[Intel-gfx] [PATCH v5 1/2] drm/i915/display: Support PSR Multiple Transcoders
Mun, Gwan-gyeong
gwan-gyeong.mun at intel.com
Mon Dec 14 11:42:24 UTC 2020
On Mon, 2020-12-14 at 16:32 +0530, Anshuman Gupta wrote:
> On 2020-12-11 at 19:14:20 +0200, Gwan-gyeong Mun wrote:
> > It is a preliminary work for supporting multiple EDP PSR and
> > DP PanelReplay. And it refactors singleton PSR to Multi Transcoder
> > supportable PSR.
> > And this moves and renames the i915_psr structure of
> > drm_i915_private's to
> > intel_dp's intel_psr structure.
> > It also causes changes in PSR interrupt handling routine for
> > supporting
> > multiple transcoders. But it does not change the scenario and
> > timing of
> > enabling and disabling PSR.
> >
> > v2: Fix indentation and add comments
> > v3: Remove Blank line
> > v4: Rebased
> > v5: Rebased and Addressed Anshuman's review comment.
> > - Move calling of intel_psr_init() to intel_dp_init_connector()
> >
> > Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
> > Cc: José Roberto de Souza <jose.souza at intel.com>
> > Cc: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> > Cc: Anshuman Gupta <anshuman.gupta at intel.com>
> > ---
> > drivers/gpu/drm/i915/display/intel_ddi.c | 3 +
> > drivers/gpu/drm/i915/display/intel_display.c | 4 -
> > .../drm/i915/display/intel_display_debugfs.c | 111 ++--
> > .../drm/i915/display/intel_display_types.h | 38 ++
> > drivers/gpu/drm/i915/display/intel_dp.c | 23 +-
> > drivers/gpu/drm/i915/display/intel_psr.c | 585 ++++++++++--
> > ------
> > drivers/gpu/drm/i915/display/intel_psr.h | 14 +-
> > drivers/gpu/drm/i915/display/intel_sprite.c | 6 +-
> > drivers/gpu/drm/i915/i915_drv.h | 38 --
> > drivers/gpu/drm/i915/i915_irq.c | 49 +-
> > 10 files changed, 491 insertions(+), 380 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
> > b/drivers/gpu/drm/i915/display/intel_ddi.c
> > index 6863236df1d0..4b87f72cb9c0 100644
> > --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> > @@ -4320,7 +4320,10 @@ static void intel_ddi_update_pipe_dp(struct
> > intel_atomic_state *state,
> >
> > intel_ddi_set_dp_msa(crtc_state, conn_state);
> >
> > + //TODO: move PSR related functions into intel_psr_update()
> > + intel_psr2_program_trans_man_trk_ctl(intel_dp, crtc_state);
> > intel_psr_update(intel_dp, crtc_state, conn_state);
> > +
> > intel_dp_set_infoframes(encoder, true, crtc_state, conn_state);
> > intel_edp_drrs_update(intel_dp, crtc_state);
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> > b/drivers/gpu/drm/i915/display/intel_display.c
> > index 761be8deaa9b..f26d9bcd722c 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > @@ -15869,8 +15869,6 @@ static void commit_pipe_config(struct
> > intel_atomic_state *state,
> >
> > if (new_crtc_state->update_pipe)
> > intel_pipe_fastset(old_crtc_state,
> > new_crtc_state);
> > -
> > - intel_psr2_program_trans_man_trk_ctl(new_crtc_state);
> > }
> >
> > if (dev_priv->display.atomic_update_watermarks)
> > @@ -17830,8 +17828,6 @@ static void intel_setup_outputs(struct
> > drm_i915_private *dev_priv)
> > intel_dvo_init(dev_priv);
> > }
> >
> > - intel_psr_init(dev_priv);
> > -
> > for_each_intel_encoder(&dev_priv->drm, encoder) {
> > encoder->base.possible_crtcs =
> > intel_encoder_possible_crtcs(encoder);
> > diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > index cd7e5519ee7d..041053167d7f 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > @@ -249,18 +249,17 @@ static int i915_psr_sink_status_show(struct
> > seq_file *m, void *data)
> > "sink internal error",
> > };
> > struct drm_connector *connector = m->private;
> > - struct drm_i915_private *dev_priv = to_i915(connector->dev);
> > struct intel_dp *intel_dp =
> > intel_attached_dp(to_intel_connector(connector));
> > int ret;
> >
> > - if (!CAN_PSR(dev_priv)) {
> > - seq_puts(m, "PSR Unsupported\n");
> > + if (connector->status != connector_status_connected)
> > return -ENODEV;
> > - }
> >
> > - if (connector->status != connector_status_connected)
> > + if (!CAN_PSR(intel_dp)) {
> > + seq_puts(m, "PSR Unsupported\n");
> > return -ENODEV;
> > + }
> >
> > ret = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_STATUS, &val);
> >
> > @@ -280,12 +279,13 @@ static int i915_psr_sink_status_show(struct
> > seq_file *m, void *data)
> > DEFINE_SHOW_ATTRIBUTE(i915_psr_sink_status);
> >
> > static void
> > -psr_source_status(struct drm_i915_private *dev_priv, struct
> > seq_file *m)
> > +psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
> > {
> > u32 val, status_val;
> > const char *status = "unknown";
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > - if (dev_priv->psr.psr2_enabled) {
> > + if (intel_dp->psr.psr2_enabled) {
> > static const char * const live_status[] = {
> > "IDLE",
> > "CAPTURE",
> > @@ -300,7 +300,7 @@ psr_source_status(struct drm_i915_private
> > *dev_priv, struct seq_file *m)
> > "TG_ON"
> > };
> > val = intel_de_read(dev_priv,
> > - EDP_PSR2_STATUS(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR2_STATUS(intel_dp-
> > >psr.transcoder));
> > status_val = (val & EDP_PSR2_STATUS_STATE_MASK) >>
> > EDP_PSR2_STATUS_STATE_SHIFT;
> > if (status_val < ARRAY_SIZE(live_status))
> > @@ -317,7 +317,7 @@ psr_source_status(struct drm_i915_private
> > *dev_priv, struct seq_file *m)
> > "SRDENT_ON",
> > };
> > val = intel_de_read(dev_priv,
> > - EDP_PSR_STATUS(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR_STATUS(intel_dp-
> > >psr.transcoder));
> > status_val = (val & EDP_PSR_STATUS_STATE_MASK) >>
> > EDP_PSR_STATUS_STATE_SHIFT;
> > if (status_val < ARRAY_SIZE(live_status))
> > @@ -327,21 +327,18 @@ psr_source_status(struct drm_i915_private
> > *dev_priv, struct seq_file *m)
> > seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
> > }
> >
> > -static int i915_edp_psr_status(struct seq_file *m, void *data)
> > +static int intel_psr_status(struct seq_file *m, struct intel_dp
> > *intel_dp)
> > {
> > - struct drm_i915_private *dev_priv = node_to_i915(m->private);
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > + struct intel_psr *psr = &intel_dp->psr;
> > intel_wakeref_t wakeref;
> > const char *status;
> > bool enabled;
> > u32 val;
> >
> > - if (!HAS_PSR(dev_priv))
> > - return -ENODEV;
> > -
> > seq_printf(m, "Sink support: %s", yesno(psr->sink_support));
> > - if (psr->dp)
> > - seq_printf(m, " [0x%02x]", psr->dp->psr_dpcd[0]);
> > + if (psr->sink_support)
> > + seq_printf(m, " [0x%02x]", intel_dp->psr_dpcd[0]);
> > seq_puts(m, "\n");
> >
> > if (!psr->sink_support)
> > @@ -365,16 +362,16 @@ static int i915_edp_psr_status(struct
> > seq_file *m, void *data)
> >
> > if (psr->psr2_enabled) {
> > val = intel_de_read(dev_priv,
> > - EDP_PSR2_CTL(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR2_CTL(intel_dp-
> > >psr.transcoder));
> > enabled = val & EDP_PSR2_ENABLE;
> > } else {
> > val = intel_de_read(dev_priv,
> > - EDP_PSR_CTL(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR_CTL(intel_dp-
> > >psr.transcoder));
> > enabled = val & EDP_PSR_ENABLE;
> > }
> > seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
> > enableddisabled(enabled), val);
> > - psr_source_status(dev_priv, m);
> > + psr_source_status(intel_dp, m);
> > seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
> > psr->busy_frontbuffer_bits);
> >
> > @@ -383,7 +380,7 @@ static int i915_edp_psr_status(struct seq_file
> > *m, void *data)
> > */
> > if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
> > val = intel_de_read(dev_priv,
> > - EDP_PSR_PERF_CNT(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR_PERF_CNT(intel_dp-
> > >psr.transcoder));
> > val &= EDP_PSR_PERF_CNT_MASK;
> > seq_printf(m, "Performance counter: %u\n", val);
> > }
> > @@ -404,7 +401,7 @@ static int i915_edp_psr_status(struct seq_file
> > *m, void *data)
> > */
> > for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame +=
> > 3) {
> > val = intel_de_read(dev_priv,
> > - PSR2_SU_STATUS(dev_priv-
> > >psr.transcoder, frame));
> > + PSR2_SU_STATUS(intel_dp-
> > >psr.transcoder, frame));
> > su_frames_val[frame / 3] = val;
> > }
> >
> > @@ -430,23 +427,57 @@ static int i915_edp_psr_status(struct
> > seq_file *m, void *data)
> > return 0;
> > }
> >
> > +static int i915_edp_psr_status(struct seq_file *m, void *data)
> > +{
> > + struct drm_i915_private *dev_priv = node_to_i915(m->private);
> > + struct intel_encoder *encoder;
> > + struct intel_dp *intel_dp = NULL;
> > +
> > + if (!HAS_PSR(dev_priv))
> > + return -ENODEV;
> > +
> > + /* Find the first EDP */
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + if (encoder->type == INTEL_OUTPUT_EDP) {
> How about having a new macro for_each_intel_psr_edp {} to reduce the
> code?
> Multiple times this has been used in this patch to loop for intel_dp.
> > + intel_dp = enc_to_intel_dp(encoder);
> > + break;
> > + }
> > + }
> > +
> > + if (!intel_dp)
> > + return -ENODEV;
> > +
> > + return intel_psr_status(m, intel_dp);
> > +}
> > +
> > static int
> > i915_edp_psr_debug_set(void *data, u64 val)
> > {
> > struct drm_i915_private *dev_priv = data;
> > intel_wakeref_t wakeref;
> > - int ret;
> > + int ret = -ENODEV;
> > + struct intel_encoder *encoder;
> >
> > - if (!CAN_PSR(dev_priv))
> > - return -ENODEV;
> > + if (!HAS_PSR(dev_priv))
> > + return ret;
> >
> > - drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n",
> > val);
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> >
> > - wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
> > + if (!CAN_PSR(intel_dp))
> > + continue;
> >
> > - ret = intel_psr_debug_set(dev_priv, val);
> > + if (encoder->type == INTEL_OUTPUT_EDP) {
> > + drm_dbg_kms(&dev_priv->drm, "Setting PSR debug
> > to %llx\n", val);
> >
> > - intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
> > + wakeref = intel_runtime_pm_get(&dev_priv-
> > >runtime_pm);
> > +
> > + // TODO: split to each transcoder's PSR debug
> > state
> > + ret = intel_psr_debug_set(intel_dp, val);
> > +
> > + intel_runtime_pm_put(&dev_priv->runtime_pm,
> > wakeref);
> > + }
> > + }
> >
> > return ret;
> > }
> > @@ -455,12 +486,25 @@ static int
> > i915_edp_psr_debug_get(void *data, u64 *val)
> > {
> > struct drm_i915_private *dev_priv = data;
> > + struct intel_encoder *encoder;
> >
> > - if (!CAN_PSR(dev_priv))
> > + if (!HAS_PSR(dev_priv))
> > return -ENODEV;
> >
> > - *val = READ_ONCE(dev_priv->psr.debug);
> > - return 0;
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> > +
> > + if (!CAN_PSR(intel_dp))
> > + continue;
> > +
> > + // TODO: split to each transcoder's PSR debug state
> > + if (encoder->type == INTEL_OUTPUT_EDP) {
> > + *val = READ_ONCE(intel_dp->psr.debug);
> > + return 0;
> > + }
> > + }
> > +
> > + return -ENODEV;
> > }
> >
> > DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops,
> > @@ -1234,9 +1278,6 @@ static void drrs_status_per_crtc(struct
> > seq_file *m,
> > /* disable_drrs() will make drrs->dp NULL */
> > if (!drrs->dp) {
> > seq_puts(m, "Idleness DRRS: Disabled\n");
> > - if (dev_priv->psr.enabled)
> > - seq_puts(m,
> > - "\tAs PSR is enabled, DRRS is not
> > enabled\n");
> Don't we need this debugfs print anymore ?
> > mutex_unlock(&drrs->mutex);
> > return;
> > }
> > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
> > b/drivers/gpu/drm/i915/display/intel_display_types.h
> > index 5bc5bfbc4551..9899fddf4c99 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> > @@ -1339,6 +1339,42 @@ struct intel_dp_compliance {
> > u8 test_lane_count;
> > };
> >
> > +struct intel_psr {
> > + /* Mutex for PSR state of the transcoder */
> > + struct mutex lock;
> > +
> > +#define I915_PSR_DEBUG_MODE_MASK 0x0f
> > +#define I915_PSR_DEBUG_DEFAULT 0x00
> > +#define I915_PSR_DEBUG_DISABLE 0x01
> > +#define I915_PSR_DEBUG_ENABLE 0x02
> > +#define I915_PSR_DEBUG_FORCE_PSR1 0x03
> > +#define I915_PSR_DEBUG_IRQ 0x10
> > +
> > + u32 debug;
> > + bool sink_support;
> > + bool enabled;
> > + enum pipe pipe;
> > + enum transcoder transcoder;
> > + bool active;
> > + struct work_struct work;
> > + unsigned int busy_frontbuffer_bits;
> > + bool sink_psr2_support;
> > + bool link_standby;
> > + bool colorimetry_support;
> > + bool psr2_enabled;
> > + bool psr2_sel_fetch_enabled;
> > + u8 sink_sync_latency;
> > + ktime_t last_entry_attempt;
> > + ktime_t last_exit;
> > + bool sink_not_reliable;
> > + bool irq_aux_error;
> > + u16 su_x_granularity;
> > + bool dc3co_enabled;
> > + u32 dc3co_exit_delay;
> > + struct delayed_work dc3co_work;
> > + struct drm_dp_vsc_sdp vsc;
> > +};
> > +
> > struct intel_dp {
> > i915_reg_t output_reg;
> > u32 DP;
> > @@ -1460,6 +1496,8 @@ struct intel_dp {
> >
> > bool hobl_failed;
> > bool hobl_active;
> > +
> > + struct intel_psr psr;
> > };
> >
> > enum lspcon_vendor {
> > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> > b/drivers/gpu/drm/i915/display/intel_dp.c
> > index b2bc0c8c39c7..5730cad7b6ac 100644
> > --- a/drivers/gpu/drm/i915/display/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> > @@ -2702,12 +2702,10 @@ void intel_dp_compute_psr_vsc_sdp(struct
> > intel_dp *intel_dp,
> > const struct drm_connector_state
> > *conn_state,
> > struct drm_dp_vsc_sdp *vsc)
> > {
> > - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > -
> > vsc->sdp_type = DP_SDP_VSC;
> >
> > - if (dev_priv->psr.psr2_enabled) {
> > - if (dev_priv->psr.colorimetry_support &&
> > + if (intel_dp->psr.psr2_enabled) {
> > + if (intel_dp->psr.colorimetry_support &&
> > intel_dp_needs_vsc_sdp(crtc_state, conn_state)) {
> > /* [PSR2, +Colorimetry] */
> > intel_dp_compute_vsc_colorimetry(crtc_state,
> > conn_state,
> > @@ -3844,7 +3842,7 @@ bool intel_dp_initial_fastset_check(struct
> > intel_encoder *encoder,
> > return false;
> > }
> >
> > - if (CAN_PSR(i915) && intel_dp_is_edp(intel_dp)) {
> > + if (CAN_PSR(intel_dp) && intel_dp_is_edp(intel_dp)) {
> > drm_dbg_kms(&i915->drm, "Forcing full modeset to
> > compute PSR state\n");
> > crtc_state->uapi.mode_changed = true;
> > return false;
> > @@ -8070,6 +8068,17 @@ static void
> > intel_dp_modeset_retry_work_fn(struct work_struct *work)
> > drm_kms_helper_hotplug_event(connector->dev);
> > }
> >
> > +static void intel_dp_update_pipe(struct intel_atomic_state *state,
> > + struct intel_encoder *encoder,
> > + 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_panel_update_backlight(state, encoder, crtc_state,
> > conn_state);
> > + intel_psr2_program_trans_man_trk_ctl(intel_dp, crtc_state);
> > +}
> > +
> > bool
> > intel_dp_init_connector(struct intel_digital_port *dig_port,
> > struct intel_connector *intel_connector)
> > @@ -8184,6 +8193,8 @@ intel_dp_init_connector(struct
> > intel_digital_port *dig_port,
> > (temp & ~0xf) | 0xd);
> > }
> >
> > + intel_psr_init(intel_dp);
> > +
> > return true;
> >
> > fail:
> > @@ -8225,7 +8236,7 @@ bool intel_dp_init(struct drm_i915_private
> > *dev_priv,
> > intel_encoder->get_config = intel_dp_get_config;
> > intel_encoder->sync_state = intel_dp_sync_state;
> > intel_encoder->initial_fastset_check =
> > intel_dp_initial_fastset_check;
> > - intel_encoder->update_pipe = intel_panel_update_backlight;
> > + intel_encoder->update_pipe = intel_dp_update_pipe;
> > intel_encoder->suspend = intel_dp_encoder_suspend;
> > intel_encoder->shutdown = intel_dp_encoder_shutdown;
> > if (IS_CHERRYVIEW(dev_priv)) {
> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> > b/drivers/gpu/drm/i915/display/intel_psr.c
> > index d9a395c486d3..be2b123050c9 100644
> > --- a/drivers/gpu/drm/i915/display/intel_psr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> > @@ -79,11 +79,13 @@
> > * use page flips.
> > */
> >
> > -static bool psr_global_enabled(struct drm_i915_private *i915)
> > +static bool psr_global_enabled(struct intel_dp *intel_dp)
> > {
> > - switch (i915->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > +
> > + switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
> > case I915_PSR_DEBUG_DEFAULT:
> > - return i915->params.enable_psr;
> > + return dev_priv->params.enable_psr;
> > case I915_PSR_DEBUG_DISABLE:
> > return false;
> > default:
> > @@ -91,9 +93,9 @@ static bool psr_global_enabled(struct
> > drm_i915_private *i915)
> > }
> > }
> >
> > -static bool psr2_global_enabled(struct drm_i915_private *dev_priv)
> > +static bool psr2_global_enabled(struct intel_dp *intel_dp)
> > {
> > - switch (dev_priv->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
> > + switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
> > case I915_PSR_DEBUG_DISABLE:
> > case I915_PSR_DEBUG_FORCE_PSR1:
> > return false;
> > @@ -102,11 +104,12 @@ static bool psr2_global_enabled(struct
> > drm_i915_private *dev_priv)
> > }
> > }
> >
> > -static void psr_irq_control(struct drm_i915_private *dev_priv)
> > +static void psr_irq_control(struct intel_dp *intel_dp)
> > {
> > enum transcoder trans_shift;
> > u32 mask, val;
> > i915_reg_t imr_reg;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > /*
> > * gen12+ has registers relative to transcoder and one per
> > transcoder
> > @@ -115,14 +118,14 @@ static void psr_irq_control(struct
> > drm_i915_private *dev_priv)
> > */
> > if (INTEL_GEN(dev_priv) >= 12) {
> > trans_shift = 0;
> > - imr_reg = TRANS_PSR_IMR(dev_priv->psr.transcoder);
> > + imr_reg = TRANS_PSR_IMR(intel_dp->psr.transcoder);
> > } else {
> > - trans_shift = dev_priv->psr.transcoder;
> > + trans_shift = intel_dp->psr.transcoder;
> > imr_reg = EDP_PSR_IMR;
> > }
> >
> > mask = EDP_PSR_ERROR(trans_shift);
> > - if (dev_priv->psr.debug & I915_PSR_DEBUG_IRQ)
> > + if (intel_dp->psr.debug & I915_PSR_DEBUG_IRQ)
> > mask |= EDP_PSR_POST_EXIT(trans_shift) |
> > EDP_PSR_PRE_ENTRY(trans_shift);
> >
> > @@ -171,38 +174,37 @@ static void psr_event_print(struct
> > drm_i915_private *i915,
> > drm_dbg_kms(&i915->drm, "\tPSR disabled\n");
> > }
> >
> > -void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32
> > psr_iir)
> > +void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir)
> > {
> > - enum transcoder cpu_transcoder = dev_priv->psr.transcoder;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > + enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
> > enum transcoder trans_shift;
> > i915_reg_t imr_reg;
> > ktime_t time_ns = ktime_get();
> >
> > if (INTEL_GEN(dev_priv) >= 12) {
> > trans_shift = 0;
> > - imr_reg = TRANS_PSR_IMR(dev_priv->psr.transcoder);
> > + imr_reg = TRANS_PSR_IMR(intel_dp->psr.transcoder);
> > } else {
> > - trans_shift = dev_priv->psr.transcoder;
> > + trans_shift = intel_dp->psr.transcoder;
> > imr_reg = EDP_PSR_IMR;
> > }
> >
> > if (psr_iir & EDP_PSR_PRE_ENTRY(trans_shift)) {
> > - dev_priv->psr.last_entry_attempt = time_ns;
> > - drm_dbg_kms(&dev_priv->drm,
> > - "[transcoder %s] PSR entry attempt in 2
> > vblanks\n",
> > - transcoder_name(cpu_transcoder));
> > + intel_dp->psr.last_entry_attempt = time_ns;
> > + DRM_DEBUG_KMS("[transcoder %s] PSR entry attempt in 2
> > vblanks\n",
> Please use drm_{dbg,warn} at every place un this patch.
> > + transcoder_name(cpu_transcoder));
> > }
> >
> > if (psr_iir & EDP_PSR_POST_EXIT(trans_shift)) {
> > - dev_priv->psr.last_exit = time_ns;
> > - drm_dbg_kms(&dev_priv->drm,
> > - "[transcoder %s] PSR exit completed\n",
> > - transcoder_name(cpu_transcoder));
> > + intel_dp->psr.last_exit = time_ns;
> > + DRM_DEBUG_KMS("[transcoder %s] PSR exit completed\n",
> > + transcoder_name(cpu_transcoder));
> >
> > if (INTEL_GEN(dev_priv) >= 9) {
> > u32 val = intel_de_read(dev_priv,
> > PSR_EVENT(cpu_transcode
> > r));
> > - bool psr2_enabled = dev_priv->psr.psr2_enabled;
> > + bool psr2_enabled = intel_dp->psr.psr2_enabled;
> >
> > intel_de_write(dev_priv,
> > PSR_EVENT(cpu_transcoder),
> > val);
> > @@ -213,10 +215,10 @@ void intel_psr_irq_handler(struct
> > drm_i915_private *dev_priv, u32 psr_iir)
> > if (psr_iir & EDP_PSR_ERROR(trans_shift)) {
> > u32 val;
> >
> > - drm_warn(&dev_priv->drm, "[transcoder %s] PSR aux
> > error\n",
> > + DRM_WARN("[transcoder %s] PSR aux error\n",
> > transcoder_name(cpu_transcoder));
> >
> > - dev_priv->psr.irq_aux_error = true;
> > + intel_dp->psr.irq_aux_error = true;
> >
> > /*
> > * If this interruption is not masked it will keep
> > @@ -230,7 +232,7 @@ void intel_psr_irq_handler(struct
> > drm_i915_private *dev_priv, u32 psr_iir)
> > val |= EDP_PSR_ERROR(trans_shift);
> > intel_de_write(dev_priv, imr_reg, val);
> >
> > - schedule_work(&dev_priv->psr.work);
> > + schedule_work(&intel_dp->psr.work);
> > }
> > }
> >
> > @@ -291,12 +293,6 @@ void intel_psr_init_dpcd(struct intel_dp
> > *intel_dp)
> > struct drm_i915_private *dev_priv =
> > to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
> >
> > - if (dev_priv->psr.dp) {
> > - drm_warn(&dev_priv->drm,
> > - "More than one eDP panel found, PSR support
> > should be extended\n");
> > - return;
> > - }
> > -
> > drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp-
> > >psr_dpcd,
> > sizeof(intel_dp->psr_dpcd));
> >
> > @@ -317,12 +313,10 @@ void intel_psr_init_dpcd(struct intel_dp
> > *intel_dp)
> > return;
> > }
> >
> > - dev_priv->psr.sink_support = true;
> > - dev_priv->psr.sink_sync_latency =
> > + intel_dp->psr.sink_support = true;
> > + intel_dp->psr.sink_sync_latency =
> > intel_dp_get_sink_sync_latency(intel_dp);
> >
> > - dev_priv->psr.dp = intel_dp;
> > -
> > if (INTEL_GEN(dev_priv) >= 9 &&
> > (intel_dp->psr_dpcd[0] ==
> > DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)) {
> > bool y_req = intel_dp->psr_dpcd[1] &
> > @@ -340,14 +334,14 @@ void intel_psr_init_dpcd(struct intel_dp
> > *intel_dp)
> > * Y-coordinate requirement panels we would need to
> > enable
> > * GTC first.
> > */
> > - dev_priv->psr.sink_psr2_support = y_req && alpm;
> > + intel_dp->psr.sink_psr2_support = y_req && alpm;
> > drm_dbg_kms(&dev_priv->drm, "PSR2 %ssupported\n",
> > - dev_priv->psr.sink_psr2_support ? "" : "not
> > ");
> > + intel_dp->psr.sink_psr2_support ? "" : "not
> > ");
> >
> > - if (dev_priv->psr.sink_psr2_support) {
> > - dev_priv->psr.colorimetry_support =
> > + if (intel_dp->psr.sink_psr2_support) {
> > + intel_dp->psr.colorimetry_support =
> > intel_dp_get_colorimetry_status(intel_d
> > p);
> > - dev_priv->psr.su_x_granularity =
> > + intel_dp->psr.su_x_granularity =
> > intel_dp_get_su_x_granulartiy(intel_dp)
> > ;
> > }
> > }
> > @@ -373,7 +367,7 @@ static void hsw_psr_setup_aux(struct intel_dp
> > *intel_dp)
> > BUILD_BUG_ON(sizeof(aux_msg) > 20);
> > for (i = 0; i < sizeof(aux_msg); i += 4)
> > intel_de_write(dev_priv,
> > - EDP_PSR_AUX_DATA(dev_priv-
> > >psr.transcoder, i >> 2),
> > + EDP_PSR_AUX_DATA(intel_dp-
> > >psr.transcoder, i >> 2),
> > intel_dp_pack_aux(&aux_msg[i],
> > sizeof(aux_msg) - i));
> >
> > aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp,
> > 0);
> > @@ -384,7 +378,7 @@ static void hsw_psr_setup_aux(struct intel_dp
> > *intel_dp)
> >
> > /* Select only valid bits for SRD_AUX_CTL */
> > aux_ctl &= psr_aux_mask;
> > - intel_de_write(dev_priv, EDP_PSR_AUX_CTL(dev_priv-
> > >psr.transcoder),
> > + intel_de_write(dev_priv, EDP_PSR_AUX_CTL(intel_dp-
> > >psr.transcoder),
> > aux_ctl);
> > }
> >
> > @@ -394,14 +388,14 @@ static void intel_psr_enable_sink(struct
> > intel_dp *intel_dp)
> > u8 dpcd_val = DP_PSR_ENABLE;
> >
> > /* Enable ALPM at sink for psr2 */
> > - if (dev_priv->psr.psr2_enabled) {
> > + if (intel_dp->psr.psr2_enabled) {
> > drm_dp_dpcd_writeb(&intel_dp->aux,
> > DP_RECEIVER_ALPM_CONFIG,
> > DP_ALPM_ENABLE |
> > DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE);
> >
> > dpcd_val |= DP_PSR_ENABLE_PSR2 |
> > DP_PSR_IRQ_HPD_WITH_CRC_ERRORS;
> > } else {
> > - if (dev_priv->psr.link_standby)
> > + if (intel_dp->psr.link_standby)
> > dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE;
> >
> > if (INTEL_GEN(dev_priv) >= 8)
> > @@ -464,7 +458,7 @@ static u8 psr_compute_idle_frames(struct
> > intel_dp *intel_dp)
> > * off-by-one issue that HW has in some cases.
> > */
> > idle_frames = max(6, dev_priv->vbt.psr.idle_frames);
> > - idle_frames = max(idle_frames, dev_priv->psr.sink_sync_latency
> > + 1);
> > + idle_frames = max(idle_frames, intel_dp->psr.sink_sync_latency
> > + 1);
> >
> > if (drm_WARN_ON(&dev_priv->drm, idle_frames > 0xf))
> > idle_frames = 0xf;
> > @@ -484,7 +478,7 @@ static void hsw_activate_psr1(struct intel_dp
> > *intel_dp)
> > if (IS_HASWELL(dev_priv))
> > val |= EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES;
> >
> > - if (dev_priv->psr.link_standby)
> > + if (intel_dp->psr.link_standby)
> > val |= EDP_PSR_LINK_STANDBY;
> >
> > val |= intel_psr1_get_tp_time(intel_dp);
> > @@ -492,9 +486,9 @@ static void hsw_activate_psr1(struct intel_dp
> > *intel_dp)
> > if (INTEL_GEN(dev_priv) >= 8)
> > val |= EDP_PSR_CRC_ENABLE;
> >
> > - val |= (intel_de_read(dev_priv, EDP_PSR_CTL(dev_priv-
> > >psr.transcoder)) &
> > + val |= (intel_de_read(dev_priv, EDP_PSR_CTL(intel_dp-
> > >psr.transcoder)) &
> > EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK);
> > - intel_de_write(dev_priv, EDP_PSR_CTL(dev_priv->psr.transcoder),
> > val);
> > + intel_de_write(dev_priv, EDP_PSR_CTL(intel_dp->psr.transcoder),
> > val);
> > }
> >
> > static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp)
> > @@ -529,7 +523,7 @@ static void hsw_activate_psr2(struct intel_dp
> > *intel_dp)
> > if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
> > val |= EDP_Y_COORDINATE_ENABLE;
> >
> > - val |= EDP_PSR2_FRAME_BEFORE_SU(dev_priv->psr.sink_sync_latency
> > + 1);
> > + val |= EDP_PSR2_FRAME_BEFORE_SU(intel_dp->psr.sink_sync_latency
> > + 1);
> > val |= intel_psr2_get_tp_time(intel_dp);
> >
> > if (INTEL_GEN(dev_priv) >= 12) {
> > @@ -548,7 +542,7 @@ static void hsw_activate_psr2(struct intel_dp
> > *intel_dp)
> > val |= EDP_PSR2_FAST_WAKE(7);
> > }
> >
> > - if (dev_priv->psr.psr2_sel_fetch_enabled) {
> > + if (intel_dp->psr.psr2_sel_fetch_enabled) {
> > /* WA 1408330847 */
> > if (IS_TGL_DISP_REVID(dev_priv, TGL_REVID_A0,
> > TGL_REVID_A0) ||
> > IS_RKL_REVID(dev_priv, RKL_REVID_A0, RKL_REVID_A0))
> > @@ -557,20 +551,20 @@ static void hsw_activate_psr2(struct intel_dp
> > *intel_dp)
> > DIS_RAM_BYPASS_PSR2_MAN_TRACK);
> >
> > intel_de_write(dev_priv,
> > - PSR2_MAN_TRK_CTL(dev_priv-
> > >psr.transcoder),
> > + PSR2_MAN_TRK_CTL(intel_dp-
> > >psr.transcoder),
> > PSR2_MAN_TRK_CTL_ENABLE);
> > } else if (HAS_PSR2_SEL_FETCH(dev_priv)) {
> > intel_de_write(dev_priv,
> > - PSR2_MAN_TRK_CTL(dev_priv-
> > >psr.transcoder), 0);
> > + PSR2_MAN_TRK_CTL(intel_dp-
> > >psr.transcoder), 0);
> > }
> >
> > /*
> > * PSR2 HW is incorrectly using EDP_PSR_TP1_TP3_SEL and BSpec
> > is
> > * recommending keep this bit unset while PSR2 is enabled.
> > */
> > - intel_de_write(dev_priv, EDP_PSR_CTL(dev_priv->psr.transcoder),
> > 0);
> > + intel_de_write(dev_priv, EDP_PSR_CTL(intel_dp->psr.transcoder),
> > 0);
> >
> > - intel_de_write(dev_priv, EDP_PSR2_CTL(dev_priv-
> > >psr.transcoder), val);
> > + intel_de_write(dev_priv, EDP_PSR2_CTL(intel_dp-
> > >psr.transcoder), val);
> > }
> >
> > static bool
> > @@ -593,55 +587,58 @@ static u32 intel_get_frame_time_us(const
> > struct intel_crtc_state *cstate)
> > drm_mode_vrefresh(&cstate-
> > >hw.adjusted_mode));
> > }
> >
> > -static void psr2_program_idle_frames(struct drm_i915_private
> > *dev_priv,
> > +static void psr2_program_idle_frames(struct intel_dp *intel_dp,
> > u32 idle_frames)
> > {
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > u32 val;
> >
> > idle_frames <<= EDP_PSR2_IDLE_FRAME_SHIFT;
> > - val = intel_de_read(dev_priv, EDP_PSR2_CTL(dev_priv-
> > >psr.transcoder));
> > + val = intel_de_read(dev_priv, EDP_PSR2_CTL(intel_dp-
> > >psr.transcoder));
> > val &= ~EDP_PSR2_IDLE_FRAME_MASK;
> > val |= idle_frames;
> > - intel_de_write(dev_priv, EDP_PSR2_CTL(dev_priv-
> > >psr.transcoder), val);
> > + intel_de_write(dev_priv, EDP_PSR2_CTL(intel_dp-
> > >psr.transcoder), val);
> > }
> >
> > -static void tgl_psr2_enable_dc3co(struct drm_i915_private
> > *dev_priv)
> > +static void tgl_psr2_enable_dc3co(struct intel_dp *intel_dp)
> > {
> > - psr2_program_idle_frames(dev_priv, 0);
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > +
> > + psr2_program_idle_frames(intel_dp, 0);
> > intel_display_power_set_target_dc_state(dev_priv,
> > DC_STATE_EN_DC3CO);
> > }
> >
> > -static void tgl_psr2_disable_dc3co(struct drm_i915_private
> > *dev_priv)
> > +static void tgl_psr2_disable_dc3co(struct intel_dp *intel_dp)
> > {
> > - struct intel_dp *intel_dp = dev_priv->psr.dp;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > intel_display_power_set_target_dc_state(dev_priv,
> > DC_STATE_EN_UPTO_DC6);
> > - psr2_program_idle_frames(dev_priv,
> > psr_compute_idle_frames(intel_dp));
> > + psr2_program_idle_frames(intel_dp,
> > psr_compute_idle_frames(intel_dp));
> > }
> >
> > static void tgl_dc3co_disable_work(struct work_struct *work)
> > {
> > - struct drm_i915_private *dev_priv =
> > - container_of(work, typeof(*dev_priv),
> > psr.dc3co_work.work);
> > + struct intel_dp *intel_dp =
> > + container_of(work, typeof(*intel_dp),
> > psr.dc3co_work.work);
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> > /* If delayed work is pending, it is not idle */
> > - if (delayed_work_pending(&dev_priv->psr.dc3co_work))
> > + if (delayed_work_pending(&intel_dp->psr.dc3co_work))
> > goto unlock;
> >
> > - tgl_psr2_disable_dc3co(dev_priv);
> > + tgl_psr2_disable_dc3co(intel_dp);
> > unlock:
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_unlock(&intel_dp->psr.lock);
> > }
> >
> > -static void tgl_disallow_dc3co_on_psr2_exit(struct
> > drm_i915_private *dev_priv)
> > +static void tgl_disallow_dc3co_on_psr2_exit(struct intel_dp
> > *intel_dp)
> > {
> > - if (!dev_priv->psr.dc3co_enabled)
> > + if (!intel_dp->psr.dc3co_enabled)
> > return;
> >
> > - cancel_delayed_work(&dev_priv->psr.dc3co_work);
> > + cancel_delayed_work(&intel_dp->psr.dc3co_work);
> > /* Before PSR2 exit disallow dc3co*/
> > - tgl_psr2_disable_dc3co(dev_priv);
> > + tgl_psr2_disable_dc3co(intel_dp);
> > }
> >
> > static void
> > @@ -714,7 +711,7 @@ static bool intel_psr2_config_valid(struct
> > intel_dp *intel_dp,
> > int crtc_vdisplay = crtc_state->hw.adjusted_mode.crtc_vdisplay;
> > int psr_max_h = 0, psr_max_v = 0, max_bpp = 0;
> >
> > - if (!dev_priv->psr.sink_psr2_support)
> > + if (!intel_dp->psr.sink_psr2_support)
> > return false;
> >
> > if (!transcoder_has_psr2(dev_priv, crtc_state->cpu_transcoder))
> > {
> > @@ -724,7 +721,7 @@ static bool intel_psr2_config_valid(struct
> > intel_dp *intel_dp,
> > return false;
> > }
> >
> > - if (!psr2_global_enabled(dev_priv)) {
> > + if (!psr2_global_enabled(intel_dp)) {
> > drm_dbg_kms(&dev_priv->drm, "PSR2 disabled by flag\n");
> > return false;
> > }
> > @@ -773,10 +770,10 @@ static bool intel_psr2_config_valid(struct
> > intel_dp *intel_dp,
> > * only need to validate the SU block width is a multiple of
> > * x granularity.
> > */
> > - if (crtc_hdisplay % dev_priv->psr.su_x_granularity) {
> > + if (crtc_hdisplay % intel_dp->psr.su_x_granularity) {
> > drm_dbg_kms(&dev_priv->drm,
> > "PSR2 not enabled, hdisplay(%d) not
> > multiple of %d\n",
> > - crtc_hdisplay, dev_priv-
> > >psr.su_x_granularity);
> > + crtc_hdisplay, intel_dp-
> > >psr.su_x_granularity);
> > return false;
> > }
> >
> > @@ -811,13 +808,10 @@ void intel_psr_compute_config(struct intel_dp
> > *intel_dp,
> > &crtc_state->hw.adjusted_mode;
> > int psr_setup_time;
> What is the plan to check whether a transcoder supports psr with a
> intel_dp.
> Theoretically there can be muliple combination of crtc attached to a
> connector,
> If it is wip, plese add TODO comment in commit log.
> >
> > - if (!CAN_PSR(dev_priv))
> > - return;
> > -
> > - if (intel_dp != dev_priv->psr.dp)
> > + if (!CAN_PSR(intel_dp))
> > return;
> >
> > - if (!psr_global_enabled(dev_priv)) {
> > + if (!psr_global_enabled(intel_dp)) {
> > drm_dbg_kms(&dev_priv->drm, "PSR disabled by flag\n");
> > return;
> > }
> > @@ -834,7 +828,7 @@ void intel_psr_compute_config(struct intel_dp
> > *intel_dp,
> > return;
> > }
> >
> > - if (dev_priv->psr.sink_not_reliable) {
> > + if (intel_dp->psr.sink_not_reliable) {
> > drm_dbg_kms(&dev_priv->drm,
> > "PSR sink implementation is not
> > reliable\n");
> > return;
> > @@ -870,23 +864,24 @@ void intel_psr_compute_config(struct intel_dp
> > *intel_dp,
> > static void intel_psr_activate(struct intel_dp *intel_dp)
> > {
> > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > + enum transcoder transcoder = intel_dp->psr.transcoder;
> >
> > - if (transcoder_has_psr2(dev_priv, dev_priv->psr.transcoder))
> > + if (transcoder_has_psr2(dev_priv, transcoder))
> > drm_WARN_ON(&dev_priv->drm,
> > - intel_de_read(dev_priv,
> > EDP_PSR2_CTL(dev_priv->psr.transcoder)) & EDP_PSR2_ENABLE);
> > + intel_de_read(dev_priv,
> > EDP_PSR2_CTL(transcoder)) & EDP_PSR2_ENABLE);
> >
> > drm_WARN_ON(&dev_priv->drm,
> > - intel_de_read(dev_priv, EDP_PSR_CTL(dev_priv-
> > >psr.transcoder)) & EDP_PSR_ENABLE);
> > - drm_WARN_ON(&dev_priv->drm, dev_priv->psr.active);
> > - lockdep_assert_held(&dev_priv->psr.lock);
> > + intel_de_read(dev_priv, EDP_PSR_CTL(transcoder)) &
> > EDP_PSR_ENABLE);
> > + drm_WARN_ON(&dev_priv->drm, intel_dp->psr.active);
> > + lockdep_assert_held(&intel_dp->psr.lock);
> >
> > /* psr1 and psr2 are mutually exclusive.*/
> > - if (dev_priv->psr.psr2_enabled)
> > + if (intel_dp->psr.psr2_enabled)
> > hsw_activate_psr2(intel_dp);
> > else
> > hsw_activate_psr1(intel_dp);
> >
> > - dev_priv->psr.active = true;
> > + intel_dp->psr.active = true;
> > }
> >
> > static void intel_psr_enable_source(struct intel_dp *intel_dp,
> > @@ -902,7 +897,7 @@ static void intel_psr_enable_source(struct
> > intel_dp *intel_dp,
> > if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
> > hsw_psr_setup_aux(intel_dp);
> >
> > - if (dev_priv->psr.psr2_enabled && (IS_GEN(dev_priv, 9) &&
> > + if (intel_dp->psr.psr2_enabled && (IS_GEN(dev_priv, 9) &&
> > !IS_GEMINILAKE(dev_priv))) {
> > i915_reg_t reg = CHICKEN_TRANS(cpu_transcoder);
> > u32 chicken = intel_de_read(dev_priv, reg);
> > @@ -926,10 +921,10 @@ static void intel_psr_enable_source(struct
> > intel_dp *intel_dp,
> > if (INTEL_GEN(dev_priv) < 11)
> > mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
> >
> > - intel_de_write(dev_priv, EDP_PSR_DEBUG(dev_priv-
> > >psr.transcoder),
> > + intel_de_write(dev_priv, EDP_PSR_DEBUG(intel_dp-
> > >psr.transcoder),
> > mask);
> >
> > - psr_irq_control(dev_priv);
> > + psr_irq_control(intel_dp);
> >
> > if (crtc_state->dc3co_exitline) {
> > u32 val;
> > @@ -947,30 +942,30 @@ static void intel_psr_enable_source(struct
> > intel_dp *intel_dp,
> >
> > if (HAS_PSR_HW_TRACKING(dev_priv) &&
> > HAS_PSR2_SEL_FETCH(dev_priv))
> > intel_de_rmw(dev_priv, CHICKEN_PAR1_1,
> > IGNORE_PSR2_HW_TRACKING,
> > - dev_priv->psr.psr2_sel_fetch_enabled ?
> > + intel_dp->psr.psr2_sel_fetch_enabled ?
> > IGNORE_PSR2_HW_TRACKING : 0);
> > }
> >
> > -static void intel_psr_enable_locked(struct drm_i915_private
> > *dev_priv,
> > +static void intel_psr_enable_locked(struct intel_dp *intel_dp,
> > const struct intel_crtc_state
> > *crtc_state,
> > const struct drm_connector_state
> > *conn_state)
> > {
> > - struct intel_dp *intel_dp = dev_priv->psr.dp;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> > struct intel_encoder *encoder = &dig_port->base;
> > u32 val;
> >
> > - drm_WARN_ON(&dev_priv->drm, dev_priv->psr.enabled);
> > + drm_WARN_ON(&dev_priv->drm, intel_dp->psr.enabled);
> >
> > - dev_priv->psr.psr2_enabled = crtc_state->has_psr2;
> > - dev_priv->psr.busy_frontbuffer_bits = 0;
> > - dev_priv->psr.pipe = to_intel_crtc(crtc_state->uapi.crtc)-
> > >pipe;
> > - dev_priv->psr.dc3co_enabled = !!crtc_state->dc3co_exitline;
> > - dev_priv->psr.transcoder = crtc_state->cpu_transcoder;
> > + intel_dp->psr.psr2_enabled = crtc_state->has_psr2;
> > + intel_dp->psr.busy_frontbuffer_bits = 0;
> > + intel_dp->psr.pipe = to_intel_crtc(crtc_state->uapi.crtc)-
> > >pipe;
> > + intel_dp->psr.dc3co_enabled = !!crtc_state->dc3co_exitline;
> > + intel_dp->psr.transcoder = crtc_state->cpu_transcoder;
> > /* DC5/DC6 requires at least 6 idle frames */
> > val = usecs_to_jiffies(intel_get_frame_time_us(crtc_state) *
> > 6);
> > - dev_priv->psr.dc3co_exit_delay = val;
> > - dev_priv->psr.psr2_sel_fetch_enabled = crtc_state-
> > >enable_psr2_sel_fetch;
> > + intel_dp->psr.dc3co_exit_delay = val;
> > + intel_dp->psr.psr2_sel_fetch_enabled = crtc_state-
> > >enable_psr2_sel_fetch;
> >
> > /*
> > * If a PSR error happened and the driver is reloaded, the
> > EDP_PSR_IIR
> > @@ -982,27 +977,27 @@ static void intel_psr_enable_locked(struct
> > drm_i915_private *dev_priv,
> > */
> > if (INTEL_GEN(dev_priv) >= 12) {
> > val = intel_de_read(dev_priv,
> > - TRANS_PSR_IIR(dev_priv-
> > >psr.transcoder));
> > + TRANS_PSR_IIR(intel_dp-
> > >psr.transcoder));
> > val &= EDP_PSR_ERROR(0);
> > } else {
> > val = intel_de_read(dev_priv, EDP_PSR_IIR);
> > - val &= EDP_PSR_ERROR(dev_priv->psr.transcoder);
> > + val &= EDP_PSR_ERROR(intel_dp->psr.transcoder);
> > }
> > if (val) {
> > - dev_priv->psr.sink_not_reliable = true;
> > + intel_dp->psr.sink_not_reliable = true;
> > drm_dbg_kms(&dev_priv->drm,
> > "PSR interruption error set, not enabling
> > PSR\n");
> > return;
> > }
> >
> > drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n",
> > - dev_priv->psr.psr2_enabled ? "2" : "1");
> > + intel_dp->psr.psr2_enabled ? "2" : "1");
> > intel_dp_compute_psr_vsc_sdp(intel_dp, crtc_state, conn_state,
> > - &dev_priv->psr.vsc);
> > - intel_write_dp_vsc_sdp(encoder, crtc_state, &dev_priv-
> > >psr.vsc);
> > + &intel_dp->psr.vsc);
> > + intel_write_dp_vsc_sdp(encoder, crtc_state, &intel_dp-
> > >psr.vsc);
> > intel_psr_enable_sink(intel_dp);
> > intel_psr_enable_source(intel_dp, crtc_state);
> > - dev_priv->psr.enabled = true;
> > + intel_dp->psr.enabled = true;
> >
> > intel_psr_activate(intel_dp);
> > }
> > @@ -1021,7 +1016,7 @@ void intel_psr_enable(struct intel_dp
> > *intel_dp,
> > {
> > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > - if (!CAN_PSR(dev_priv) || dev_priv->psr.dp != intel_dp)
> > + if (!CAN_PSR(intel_dp))
> > return;
> >
> > if (!crtc_state->has_psr)
> > @@ -1029,46 +1024,47 @@ void intel_psr_enable(struct intel_dp
> > *intel_dp,
> >
> > drm_WARN_ON(&dev_priv->drm, dev_priv->drrs.dp);
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > - intel_psr_enable_locked(dev_priv, crtc_state, conn_state);
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> > + intel_psr_enable_locked(intel_dp, crtc_state, conn_state);
> > + mutex_unlock(&intel_dp->psr.lock);
> > }
> >
> > -static void intel_psr_exit(struct drm_i915_private *dev_priv)
> > +static void intel_psr_exit(struct intel_dp *intel_dp)
> > {
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > u32 val;
> >
> > - if (!dev_priv->psr.active) {
> > - if (transcoder_has_psr2(dev_priv, dev_priv-
> > >psr.transcoder)) {
> > + if (!intel_dp->psr.active) {
> > + if (transcoder_has_psr2(dev_priv, intel_dp-
> > >psr.transcoder)) {
> > val = intel_de_read(dev_priv,
> > - EDP_PSR2_CTL(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR2_CTL(intel_dp-
> > >psr.transcoder));
> > drm_WARN_ON(&dev_priv->drm, val &
> > EDP_PSR2_ENABLE);
> > }
> >
> > val = intel_de_read(dev_priv,
> > - EDP_PSR_CTL(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR_CTL(intel_dp-
> > >psr.transcoder));
> > drm_WARN_ON(&dev_priv->drm, val & EDP_PSR_ENABLE);
> >
> > return;
> > }
> >
> > - if (dev_priv->psr.psr2_enabled) {
> > - tgl_disallow_dc3co_on_psr2_exit(dev_priv);
> > + if (intel_dp->psr.psr2_enabled) {
> > + tgl_disallow_dc3co_on_psr2_exit(intel_dp);
> > val = intel_de_read(dev_priv,
> > - EDP_PSR2_CTL(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR2_CTL(intel_dp-
> > >psr.transcoder));
> > drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR2_ENABLE));
> > val &= ~EDP_PSR2_ENABLE;
> > intel_de_write(dev_priv,
> > - EDP_PSR2_CTL(dev_priv->psr.transcoder),
> > val);
> > + EDP_PSR2_CTL(intel_dp->psr.transcoder),
> > val);
> > } else {
> > val = intel_de_read(dev_priv,
> > - EDP_PSR_CTL(dev_priv-
> > >psr.transcoder));
> > + EDP_PSR_CTL(intel_dp-
> > >psr.transcoder));
> > drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR_ENABLE));
> > val &= ~EDP_PSR_ENABLE;
> > intel_de_write(dev_priv,
> > - EDP_PSR_CTL(dev_priv->psr.transcoder),
> > val);
> > + EDP_PSR_CTL(intel_dp->psr.transcoder),
> > val);
> > }
> > - dev_priv->psr.active = false;
> > + intel_dp->psr.active = false;
> > }
> >
> > static void intel_psr_disable_locked(struct intel_dp *intel_dp)
> > @@ -1077,21 +1073,21 @@ static void intel_psr_disable_locked(struct
> > intel_dp *intel_dp)
> > i915_reg_t psr_status;
> > u32 psr_status_mask;
> >
> > - lockdep_assert_held(&dev_priv->psr.lock);
> > + lockdep_assert_held(&intel_dp->psr.lock);
> >
> > - if (!dev_priv->psr.enabled)
> > + if (!intel_dp->psr.enabled)
> > return;
> >
> > drm_dbg_kms(&dev_priv->drm, "Disabling PSR%s\n",
> > - dev_priv->psr.psr2_enabled ? "2" : "1");
> > + intel_dp->psr.psr2_enabled ? "2" : "1");
> >
> > - intel_psr_exit(dev_priv);
> > + intel_psr_exit(intel_dp);
> >
> > - if (dev_priv->psr.psr2_enabled) {
> > - psr_status = EDP_PSR2_STATUS(dev_priv->psr.transcoder);
> > + if (intel_dp->psr.psr2_enabled) {
> > + psr_status = EDP_PSR2_STATUS(intel_dp->psr.transcoder);
> > psr_status_mask = EDP_PSR2_STATUS_STATE_MASK;
> > } else {
> > - psr_status = EDP_PSR_STATUS(dev_priv->psr.transcoder);
> > + psr_status = EDP_PSR_STATUS(intel_dp->psr.transcoder);
> > psr_status_mask = EDP_PSR_STATUS_STATE_MASK;
> > }
> >
> > @@ -1101,7 +1097,7 @@ static void intel_psr_disable_locked(struct
> > intel_dp *intel_dp)
> > drm_err(&dev_priv->drm, "Timed out waiting PSR idle
> > state\n");
> >
> > /* WA 1408330847 */
> > - if (dev_priv->psr.psr2_sel_fetch_enabled &&
> > + if (intel_dp->psr.psr2_sel_fetch_enabled &&
> > (IS_TGL_DISP_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0) ||
> > IS_RKL_REVID(dev_priv, RKL_REVID_A0, RKL_REVID_A0)))
> > intel_de_rmw(dev_priv, CHICKEN_PAR1_1,
> > @@ -1110,10 +1106,10 @@ static void intel_psr_disable_locked(struct
> > intel_dp *intel_dp)
> > /* Disable PSR on Sink */
> > drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
> >
> > - if (dev_priv->psr.psr2_enabled)
> > + if (intel_dp->psr.psr2_enabled)
> > drm_dp_dpcd_writeb(&intel_dp->aux,
> > DP_RECEIVER_ALPM_CONFIG, 0);
> >
> > - dev_priv->psr.enabled = false;
> > + intel_dp->psr.enabled = false;
> > }
> >
> > /**
> > @@ -1131,20 +1127,22 @@ void intel_psr_disable(struct intel_dp
> > *intel_dp,
> > if (!old_crtc_state->has_psr)
> > return;
> >
> > - if (drm_WARN_ON(&dev_priv->drm, !CAN_PSR(dev_priv)))
> > + if (drm_WARN_ON(&dev_priv->drm, !CAN_PSR(intel_dp)))
> > return;
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> >
> > intel_psr_disable_locked(intel_dp);
> >
> > - mutex_unlock(&dev_priv->psr.lock);
> > - cancel_work_sync(&dev_priv->psr.work);
> > - cancel_delayed_work_sync(&dev_priv->psr.dc3co_work);
> > + mutex_unlock(&intel_dp->psr.lock);
> > + cancel_work_sync(&intel_dp->psr.work);
> > + cancel_delayed_work_sync(&intel_dp->psr.dc3co_work);
> > }
> >
> > -static void psr_force_hw_tracking_exit(struct drm_i915_private
> > *dev_priv)
> > +static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp)
> > {
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > +
> > if (IS_TIGERLAKE(dev_priv))
> > /*
> > * Writes to CURSURFLIVE in TGL are causing IOMMU
> > errors and
> > @@ -1158,7 +1156,7 @@ static void psr_force_hw_tracking_exit(struct
> > drm_i915_private *dev_priv)
> > * So using this workaround until this issue is root
> > caused
> > * and a better fix is found.
> > */
> > - intel_psr_exit(dev_priv);
> > + intel_psr_exit(intel_dp);
> > else if (INTEL_GEN(dev_priv) >= 9)
> > /*
> > * Display WA #0884: skl+
> > @@ -1169,13 +1167,13 @@ static void
> > psr_force_hw_tracking_exit(struct drm_i915_private *dev_priv)
> > * but it makes more sense write to the current active
> > * pipe.
> > */
> > - intel_de_write(dev_priv, CURSURFLIVE(dev_priv-
> > >psr.pipe), 0);
> > + intel_de_write(dev_priv, CURSURFLIVE(intel_dp-
> > >psr.pipe), 0);
> > else
> > /*
> > * A write to CURSURFLIVE do not cause HW tracking to
> > exit PSR
> > * on older gens so doing the manual exit instead.
> > */
> > - intel_psr_exit(dev_priv);
> > + intel_psr_exit(intel_dp);
> > }
> >
> > void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
> > @@ -1215,11 +1213,11 @@ void
> > intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
> > intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_SIZE(pipe, plane-
> > >id), val);
> > }
> >
> > -void intel_psr2_program_trans_man_trk_ctl(const struct
> > intel_crtc_state *crtc_state)
> > +void intel_psr2_program_trans_man_trk_ctl(struct intel_dp
> > *intel_dp,
> > + const struct intel_crtc_state
> > *crtc_state)
> > {
> > - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> > - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > + struct intel_psr *psr = &intel_dp->psr;
> >
> > if (!HAS_PSR2_SEL_FETCH(dev_priv) ||
> > !crtc_state->enable_psr2_sel_fetch)
> > @@ -1336,13 +1334,13 @@ void intel_psr_update(struct intel_dp
> > *intel_dp,
> > const struct drm_connector_state *conn_state)
> > {
> > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct intel_psr *psr = &intel_dp->psr;
> > bool enable, psr2_enable;
> >
> > - if (!CAN_PSR(dev_priv) || READ_ONCE(psr->dp) != intel_dp)
> > + if (!CAN_PSR(intel_dp))
> > return;
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> >
> > enable = crtc_state->has_psr;
> > psr2_enable = crtc_state->has_psr2;
> > @@ -1350,15 +1348,15 @@ void intel_psr_update(struct intel_dp
> > *intel_dp,
> > if (enable == psr->enabled && psr2_enable == psr->psr2_enabled)
> > {
> > /* Force a PSR exit when enabling CRC to avoid CRC
> > timeouts */
> > if (crtc_state->crc_enabled && psr->enabled)
> > - psr_force_hw_tracking_exit(dev_priv);
> > + psr_force_hw_tracking_exit(intel_dp);
> > else if (INTEL_GEN(dev_priv) < 9 && psr->enabled) {
> > /*
> > * Activate PSR again after a force exit when
> > enabling
> > * CRC in older gens
> > */
> > - if (!dev_priv->psr.active &&
> > - !dev_priv->psr.busy_frontbuffer_bits)
> > - schedule_work(&dev_priv->psr.work);
> > + if (!intel_dp->psr.active &&
> > + !intel_dp->psr.busy_frontbuffer_bits)
> > + schedule_work(&intel_dp->psr.work);
> > }
> >
> > goto unlock;
> > @@ -1368,34 +1366,23 @@ void intel_psr_update(struct intel_dp
> > *intel_dp,
> > intel_psr_disable_locked(intel_dp);
> >
> > if (enable)
> > - intel_psr_enable_locked(dev_priv, crtc_state,
> > conn_state);
> > + intel_psr_enable_locked(intel_dp, crtc_state,
> > conn_state);
> >
> > unlock:
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_unlock(&intel_dp->psr.lock);
> > }
> >
> > /**
> > - * intel_psr_wait_for_idle - wait for PSR1 to idle
> > - * @new_crtc_state: new CRTC state
> > + * psr_wait_for_idle - wait for PSR1 to idle
> > + * @intel_dp: Intel DP
> > * @out_value: PSR status in case of failure
> > *
> > - * This function is expected to be called from pipe_update_start()
> > where it is
> > - * not expected to race with PSR enable or disable.
> > - *
> > * Returns: 0 on success or -ETIMEOUT if PSR status does not idle.
> > + *
> > */
> > -int intel_psr_wait_for_idle(const struct intel_crtc_state
> > *new_crtc_state,
> > - u32 *out_value)
> > +static int psr_wait_for_idle(struct intel_dp *intel_dp, u32
> > *out_value)
> > {
> > - struct intel_crtc *crtc = to_intel_crtc(new_crtc_state-
> > >uapi.crtc);
> > - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> > -
> > - if (!dev_priv->psr.enabled || !new_crtc_state->has_psr)
> > - return 0;
> > -
> > - /* FIXME: Update this for PSR2 if we need to wait for idle */
> > - if (READ_ONCE(dev_priv->psr.psr2_enabled))
> > - return 0;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > /*
> > * From bspec: Panel Self Refresh (BDW+)
> > @@ -1403,32 +1390,67 @@ int intel_psr_wait_for_idle(const struct
> > intel_crtc_state *new_crtc_state,
> > * exit training time + 1.5 ms of aux channel handshake. 50 ms
> > is
> > * defensive enough to cover everything.
> > */
> > -
> > return __intel_wait_for_register(&dev_priv->uncore,
> > - EDP_PSR_STATUS(dev_priv-
> > >psr.transcoder),
> > + EDP_PSR_STATUS(intel_dp-
> > >psr.transcoder),
> > EDP_PSR_STATUS_STATE_MASK,
> > EDP_PSR_STATUS_STATE_IDLE, 2,
> > 50,
> > out_value);
> > }
> >
> > -static bool __psr_wait_for_idle_locked(struct drm_i915_private
> > *dev_priv)
> > +/**
> > + * intel_psr_wait_for_idle - wait for PSR1 to idle
> > + * @new_crtc_state: new CRTC state
> > + *
> > + * This function is expected to be called from pipe_update_start()
> > where it is
> > + * not expected to race with PSR enable or disable.
> > + */
> > +void intel_psr_wait_for_idle(const struct intel_crtc_state
> > *new_crtc_state)
> > +{
> > + struct drm_i915_private *dev_priv = to_i915(new_crtc_state-
> > >uapi.crtc->dev);
> > + struct intel_encoder *encoder;
> > + u32 psr_status;
> > +
> > + if (!new_crtc_state->has_psr)
> > + return;
> > +
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> > +
> > + if (encoder->type != INTEL_OUTPUT_EDP)
> > + continue;
> > +
> > + /* when the PSR1 is enabled */
> > + if (intel_dp->psr.enabled && !intel_dp-
> > >psr.psr2_enabled) {
> > + if (psr_wait_for_idle(intel_dp, &psr_status))
> > + drm_err(&dev_priv->drm,
> > + "PSR idle timed out 0x%x,
> > atomic update may fail\n",
> > + psr_status);
> > +
> > + /* only one trancoder can enable PSR1 */
> Above comment is not true for dual eDP.
> Since TGL DMC support context save and restore
> on
> both pipe A and pipe B.
> > + break;
> > + }
> > + }
> > +}
> > +
> > +static bool __psr_wait_for_idle_locked(struct intel_dp *intel_dp)
> > {
> > i915_reg_t reg;
> > u32 mask;
> > int err;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > - if (!dev_priv->psr.enabled)
> > + if (!intel_dp->psr.enabled)
> > return false;
> >
> > - if (dev_priv->psr.psr2_enabled) {
> > - reg = EDP_PSR2_STATUS(dev_priv->psr.transcoder);
> > + if (intel_dp->psr.psr2_enabled) {
> > + reg = EDP_PSR2_STATUS(intel_dp->psr.transcoder);
> > mask = EDP_PSR2_STATUS_STATE_MASK;
> > } else {
> > - reg = EDP_PSR_STATUS(dev_priv->psr.transcoder);
> > + reg = EDP_PSR_STATUS(intel_dp->psr.transcoder);
> > mask = EDP_PSR_STATUS_STATE_MASK;
> > }
> >
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_unlock(&intel_dp->psr.lock);
> >
> > err = intel_de_wait_for_clear(dev_priv, reg, mask, 50);
> > if (err)
> > @@ -1436,8 +1458,8 @@ static bool __psr_wait_for_idle_locked(struct
> > drm_i915_private *dev_priv)
> > "Timed out waiting for PSR Idle for re-
> > enable\n");
> >
> > /* After the unlocked wait, verify that PSR is still wanted! */
> > - mutex_lock(&dev_priv->psr.lock);
> > - return err == 0 && dev_priv->psr.enabled;
> > + mutex_lock(&intel_dp->psr.lock);
> > + return err == 0 && intel_dp->psr.enabled;
> > }
> >
> > static int intel_psr_fastset_force(struct drm_i915_private
> > *dev_priv)
> > @@ -1503,11 +1525,12 @@ static int intel_psr_fastset_force(struct
> > drm_i915_private *dev_priv)
> > return err;
> > }
> >
> > -int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64
> > val)
> > +int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val)
> > {
> > const u32 mode = val & I915_PSR_DEBUG_MODE_MASK;
> > u32 old_mode;
> > int ret;
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> >
> > if (val & ~(I915_PSR_DEBUG_IRQ | I915_PSR_DEBUG_MODE_MASK) ||
> > mode > I915_PSR_DEBUG_FORCE_PSR1) {
> > @@ -1515,21 +1538,21 @@ int intel_psr_debug_set(struct
> > drm_i915_private *dev_priv, u64 val)
> > return -EINVAL;
> > }
> >
> > - ret = mutex_lock_interruptible(&dev_priv->psr.lock);
> > + ret = mutex_lock_interruptible(&intel_dp->psr.lock);
> > if (ret)
> > return ret;
> >
> > - old_mode = dev_priv->psr.debug & I915_PSR_DEBUG_MODE_MASK;
> > - dev_priv->psr.debug = val;
> > + old_mode = intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK;
> > + intel_dp->psr.debug = val;
> >
> > /*
> > * Do it right away if it's already enabled, otherwise it will
> > be done
> > * when enabling the source.
> > */
> > - if (dev_priv->psr.enabled)
> > - psr_irq_control(dev_priv);
> > + if (intel_dp->psr.enabled)
> > + psr_irq_control(intel_dp);
> >
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_unlock(&intel_dp->psr.lock);
> >
> > if (old_mode != mode)
> > ret = intel_psr_fastset_force(dev_priv);
> > @@ -1537,28 +1560,28 @@ int intel_psr_debug_set(struct
> > drm_i915_private *dev_priv, u64 val)
> > return ret;
> > }
> >
> > -static void intel_psr_handle_irq(struct drm_i915_private
> > *dev_priv)
> > +static void intel_psr_handle_irq(struct intel_dp *intel_dp)
> > {
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct intel_psr *psr = &intel_dp->psr;
> >
> > - intel_psr_disable_locked(psr->dp);
> > + intel_psr_disable_locked(intel_dp);
> > psr->sink_not_reliable = true;
> > /* let's make sure that sink is awaken */
> > - drm_dp_dpcd_writeb(&psr->dp->aux, DP_SET_POWER,
> > DP_SET_POWER_D0);
> > + drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER,
> > DP_SET_POWER_D0);
> > }
> >
> > static void intel_psr_work(struct work_struct *work)
> > {
> > - struct drm_i915_private *dev_priv =
> > - container_of(work, typeof(*dev_priv), psr.work);
> > + struct intel_dp *intel_dp =
> > + container_of(work, typeof(*intel_dp), psr.work);
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> >
> > - if (!dev_priv->psr.enabled)
> > + if (!intel_dp->psr.enabled)
> > goto unlock;
> >
> > - if (READ_ONCE(dev_priv->psr.irq_aux_error))
> > - intel_psr_handle_irq(dev_priv);
> > + if (READ_ONCE(intel_dp->psr.irq_aux_error))
> > + intel_psr_handle_irq(intel_dp);
> >
> > /*
> > * We have to make sure PSR is ready for re-enable
> > @@ -1566,7 +1589,7 @@ static void intel_psr_work(struct work_struct
> > *work)
> > * PSR might take some time to get fully disabled
> > * and be ready for re-enable.
> > */
> > - if (!__psr_wait_for_idle_locked(dev_priv))
> > + if (!__psr_wait_for_idle_locked(intel_dp))
> > goto unlock;
> >
> > /*
> > @@ -1574,12 +1597,12 @@ static void intel_psr_work(struct
> > work_struct *work)
> > * recheck. Since psr_flush first clears this and then
> > reschedules we
> > * won't ever miss a flush when bailing out here.
> > */
> > - if (dev_priv->psr.busy_frontbuffer_bits || dev_priv-
> > >psr.active)
> > + if (intel_dp->psr.busy_frontbuffer_bits || intel_dp-
> > >psr.active)
> > goto unlock;
> >
> > - intel_psr_activate(dev_priv->psr.dp);
> > + intel_psr_activate(intel_dp);
> > unlock:
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_unlock(&intel_dp->psr.lock);
> > }
> >
> > /**
> > @@ -1598,27 +1621,35 @@ static void intel_psr_work(struct
> > work_struct *work)
> > void intel_psr_invalidate(struct drm_i915_private *dev_priv,
> > unsigned frontbuffer_bits, enum fb_op_origin
> > origin)
> > {
> > - if (!CAN_PSR(dev_priv))
> > - return;
> > + struct intel_encoder *encoder;
> > + struct intel_dp *intel_dp;
> >
> > - if (origin == ORIGIN_FLIP)
> > - return;
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> with my understanding looping for each intel_dp in
> intel_psr_{invalidate,flush}
> may not be correct. intel_psr_{invalidate,flush} will get called for
> frontbuffer
> updates associated with a framebuffer. Functionally if two eDP
> display have
> distinct fb, there will be distinct call to
> intel_psr_{invalidate,flush}.
Hi, Anshuman
Thank you for check it.
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > - if (!dev_priv->psr.enabled) {
> > - mutex_unlock(&dev_priv->psr.lock);
> > - return;
> > - }
> > + intel_dp = enc_to_intel_dp(encoder);
> > + if (encoder->type != INTEL_OUTPUT_EDP)
> > + continue;
> > + if (!CAN_PSR(intel_dp))
> > + continue;
> > +
> > + if (origin == ORIGIN_FLIP)
> > + continue;
> >
> > - frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(dev_priv-
> > >psr.pipe);
> > - dev_priv->psr.busy_frontbuffer_bits |= frontbuffer_bits;
> > + mutex_lock(&intel_dp->psr.lock);
> > + if (!intel_dp->psr.enabled) {
> > + mutex_unlock(&intel_dp->psr.lock);
> > + continue;
> > + }
> >
> > - if (frontbuffer_bits)
> > - intel_psr_exit(dev_priv);
Each intel_dp structure maintains their own psr pipe and related
framebuffer information.
And the affected framebuffer is calculated by this section.
> > + frontbuffer_bits &=
> > INTEL_FRONTBUFFER_ALL_MASK(intel_dp->psr.pipe);
> > + intel_dp->psr.busy_frontbuffer_bits |=
> > frontbuffer_bits;
> >
> > - mutex_unlock(&dev_priv->psr.lock);
> > -}
> > + if (frontbuffer_bits)
> > + intel_psr_exit(intel_dp);
> >
> > + mutex_unlock(&intel_dp->psr.lock);
> > + }
> > +}
> > /*
> > * When we will be completely rely on PSR2 S/W tracking in future,
> > * intel_psr_flush() will invalidate and flush the PSR for
> > ORIGIN_FLIP
> > @@ -1626,15 +1657,15 @@ void intel_psr_invalidate(struct
> > drm_i915_private *dev_priv,
> > * accordingly in future.
> > */
> > static void
> > -tgl_dc3co_flush(struct drm_i915_private *dev_priv,
> > - unsigned int frontbuffer_bits, enum fb_op_origin
> > origin)
> > +tgl_dc3co_flush(struct intel_dp *intel_dp, unsigned int
> > frontbuffer_bits,
> > + enum fb_op_origin origin)
> > {
> > - mutex_lock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> >
> > - if (!dev_priv->psr.dc3co_enabled)
> > + if (!intel_dp->psr.dc3co_enabled)
> > goto unlock;
> >
> > - if (!dev_priv->psr.psr2_enabled || !dev_priv->psr.active)
> > + if (!intel_dp->psr.psr2_enabled || !intel_dp->psr.active)
> > goto unlock;
> >
> > /*
> > @@ -1642,15 +1673,15 @@ tgl_dc3co_flush(struct drm_i915_private
> > *dev_priv,
> > * when delayed work schedules that means display has been
> > idle.
> > */
> > if (!(frontbuffer_bits &
> > - INTEL_FRONTBUFFER_ALL_MASK(dev_priv->psr.pipe)))
> > + INTEL_FRONTBUFFER_ALL_MASK(intel_dp->psr.pipe)))
> > goto unlock;
> >
> > - tgl_psr2_enable_dc3co(dev_priv);
> > - mod_delayed_work(system_wq, &dev_priv->psr.dc3co_work,
> > - dev_priv->psr.dc3co_exit_delay);
> > + tgl_psr2_enable_dc3co(intel_dp);
> > + mod_delayed_work(system_wq, &intel_dp->psr.dc3co_work,
> > + intel_dp->psr.dc3co_exit_delay);
> >
> > unlock:
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_unlock(&intel_dp->psr.lock);
> > }
> >
> > /**
> > @@ -1669,45 +1700,54 @@ tgl_dc3co_flush(struct drm_i915_private
> > *dev_priv,
> > void intel_psr_flush(struct drm_i915_private *dev_priv,
> > unsigned frontbuffer_bits, enum fb_op_origin
> > origin)
> > {
> > - if (!CAN_PSR(dev_priv))
> > - return;
> > -
> > - if (origin == ORIGIN_FLIP) {
> > - tgl_dc3co_flush(dev_priv, frontbuffer_bits, origin);
> > - return;
> > - }
> > -
> > - mutex_lock(&dev_priv->psr.lock);
> > - if (!dev_priv->psr.enabled) {
> > - mutex_unlock(&dev_priv->psr.lock);
> > - return;
> > + struct intel_encoder *encoder;
> > + struct intel_dp *intel_dp;
> > +
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + intel_dp = enc_to_intel_dp(encoder);
> > +
> > + if (encoder->type == INTEL_OUTPUT_EDP &&
> > CAN_PSR(intel_dp)) {
> > + if (origin == ORIGIN_FLIP) {
> > + tgl_dc3co_flush(intel_dp,
> > frontbuffer_bits, origin);
> > + continue;
> > + }
> > +
> > + mutex_lock(&intel_dp->psr.lock);
> > + if (!intel_dp->psr.enabled) {
> > + mutex_unlock(&intel_dp->psr.lock);
> > + continue;
> > + }
> > +
> > + frontbuffer_bits &=
> > INTEL_FRONTBUFFER_ALL_MASK(intel_dp->psr.pipe);
> > + intel_dp->psr.busy_frontbuffer_bits &=
> > ~frontbuffer_bits;
> > +
> > + /* By definition flush = invalidate + flush */
> > + if (frontbuffer_bits)
> > + psr_force_hw_tracking_exit(intel_dp);
> > +
> > + if (!intel_dp->psr.active && !intel_dp-
> > >psr.busy_frontbuffer_bits)
> > + schedule_work(&intel_dp->psr.work);
> > + mutex_unlock(&intel_dp->psr.lock);
> > + }
> > }
> > -
> > - frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(dev_priv-
> > >psr.pipe);
> > - dev_priv->psr.busy_frontbuffer_bits &= ~frontbuffer_bits;
> > -
> > - /* By definition flush = invalidate + flush */
> > - if (frontbuffer_bits)
> > - psr_force_hw_tracking_exit(dev_priv);
> > -
> > - if (!dev_priv->psr.active && !dev_priv-
> > >psr.busy_frontbuffer_bits)
> > - schedule_work(&dev_priv->psr.work);
> > - mutex_unlock(&dev_priv->psr.lock);
> > }
> >
> > /**
> > * intel_psr_init - Init basic PSR work and mutex.
> > - * @dev_priv: i915 device private
> > + * @intel_dp: Intel DP
> > *
> > - * This function is called only once at driver load to initialize
> > basic
> > - * PSR stuff.
> > + * This function is called after the initializing connector.
> > + * (the initializing of connector treats the handling of connector
> > capabilities)
> > + * And it initializes basic PSR stuff for each DP Encoder.
> > */
> > -void intel_psr_init(struct drm_i915_private *dev_priv)
> > +void intel_psr_init(struct intel_dp *intel_dp)
> > {
> > + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > +
> > if (!HAS_PSR(dev_priv))
> > return;
> >
> > - if (!dev_priv->psr.sink_support)
> > + if (!intel_dp->psr.sink_support)
> > return;
> >
> > if (IS_HASWELL(dev_priv))
> > @@ -1725,14 +1765,14 @@ void intel_psr_init(struct drm_i915_private
> > *dev_priv)
> > /* Set link_standby x link_off defaults */
> > if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
> > /* HSW and BDW require workarounds that we don't
> > implement. */
> > - dev_priv->psr.link_standby = false;
> > + intel_dp->psr.link_standby = false;
> > else if (INTEL_GEN(dev_priv) < 12)
> > /* For new platforms up to TGL let's respect VBT back
> > again */
> > - dev_priv->psr.link_standby = dev_priv-
> > >vbt.psr.full_link;
> > + intel_dp->psr.link_standby = dev_priv-
> > >vbt.psr.full_link;
> >
> > - INIT_WORK(&dev_priv->psr.work, intel_psr_work);
> > - INIT_DELAYED_WORK(&dev_priv->psr.dc3co_work,
> > tgl_dc3co_disable_work);
> > - mutex_init(&dev_priv->psr.lock);
> > + INIT_WORK(&intel_dp->psr.work, intel_psr_work);
> > + INIT_DELAYED_WORK(&intel_dp->psr.dc3co_work,
> > tgl_dc3co_disable_work);
> > + mutex_init(&intel_dp->psr.lock);
> > }
> >
> > static int psr_get_status_and_error_status(struct intel_dp
> > *intel_dp,
> > @@ -1758,7 +1798,7 @@ static void psr_alpm_check(struct intel_dp
> > *intel_dp)
> > {
> > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > struct drm_dp_aux *aux = &intel_dp->aux;
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct intel_psr *psr = &intel_dp->psr;
> > u8 val;
> > int r;
> >
> > @@ -1785,7 +1825,7 @@ static void psr_alpm_check(struct intel_dp
> > *intel_dp)
> > static void psr_capability_changed_check(struct intel_dp
> > *intel_dp)
> > {
> > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct intel_psr *psr = &intel_dp->psr;
> > u8 val;
> > int r;
> >
> > @@ -1809,18 +1849,18 @@ static void
> > psr_capability_changed_check(struct intel_dp *intel_dp)
> > void intel_psr_short_pulse(struct intel_dp *intel_dp)
> > {
> > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > - struct i915_psr *psr = &dev_priv->psr;
> > + struct intel_psr *psr = &intel_dp->psr;
> > u8 status, error_status;
> > const u8 errors = DP_PSR_RFB_STORAGE_ERROR |
> > DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR |
> > DP_PSR_LINK_CRC_ERROR;
> >
> > - if (!CAN_PSR(dev_priv) || !intel_dp_is_edp(intel_dp))
> > + if (!CAN_PSR(intel_dp) || !intel_dp_is_edp(intel_dp))
> > return;
> >
> > mutex_lock(&psr->lock);
> >
> > - if (!psr->enabled || psr->dp != intel_dp)
> > + if (!psr->enabled)
> > goto exit;
> >
> > if (psr_get_status_and_error_status(intel_dp, &status,
> > &error_status)) {
> > @@ -1863,15 +1903,14 @@ void intel_psr_short_pulse(struct intel_dp
> > *intel_dp)
> >
> > bool intel_psr_enabled(struct intel_dp *intel_dp)
> > {
> > - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
> > bool ret;
> >
> > - if (!CAN_PSR(dev_priv) || !intel_dp_is_edp(intel_dp))
> > + if (!CAN_PSR(intel_dp) || !intel_dp_is_edp(intel_dp))
> > return false;
> >
> > - mutex_lock(&dev_priv->psr.lock);
> > - ret = (dev_priv->psr.dp == intel_dp && dev_priv->psr.enabled);
> > - mutex_unlock(&dev_priv->psr.lock);
> > + mutex_lock(&intel_dp->psr.lock);
> > + ret = intel_dp->psr.enabled;
> > + mutex_unlock(&intel_dp->psr.lock);
> >
> > return ret;
> > }
> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.h
> > b/drivers/gpu/drm/i915/display/intel_psr.h
> > index 0a517978e8af..03eb19547d09 100644
> > --- a/drivers/gpu/drm/i915/display/intel_psr.h
> > +++ b/drivers/gpu/drm/i915/display/intel_psr.h
> > @@ -18,7 +18,7 @@ struct intel_atomic_state;
> > struct intel_plane_state;
> > struct intel_plane;
> >
> > -#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv-
> > >psr.sink_support)
> > +#define CAN_PSR(intel_dp) (HAS_PSR(dp_to_i915(intel_dp)) &&
> > intel_dp->psr.sink_support)
> > void intel_psr_init_dpcd(struct intel_dp *intel_dp);
> > void intel_psr_enable(struct intel_dp *intel_dp,
> > const struct intel_crtc_state *crtc_state,
> > @@ -28,24 +28,24 @@ void intel_psr_disable(struct intel_dp
> > *intel_dp,
> > void intel_psr_update(struct intel_dp *intel_dp,
> > const struct intel_crtc_state *crtc_state,
> > const struct drm_connector_state *conn_state);
> > -int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64
> > value);
> > +int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
> > void intel_psr_invalidate(struct drm_i915_private *dev_priv,
> > unsigned frontbuffer_bits,
> > enum fb_op_origin origin);
> > void intel_psr_flush(struct drm_i915_private *dev_priv,
> > unsigned frontbuffer_bits,
> > enum fb_op_origin origin);
> > -void intel_psr_init(struct drm_i915_private *dev_priv);
> > +void intel_psr_init(struct intel_dp *intel_dp);
> > void intel_psr_compute_config(struct intel_dp *intel_dp,
> > struct intel_crtc_state *crtc_state);
> > -void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32
> > psr_iir);
> > +void intel_psr_irq_handler(struct intel_dp *intel_dp, u32
> > psr_iir);
> > void intel_psr_short_pulse(struct intel_dp *intel_dp);
> > -int intel_psr_wait_for_idle(const struct intel_crtc_state
> > *new_crtc_state,
> > - u32 *out_value);
> > +void intel_psr_wait_for_idle(const struct intel_crtc_state
> > *new_crtc_state);
> > bool intel_psr_enabled(struct intel_dp *intel_dp);
> > int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
> > struct intel_crtc *crtc);
> > -void intel_psr2_program_trans_man_trk_ctl(const struct
> > intel_crtc_state *crtc_state);
> > +void intel_psr2_program_trans_man_trk_ctl(struct intel_dp
> > *intel_dp,
> > + const struct intel_crtc_state
> > *crtc_state);
> > void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
> > const struct intel_crtc_state
> > *crtc_state,
> > const struct intel_plane_state
> > *plane_state,
> > diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c
> > b/drivers/gpu/drm/i915/display/intel_sprite.c
> > index b7e208816074..948234c60648 100644
> > --- a/drivers/gpu/drm/i915/display/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/display/intel_sprite.c
> > @@ -84,7 +84,6 @@ void intel_pipe_update_start(const struct
> > intel_crtc_state *new_crtc_state)
> > bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) ||
> > IS_CHERRYVIEW(dev_priv)) &&
> > intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI);
> > DEFINE_WAIT(wait);
> > - u32 psr_status;
> >
> > if (new_crtc_state->uapi.async_flip)
> > return;
> > @@ -109,10 +108,7 @@ void intel_pipe_update_start(const struct
> > intel_crtc_state *new_crtc_state)
> > * VBL interrupts will start the PSR exit and prevent a PSR
> > * re-entry as well.
> > */
> > - if (intel_psr_wait_for_idle(new_crtc_state, &psr_status))
> > - drm_err(&dev_priv->drm,
> > - "PSR idle timed out 0x%x, atomic update may
> > fail\n",
> > - psr_status);
> > + intel_psr_wait_for_idle(new_crtc_state);
> >
> > local_irq_disable();
> >
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h
> > b/drivers/gpu/drm/i915/i915_drv.h
> > index 5d04b282c060..a2e39e8adcbe 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -475,42 +475,6 @@ struct i915_drrs {
> > enum drrs_support_type type;
> > };
> >
> > -struct i915_psr {
> > - struct mutex lock;
> > -
> > -#define I915_PSR_DEBUG_MODE_MASK 0x0f
> > -#define I915_PSR_DEBUG_DEFAULT 0x00
> > -#define I915_PSR_DEBUG_DISABLE 0x01
> > -#define I915_PSR_DEBUG_ENABLE 0x02
> > -#define I915_PSR_DEBUG_FORCE_PSR1 0x03
> > -#define I915_PSR_DEBUG_IRQ 0x10
> > -
> > - u32 debug;
> > - bool sink_support;
> > - bool enabled;
> > - struct intel_dp *dp;
> > - enum pipe pipe;
> > - enum transcoder transcoder;
> > - bool active;
> > - struct work_struct work;
> > - unsigned busy_frontbuffer_bits;
> > - bool sink_psr2_support;
> > - bool link_standby;
> > - bool colorimetry_support;
> > - bool psr2_enabled;
> > - bool psr2_sel_fetch_enabled;
> > - u8 sink_sync_latency;
> > - ktime_t last_entry_attempt;
> > - ktime_t last_exit;
> > - bool sink_not_reliable;
> > - bool irq_aux_error;
> > - u16 su_x_granularity;
> > - bool dc3co_enabled;
> > - u32 dc3co_exit_delay;
> > - struct delayed_work dc3co_work;
> > - struct drm_dp_vsc_sdp vsc;
> > -};
> > -
> > #define QUIRK_LVDS_SSC_DISABLE (1<<1)
> > #define QUIRK_INVERT_BRIGHTNESS (1<<2)
> > #define QUIRK_BACKLIGHT_PRESENT (1<<3)
> > @@ -1041,8 +1005,6 @@ struct drm_i915_private {
> >
> > struct i915_power_domains power_domains;
> >
> > - struct i915_psr psr;
> > -
> > struct i915_gpu_error gpu_error;
> >
> > struct drm_i915_gem_object *vlv_pctx;
> > diff --git a/drivers/gpu/drm/i915/i915_irq.c
> > b/drivers/gpu/drm/i915/i915_irq.c
> > index b245109f73e3..b0aee47c7ad4 100644
> > --- a/drivers/gpu/drm/i915/i915_irq.c
> > +++ b/drivers/gpu/drm/i915/i915_irq.c
> > @@ -2057,10 +2057,22 @@ static void ivb_display_irq_handler(struct
> > drm_i915_private *dev_priv,
> > ivb_err_int_handler(dev_priv);
> >
> > if (de_iir & DE_EDP_PSR_INT_HSW) {
> > - u32 psr_iir = intel_uncore_read(&dev_priv->uncore,
> > EDP_PSR_IIR);
> > + struct intel_encoder *encoder;
> >
> > - intel_psr_irq_handler(dev_priv, psr_iir);
> > - intel_uncore_write(&dev_priv->uncore, EDP_PSR_IIR,
> > psr_iir);
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + struct intel_dp *intel_dp =
> > enc_to_intel_dp(encoder);
> > +
> > + if (encoder->type == INTEL_OUTPUT_EDP &&
> > + CAN_PSR(intel_dp)) {
> > + u32 psr_iir =
> > intel_uncore_read(&dev_priv->uncore,
> > + EDP_PSR
> > _IIR);
> > +
> > + intel_psr_irq_handler(intel_dp,
> > psr_iir);
> > + intel_uncore_write(&dev_priv->uncore,
> > + EDP_PSR_IIR,
> > psr_iir);
> > + break;
> > + }
> > + }
> > }
> >
> > if (de_iir & DE_AUX_CHANNEL_A_IVB)
> > @@ -2268,21 +2280,34 @@ gen8_de_misc_irq_handler(struct
> > drm_i915_private *dev_priv, u32 iir)
> > }
> >
> > if (iir & GEN8_DE_EDP_PSR) {
> > + struct intel_encoder *encoder;
> > u32 psr_iir;
> > i915_reg_t iir_reg;
> >
> > - if (INTEL_GEN(dev_priv) >= 12)
> > - iir_reg = TRANS_PSR_IIR(dev_priv-
> > >psr.transcoder);
> > - else
> > - iir_reg = EDP_PSR_IIR;
> > + for_each_intel_dp(&dev_priv->drm, encoder) {
> > + struct intel_dp *intel_dp =
> > enc_to_intel_dp(encoder);
> >
> > - psr_iir = intel_uncore_read(&dev_priv->uncore,
> > iir_reg);
> > - intel_uncore_write(&dev_priv->uncore, iir_reg,
> > psr_iir);
> > + if (INTEL_GEN(dev_priv) >= 12 &&
> > CAN_PSR(intel_dp)) {
> > + iir_reg = TRANS_PSR_IIR(intel_dp-
> > >psr.transcoder);
> > + } else if (encoder->type == INTEL_OUTPUT_EDP &&
> > + CAN_PSR(intel_dp)) {
> > + iir_reg = EDP_PSR_IIR;
> > + } else {
> > + continue;
> > + }
> > +
> > + psr_iir = intel_uncore_read(&dev_priv->uncore,
> > iir_reg);
> > + intel_uncore_write(&dev_priv->uncore, iir_reg,
> > psr_iir);
> > +
> > + if (psr_iir)
> > + found = true;
> >
> > - if (psr_iir)
> > - found = true;
> > + intel_psr_irq_handler(intel_dp, psr_iir);
> >
> > - intel_psr_irq_handler(dev_priv, psr_iir);
> > + /* prior GEN12 only have one EDP PSR */
> > + if (INTEL_GEN(dev_priv) < 12)
> > + break;
> > + }
> > }
> >
> > if (!found)
> > --
> > 2.25.0
> >
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