/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/**
* DOC: atomic modeset support
*
* The functions here implement the state management and hardware programming
* dispatch required by the atomic modeset infrastructure.
* See intel_atomic_plane.c for the plane-specific atomic functionality.
*/
#include <drm/display/drm_dp_tunnel.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fourcc.h>
#include "i915_drv.h"
#include "intel_atomic.h"
#include "intel_cdclk.h"
#include "intel_display_types.h"
#include "intel_dp_tunnel.h"
#include "intel_global_state.h"
#include "intel_hdcp.h"
#include "intel_psr.h"
#include "intel_fb.h"
#include "skl_universal_plane.h"
/**
* intel_digital_connector_atomic_get_property - hook for connector->atomic_get_property.
* @connector: Connector to get the property for.
* @state: Connector state to retrieve the property from.
* @property: Property to retrieve.
* @val: Return value for the property.
*
* Returns the atomic property value for a digital connector.
*/
int intel_digital_connector_atomic_get_property(struct drm_connector *connector,
const struct drm_connector_state *state,
struct drm_property *property,
u64 *val)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
const struct intel_digital_connector_state *intel_conn_state =
to_intel_digital_connector_state(state);
if (property == dev_priv->display.properties.force_audio)
*val = intel_conn_state->force_audio;
else if (property == dev_priv->display.properties.broadcast_rgb)
*val = intel_conn_state->broadcast_rgb;
else {
drm_dbg_atomic(&dev_priv->drm,
"Unknown property [PROP:%d:%s]\n",
property->base.id, property->name);
return -EINVAL;
}
return 0;
}
/**
* intel_digital_connector_atomic_set_property - hook for connector->atomic_set_property.
* @connector: Connector to set the property for.
* @state: Connector state to set the property on.
* @property: Property to set.
* @val: New value for the property.
*
* Sets the atomic property value for a digital connector.
*/
int intel_digital_connector_atomic_set_property(struct drm_connector *connector,
struct drm_connector_state *state,
struct drm_property *property,
u64 val)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_digital_connector_state *intel_conn_state =
to_intel_digital_connector_state(state);
if (property == dev_priv->display.properties.force_audio) {
intel_conn_state->force_audio = val;
return 0;
}
if (property == dev_priv->display.properties.broadcast_rgb) {
intel_conn_state->broadcast_rgb = val;
return 0;
}
drm_dbg_atomic(&dev_priv->drm, "Unknown property [PROP:%d:%s]\n",
property->base.id, property->name);
return -EINVAL;
}
int intel_digital_connector_atomic_check(struct drm_connector *conn,
struct drm_atomic_state *state)
{
struct drm_connector_state *new_state =
drm_atomic_get_new_connector_state(state, conn);
struct intel_digital_connector_state *new_conn_state =
to_intel_digital_connector_state(new_state);
struct drm_connector_state *old_state =
drm_atomic_get_old_connector_state(state, conn);
struct intel_digital_connector_state *old_conn_state =
to_intel_digital_connector_state(old_state);
struct drm_crtc_state *crtc_state;
intel_hdcp_atomic_check(conn, old_state, new_state);
if (!new_state->crtc)
return 0;
crtc_state = drm_atomic_get_new_crtc_state(state, new_state->crtc);
/*
* These properties are handled by fastset, and might not end
* up in a modeset.
*/
if (new_conn_state->force_audio != old_conn_state->force_audio ||
new_conn_state->broadcast_rgb != old_conn_state->broadcast_rgb ||
new_conn_state->base.colorspace != old_conn_state->base.colorspace ||
new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio ||
new_conn_state->base.content_type != old_conn_state->base.content_type ||
new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode ||
new_conn_state->base.privacy_screen_sw_state != old_conn_state->base.privacy_screen_sw_state ||
!drm_connector_atomic_hdr_metadata_equal(old_state, new_state))
crtc_state->mode_changed = true;
return 0;
}
/**
* intel_digital_connector_duplicate_state - duplicate connector state
* @connector: digital connector
*
* Allocates and returns a copy of the connector state (both common and
* digital connector specific) for the specified connector.
*
* Returns: The newly allocated connector state, or NULL on failure.
*/
struct drm_connector_state *
intel_digital_connector_duplicate_state(struct drm_connector *connector)
{
struct intel_digital_connector_state *state;
state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
if (!state)
return NULL;
__drm_atomic_helper_connector_duplicate_state(connector, &state->base);
return &state->base;
}
/**
* intel_connector_needs_modeset - check if connector needs a modeset
* @state: the atomic state corresponding to this modeset
* @connector: the connector
*/
bool
intel_connector_needs_modeset(struct intel_atomic_state *state,
struct drm_connector *connector)
{
const struct drm_connector_state *old_conn_state, *new_conn_state;
old_conn_state = drm_atomic_get_old_connector_state(&state->base, connector);
new_conn_state = drm_atomic_get_new_connector_state(&state->base, connector);
return old_conn_state->crtc != new_conn_state->crtc ||
(new_conn_state->crtc &&
drm_atomic_crtc_needs_modeset(drm_atomic_get_new_crtc_state(&state->base,
new_conn_state->crtc)));
}
/**
* intel_any_crtc_needs_modeset - check if any CRTC needs a modeset
* @state: the atomic state corresponding to this modeset
*
* Returns true if any CRTC in @state needs a modeset.
*/
bool intel_any_crtc_needs_modeset(struct intel_atomic_state *state)
{
struct intel_crtc *crtc;
struct intel_crtc_state *crtc_state;
int i;
for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
if (intel_crtc_needs_modeset(crtc_state))
return true;
}
return false;
}
struct intel_digital_connector_state *
intel_atomic_get_digital_connector_state(struct intel_atomic_state *state,
struct intel_connector *connector)
{
struct drm_connector_state *conn_state;
conn_state = drm_atomic_get_connector_state(&state->base,
&connector->base);
if (IS_ERR(conn_state))
return ERR_CAST(conn_state);
return to_intel_digital_connector_state(conn_state);
}
/**
* intel_crtc_duplicate_state - duplicate crtc state
* @crtc: drm crtc
*
* Allocates and returns a copy of the crtc state (both common and
* Intel-specific) for the specified crtc.
*
* Returns: The newly allocated crtc state, or NULL on failure.
*/
struct drm_crtc_state *
intel_crtc_duplicate_state(struct drm_crtc *crtc)
{
const struct intel_crtc_state *old_crtc_state = to_intel_crtc_state(crtc->state);
struct intel_crtc_state *crtc_state;
crtc_state = kmemdup(old_crtc_state, sizeof(*crtc_state), GFP_KERNEL);
if (!crtc_state)
return NULL;
__drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->uapi);
/* copy color blobs */
if (crtc_state->hw.degamma_lut)
drm_property_blob_get(crtc_state->hw.degamma_lut);
if (crtc_state->hw.ctm)
drm_property_blob_get(crtc_state->hw.ctm);
if (crtc_state->hw.gamma_lut)
drm_property_blob_get(crtc_state->hw.gamma_lut);
if (crtc_state->pre_csc_lut)
drm_property_blob_get(crtc_state->pre_csc_lut);
if (crtc_state->post_csc_lut)
drm_property_blob_get(crtc_state->post_csc_lut);
if (crtc_state->dp_tunnel_ref.tunnel)
drm_dp_tunnel_ref_get(crtc_state->dp_tunnel_ref.tunnel,
&crtc_state->dp_tunnel_ref);
crtc_state->update_pipe = false;
crtc_state->update_m_n = false;
crtc_state->update_lrr = false;
crtc_state->disable_lp_wm = false;
crtc_state->disable_cxsr = false;
crtc_state->update_wm_pre = false;
crtc_state->update_wm_post = false;
crtc_state->fifo_changed = false;
crtc_state->preload_luts = false;
crtc_state->wm.need_postvbl_update = false;
crtc_state->do_async_flip = false;
crtc_state->fb_bits = 0;
crtc_state->update_planes = 0;
crtc_state->dsb_color_vblank = NULL;
crtc_state->dsb_color_commit = NULL;
return &crtc_state->uapi;
}
static void intel_crtc_put_color_blobs(struct intel_crtc_state *crtc_state)
{
drm_property_blob_put(crtc_state->hw.degamma_lut);
drm_property_blob_put(crtc_state->hw.gamma_lut);
drm_property_blob_put(crtc_state->hw.ctm);
drm_property_blob_put(crtc_state->pre_csc_lut);
drm_property_blob_put(crtc_state->post_csc_lut);
}
void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state)
{
intel_crtc_put_color_blobs(crtc_state);
}
/**
* intel_crtc_destroy_state - destroy crtc state
* @crtc: drm crtc
* @state: the state to destroy
*
* Destroys the crtc state (both common and Intel-specific) for the
* specified crtc.
*/
void
intel_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct intel_crtc_state *crtc_state = to_intel_crtc_state(state);
drm_WARN_ON(crtc->dev, crtc_state->dsb_color_vblank);
drm_WARN_ON(crtc->dev, crtc_state->dsb_color_commit);
__drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
intel_crtc_free_hw_state(crtc_state);
if (crtc_state->dp_tunnel_ref.tunnel)
drm_dp_tunnel_ref_put(&crtc_state->dp_tunnel_ref);
kfree(crtc_state);
}
struct drm_atomic_state *
intel_atomic_state_alloc(struct drm_device *dev)
{
struct intel_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
kfree(state);
return NULL;
}
return &state->base;
}
void intel_atomic_state_free(struct drm_atomic_state *_state)
{
struct intel_atomic_state *state = to_intel_atomic_state(_state);
drm_atomic_state_default_release(&state->base);
kfree(state->global_objs);
kfree(state);
}
void intel_atomic_state_clear(struct drm_atomic_state *s)
{
struct intel_atomic_state *state = to_intel_atomic_state(s);
drm_atomic_state_default_clear(&state->base);
intel_atomic_clear_global_state(state);
/* state->internal not reset on purpose */
state->dpll_set = state->modeset = false;
intel_dp_tunnel_atomic_cleanup_inherited_state(state);
}
struct intel_crtc_state *
intel_atomic_get_crtc_state(struct drm_atomic_state *state,
struct intel_crtc *crtc)
{
struct drm_crtc_state *crtc_state;
crtc_state = drm_atomic_get_crtc_state(state, &crtc->base);
if (IS_ERR(crtc_state))
return ERR_CAST(crtc_state);
return to_intel_crtc_state(crtc_state);
}
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