return dsc_config.bits_per_pixel;
}
-static bool increase_dsc_bpp(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_state *mst_state,
- struct dc_link *dc_link,
- struct dsc_mst_fairness_params *params,
- struct dsc_mst_fairness_vars *vars,
- int count,
- int k)
+static int increase_dsc_bpp(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_state *mst_state,
+ struct dc_link *dc_link,
+ struct dsc_mst_fairness_params *params,
+ struct dsc_mst_fairness_vars *vars,
+ int count,
+ int k)
{
int i;
bool bpp_increased[MAX_PIPES];
int remaining_to_increase = 0;
int link_timeslots_used;
int fair_pbn_alloc;
+ int ret = 0;
for (i = 0; i < count; i++) {
if (vars[i + k].dsc_enabled) {
if (initial_slack[next_index] > fair_pbn_alloc) {
vars[next_index].pbn += fair_pbn_alloc;
- if (drm_dp_atomic_find_time_slots(state,
- params[next_index].port->mgr,
- params[next_index].port,
- vars[next_index].pbn) < 0)
- return false;
- if (!drm_dp_mst_atomic_check(state)) {
+ ret = drm_dp_atomic_find_time_slots(state,
+ params[next_index].port->mgr,
+ params[next_index].port,
+ vars[next_index].pbn);
+ if (ret < 0)
+ return ret;
+
+ ret = drm_dp_mst_atomic_check(state);
+ if (ret == 0) {
vars[next_index].bpp_x16 = bpp_x16_from_pbn(params[next_index], vars[next_index].pbn);
} else {
vars[next_index].pbn -= fair_pbn_alloc;
- if (drm_dp_atomic_find_time_slots(state,
- params[next_index].port->mgr,
- params[next_index].port,
- vars[next_index].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state,
+ params[next_index].port->mgr,
+ params[next_index].port,
+ vars[next_index].pbn);
+ if (ret < 0)
+ return ret;
}
} else {
vars[next_index].pbn += initial_slack[next_index];
- if (drm_dp_atomic_find_time_slots(state,
- params[next_index].port->mgr,
- params[next_index].port,
- vars[next_index].pbn) < 0)
- return false;
- if (!drm_dp_mst_atomic_check(state)) {
+ ret = drm_dp_atomic_find_time_slots(state,
+ params[next_index].port->mgr,
+ params[next_index].port,
+ vars[next_index].pbn);
+ if (ret < 0)
+ return ret;
+
+ ret = drm_dp_mst_atomic_check(state);
+ if (ret == 0) {
vars[next_index].bpp_x16 = params[next_index].bw_range.max_target_bpp_x16;
} else {
vars[next_index].pbn -= initial_slack[next_index];
- if (drm_dp_atomic_find_time_slots(state,
- params[next_index].port->mgr,
- params[next_index].port,
- vars[next_index].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state,
+ params[next_index].port->mgr,
+ params[next_index].port,
+ vars[next_index].pbn);
+ if (ret < 0)
+ return ret;
}
}
bpp_increased[next_index] = true;
remaining_to_increase--;
}
- return true;
+ return 0;
}
-static bool try_disable_dsc(struct drm_atomic_state *state,
- struct dc_link *dc_link,
- struct dsc_mst_fairness_params *params,
- struct dsc_mst_fairness_vars *vars,
- int count,
- int k)
+static int try_disable_dsc(struct drm_atomic_state *state,
+ struct dc_link *dc_link,
+ struct dsc_mst_fairness_params *params,
+ struct dsc_mst_fairness_vars *vars,
+ int count,
+ int k)
{
int i;
bool tried[MAX_PIPES];
int max_kbps_increase;
int next_index;
int remaining_to_try = 0;
+ int ret;
for (i = 0; i < count; i++) {
if (vars[i + k].dsc_enabled
break;
vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.stream_kbps);
- if (drm_dp_atomic_find_time_slots(state,
- params[next_index].port->mgr,
- params[next_index].port,
- vars[next_index].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state,
+ params[next_index].port->mgr,
+ params[next_index].port,
+ vars[next_index].pbn);
+ if (ret < 0)
+ return ret;
- if (!drm_dp_mst_atomic_check(state)) {
+ ret = drm_dp_mst_atomic_check(state);
+ if (ret == 0) {
vars[next_index].dsc_enabled = false;
vars[next_index].bpp_x16 = 0;
} else {
vars[next_index].pbn = kbps_to_peak_pbn(params[next_index].bw_range.max_kbps);
- if (drm_dp_atomic_find_time_slots(state,
- params[next_index].port->mgr,
- params[next_index].port,
- vars[next_index].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state,
+ params[next_index].port->mgr,
+ params[next_index].port,
+ vars[next_index].pbn);
+ if (ret < 0)
+ return ret;
}
tried[next_index] = true;
remaining_to_try--;
}
- return true;
+ return 0;
}
-static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
- struct dc_state *dc_state,
- struct dc_link *dc_link,
- struct dsc_mst_fairness_vars *vars,
- struct drm_dp_mst_topology_mgr *mgr,
- int *link_vars_start_index)
+static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
+ struct dc_state *dc_state,
+ struct dc_link *dc_link,
+ struct dsc_mst_fairness_vars *vars,
+ struct drm_dp_mst_topology_mgr *mgr,
+ int *link_vars_start_index)
{
struct dc_stream_state *stream;
struct dsc_mst_fairness_params params[MAX_PIPES];
struct amdgpu_dm_connector *aconnector;
struct drm_dp_mst_topology_state *mst_state = drm_atomic_get_mst_topology_state(state, mgr);
int count = 0;
- int i, k;
+ int i, k, ret;
bool debugfs_overwrite = false;
memset(params, 0, sizeof(params));
if (IS_ERR(mst_state))
- return false;
+ return PTR_ERR(mst_state);
mst_state->pbn_div = dm_mst_get_pbn_divider(dc_link);
#if defined(CONFIG_DRM_AMD_DC_DCN)
if (count == 0) {
ASSERT(0);
- return true;
+ return 0;
}
/* k is start index of vars for current phy link used by mst hub */
vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.stream_kbps);
vars[i + k].dsc_enabled = false;
vars[i + k].bpp_x16 = 0;
- if (drm_dp_atomic_find_time_slots(state, params[i].port->mgr, params[i].port,
- vars[i + k].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state, params[i].port->mgr, params[i].port,
+ vars[i + k].pbn);
+ if (ret < 0)
+ return ret;
}
- if (!drm_dp_mst_atomic_check(state) && !debugfs_overwrite) {
+ ret = drm_dp_mst_atomic_check(state);
+ if (ret == 0 && !debugfs_overwrite) {
set_dsc_configs_from_fairness_vars(params, vars, count, k);
- return true;
+ return 0;
+ } else if (ret != -ENOSPC) {
+ return ret;
}
/* Try max compression */
vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.min_kbps);
vars[i + k].dsc_enabled = true;
vars[i + k].bpp_x16 = params[i].bw_range.min_target_bpp_x16;
- if (drm_dp_atomic_find_time_slots(state, params[i].port->mgr,
- params[i].port, vars[i + k].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state, params[i].port->mgr,
+ params[i].port, vars[i + k].pbn);
+ if (ret < 0)
+ return ret;
} else {
vars[i + k].pbn = kbps_to_peak_pbn(params[i].bw_range.stream_kbps);
vars[i + k].dsc_enabled = false;
vars[i + k].bpp_x16 = 0;
- if (drm_dp_atomic_find_time_slots(state, params[i].port->mgr,
- params[i].port, vars[i + k].pbn) < 0)
- return false;
+ ret = drm_dp_atomic_find_time_slots(state, params[i].port->mgr,
+ params[i].port, vars[i + k].pbn);
+ if (ret < 0)
+ return ret;
}
}
- if (drm_dp_mst_atomic_check(state))
- return false;
+ ret = drm_dp_mst_atomic_check(state);
+ if (ret != 0)
+ return ret;
/* Optimize degree of compression */
- if (!increase_dsc_bpp(state, mst_state, dc_link, params, vars, count, k))
- return false;
+ ret = increase_dsc_bpp(state, mst_state, dc_link, params, vars, count, k);
+ if (ret < 0)
+ return ret;
- if (!try_disable_dsc(state, dc_link, params, vars, count, k))
- return false;
+ ret = try_disable_dsc(state, dc_link, params, vars, count, k);
+ if (ret < 0)
+ return ret;
set_dsc_configs_from_fairness_vars(params, vars, count, k);
- return true;
+ return 0;
}
static bool is_dsc_need_re_compute(
return is_dsc_need_re_compute;
}
-bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
- struct dc_state *dc_state,
- struct dsc_mst_fairness_vars *vars)
+int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
+ struct dc_state *dc_state,
+ struct dsc_mst_fairness_vars *vars)
{
int i, j;
struct dc_stream_state *stream;
bool computed_streams[MAX_PIPES];
struct amdgpu_dm_connector *aconnector;
+ struct drm_dp_mst_topology_mgr *mst_mgr;
int link_vars_start_index = 0;
+ int ret = 0;
for (i = 0; i < dc_state->stream_count; i++)
computed_streams[i] = false;
aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
- if (!aconnector || !aconnector->dc_sink)
+ if (!aconnector || !aconnector->dc_sink || !aconnector->port)
continue;
if (!aconnector->dc_sink->dsc_caps.dsc_dec_caps.is_dsc_supported)
continue;
if (dcn20_remove_stream_from_ctx(stream->ctx->dc, dc_state, stream) != DC_OK)
- return false;
+ return -EINVAL;
if (!is_dsc_need_re_compute(state, dc_state, stream->link))
continue;
- mutex_lock(&aconnector->mst_mgr.lock);
- if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars,
- &aconnector->mst_mgr,
- &link_vars_start_index)) {
- mutex_unlock(&aconnector->mst_mgr.lock);
- return false;
- }
- mutex_unlock(&aconnector->mst_mgr.lock);
+ mst_mgr = aconnector->port->mgr;
+ ret = compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars, mst_mgr,
+ &link_vars_start_index);
+ if (ret != 0)
+ return ret;
for (j = 0; j < dc_state->stream_count; j++) {
if (dc_state->streams[j]->link == stream->link)
if (stream->timing.flags.DSC == 1)
if (dc_stream_add_dsc_to_resource(stream->ctx->dc, dc_state, stream) != DC_OK)
- return false;
+ return -EINVAL;
}
- return true;
+ return ret;
}
-static bool
- pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
- struct dc_state *dc_state,
- struct dsc_mst_fairness_vars *vars)
+static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
+ struct dc_state *dc_state,
+ struct dsc_mst_fairness_vars *vars)
{
int i, j;
struct dc_stream_state *stream;
bool computed_streams[MAX_PIPES];
struct amdgpu_dm_connector *aconnector;
+ struct drm_dp_mst_topology_mgr *mst_mgr;
int link_vars_start_index = 0;
+ int ret = 0;
for (i = 0; i < dc_state->stream_count; i++)
computed_streams[i] = false;
aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
- if (!aconnector || !aconnector->dc_sink)
+ if (!aconnector || !aconnector->dc_sink || !aconnector->port)
continue;
if (!aconnector->dc_sink->dsc_caps.dsc_dec_caps.is_dsc_supported)
if (!is_dsc_need_re_compute(state, dc_state, stream->link))
continue;
- mutex_lock(&aconnector->mst_mgr.lock);
- if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars,
- &aconnector->mst_mgr,
- &link_vars_start_index)) {
- mutex_unlock(&aconnector->mst_mgr.lock);
- return false;
- }
- mutex_unlock(&aconnector->mst_mgr.lock);
+ mst_mgr = aconnector->port->mgr;
+ ret = compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars, mst_mgr,
+ &link_vars_start_index);
+ if (ret != 0)
+ return ret;
for (j = 0; j < dc_state->stream_count; j++) {
if (dc_state->streams[j]->link == stream->link)
}
}
- return true;
+ return ret;
}
static int find_crtc_index_in_state_by_stream(struct drm_atomic_state *state,
return ret;
}
-bool pre_validate_dsc(struct drm_atomic_state *state,
- struct dm_atomic_state **dm_state_ptr,
- struct dsc_mst_fairness_vars *vars)
+int pre_validate_dsc(struct drm_atomic_state *state,
+ struct dm_atomic_state **dm_state_ptr,
+ struct dsc_mst_fairness_vars *vars)
{
int i;
struct dm_atomic_state *dm_state;
if (!is_dsc_precompute_needed(state)) {
DRM_INFO_ONCE("DSC precompute is not needed.\n");
- return true;
+ return 0;
}
- if (dm_atomic_get_state(state, dm_state_ptr)) {
+ ret = dm_atomic_get_state(state, dm_state_ptr);
+ if (ret != 0) {
DRM_INFO_ONCE("dm_atomic_get_state() failed\n");
- return false;
+ return ret;
}
dm_state = *dm_state_ptr;
local_dc_state = kmemdup(dm_state->context, sizeof(struct dc_state), GFP_KERNEL);
if (!local_dc_state)
- return false;
+ return -ENOMEM;
for (i = 0; i < local_dc_state->stream_count; i++) {
struct dc_stream_state *stream = dm_state->context->streams[i];
if (ret != 0)
goto clean_exit;
- if (!pre_compute_mst_dsc_configs_for_state(state, local_dc_state, vars)) {
+ ret = pre_compute_mst_dsc_configs_for_state(state, local_dc_state, vars);
+ if (ret != 0) {
DRM_INFO_ONCE("pre_compute_mst_dsc_configs_for_state() failed\n");
- ret = -EINVAL;
goto clean_exit;
}
kfree(local_dc_state);
- return (ret == 0);
+ return ret;
}
static unsigned int kbps_from_pbn(unsigned int pbn)
unsigned int upper_link_bw_in_kbps = 0, down_link_bw_in_kbps = 0;
unsigned int max_compressed_bw_in_kbps = 0;
struct dc_dsc_bw_range bw_range = {0};
+ struct drm_dp_mst_topology_mgr *mst_mgr;
/*
* check if the mode could be supported if DSC pass-through is supported
*/
if (is_dsc_common_config_possible(stream, &bw_range) &&
aconnector->port->passthrough_aux) {
- mutex_lock(&aconnector->mst_mgr.lock);
+ mst_mgr = aconnector->port->mgr;
+ mutex_lock(&mst_mgr->lock);
cur_link_settings = stream->link->verified_link_cap;
end_to_end_bw_in_kbps = min(upper_link_bw_in_kbps,
down_link_bw_in_kbps);
- mutex_unlock(&aconnector->mst_mgr.lock);
+ mutex_unlock(&mst_mgr->lock);
/*
* use the maximum dsc compression bandwidth as the required
git.samba.org / sfrench / cifs-2.6.git / blobdiff