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amdgpu_dm.c
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amdgpu_dm.c
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/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: AMD
*
*/
/* The caprices of the preprocessor require that this be declared right here */
#define CREATE_TRACE_POINTS
#include "dm_services_types.h"
#include "dc.h"
#include "dc_link_dp.h"
#include "dc/inc/core_types.h"
#include "dal_asic_id.h"
#include "dmub/dmub_srv.h"
#include "dc/inc/hw/dmcu.h"
#include "dc/inc/hw/abm.h"
#include "dc/dc_dmub_srv.h"
#include "dc/dc_edid_parser.h"
#include "dc/dc_stat.h"
#include "amdgpu_dm_trace.h"
#include "vid.h"
#include "amdgpu.h"
#include "amdgpu_display.h"
#include "amdgpu_ucode.h"
#include "atom.h"
#include "amdgpu_dm.h"
#ifdef CONFIG_DRM_AMD_DC_HDCP
#include "amdgpu_dm_hdcp.h"
#include <drm/drm_hdcp.h>
#endif
#include "amdgpu_pm.h"
#include "amd_shared.h"
#include "amdgpu_dm_irq.h"
#include "dm_helpers.h"
#include "amdgpu_dm_mst_types.h"
#if defined(CONFIG_DEBUG_FS)
#include "amdgpu_dm_debugfs.h"
#endif
#include "amdgpu_dm_psr.h"
#include "ivsrcid/ivsrcid_vislands30.h"
#include "i2caux_interface.h"
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/pm_runtime.h>
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/component.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_dp_mst_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_edid.h>
#include <drm/drm_vblank.h>
#include <drm/drm_audio_component.h>
#if defined(CONFIG_DRM_AMD_DC_DCN)
#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
#include "dcn/dcn_1_0_offset.h"
#include "dcn/dcn_1_0_sh_mask.h"
#include "soc15_hw_ip.h"
#include "vega10_ip_offset.h"
#include "soc15_common.h"
#endif
#include "modules/inc/mod_freesync.h"
#include "modules/power/power_helpers.h"
#include "modules/inc/mod_info_packet.h"
#define FIRMWARE_RENOIR_DMUB "amdgpu/renoir_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_RENOIR_DMUB);
#define FIRMWARE_SIENNA_CICHLID_DMUB "amdgpu/sienna_cichlid_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID_DMUB);
#define FIRMWARE_NAVY_FLOUNDER_DMUB "amdgpu/navy_flounder_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER_DMUB);
#define FIRMWARE_GREEN_SARDINE_DMUB "amdgpu/green_sardine_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE_DMUB);
#define FIRMWARE_VANGOGH_DMUB "amdgpu/vangogh_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_VANGOGH_DMUB);
#define FIRMWARE_DIMGREY_CAVEFISH_DMUB "amdgpu/dimgrey_cavefish_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH_DMUB);
#define FIRMWARE_BEIGE_GOBY_DMUB "amdgpu/beige_goby_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY_DMUB);
#define FIRMWARE_YELLOW_CARP_DMUB "amdgpu/yellow_carp_dmcub.bin"
MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP_DMUB);
#define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
#define FIRMWARE_NAVI12_DMCU "amdgpu/navi12_dmcu.bin"
MODULE_FIRMWARE(FIRMWARE_NAVI12_DMCU);
/* Number of bytes in PSP header for firmware. */
#define PSP_HEADER_BYTES 0x100
/* Number of bytes in PSP footer for firmware. */
#define PSP_FOOTER_BYTES 0x100
/**
* DOC: overview
*
* The AMDgpu display manager, **amdgpu_dm** (or even simpler,
* **dm**) sits between DRM and DC. It acts as a liaison, converting DRM
* requests into DC requests, and DC responses into DRM responses.
*
* The root control structure is &struct amdgpu_display_manager.
*/
/* basic init/fini API */
static int amdgpu_dm_init(struct amdgpu_device *adev);
static void amdgpu_dm_fini(struct amdgpu_device *adev);
static bool is_freesync_video_mode(const struct drm_display_mode *mode, struct amdgpu_dm_connector *aconnector);
static enum drm_mode_subconnector get_subconnector_type(struct dc_link *link)
{
switch (link->dpcd_caps.dongle_type) {
case DISPLAY_DONGLE_NONE:
return DRM_MODE_SUBCONNECTOR_Native;
case DISPLAY_DONGLE_DP_VGA_CONVERTER:
return DRM_MODE_SUBCONNECTOR_VGA;
case DISPLAY_DONGLE_DP_DVI_CONVERTER:
case DISPLAY_DONGLE_DP_DVI_DONGLE:
return DRM_MODE_SUBCONNECTOR_DVID;
case DISPLAY_DONGLE_DP_HDMI_CONVERTER:
case DISPLAY_DONGLE_DP_HDMI_DONGLE:
return DRM_MODE_SUBCONNECTOR_HDMIA;
case DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE:
default:
return DRM_MODE_SUBCONNECTOR_Unknown;
}
}
static void update_subconnector_property(struct amdgpu_dm_connector *aconnector)
{
struct dc_link *link = aconnector->dc_link;
struct drm_connector *connector = &aconnector->base;
enum drm_mode_subconnector subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
return;
if (aconnector->dc_sink)
subconnector = get_subconnector_type(link);
drm_object_property_set_value(&connector->base,
connector->dev->mode_config.dp_subconnector_property,
subconnector);
}
/*
* initializes drm_device display related structures, based on the information
* provided by DAL. The drm strcutures are: drm_crtc, drm_connector,
* drm_encoder, drm_mode_config
*
* Returns 0 on success
*/
static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev);
/* removes and deallocates the drm structures, created by the above function */
static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm);
static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
struct drm_plane *plane,
unsigned long possible_crtcs,
const struct dc_plane_cap *plane_cap);
static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
struct drm_plane *plane,
uint32_t link_index);
static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
struct amdgpu_dm_connector *amdgpu_dm_connector,
uint32_t link_index,
struct amdgpu_encoder *amdgpu_encoder);
static int amdgpu_dm_encoder_init(struct drm_device *dev,
struct amdgpu_encoder *aencoder,
uint32_t link_index);
static int amdgpu_dm_connector_get_modes(struct drm_connector *connector);
static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state);
static int amdgpu_dm_atomic_check(struct drm_device *dev,
struct drm_atomic_state *state);
static void handle_cursor_update(struct drm_plane *plane,
struct drm_plane_state *old_plane_state);
static const struct drm_format_info *
amd_get_format_info(const struct drm_mode_fb_cmd2 *cmd);
static bool
is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state,
struct drm_crtc_state *new_crtc_state);
/*
* dm_vblank_get_counter
*
* @brief
* Get counter for number of vertical blanks
*
* @param
* struct amdgpu_device *adev - [in] desired amdgpu device
* int disp_idx - [in] which CRTC to get the counter from
*
* @return
* Counter for vertical blanks
*/
static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc)
{
if (crtc >= adev->mode_info.num_crtc)
return 0;
else {
struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
if (acrtc->dm_irq_params.stream == NULL) {
DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
crtc);
return 0;
}
return dc_stream_get_vblank_counter(acrtc->dm_irq_params.stream);
}
}
static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
u32 *vbl, u32 *position)
{
uint32_t v_blank_start, v_blank_end, h_position, v_position;
if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
return -EINVAL;
else {
struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
if (acrtc->dm_irq_params.stream == NULL) {
DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
crtc);
return 0;
}
/*
* TODO rework base driver to use values directly.
* for now parse it back into reg-format
*/
dc_stream_get_scanoutpos(acrtc->dm_irq_params.stream,
&v_blank_start,
&v_blank_end,
&h_position,
&v_position);
*position = v_position | (h_position << 16);
*vbl = v_blank_start | (v_blank_end << 16);
}
return 0;
}
static bool dm_is_idle(void *handle)
{
/* XXX todo */
return true;
}
static int dm_wait_for_idle(void *handle)
{
/* XXX todo */
return 0;
}
static bool dm_check_soft_reset(void *handle)
{
return false;
}
static int dm_soft_reset(void *handle)
{
/* XXX todo */
return 0;
}
static struct amdgpu_crtc *
get_crtc_by_otg_inst(struct amdgpu_device *adev,
int otg_inst)
{
struct drm_device *dev = adev_to_drm(adev);
struct drm_crtc *crtc;
struct amdgpu_crtc *amdgpu_crtc;
if (WARN_ON(otg_inst == -1))
return adev->mode_info.crtcs[0];
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
amdgpu_crtc = to_amdgpu_crtc(crtc);
if (amdgpu_crtc->otg_inst == otg_inst)
return amdgpu_crtc;
}
return NULL;
}
static inline bool amdgpu_dm_vrr_active_irq(struct amdgpu_crtc *acrtc)
{
return acrtc->dm_irq_params.freesync_config.state ==
VRR_STATE_ACTIVE_VARIABLE ||
acrtc->dm_irq_params.freesync_config.state ==
VRR_STATE_ACTIVE_FIXED;
}
static inline bool amdgpu_dm_vrr_active(struct dm_crtc_state *dm_state)
{
return dm_state->freesync_config.state == VRR_STATE_ACTIVE_VARIABLE ||
dm_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED;
}
static inline bool is_dc_timing_adjust_needed(struct dm_crtc_state *old_state,
struct dm_crtc_state *new_state)
{
if (new_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED)
return true;
else if (amdgpu_dm_vrr_active(old_state) != amdgpu_dm_vrr_active(new_state))
return true;
else
return false;
}
/**
* dm_pflip_high_irq() - Handle pageflip interrupt
* @interrupt_params: ignored
*
* Handles the pageflip interrupt by notifying all interested parties
* that the pageflip has been completed.
*/
static void dm_pflip_high_irq(void *interrupt_params)
{
struct amdgpu_crtc *amdgpu_crtc;
struct common_irq_params *irq_params = interrupt_params;
struct amdgpu_device *adev = irq_params->adev;
unsigned long flags;
struct drm_pending_vblank_event *e;
uint32_t vpos, hpos, v_blank_start, v_blank_end;
bool vrr_active;
amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP);
/* IRQ could occur when in initial stage */
/* TODO work and BO cleanup */
if (amdgpu_crtc == NULL) {
DC_LOG_PFLIP("CRTC is null, returning.\n");
return;
}
spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
DC_LOG_PFLIP("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n",
amdgpu_crtc->pflip_status,
AMDGPU_FLIP_SUBMITTED,
amdgpu_crtc->crtc_id,
amdgpu_crtc);
spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
return;
}
/* page flip completed. */
e = amdgpu_crtc->event;
amdgpu_crtc->event = NULL;
WARN_ON(!e);
vrr_active = amdgpu_dm_vrr_active_irq(amdgpu_crtc);
/* Fixed refresh rate, or VRR scanout position outside front-porch? */
if (!vrr_active ||
!dc_stream_get_scanoutpos(amdgpu_crtc->dm_irq_params.stream, &v_blank_start,
&v_blank_end, &hpos, &vpos) ||
(vpos < v_blank_start)) {
/* Update to correct count and vblank timestamp if racing with
* vblank irq. This also updates to the correct vblank timestamp
* even in VRR mode, as scanout is past the front-porch atm.
*/
drm_crtc_accurate_vblank_count(&amdgpu_crtc->base);
/* Wake up userspace by sending the pageflip event with proper
* count and timestamp of vblank of flip completion.
*/
if (e) {
drm_crtc_send_vblank_event(&amdgpu_crtc->base, e);
/* Event sent, so done with vblank for this flip */
drm_crtc_vblank_put(&amdgpu_crtc->base);
}
} else if (e) {
/* VRR active and inside front-porch: vblank count and
* timestamp for pageflip event will only be up to date after
* drm_crtc_handle_vblank() has been executed from late vblank
* irq handler after start of back-porch (vline 0). We queue the
* pageflip event for send-out by drm_crtc_handle_vblank() with
* updated timestamp and count, once it runs after us.
*
* We need to open-code this instead of using the helper
* drm_crtc_arm_vblank_event(), as that helper would
* call drm_crtc_accurate_vblank_count(), which we must
* not call in VRR mode while we are in front-porch!
*/
/* sequence will be replaced by real count during send-out. */
e->sequence = drm_crtc_vblank_count(&amdgpu_crtc->base);
e->pipe = amdgpu_crtc->crtc_id;
list_add_tail(&e->base.link, &adev_to_drm(adev)->vblank_event_list);
e = NULL;
}
/* Keep track of vblank of this flip for flip throttling. We use the
* cooked hw counter, as that one incremented at start of this vblank
* of pageflip completion, so last_flip_vblank is the forbidden count
* for queueing new pageflips if vsync + VRR is enabled.
*/
amdgpu_crtc->dm_irq_params.last_flip_vblank =
amdgpu_get_vblank_counter_kms(&amdgpu_crtc->base);
amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
DC_LOG_PFLIP("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_NONE, vrr[%d]-fp %d\n",
amdgpu_crtc->crtc_id, amdgpu_crtc,
vrr_active, (int) !e);
}
static void dm_vupdate_high_irq(void *interrupt_params)
{
struct common_irq_params *irq_params = interrupt_params;
struct amdgpu_device *adev = irq_params->adev;
struct amdgpu_crtc *acrtc;
struct drm_device *drm_dev;
struct drm_vblank_crtc *vblank;
ktime_t frame_duration_ns, previous_timestamp;
unsigned long flags;
int vrr_active;
acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VUPDATE);
if (acrtc) {
vrr_active = amdgpu_dm_vrr_active_irq(acrtc);
drm_dev = acrtc->base.dev;
vblank = &drm_dev->vblank[acrtc->base.index];
previous_timestamp = atomic64_read(&irq_params->previous_timestamp);
frame_duration_ns = vblank->time - previous_timestamp;
if (frame_duration_ns > 0) {
trace_amdgpu_refresh_rate_track(acrtc->base.index,
frame_duration_ns,
ktime_divns(NSEC_PER_SEC, frame_duration_ns));
atomic64_set(&irq_params->previous_timestamp, vblank->time);
}
DC_LOG_VBLANK("crtc:%d, vupdate-vrr:%d\n",
acrtc->crtc_id,
vrr_active);
/* Core vblank handling is done here after end of front-porch in
* vrr mode, as vblank timestamping will give valid results
* while now done after front-porch. This will also deliver
* page-flip completion events that have been queued to us
* if a pageflip happened inside front-porch.
*/
if (vrr_active) {
drm_crtc_handle_vblank(&acrtc->base);
/* BTR processing for pre-DCE12 ASICs */
if (acrtc->dm_irq_params.stream &&
adev->family < AMDGPU_FAMILY_AI) {
spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
mod_freesync_handle_v_update(
adev->dm.freesync_module,
acrtc->dm_irq_params.stream,
&acrtc->dm_irq_params.vrr_params);
dc_stream_adjust_vmin_vmax(
adev->dm.dc,
acrtc->dm_irq_params.stream,
&acrtc->dm_irq_params.vrr_params.adjust);
spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
}
}
}
}
/**
* dm_crtc_high_irq() - Handles CRTC interrupt
* @interrupt_params: used for determining the CRTC instance
*
* Handles the CRTC/VSYNC interrupt by notfying DRM's VBLANK
* event handler.
*/
static void dm_crtc_high_irq(void *interrupt_params)
{
struct common_irq_params *irq_params = interrupt_params;
struct amdgpu_device *adev = irq_params->adev;
struct amdgpu_crtc *acrtc;
unsigned long flags;
int vrr_active;
acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK);
if (!acrtc)
return;
vrr_active = amdgpu_dm_vrr_active_irq(acrtc);
DC_LOG_VBLANK("crtc:%d, vupdate-vrr:%d, planes:%d\n", acrtc->crtc_id,
vrr_active, acrtc->dm_irq_params.active_planes);
/**
* Core vblank handling at start of front-porch is only possible
* in non-vrr mode, as only there vblank timestamping will give
* valid results while done in front-porch. Otherwise defer it
* to dm_vupdate_high_irq after end of front-porch.
*/
if (!vrr_active)
drm_crtc_handle_vblank(&acrtc->base);
/**
* Following stuff must happen at start of vblank, for crc
* computation and below-the-range btr support in vrr mode.
*/
amdgpu_dm_crtc_handle_crc_irq(&acrtc->base);
/* BTR updates need to happen before VUPDATE on Vega and above. */
if (adev->family < AMDGPU_FAMILY_AI)
return;
spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
if (acrtc->dm_irq_params.stream &&
acrtc->dm_irq_params.vrr_params.supported &&
acrtc->dm_irq_params.freesync_config.state ==
VRR_STATE_ACTIVE_VARIABLE) {
mod_freesync_handle_v_update(adev->dm.freesync_module,
acrtc->dm_irq_params.stream,
&acrtc->dm_irq_params.vrr_params);
dc_stream_adjust_vmin_vmax(adev->dm.dc, acrtc->dm_irq_params.stream,
&acrtc->dm_irq_params.vrr_params.adjust);
}
/*
* If there aren't any active_planes then DCH HUBP may be clock-gated.
* In that case, pageflip completion interrupts won't fire and pageflip
* completion events won't get delivered. Prevent this by sending
* pending pageflip events from here if a flip is still pending.
*
* If any planes are enabled, use dm_pflip_high_irq() instead, to
* avoid race conditions between flip programming and completion,
* which could cause too early flip completion events.
*/
if (adev->family >= AMDGPU_FAMILY_RV &&
acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED &&
acrtc->dm_irq_params.active_planes == 0) {
if (acrtc->event) {
drm_crtc_send_vblank_event(&acrtc->base, acrtc->event);
acrtc->event = NULL;
drm_crtc_vblank_put(&acrtc->base);
}
acrtc->pflip_status = AMDGPU_FLIP_NONE;
}
spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
}
#if defined(CONFIG_DRM_AMD_DC_DCN)
#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
/**
* dm_dcn_vertical_interrupt0_high_irq() - Handles OTG Vertical interrupt0 for
* DCN generation ASICs
* @interrupt_params: interrupt parameters
*
* Used to set crc window/read out crc value at vertical line 0 position
*/
static void dm_dcn_vertical_interrupt0_high_irq(void *interrupt_params)
{
struct common_irq_params *irq_params = interrupt_params;
struct amdgpu_device *adev = irq_params->adev;
struct amdgpu_crtc *acrtc;
acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VLINE0);
if (!acrtc)
return;
amdgpu_dm_crtc_handle_crc_window_irq(&acrtc->base);
}
#endif
/**
* dm_dmub_outbox1_low_irq() - Handles Outbox interrupt
* @interrupt_params: used for determining the Outbox instance
*
* Handles the Outbox Interrupt
* event handler.
*/
#define DMUB_TRACE_MAX_READ 64
static void dm_dmub_outbox1_low_irq(void *interrupt_params)
{
struct dmub_notification notify;
struct common_irq_params *irq_params = interrupt_params;
struct amdgpu_device *adev = irq_params->adev;
struct amdgpu_display_manager *dm = &adev->dm;
struct dmcub_trace_buf_entry entry = { 0 };
uint32_t count = 0;
if (dc_enable_dmub_notifications(adev->dm.dc)) {
if (irq_params->irq_src == DC_IRQ_SOURCE_DMCUB_OUTBOX) {
do {
dc_stat_get_dmub_notification(adev->dm.dc, ¬ify);
} while (notify.pending_notification);
if (adev->dm.dmub_notify)
memcpy(adev->dm.dmub_notify, ¬ify, sizeof(struct dmub_notification));
if (notify.type == DMUB_NOTIFICATION_AUX_REPLY)
complete(&adev->dm.dmub_aux_transfer_done);
// TODO : HPD Implementation
} else {
DRM_ERROR("DM: Failed to receive correct outbox IRQ !");
}
}
do {
if (dc_dmub_srv_get_dmub_outbox0_msg(dm->dc, &entry)) {
trace_amdgpu_dmub_trace_high_irq(entry.trace_code, entry.tick_count,
entry.param0, entry.param1);
DRM_DEBUG_DRIVER("trace_code:%u, tick_count:%u, param0:%u, param1:%u\n",
entry.trace_code, entry.tick_count, entry.param0, entry.param1);
} else
break;
count++;
} while (count <= DMUB_TRACE_MAX_READ);
ASSERT(count <= DMUB_TRACE_MAX_READ);
}
#endif
static int dm_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
return 0;
}
static int dm_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
return 0;
}
/* Prototypes of private functions */
static int dm_early_init(void* handle);
/* Allocate memory for FBC compressed data */
static void amdgpu_dm_fbc_init(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct amdgpu_device *adev = drm_to_adev(dev);
struct dm_compressor_info *compressor = &adev->dm.compressor;
struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector);
struct drm_display_mode *mode;
unsigned long max_size = 0;
if (adev->dm.dc->fbc_compressor == NULL)
return;
if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP)
return;
if (compressor->bo_ptr)
return;
list_for_each_entry(mode, &connector->modes, head) {
if (max_size < mode->htotal * mode->vtotal)
max_size = mode->htotal * mode->vtotal;
}
if (max_size) {
int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr,
&compressor->gpu_addr, &compressor->cpu_addr);
if (r)
DRM_ERROR("DM: Failed to initialize FBC\n");
else {
adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr;
DRM_INFO("DM: FBC alloc %lu\n", max_size*4);
}
}
}
static int amdgpu_dm_audio_component_get_eld(struct device *kdev, int port,
int pipe, bool *enabled,
unsigned char *buf, int max_bytes)
{
struct drm_device *dev = dev_get_drvdata(kdev);
struct amdgpu_device *adev = drm_to_adev(dev);
struct drm_connector *connector;
struct drm_connector_list_iter conn_iter;
struct amdgpu_dm_connector *aconnector;
int ret = 0;
*enabled = false;
mutex_lock(&adev->dm.audio_lock);
drm_connector_list_iter_begin(dev, &conn_iter);
drm_for_each_connector_iter(connector, &conn_iter) {
aconnector = to_amdgpu_dm_connector(connector);
if (aconnector->audio_inst != port)
continue;
*enabled = true;
ret = drm_eld_size(connector->eld);
memcpy(buf, connector->eld, min(max_bytes, ret));
break;
}
drm_connector_list_iter_end(&conn_iter);
mutex_unlock(&adev->dm.audio_lock);
DRM_DEBUG_KMS("Get ELD : idx=%d ret=%d en=%d\n", port, ret, *enabled);
return ret;
}
static const struct drm_audio_component_ops amdgpu_dm_audio_component_ops = {
.get_eld = amdgpu_dm_audio_component_get_eld,
};
static int amdgpu_dm_audio_component_bind(struct device *kdev,
struct device *hda_kdev, void *data)
{
struct drm_device *dev = dev_get_drvdata(kdev);
struct amdgpu_device *adev = drm_to_adev(dev);
struct drm_audio_component *acomp = data;
acomp->ops = &amdgpu_dm_audio_component_ops;
acomp->dev = kdev;
adev->dm.audio_component = acomp;
return 0;
}
static void amdgpu_dm_audio_component_unbind(struct device *kdev,
struct device *hda_kdev, void *data)
{
struct drm_device *dev = dev_get_drvdata(kdev);
struct amdgpu_device *adev = drm_to_adev(dev);
struct drm_audio_component *acomp = data;
acomp->ops = NULL;
acomp->dev = NULL;
adev->dm.audio_component = NULL;
}
static const struct component_ops amdgpu_dm_audio_component_bind_ops = {
.bind = amdgpu_dm_audio_component_bind,
.unbind = amdgpu_dm_audio_component_unbind,
};
static int amdgpu_dm_audio_init(struct amdgpu_device *adev)
{
int i, ret;
if (!amdgpu_audio)
return 0;
adev->mode_info.audio.enabled = true;
adev->mode_info.audio.num_pins = adev->dm.dc->res_pool->audio_count;
for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
adev->mode_info.audio.pin[i].channels = -1;
adev->mode_info.audio.pin[i].rate = -1;
adev->mode_info.audio.pin[i].bits_per_sample = -1;
adev->mode_info.audio.pin[i].status_bits = 0;
adev->mode_info.audio.pin[i].category_code = 0;
adev->mode_info.audio.pin[i].connected = false;
adev->mode_info.audio.pin[i].id =
adev->dm.dc->res_pool->audios[i]->inst;
adev->mode_info.audio.pin[i].offset = 0;
}
ret = component_add(adev->dev, &amdgpu_dm_audio_component_bind_ops);
if (ret < 0)
return ret;
adev->dm.audio_registered = true;
return 0;
}
static void amdgpu_dm_audio_fini(struct amdgpu_device *adev)
{
if (!amdgpu_audio)
return;
if (!adev->mode_info.audio.enabled)
return;
if (adev->dm.audio_registered) {
component_del(adev->dev, &amdgpu_dm_audio_component_bind_ops);
adev->dm.audio_registered = false;
}
/* TODO: Disable audio? */
adev->mode_info.audio.enabled = false;
}
static void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin)
{
struct drm_audio_component *acomp = adev->dm.audio_component;
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) {
DRM_DEBUG_KMS("Notify ELD: %d\n", pin);
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
pin, -1);
}
}
static int dm_dmub_hw_init(struct amdgpu_device *adev)
{
const struct dmcub_firmware_header_v1_0 *hdr;
struct dmub_srv *dmub_srv = adev->dm.dmub_srv;
struct dmub_srv_fb_info *fb_info = adev->dm.dmub_fb_info;
const struct firmware *dmub_fw = adev->dm.dmub_fw;
struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu;
struct abm *abm = adev->dm.dc->res_pool->abm;
struct dmub_srv_hw_params hw_params;
enum dmub_status status;
const unsigned char *fw_inst_const, *fw_bss_data;
uint32_t i, fw_inst_const_size, fw_bss_data_size;
bool has_hw_support;
if (!dmub_srv)
/* DMUB isn't supported on the ASIC. */
return 0;
if (!fb_info) {
DRM_ERROR("No framebuffer info for DMUB service.\n");
return -EINVAL;
}
if (!dmub_fw) {
/* Firmware required for DMUB support. */
DRM_ERROR("No firmware provided for DMUB.\n");
return -EINVAL;
}
status = dmub_srv_has_hw_support(dmub_srv, &has_hw_support);
if (status != DMUB_STATUS_OK) {
DRM_ERROR("Error checking HW support for DMUB: %d\n", status);
return -EINVAL;
}
if (!has_hw_support) {
DRM_INFO("DMUB unsupported on ASIC\n");
return 0;
}
hdr = (const struct dmcub_firmware_header_v1_0 *)dmub_fw->data;
fw_inst_const = dmub_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
PSP_HEADER_BYTES;
fw_bss_data = dmub_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
le32_to_cpu(hdr->inst_const_bytes);
/* Copy firmware and bios info into FB memory. */
fw_inst_const_size = le32_to_cpu(hdr->inst_const_bytes) -
PSP_HEADER_BYTES - PSP_FOOTER_BYTES;
fw_bss_data_size = le32_to_cpu(hdr->bss_data_bytes);
/* if adev->firmware.load_type == AMDGPU_FW_LOAD_PSP,
* amdgpu_ucode_init_single_fw will load dmub firmware
* fw_inst_const part to cw0; otherwise, the firmware back door load
* will be done by dm_dmub_hw_init
*/
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
memcpy(fb_info->fb[DMUB_WINDOW_0_INST_CONST].cpu_addr, fw_inst_const,
fw_inst_const_size);
}
if (fw_bss_data_size)
memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr,
fw_bss_data, fw_bss_data_size);
/* Copy firmware bios info into FB memory. */
memcpy(fb_info->fb[DMUB_WINDOW_3_VBIOS].cpu_addr, adev->bios,
adev->bios_size);
/* Reset regions that need to be reset. */
memset(fb_info->fb[DMUB_WINDOW_4_MAILBOX].cpu_addr, 0,
fb_info->fb[DMUB_WINDOW_4_MAILBOX].size);
memset(fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].cpu_addr, 0,
fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].size);
memset(fb_info->fb[DMUB_WINDOW_6_FW_STATE].cpu_addr, 0,
fb_info->fb[DMUB_WINDOW_6_FW_STATE].size);
/* Initialize hardware. */
memset(&hw_params, 0, sizeof(hw_params));
hw_params.fb_base = adev->gmc.fb_start;
hw_params.fb_offset = adev->gmc.aper_base;
/* backdoor load firmware and trigger dmub running */
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
hw_params.load_inst_const = true;
if (dmcu)
hw_params.psp_version = dmcu->psp_version;
for (i = 0; i < fb_info->num_fb; ++i)
hw_params.fb[i] = &fb_info->fb[i];
status = dmub_srv_hw_init(dmub_srv, &hw_params);
if (status != DMUB_STATUS_OK) {
DRM_ERROR("Error initializing DMUB HW: %d\n", status);
return -EINVAL;
}
/* Wait for firmware load to finish. */
status = dmub_srv_wait_for_auto_load(dmub_srv, 100000);
if (status != DMUB_STATUS_OK)
DRM_WARN("Wait for DMUB auto-load failed: %d\n", status);
/* Init DMCU and ABM if available. */
if (dmcu && abm) {
dmcu->funcs->dmcu_init(dmcu);
abm->dmcu_is_running = dmcu->funcs->is_dmcu_initialized(dmcu);
}
if (!adev->dm.dc->ctx->dmub_srv)
adev->dm.dc->ctx->dmub_srv = dc_dmub_srv_create(adev->dm.dc, dmub_srv);
if (!adev->dm.dc->ctx->dmub_srv) {
DRM_ERROR("Couldn't allocate DC DMUB server!\n");
return -ENOMEM;
}
DRM_INFO("DMUB hardware initialized: version=0x%08X\n",
adev->dm.dmcub_fw_version);
return 0;
}
#if defined(CONFIG_DRM_AMD_DC_DCN)
static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_addr_space_config *pa_config)
{
uint64_t pt_base;
uint32_t logical_addr_low;
uint32_t logical_addr_high;
uint32_t agp_base, agp_bot, agp_top;
PHYSICAL_ADDRESS_LOC page_table_start, page_table_end, page_table_base;