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drm/i915: Eliminate the intel_dp dependency from DRRS

Browse Source 
The DRRS code has no use for the intel_dp, replace it with
just a crtc pointer. This is just an intermediate step towards
making DRRS truly per-crtc.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311172428.14685-12-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-03-11 19:24:23 +02:00
parent a1b952d4d0
commit ba770ce36b
6 changed files with 50 additions and 93 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/i915/display/intel_ddi.c
View File

@ -2820,7 +2820,7 @@ static void intel_enable_ddi_dp(struct intel_atomic_state *state,
if (!dig_port->lspcon.active || dig_port->dp.has_hdmi_sink)
intel_dp_set_infoframes(encoder, true, crtc_state, conn_state);
intel_drrs_enable(intel_dp, crtc_state);
intel_drrs_enable(crtc_state);
if (crtc_state->has_audio)
intel_audio_codec_enable(encoder, crtc_state, conn_state);
@ -2963,7 +2963,7 @@ static void intel_disable_ddi_dp(struct intel_atomic_state *state,
intel_audio_codec_disable(encoder,
old_crtc_state, old_conn_state);
intel_drrs_disable(intel_dp, old_crtc_state);
intel_drrs_disable(old_crtc_state);
intel_psr_disable(intel_dp, old_crtc_state);
intel_edp_backlight_off(old_conn_state);
/* Disable the decompression in DP Sink */
@ -3013,12 +3013,10 @@ static void intel_ddi_update_pipe_dp(struct intel_atomic_state *state,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
intel_ddi_set_dp_msa(crtc_state, conn_state);
intel_dp_set_infoframes(encoder, true, crtc_state, conn_state);
intel_drrs_update(intel_dp, crtc_state);
intel_drrs_update(crtc_state);
intel_backlight_update(state, encoder, crtc_state, conn_state);
drm_connector_update_privacy_screen(conn_state);

37
drivers/gpu/drm/i915/display/intel_display_debugfs.c
View File

@ -1161,20 +1161,17 @@ static void drrs_status_per_crtc(struct seq_file *m,
seq_puts(m, "\n");
if (to_intel_crtc_state(crtc->base.state)->has_drrs) {
struct intel_panel *panel;
mutex_lock(&drrs->mutex);
/* DRRS Supported */
seq_puts(m, "\tDRRS Enabled: Yes\n");
/* disable_drrs() will make drrs->dp NULL */
if (!drrs->dp) {
if (!drrs->crtc) {
seq_puts(m, "Idleness DRRS: Disabled\n");
mutex_unlock(&drrs->mutex);
return;
}
panel = &drrs->dp->attached_connector->panel;
seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X",
drrs->busy_frontbuffer_bits);
@ -1881,9 +1878,7 @@ static int i915_drrs_ctl_set(void *data, u64 val)
return -ENODEV;
for_each_intel_crtc(dev, crtc) {
struct drm_connector_list_iter conn_iter;
struct intel_crtc_state *crtc_state;
struct drm_connector *connector;
struct drm_crtc_commit *commit;
int ret;
@ -1904,30 +1899,14 @@ static int i915_drrs_ctl_set(void *data, u64 val)
goto out;
}
drm_connector_list_iter_begin(dev, &conn_iter);
drm_for_each_connector_iter(connector, &conn_iter) {
struct intel_encoder *encoder;
struct intel_dp *intel_dp;
drm_dbg(&dev_priv->drm,
"Manually %sabling DRRS. %llu\n",
val ? "en" : "dis", val);
if (!(crtc_state->uapi.connector_mask &
drm_connector_mask(connector)))
continue;
encoder = intel_attached_encoder(to_intel_connector(connector));
if (encoder->type != INTEL_OUTPUT_EDP)
continue;
drm_dbg(&dev_priv->drm,
"Manually %sabling DRRS. %llu\n",
val ? "en" : "dis", val);
intel_dp = enc_to_intel_dp(encoder);
if (val)
intel_drrs_enable(intel_dp, crtc_state);
else
intel_drrs_disable(intel_dp, crtc_state);
}
drm_connector_list_iter_end(&conn_iter);
if (val)
intel_drrs_enable(crtc_state);
else
intel_drrs_disable(crtc_state);
out:
drm_modeset_unlock(&crtc->base.mutex);

4
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -1899,8 +1899,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
intel_vrr_compute_config(pipe_config, conn_state);
intel_psr_compute_config(intel_dp, pipe_config, conn_state);
intel_drrs_compute_config(intel_dp, pipe_config, output_bpp,
constant_n);
intel_drrs_compute_config(intel_connector, pipe_config,
output_bpp, constant_n);
intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state);
intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state);

80
drivers/gpu/drm/i915/display/intel_drrs.c
View File

@ -80,11 +80,10 @@ static bool can_enable_drrs(struct intel_connector *connector,
}
void
intel_drrs_compute_config(struct intel_dp *intel_dp,
intel_drrs_compute_config(struct intel_connector *connector,
struct intel_crtc_state *pipe_config,
int output_bpp, bool constant_n)
{
struct intel_connector *connector = intel_dp->attached_connector;
struct drm_i915_private *i915 = to_i915(connector->base.dev);
const struct drm_display_mode *downclock_mode =
intel_panel_downclock_mode(connector, &pipe_config->hw.adjusted_mode);
@ -153,10 +152,9 @@ static void intel_drrs_set_state(struct drm_i915_private *dev_priv,
const struct intel_crtc_state *crtc_state,
enum drrs_refresh_rate refresh_rate)
{
struct intel_dp *intel_dp = dev_priv->drrs.dp;
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
if (!intel_dp) {
if (!dev_priv->drrs.crtc) {
drm_dbg_kms(&dev_priv->drm, "DRRS not supported.\n");
return;
}
@ -193,25 +191,24 @@ static void intel_drrs_set_state(struct drm_i915_private *dev_priv,
}
static void
intel_drrs_enable_locked(struct intel_dp *intel_dp)
intel_drrs_enable_locked(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
dev_priv->drrs.busy_frontbuffer_bits = 0;
dev_priv->drrs.dp = intel_dp;
dev_priv->drrs.crtc = crtc;
}
/**
* intel_drrs_enable - init drrs struct if supported
* @intel_dp: DP struct
* @crtc_state: A pointer to the active crtc state.
*
* Initializes frontbuffer_bits and drrs.dp
*/
void intel_drrs_enable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state)
void intel_drrs_enable(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
if (!crtc_state->has_drrs)
return;
@ -220,48 +217,45 @@ void intel_drrs_enable(struct intel_dp *intel_dp,
mutex_lock(&dev_priv->drrs.mutex);
if (dev_priv->drrs.dp) {
if (dev_priv->drrs.crtc) {
drm_warn(&dev_priv->drm, "DRRS already enabled\n");
goto unlock;
}
intel_drrs_enable_locked(intel_dp);
intel_drrs_enable_locked(crtc);
unlock:
mutex_unlock(&dev_priv->drrs.mutex);
}
static void
intel_drrs_disable_locked(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state)
intel_drrs_disable_locked(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
intel_drrs_set_state(dev_priv, crtc_state, DRRS_REFRESH_RATE_HIGH);
dev_priv->drrs.dp = NULL;
dev_priv->drrs.crtc = NULL;
}
/**
* intel_drrs_disable - Disable DRRS
* @intel_dp: DP struct
* @old_crtc_state: Pointer to old crtc_state.
*
*/
void intel_drrs_disable(struct intel_dp *intel_dp,
const struct intel_crtc_state *old_crtc_state)
void intel_drrs_disable(const struct intel_crtc_state *old_crtc_state)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
if (!old_crtc_state->has_drrs)
return;
mutex_lock(&dev_priv->drrs.mutex);
if (!dev_priv->drrs.dp) {
if (dev_priv->drrs.crtc != crtc) {
mutex_unlock(&dev_priv->drrs.mutex);
return;
}
intel_drrs_disable_locked(intel_dp, old_crtc_state);
intel_drrs_disable_locked(old_crtc_state);
mutex_unlock(&dev_priv->drrs.mutex);
cancel_delayed_work_sync(&dev_priv->drrs.work);
@ -269,7 +263,6 @@ void intel_drrs_disable(struct intel_dp *intel_dp,
/**
* intel_drrs_update - Update DRRS state
* @intel_dp: Intel DP
* @crtc_state: new CRTC state
*
* This function will update DRRS states, disabling or enabling DRRS when
@ -277,10 +270,10 @@ void intel_drrs_disable(struct intel_dp *intel_dp,
* intel_drrs_enable() should be called instead.
*/
void
intel_drrs_update(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state)
intel_drrs_update(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
if (dev_priv->vbt.drrs_type != DRRS_TYPE_SEAMLESS)
return;
@ -288,13 +281,13 @@ intel_drrs_update(struct intel_dp *intel_dp,
mutex_lock(&dev_priv->drrs.mutex);
/* New state matches current one? */
if (crtc_state->has_drrs == !!dev_priv->drrs.dp)
if (crtc_state->has_drrs == !!dev_priv->drrs.crtc)
goto unlock;
if (crtc_state->has_drrs)
intel_drrs_enable_locked(intel_dp);
intel_drrs_enable_locked(crtc);
else
intel_drrs_disable_locked(intel_dp, crtc_state);
intel_drrs_disable_locked(crtc_state);
unlock:
mutex_unlock(&dev_priv->drrs.mutex);
@ -304,13 +297,12 @@ static void intel_drrs_downclock_work(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
container_of(work, typeof(*dev_priv), drrs.work.work);
struct intel_dp *intel_dp;
struct intel_crtc *crtc;
mutex_lock(&dev_priv->drrs.mutex);
intel_dp = dev_priv->drrs.dp;
if (!intel_dp)
crtc = dev_priv->drrs.crtc;
if (!crtc)
goto unlock;
/*
@ -319,9 +311,6 @@ static void intel_drrs_downclock_work(struct work_struct *work)
*/
if (!dev_priv->drrs.busy_frontbuffer_bits) {
struct intel_crtc *crtc =
to_intel_crtc(dp_to_dig_port(intel_dp)->base.base.crtc);
intel_drrs_set_state(dev_priv, crtc->config,
DRRS_REFRESH_RATE_LOW);
}
@ -334,9 +323,7 @@ static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits,
bool invalidate)
{
struct intel_dp *intel_dp;
struct drm_crtc *crtc;
enum pipe pipe;
struct intel_crtc *crtc;
if (dev_priv->vbt.drrs_type != DRRS_TYPE_SEAMLESS)
return;
@ -345,16 +332,13 @@ static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv,
mutex_lock(&dev_priv->drrs.mutex);
intel_dp = dev_priv->drrs.dp;
if (!intel_dp) {
crtc = dev_priv->drrs.crtc;
if (!crtc) {
mutex_unlock(&dev_priv->drrs.mutex);
return;
}
crtc = dp_to_dig_port(intel_dp)->base.base.crtc;
pipe = to_intel_crtc(crtc)->pipe;
frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe);
frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe);
if (invalidate)
dev_priv->drrs.busy_frontbuffer_bits |= frontbuffer_bits;
else
@ -362,7 +346,7 @@ static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv,
/* flush/invalidate means busy screen hence upclock */
if (frontbuffer_bits)
intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config,
intel_drrs_set_state(dev_priv, crtc->config,
DRRS_REFRESH_RATE_HIGH);
/*

12
drivers/gpu/drm/i915/display/intel_drrs.h
View File

@ -14,22 +14,18 @@ struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
struct intel_connector;
struct intel_dp;
const char *intel_drrs_type_str(enum drrs_type drrs_type);
void intel_drrs_enable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
void intel_drrs_disable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
void intel_drrs_update(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
void intel_drrs_enable(const struct intel_crtc_state *crtc_state);
void intel_drrs_disable(const struct intel_crtc_state *crtc_state);
void intel_drrs_update(const struct intel_crtc_state *crtc_state);
void intel_drrs_invalidate(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits);
void intel_drrs_flush(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits);
void intel_drrs_page_flip(struct intel_atomic_state *state,
struct intel_crtc *crtc);
void intel_drrs_compute_config(struct intel_dp *intel_dp,
void intel_drrs_compute_config(struct intel_connector *connector,
struct intel_crtc_state *pipe_config,
int output_bpp, bool constant_n);
struct drm_display_mode *intel_drrs_init(struct intel_connector *connector,

2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -210,7 +210,7 @@ enum drrs_type {
struct i915_drrs {
struct mutex mutex;
struct delayed_work work;
struct intel_dp *dp;
struct intel_crtc *crtc;
unsigned busy_frontbuffer_bits;
enum drrs_refresh_rate refresh_rate;
};