane->state_cur = plane_state;
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|
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if (mode != DRM_STATE_APPLY_ASYNC) {
|
|
plane_state->complete = true;
|
|
continue;
|
|
}
|
|
|
|
if (b->atomic_modeset)
|
|
continue;
|
|
|
|
assert(plane->type != WDRM_PLANE_TYPE_OVERLAY);
|
|
if (plane->type == WDRM_PLANE_TYPE_PRIMARY)
|
|
output->page_flip_pending = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
drm_output_set_cursor(struct drm_output_state *output_state)
|
|
{
|
|
struct drm_output *output = output_state->output;
|
|
struct drm_backend *b = to_drm_backend(output->base.compositor);
|
|
struct drm_plane *plane = output->cursor_plane;
|
|
struct drm_plane_state *state;
|
|
int handle;
|
|
struct gbm_bo *bo;
|
|
|
|
if (!plane)
|
|
return;
|
|
|
|
state = drm_output_state_get_existing_plane(output_state, plane);
|
|
if (!state)
|
|
return;
|
|
|
|
if (!state->fb) {
|
|
pixman_region32_fini(&plane->base.damage);
|
|
pixman_region32_init(&plane->base.damage);
|
|
drmModeSetCursor(b->drm.fd, output->crtc_id, 0, 0, 0);
|
|
return;
|
|
}
|
|
|
|
assert(state->fb == output->gbm_cursor_fb[output->current_cursor]);
|
|
assert(!plane->state_cur->output || plane->state_cur->output == output);
|
|
|
|
if (plane->state_cur->fb != state->fb) {
|
|
bo = state->fb->bo;
|
|
handle = gbm_bo_get_handle(bo).s32;
|
|
if (drmModeSetCursor(b->drm.fd, output->crtc_id, handle,
|
|
b->cursor_width, b->cursor_height)) {
|
|
weston_log("failed to set cursor: %s\n",
|
|
strerror(errno));
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
pixman_region32_fini(&plane->base.damage);
|
|
pixman_region32_init(&plane->base.damage);
|
|
|
|
if (drmModeMoveCursor(b->drm.fd, output->crtc_id,
|
|
state->dest_x, state->dest_y)) {
|
|
weston_log("failed to move cursor: %s\n", strerror(errno));
|
|
goto err;
|
|
}
|
|
|
|
return;
|
|
|
|
err:
|
|
b->cursors_are_broken = 1;
|
|
drmModeSetCursor(b->drm.fd, output->crtc_id, 0, 0, 0);
|
|
}
|
|
|
|
static int
|
|
drm_output_apply_state_legacy(struct drm_output_state *state)
|
|
{
|
|
struct drm_output *output = state->output;
|
|
struct drm_backend *backend = to_drm_backend(output->base.compositor);
|
|
struct drm_plane *scanout_plane = output->scanout_plane;
|
|
struct drm_property_info *dpms_prop;
|
|
struct drm_plane_state *scanout_state;
|
|
struct drm_mode *mode;
|
|
struct drm_head *head;
|
|
const struct pixel_format_info *pinfo = NULL;
|
|
uint32_t connectors[MAX_CLONED_CONNECTORS];
|
|
int n_conn = 0;
|
|
struct timespec now;
|
|
int ret = 0;
|
|
|
|
wl_list_for_each(head, &output->base.head_list, base.output_link) {
|
|
assert(n_conn < MAX_CLONED_CONNECTORS);
|
|
connectors[n_conn++] = head->connector_id;
|
|
}
|
|
|
|
/* If disable_planes is set then assign_planes() wasn't
|
|
* called for this render, so we could still have a stale
|
|
* cursor plane set up.
|
|
*/
|
|
if (output->base.disable_planes) {
|
|
output->cursor_view = NULL;
|
|
if (output->cursor_plane) {
|
|
output->cursor_plane->base.x = INT32_MIN;
|
|
output->cursor_plane->base.y = INT32_MIN;
|
|
}
|
|
}
|
|
|
|
if (state->dpms != WESTON_DPMS_ON) {
|
|
if (output->cursor_plane) {
|
|
ret = drmModeSetCursor(backend->drm.fd, output->crtc_id,
|
|
0, 0, 0);
|
|
if (ret)
|
|
weston_log("drmModeSetCursor failed disable: %s\n",
|
|
strerror(errno));
|
|
}
|
|
|
|
ret = drmModeSetCrtc(backend->drm.fd, output->crtc_id, 0, 0, 0,
|
|
NULL, 0, NULL);
|
|
if (ret)
|
|
weston_log("drmModeSetCrtc failed disabling: %s\n",
|
|
strerror(errno));
|
|
|
|
drm_output_assign_state(state, DRM_STATE_APPLY_SYNC);
|
|
weston_compositor_read_presentation_clock(output->base.compositor, &now);
|
|
drm_output_update_complete(output,
|
|
WP_PRESENTATION_FEEDBACK_KIND_HW_COMPLETION,
|
|
now.tv_sec, now.tv_nsec / 1000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
scanout_state =
|
|
drm_output_state_get_existing_plane(state, scanout_plane);
|
|
|
|
/* The legacy SetCrtc API doesn't allow us to do scaling, and the
|
|
* legacy PageFlip API doesn't allow us to do clipping either. */
|
|
assert(scanout_state->src_x == 0);
|
|
assert(scanout_state->src_y == 0);
|
|
assert(scanout_state->src_w ==
|
|
(unsigned) (output->base.current_mode->width << 16));
|
|
assert(scanout_state->src_h ==
|
|
(unsigned) (output->base.current_mode->height << 16));
|
|
assert(scanout_state->dest_x == 0);
|
|
assert(scanout_state->dest_y == 0);
|
|
assert(scanout_state->dest_w == scanout_state->src_w >> 16);
|
|
assert(scanout_state->dest_h == scanout_state->src_h >> 16);
|
|
/* The legacy SetCrtc API doesn't support fences */
|
|
assert(scanout_state->in_fence_fd == -1);
|
|
|
|
mode = to_drm_mode(output->base.current_mode);
|
|
if (backend->state_invalid ||
|
|
!scanout_plane->state_cur->fb ||
|
|
scanout_plane->state_cur->fb->strides[0] !=
|
|
scanout_state->fb->strides[0]) {
|
|
|
|
ret = drmModeSetCrtc(backend->drm.fd, output->crtc_id,
|
|
scanout_state->fb->fb_id,
|
|
0, 0,
|
|
connectors, n_conn,
|
|
&mode->mode_info);
|
|
if (ret) {
|
|
weston_log("set mode failed: %s\n", strerror(errno));
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
pinfo = scanout_state->fb->format;
|
|
drm_debug(backend, "\t[CRTC:%u, PLANE:%u] FORMAT: %s\n",
|
|
output->crtc_id, scanout_state->plane->plane_id,
|
|
pinfo ? pinfo->drm_format_name : "UNKNOWN");
|
|
|
|
if (drmModePageFlip(backend->drm.fd, output->crtc_id,
|
|
scanout_state->fb->fb_id,
|
|
DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
|
|
weston_log("queueing pageflip failed: %s\n", strerror(errno));
|
|
goto err;
|
|
}
|
|
|
|
assert(!output->page_flip_pending);
|
|
|
|
if (output->pageflip_timer)
|
|
wl_event_source_timer_update(output->pageflip_timer,
|
|
backend->pageflip_timeout);
|
|
|
|
drm_output_set_cursor(state);
|
|
|
|
if (state->dpms != output->state_cur->dpms) {
|
|
wl_list_for_each(head, &output->base.head_list, base.output_link) {
|
|
dpms_prop = &head->props_conn[WDRM_CONNECTOR_DPMS];
|
|
if (dpms_prop->prop_id == 0)
|
|
continue;
|
|
|
|
ret = drmModeConnectorSetProperty(backend->drm.fd,
|
|
head->connector_id,
|
|
dpms_prop->prop_id,
|
|
state->dpms);
|
|
if (ret) {
|
|
weston_log("DRM: DPMS: failed property set for %s\n",
|
|
head->base.name);
|
|
}
|
|
}
|
|
}
|
|
|
|
drm_output_assign_state(state, DRM_STATE_APPLY_ASYNC);
|
|
|
|
return 0;
|
|
|
|
err:
|
|
output->cursor_view = NULL;
|
|
drm_output_state_free(state);
|
|
return -1;
|
|
}
|
|
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
static int
|
|
crtc_add_prop(drmModeAtomicReq *req, struct drm_output *output,
|
|
enum wdrm_crtc_property prop, uint64_t val)
|
|
{
|
|
struct drm_property_info *info = &output->props_crtc[prop];
|
|
int ret;
|
|
|
|
if (info->prop_id == 0)
|
|
return -1;
|
|
|
|
ret = drmModeAtomicAddProperty(req, output->crtc_id, info->prop_id,
|
|
val);
|
|
drm_debug(output->backend, "\t\t\t[CRTC:%lu] %lu (%s) -> %llu (0x%llx)\n",
|
|
(unsigned long) output->crtc_id,
|
|
(unsigned long) info->prop_id, info->name,
|
|
(unsigned long long) val, (unsigned long long) val);
|
|
return (ret <= 0) ? -1 : 0;
|
|
}
|
|
|
|
static int
|
|
connector_add_prop(drmModeAtomicReq *req, struct drm_head *head,
|
|
enum wdrm_connector_property prop, uint64_t val)
|
|
{
|
|
struct drm_property_info *info = &head->props_conn[prop];
|
|
int ret;
|
|
|
|
if (info->prop_id == 0)
|
|
return -1;
|
|
|
|
ret = drmModeAtomicAddProperty(req, head->connector_id,
|
|
info->prop_id, val);
|
|
drm_debug(head->backend, "\t\t\t[CONN:%lu] %lu (%s) -> %llu (0x%llx)\n",
|
|
(unsigned long) head->connector_id,
|
|
(unsigned long) info->prop_id, info->name,
|
|
(unsigned long long) val, (unsigned long long) val);
|
|
return (ret <= 0) ? -1 : 0;
|
|
}
|
|
|
|
static int
|
|
plane_add_prop(drmModeAtomicReq *req, struct drm_plane *plane,
|
|
enum wdrm_plane_property prop, uint64_t val)
|
|
{
|
|
struct drm_property_info *info = &plane->props[prop];
|
|
int ret;
|
|
|
|
if (info->prop_id == 0)
|
|
return -1;
|
|
|
|
ret = drmModeAtomicAddProperty(req, plane->plane_id, info->prop_id,
|
|
val);
|
|
drm_debug(plane->backend, "\t\t\t[PLANE:%lu] %lu (%s) -> %llu (0x%llx)\n",
|
|
(unsigned long) plane->plane_id,
|
|
(unsigned long) info->prop_id, info->name,
|
|
(unsigned long long) val, (unsigned long long) val);
|
|
return (ret <= 0) ? -1 : 0;
|
|
}
|
|
|
|
|
|
static int
|
|
plane_add_damage(drmModeAtomicReq *req, struct drm_backend *backend,
|
|
struct drm_plane_state *plane_state)
|
|
{
|
|
struct drm_plane *plane = plane_state->plane;
|
|
struct drm_property_info *info =
|
|
&plane->props[WDRM_PLANE_FB_DAMAGE_CLIPS];
|
|
pixman_box32_t *rects;
|
|
uint32_t blob_id;
|
|
int n_rects;
|
|
int ret;
|
|
|
|
if (!pixman_region32_not_empty(&plane_state->damage))
|
|
return 0;
|
|
|
|
/*
|
|
* If a plane doesn't support fb damage blob property, kernel will
|
|
* perform full plane update.
|
|
*/
|
|
if (info->prop_id == 0)
|
|
return 0;
|
|
|
|
rects = pixman_region32_rectangles(&plane_state->damage, &n_rects);
|
|
|
|
ret = drmModeCreatePropertyBlob(backend->drm.fd, rects,
|
|
sizeof(*rects) * n_rects, &blob_id);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
ret = plane_add_prop(req, plane, WDRM_PLANE_FB_DAMAGE_CLIPS, blob_id);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
drm_output_apply_state_atomic(struct drm_output_state *state,
|
|
drmModeAtomicReq *req,
|
|
uint32_t *flags)
|
|
{
|
|
struct drm_output *output = state->output;
|
|
struct drm_backend *b = to_drm_backend(output->base.compositor);
|
|
struct drm_plane_state *plane_state;
|
|
struct drm_mode *current_mode = to_drm_mode(output->base.current_mode);
|
|
struct drm_head *head;
|
|
int ret = 0;
|
|
|
|
drm_debug(b, "\t\t[atomic] %s output %lu (%s) state\n",
|
|
(*flags & DRM_MODE_ATOMIC_TEST_ONLY) ? "testing" : "applying",
|
|
(unsigned long) output->base.id, output->base.name);
|
|
|
|
if (state->dpms != output->state_cur->dpms) {
|
|
drm_debug(b, "\t\t\t[atomic] DPMS state differs, modeset OK\n");
|
|
*flags |= DRM_MODE_ATOMIC_ALLOW_MODESET;
|
|
}
|
|
|
|
if (state->dpms == WESTON_DPMS_ON) {
|
|
ret = drm_mode_ensure_blob(b, current_mode);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
ret |= crtc_add_prop(req, output, WDRM_CRTC_MODE_ID,
|
|
current_mode->blob_id);
|
|
ret |= crtc_add_prop(req, output, WDRM_CRTC_ACTIVE, 1);
|
|
|
|
/* No need for the DPMS property, since it is implicit in
|
|
* routing and CRTC activity. */
|
|
wl_list_for_each(head, &output->base.head_list, base.output_link) {
|
|
ret |= connector_add_prop(req, head, WDRM_CONNECTOR_CRTC_ID,
|
|
output->crtc_id);
|
|
}
|
|
} else {
|
|
ret |= crtc_add_prop(req, output, WDRM_CRTC_MODE_ID, 0);
|
|
ret |= crtc_add_prop(req, output, WDRM_CRTC_ACTIVE, 0);
|
|
|
|
/* No need for the DPMS property, since it is implicit in
|
|
* routing and CRTC activity. */
|
|
wl_list_for_each(head, &output->base.head_list, base.output_link)
|
|
ret |= connector_add_prop(req, head, WDRM_CONNECTOR_CRTC_ID, 0);
|
|
}
|
|
|
|
if (ret != 0) {
|
|
weston_log("couldn't set atomic CRTC/connector state\n");
|
|
return ret;
|
|
}
|
|
|
|
wl_list_for_each(plane_state, &state->plane_list, link) {
|
|
struct drm_plane *plane = plane_state->plane;
|
|
const struct pixel_format_info *pinfo = NULL;
|
|
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_FB_ID,
|
|
plane_state->fb ? plane_state->fb->fb_id : 0);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_CRTC_ID,
|
|
plane_state->fb ? output->crtc_id : 0);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_SRC_X,
|
|
plane_state->src_x);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_SRC_Y,
|
|
plane_state->src_y);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_SRC_W,
|
|
plane_state->src_w);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_SRC_H,
|
|
plane_state->src_h);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_CRTC_X,
|
|
plane_state->dest_x);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_CRTC_Y,
|
|
plane_state->dest_y);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_CRTC_W,
|
|
plane_state->dest_w);
|
|
ret |= plane_add_prop(req, plane, WDRM_PLANE_CRTC_H,
|
|
plane_state->dest_h);
|
|
ret |= plane_add_damage(req, b, plane_state);
|
|
|
|
if (plane_state->fb && plane_state->fb->format)
|
|
pinfo = plane_state->fb->format;
|
|
|
|
drm_debug(plane->backend, "\t\t\t[PLANE:%lu] FORMAT: %s\n",
|
|
(unsigned long) plane->plane_id,
|
|
pinfo ? pinfo->drm_format_name : "UNKNOWN");
|
|
|
|
if (plane_state->in_fence_fd >= 0) {
|
|
ret |= plane_add_prop(req, plane,
|
|
WDRM_PLANE_IN_FENCE_FD,
|
|
plane_state->in_fence_fd);
|
|
}
|
|
|
|
if (ret != 0) {
|
|
weston_log("couldn't set plane state\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Helper function used only by drm_pending_state_apply, with the same
|
|
* guarantees and constraints as that function.
|
|
*/
|
|
static int
|
|
drm_pending_state_apply_atomic(struct drm_pending_state *pending_state,
|
|
enum drm_state_apply_mode mode)
|
|
{
|
|
struct drm_backend *b = pending_state->backend;
|
|
struct drm_output_state *output_state, *tmp;
|
|
struct drm_plane *plane;
|
|
drmModeAtomicReq *req = drmModeAtomicAlloc();
|
|
uint32_t flags;
|
|
int ret = 0;
|
|
|
|
if (!req)
|
|
return -1;
|
|
|
|
switch (mode) {
|
|
case DRM_STATE_APPLY_SYNC:
|
|
flags = 0;
|
|
break;
|
|
case DRM_STATE_APPLY_ASYNC:
|
|
flags = DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_ATOMIC_NONBLOCK;
|
|
break;
|
|
case DRM_STATE_TEST_ONLY:
|
|
flags = DRM_MODE_ATOMIC_TEST_ONLY;
|
|
break;
|
|
}
|
|
|
|
if (b->state_invalid) {
|
|
struct weston_head *head_base;
|
|
struct drm_head *head;
|
|
uint32_t *unused;
|
|
int err;
|
|
|
|
drm_debug(b, "\t\t[atomic] previous state invalid; "
|
|
"starting with fresh state\n");
|
|
|
|
/* If we need to reset all our state (e.g. because we've
|
|
* just started, or just been VT-switched in), explicitly
|
|
* disable all the CRTCs and connectors we aren't using. */
|
|
wl_list_for_each(head_base,
|
|
&b->compositor->head_list, compositor_link) {
|
|
struct drm_property_info *info;
|
|
|
|
if (weston_head_is_enabled(head_base))
|
|
continue;
|
|
|
|
head = to_drm_head(head_base);
|
|
|
|
drm_debug(b, "\t\t[atomic] disabling inactive head %s\n",
|
|
head_base->name);
|
|
|
|
info = &head->props_conn[WDRM_CONNECTOR_CRTC_ID];
|
|
err = drmModeAtomicAddProperty(req, head->connector_id,
|
|
info->prop_id, 0);
|
|
drm_debug(b, "\t\t\t[CONN:%lu] %lu (%s) -> 0\n",
|
|
(unsigned long) head->connector_id,
|
|
(unsigned long) info->prop_id,
|
|
info->name);
|
|
if (err <= 0)
|
|
ret = -1;
|
|
}
|
|
|
|
wl_array_for_each(unused, &b->unused_crtcs) {
|
|
struct drm_property_info infos[WDRM_CRTC__COUNT];
|
|
struct drm_property_info *info;
|
|
drmModeObjectProperties *props;
|
|
uint64_t active;
|
|
|
|
memset(infos, 0, sizeof(infos));
|
|
|
|
/* We can't emit a disable on a CRTC that's already
|
|
* off, as the kernel will refuse to generate an event
|
|
* for an off->off state and fail the commit.
|
|
*/
|
|
props = drmModeObjectGetProperties(b->drm.fd,
|
|
*unused,
|
|
DRM_MODE_OBJECT_CRTC);
|
|
if (!props) {
|
|
ret = -1;
|
|
continue;
|
|
}
|
|
|
|
drm_property_info_populate(b, crtc_props, infos,
|
|
WDRM_CRTC__COUNT,
|
|
props);
|
|
|
|
info = &infos[WDRM_CRTC_ACTIVE];
|
|
active = drm_property_get_value(info, props, 0);
|
|
drmModeFreeObjectProperties(props);
|
|
if (active == 0) {
|
|
drm_property_info_free(infos, WDRM_CRTC__COUNT);
|
|
continue;
|
|
}
|
|
|
|
drm_debug(b, "\t\t[atomic] disabling unused CRTC %lu\n",
|
|
(unsigned long) *unused);
|
|
|
|
drm_debug(b, "\t\t\t[CRTC:%lu] %lu (%s) -> 0\n",
|
|
(unsigned long) *unused,
|
|
(unsigned long) info->prop_id, info->name);
|
|
err = drmModeAtomicAddProperty(req, *unused,
|
|
info->prop_id, 0);
|
|
if (err <= 0)
|
|
ret = -1;
|
|
|
|
info = &infos[WDRM_CRTC_MODE_ID];
|
|
drm_debug(b, "\t\t\t[CRTC:%lu] %lu (%s) -> 0\n",
|
|
(unsigned long) *unused,
|
|
(unsigned long) info->prop_id, info->name);
|
|
err = drmModeAtomicAddProperty(req, *unused,
|
|
info->prop_id, 0);
|
|
if (err <= 0)
|
|
ret = -1;
|
|
|
|
drm_property_info_free(infos, WDRM_CRTC__COUNT);
|
|
}
|
|
|
|
/* Disable all the planes; planes which are being used will
|
|
* override this state in the output-state application. */
|
|
wl_list_for_each(plane, &b->plane_list, link) {
|
|
drm_debug(b, "\t\t[atomic] starting with plane %lu disabled\n",
|
|
(unsigned long) plane->plane_id);
|
|
plane_add_prop(req, plane, WDRM_PLANE_CRTC_ID, 0);
|
|
plane_add_prop(req, plane, WDRM_PLANE_FB_ID, 0);
|
|
}
|
|
|
|
flags |= DRM_MODE_ATOMIC_ALLOW_MODESET;
|
|
}
|
|
|
|
wl_list_for_each(output_state, &pending_state->output_list, link) {
|
|
if (output_state->output->virtual)
|
|
continue;
|
|
if (mode == DRM_STATE_APPLY_SYNC)
|
|
assert(output_state->dpms == WESTON_DPMS_OFF);
|
|
ret |= drm_output_apply_state_atomic(output_state, req, &flags);
|
|
}
|
|
|
|
if (ret != 0) {
|
|
weston_log("atomic: couldn't compile atomic state\n");
|
|
goto out;
|
|
}
|
|
|
|
ret = drmModeAtomicCommit(b->drm.fd, req, flags, b);
|
|
drm_debug(b, "[atomic] drmModeAtomicCommit\n");
|
|
|
|
/* Test commits do not take ownership of the state; return
|
|
* without freeing here. */
|
|
if (mode == DRM_STATE_TEST_ONLY) {
|
|
drmModeAtomicFree(req);
|
|
return ret;
|
|
}
|
|
|
|
if (ret != 0) {
|
|
weston_log("atomic: couldn't commit new state: %s\n",
|
|
strerror(errno));
|
|
goto out;
|
|
}
|
|
|
|
wl_list_for_each_safe(output_state, tmp, &pending_state->output_list,
|
|
link)
|
|
drm_output_assign_state(output_state, mode);
|
|
|
|
b->state_invalid = false;
|
|
|
|
assert(wl_list_empty(&pending_state->output_list));
|
|
|
|
out:
|
|
drmModeAtomicFree(req);
|
|
drm_pending_state_free(pending_state);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Tests a pending state, to see if the kernel will accept the update as
|
|
* constructed.
|
|
*
|
|
* Using atomic modesetting, the kernel performs the same checks as it would
|
|
* on a real commit, returning success or failure without actually modifying
|
|
* the running state. It does not return -EBUSY if there are pending updates
|
|
* in flight, so states may be tested at any point, however this means a
|
|
* state which passed testing may fail on a real commit if the timing is not
|
|
* respected (e.g. committing before the previous commit has completed).
|
|
*
|
|
* Without atomic modesetting, we have no way to check, so we optimistically
|
|
* claim it will work.
|
|
*
|
|
* Unlike drm_pending_state_apply() and drm_pending_state_apply_sync(), this
|
|
* function does _not_ take ownership of pending_state, nor does it clear
|
|
* state_invalid.
|
|
*/
|
|
int
|
|
drm_pending_state_test(struct drm_pending_state *pending_state)
|
|
{
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
struct drm_backend *b = pending_state->backend;
|
|
|
|
if (b->atomic_modeset)
|
|
return drm_pending_state_apply_atomic(pending_state,
|
|
DRM_STATE_TEST_ONLY);
|
|
#endif
|
|
|
|
/* We have no way to test state before application on the legacy
|
|
* modesetting API, so just claim it succeeded. */
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Applies all of a pending_state asynchronously: the primary entry point for
|
|
* applying KMS state to a device. Updates the state for all outputs in the
|
|
* pending_state, as well as disabling any unclaimed outputs.
|
|
*
|
|
* Unconditionally takes ownership of pending_state, and clears state_invalid.
|
|
*/
|
|
int
|
|
drm_pending_state_apply(struct drm_pending_state *pending_state)
|
|
{
|
|
struct drm_backend *b = pending_state->backend;
|
|
struct drm_output_state *output_state, *tmp;
|
|
uint32_t *unused;
|
|
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
if (b->atomic_modeset)
|
|
return drm_pending_state_apply_atomic(pending_state,
|
|
DRM_STATE_APPLY_ASYNC);
|
|
#endif
|
|
|
|
if (b->state_invalid) {
|
|
/* If we need to reset all our state (e.g. because we've
|
|
* just started, or just been VT-switched in), explicitly
|
|
* disable all the CRTCs we aren't using. This also disables
|
|
* all connectors on these CRTCs, so we don't need to do that
|
|
* separately with the pre-atomic API. */
|
|
wl_array_for_each(unused, &b->unused_crtcs)
|
|
drmModeSetCrtc(b->drm.fd, *unused, 0, 0, 0, NULL, 0,
|
|
NULL);
|
|
}
|
|
|
|
wl_list_for_each_safe(output_state, tmp, &pending_state->output_list,
|
|
link) {
|
|
struct drm_output *output = output_state->output;
|
|
int ret;
|
|
|
|
if (output->virtual) {
|
|
drm_output_assign_state(output_state,
|
|
DRM_STATE_APPLY_ASYNC);
|
|
continue;
|
|
}
|
|
|
|
ret = drm_output_apply_state_legacy(output_state);
|
|
if (ret != 0) {
|
|
weston_log("Couldn't apply state for output %s\n",
|
|
output->base.name);
|
|
}
|
|
}
|
|
|
|
b->state_invalid = false;
|
|
|
|
assert(wl_list_empty(&pending_state->output_list));
|
|
|
|
drm_pending_state_free(pending_state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* The synchronous version of drm_pending_state_apply. May only be used to
|
|
* disable outputs. Does so synchronously: the request is guaranteed to have
|
|
* completed on return, and the output will not be touched afterwards.
|
|
*
|
|
* Unconditionally takes ownership of pending_state, and clears state_invalid.
|
|
*/
|
|
int
|
|
drm_pending_state_apply_sync(struct drm_pending_state *pending_state)
|
|
{
|
|
struct drm_backend *b = pending_state->backend;
|
|
struct drm_output_state *output_state, *tmp;
|
|
uint32_t *unused;
|
|
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
if (b->atomic_modeset)
|
|
return drm_pending_state_apply_atomic(pending_state,
|
|
DRM_STATE_APPLY_SYNC);
|
|
#endif
|
|
|
|
if (b->state_invalid) {
|
|
/* If we need to reset all our state (e.g. because we've
|
|
* just started, or just been VT-switched in), explicitly
|
|
* disable all the CRTCs we aren't using. This also disables
|
|
* all connectors on these CRTCs, so we don't need to do that
|
|
* separately with the pre-atomic API. */
|
|
wl_array_for_each(unused, &b->unused_crtcs)
|
|
drmModeSetCrtc(b->drm.fd, *unused, 0, 0, 0, NULL, 0,
|
|
NULL);
|
|
}
|
|
|
|
wl_list_for_each_safe(output_state, tmp, &pending_state->output_list,
|
|
link) {
|
|
int ret;
|
|
|
|
assert(output_state->dpms == WESTON_DPMS_OFF);
|
|
ret = drm_output_apply_state_legacy(output_state);
|
|
if (ret != 0) {
|
|
weston_log("Couldn't apply state for output %s\n",
|
|
output_state->output->base.name);
|
|
}
|
|
}
|
|
|
|
b->state_invalid = false;
|
|
|
|
assert(wl_list_empty(&pending_state->output_list));
|
|
|
|
drm_pending_state_free(pending_state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
drm_output_update_msc(struct drm_output *output, unsigned int seq)
|
|
{
|
|
uint64_t msc_hi = output->base.msc >> 32;
|
|
|
|
if (seq < (output->base.msc & 0xffffffff))
|
|
msc_hi++;
|
|
|
|
output->base.msc = (msc_hi << 32) + seq;
|
|
}
|
|
|
|
static void
|
|
page_flip_handler(int fd, unsigned int frame,
|
|
unsigned int sec, unsigned int usec, void *data)
|
|
{
|
|
struct drm_output *output = data;
|
|
struct drm_backend *b = to_drm_backend(output->base.compositor);
|
|
uint32_t flags = WP_PRESENTATION_FEEDBACK_KIND_VSYNC |
|
|
WP_PRESENTATION_FEEDBACK_KIND_HW_COMPLETION |
|
|
WP_PRESENTATION_FEEDBACK_KIND_HW_CLOCK;
|
|
|
|
drm_output_update_msc(output, frame);
|
|
|
|
assert(!b->atomic_modeset);
|
|
assert(output->page_flip_pending);
|
|
output->page_flip_pending = 0;
|
|
|
|
drm_output_update_complete(output, flags, sec, usec);
|
|
}
|
|
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
static void
|
|
atomic_flip_handler(int fd, unsigned int frame, unsigned int sec,
|
|
unsigned int usec, unsigned int crtc_id, void *data)
|
|
{
|
|
struct drm_backend *b = data;
|
|
struct drm_output *output = drm_output_find_by_crtc(b, crtc_id);
|
|
uint32_t flags = WP_PRESENTATION_FEEDBACK_KIND_VSYNC |
|
|
WP_PRESENTATION_FEEDBACK_KIND_HW_COMPLETION |
|
|
WP_PRESENTATION_FEEDBACK_KIND_HW_CLOCK;
|
|
|
|
/* During the initial modeset, we can disable CRTCs which we don't
|
|
* actually handle during normal operation; this will give us events
|
|
* for unknown outputs. Ignore them. */
|
|
if (!output || !output->base.enabled)
|
|
return;
|
|
|
|
drm_output_update_msc(output, frame);
|
|
|
|
drm_debug(b, "[atomic][CRTC:%u] flip processing started\n", crtc_id);
|
|
assert(b->atomic_modeset);
|
|
assert(output->atomic_complete_pending);
|
|
output->atomic_complete_pending = 0;
|
|
|
|
drm_output_update_complete(output, flags, sec, usec);
|
|
drm_debug(b, "[atomic][CRTC:%u] flip processing completed\n", crtc_id);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
on_drm_input(int fd, uint32_t mask, void *data)
|
|
{
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
struct drm_backend *b = data;
|
|
#endif
|
|
drmEventContext evctx;
|
|
|
|
memset(&evctx, 0, sizeof evctx);
|
|
#ifndef HAVE_DRM_ATOMIC
|
|
evctx.version = 2;
|
|
#else
|
|
evctx.version = 3;
|
|
if (b->atomic_modeset)
|
|
evctx.page_flip_handler2 = atomic_flip_handler;
|
|
else
|
|
#endif
|
|
evctx.page_flip_handler = page_flip_handler;
|
|
drmHandleEvent(fd, &evctx);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
init_kms_caps(struct drm_backend *b)
|
|
{
|
|
uint64_t cap;
|
|
int ret;
|
|
clockid_t clk_id;
|
|
|
|
weston_log("using %s\n", b->drm.filename);
|
|
|
|
ret = drmGetCap(b->drm.fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap);
|
|
if (ret == 0 && cap == 1)
|
|
clk_id = CLOCK_MONOTONIC;
|
|
else
|
|
clk_id = CLOCK_REALTIME;
|
|
|
|
if (weston_compositor_set_presentation_clock(b->compositor, clk_id) < 0) {
|
|
weston_log("Error: failed to set presentation clock %d.\n",
|
|
clk_id);
|
|
return -1;
|
|
}
|
|
|
|
ret = drmGetCap(b->drm.fd, DRM_CAP_CURSOR_WIDTH, &cap);
|
|
if (ret == 0)
|
|
b->cursor_width = cap;
|
|
else
|
|
b->cursor_width = 64;
|
|
|
|
ret = drmGetCap(b->drm.fd, DRM_CAP_CURSOR_HEIGHT, &cap);
|
|
if (ret == 0)
|
|
b->cursor_height = cap;
|
|
else
|
|
b->cursor_height = 64;
|
|
|
|
if (!getenv("WESTON_DISABLE_UNIVERSAL_PLANES")) {
|
|
ret = drmSetClientCap(b->drm.fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
|
|
b->universal_planes = (ret == 0);
|
|
}
|
|
weston_log("DRM: %s universal planes\n",
|
|
b->universal_planes ? "supports" : "does not support");
|
|
|
|
#ifdef HAVE_DRM_ATOMIC
|
|
if (b->universal_planes && !getenv("WESTON_DISABLE_ATOMIC")) {
|
|
ret = drmGetCap(b->drm.fd, DRM_CAP_CRTC_IN_VBLANK_EVENT, &cap);
|
|
if (ret != 0)
|
|
cap = 0;
|
|
ret = drmSetClientCap(b->drm.fd, DRM_CLIENT_CAP_ATOMIC, 1);
|
|
b->atomic_modeset = ((ret == 0) && (cap == 1));
|
|
}
|
|
#endif
|
|
weston_log("DRM: %s atomic modesetting\n",
|
|
b->atomic_modeset ? "supports" : "does not support");
|
|
|
|
#ifdef HAVE_DRM_ADDFB2_MODIFIERS
|
|
ret = drmGetCap(b->drm.fd, DRM_CAP_ADDFB2_MODIFIERS, &cap);
|
|
if (ret == 0)
|
|
b->fb_modifiers = cap;
|
|
else
|
|
#endif
|
|
b->fb_modifiers = 0;
|
|
|
|
/*
|
|
* KMS support for hardware planes cannot properly synchronize
|
|
* without nuclear page flip. Without nuclear/atomic, hw plane
|
|
* and cursor plane updates would either tear or cause extra
|
|
* waits for vblanks which means dropping the compositor framerate
|
|
* to a fraction. For cursors, it's not so bad, so they are
|
|
* enabled.
|
|
*/
|
|
if (!b->atomic_modeset || getenv("WESTON_FORCE_RENDERER"))
|
|
b->sprites_are_broken = 1;
|
|
|
|
ret = drmSetClientCap(b->drm.fd, DRM_CLIENT_CAP_ASPECT_RATIO, 1);
|
|
b->aspect_ratio_supported = (ret == 0);
|
|
weston_log("DRM: %s picture aspect ratio\n",
|
|
b->aspect_ratio_supported ? "supports" : "does not support");
|
|
|
|
return 0;
|
|
}
|