| Message ID | 20241010053316.1580527-7-jouni.hogander@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Use trans push mechanism to generate frame change event | expand |
On Thu, 10 Oct 2024, Jouni Högander <jouni.hogander@intel.com> wrote: > Add own interface for PSR usage to perform push on frontbuffer tracking > invalidate and flush call backs. Use this new interface from PSR code. > > Signed-off-by: Jouni Högander <jouni.hogander@intel.com> > --- > drivers/gpu/drm/i915/display/intel_psr.c | 7 ++++++- > drivers/gpu/drm/i915/display/intel_vrr.c | 18 ++++++++++++++++++ > drivers/gpu/drm/i915/display/intel_vrr.h | 4 ++++ > 3 files changed, 28 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c > index 5be8076475f0b..7959a33771b13 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.c > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > @@ -2326,8 +2326,13 @@ static void psr_force_exit(struct intel_dp *intel_dp) > * This workaround do not exist for platforms with display 10 or newer > * but testing proved that it works for up display 13, for newer > * than that testing will be needed. > + * > + * In Lunarlake we can use TRANS_PUSH mechanism to force sending update > + * to sink. > */ > - intel_de_write(display, CURSURFLIVE(display, intel_dp->psr.pipe), 0); > + DISPLAY_VER(display) >= 20 ? > + intel_vrr_psr_send_push(display, cpu_transcoder) : > + intel_de_write(display, CURSURFLIVE(display, intel_dp->psr.pipe), 0); > } > > void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state) > diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c > index 5925ade4591d4..d51830d173b61 100644 > --- a/drivers/gpu/drm/i915/display/intel_vrr.c > +++ b/drivers/gpu/drm/i915/display/intel_vrr.c > @@ -328,6 +328,24 @@ void intel_vrr_send_push(const struct intel_crtc_state *crtc_state) > trans_push_val); > } > > +/** > + * intel_vrr_psr_send_push - Send push interface for PSR code > + * @display: Intel display > + * @cpu_transcoder: cpu_transcode > + * > + * This is for PSR usage to perform push on frontbuffer tracking invalidate and > + * flush call back. PSR mutex should be taken by caller. > + */ > +void intel_vrr_psr_send_push(struct intel_display *display, > + enum transcoder cpu_transcoder) > +{ > + if (DISPLAY_VER(display) < 20) > + return; > + > + intel_de_rmw(display, TRANS_PUSH(display, cpu_transcoder), 0, > + TRANS_PUSH_SEND | LNL_TRANS_PUSH_PSR_PR_EN); > +} > + > bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state) > { > struct intel_display *display = to_intel_display(crtc_state); > diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h > index a75f159168c11..3da7ba12697ff 100644 > --- a/drivers/gpu/drm/i915/display/intel_vrr.h > +++ b/drivers/gpu/drm/i915/display/intel_vrr.h > @@ -12,6 +12,8 @@ struct drm_connector_state; > struct intel_atomic_state; > struct intel_connector; > struct intel_crtc_state; > +struct intel_display; > +enum transcoder; > > bool intel_vrr_is_capable(struct intel_connector *connector); > bool intel_vrr_is_in_range(struct intel_connector *connector, int vrefresh); > @@ -25,6 +27,8 @@ bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state); > void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state); > void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state); > void intel_vrr_psr_frame_change_disable(const struct intel_crtc_state *crtc_state); > +void intel_vrr_psr_send_push(struct intel_display *display, > + enum transcoder cpu_transcoder); Nitpick, why not just make that parameter crtc_state like for all the other functions? BR, Jani. > void intel_vrr_get_config(struct intel_crtc_state *crtc_state); > int intel_vrr_vmax_vblank_start(const struct intel_crtc_state *crtc_state); > int intel_vrr_vmin_vblank_start(const struct intel_crtc_state *crtc_state);
On Thu, 2024-10-10 at 11:03 +0300, Jani Nikula wrote: > On Thu, 10 Oct 2024, Jouni Högander <jouni.hogander@intel.com> wrote: > > Add own interface for PSR usage to perform push on frontbuffer > > tracking > > invalidate and flush call backs. Use this new interface from PSR > > code. > > > > Signed-off-by: Jouni Högander <jouni.hogander@intel.com> > > --- > > drivers/gpu/drm/i915/display/intel_psr.c | 7 ++++++- > > drivers/gpu/drm/i915/display/intel_vrr.c | 18 ++++++++++++++++++ > > drivers/gpu/drm/i915/display/intel_vrr.h | 4 ++++ > > 3 files changed, 28 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c > > b/drivers/gpu/drm/i915/display/intel_psr.c > > index 5be8076475f0b..7959a33771b13 100644 > > --- a/drivers/gpu/drm/i915/display/intel_psr.c > > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > > @@ -2326,8 +2326,13 @@ static void psr_force_exit(struct intel_dp > > *intel_dp) > > * This workaround do not exist for platforms with display > > 10 or newer > > * but testing proved that it works for up display 13, for > > newer > > * than that testing will be needed. > > + * > > + * In Lunarlake we can use TRANS_PUSH mechanism to force > > sending update > > + * to sink. > > */ > > - intel_de_write(display, CURSURFLIVE(display, intel_dp- > > >psr.pipe), 0); > > + DISPLAY_VER(display) >= 20 ? > > + intel_vrr_psr_send_push(display, cpu_transcoder) : > > + intel_de_write(display, CURSURFLIVE(display, > > intel_dp->psr.pipe), 0); > > } > > > > void intel_psr2_program_trans_man_trk_ctl(const struct > > intel_crtc_state *crtc_state) > > diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c > > b/drivers/gpu/drm/i915/display/intel_vrr.c > > index 5925ade4591d4..d51830d173b61 100644 > > --- a/drivers/gpu/drm/i915/display/intel_vrr.c > > +++ b/drivers/gpu/drm/i915/display/intel_vrr.c > > @@ -328,6 +328,24 @@ void intel_vrr_send_push(const struct > > intel_crtc_state *crtc_state) > > trans_push_val); > > } > > > > +/** > > + * intel_vrr_psr_send_push - Send push interface for PSR code > > + * @display: Intel display > > + * @cpu_transcoder: cpu_transcode > > + * > > + * This is for PSR usage to perform push on frontbuffer tracking > > invalidate and > > + * flush call back. PSR mutex should be taken by caller. > > + */ > > +void intel_vrr_psr_send_push(struct intel_display *display, > > + enum transcoder cpu_transcoder) > > +{ > > + if (DISPLAY_VER(display) < 20) > > + return; > > + > > + intel_de_rmw(display, TRANS_PUSH(display, cpu_transcoder), > > 0, > > + TRANS_PUSH_SEND | LNL_TRANS_PUSH_PSR_PR_EN); > > +} > > + > > bool intel_vrr_is_push_sent(const struct intel_crtc_state > > *crtc_state) > > { > > struct intel_display *display = > > to_intel_display(crtc_state); > > diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h > > b/drivers/gpu/drm/i915/display/intel_vrr.h > > index a75f159168c11..3da7ba12697ff 100644 > > --- a/drivers/gpu/drm/i915/display/intel_vrr.h > > +++ b/drivers/gpu/drm/i915/display/intel_vrr.h > > @@ -12,6 +12,8 @@ struct drm_connector_state; > > struct intel_atomic_state; > > struct intel_connector; > > struct intel_crtc_state; > > +struct intel_display; > > +enum transcoder; > > > > bool intel_vrr_is_capable(struct intel_connector *connector); > > bool intel_vrr_is_in_range(struct intel_connector *connector, int > > vrefresh); > > @@ -25,6 +27,8 @@ bool intel_vrr_is_push_sent(const struct > > intel_crtc_state *crtc_state); > > void intel_vrr_disable(const struct intel_crtc_state > > *old_crtc_state); > > void intel_vrr_psr_frame_change_enable(const struct > > intel_crtc_state *crtc_state); > > void intel_vrr_psr_frame_change_disable(const struct > > intel_crtc_state *crtc_state); > > +void intel_vrr_psr_send_push(struct intel_display *display, > > + enum transcoder cpu_transcoder); > > Nitpick, why not just make that parameter crtc_state like for all the > other functions? This is about to be used from frontbuffer flush/invalidate path as well. There we do not have crtc_state directly. I'll guess we could use current state of crtc. Do you think that would be better? BR, Jouni Högander > > BR, > Jani. > > > void intel_vrr_get_config(struct intel_crtc_state *crtc_state); > > int intel_vrr_vmax_vblank_start(const struct intel_crtc_state > > *crtc_state); > > int intel_vrr_vmin_vblank_start(const struct intel_crtc_state > > *crtc_state); >
On Thu, 10 Oct 2024, "Hogander, Jouni" <jouni.hogander@intel.com> wrote: > On Thu, 2024-10-10 at 11:03 +0300, Jani Nikula wrote: >> On Thu, 10 Oct 2024, Jouni Högander <jouni.hogander@intel.com> wrote: >> > Add own interface for PSR usage to perform push on frontbuffer >> > tracking >> > invalidate and flush call backs. Use this new interface from PSR >> > code. >> > >> > Signed-off-by: Jouni Högander <jouni.hogander@intel.com> >> > --- >> > drivers/gpu/drm/i915/display/intel_psr.c | 7 ++++++- >> > drivers/gpu/drm/i915/display/intel_vrr.c | 18 ++++++++++++++++++ >> > drivers/gpu/drm/i915/display/intel_vrr.h | 4 ++++ >> > 3 files changed, 28 insertions(+), 1 deletion(-) >> > >> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c >> > b/drivers/gpu/drm/i915/display/intel_psr.c >> > index 5be8076475f0b..7959a33771b13 100644 >> > --- a/drivers/gpu/drm/i915/display/intel_psr.c >> > +++ b/drivers/gpu/drm/i915/display/intel_psr.c >> > @@ -2326,8 +2326,13 @@ static void psr_force_exit(struct intel_dp >> > *intel_dp) >> > * This workaround do not exist for platforms with display >> > 10 or newer >> > * but testing proved that it works for up display 13, for >> > newer >> > * than that testing will be needed. >> > + * >> > + * In Lunarlake we can use TRANS_PUSH mechanism to force >> > sending update >> > + * to sink. >> > */ >> > - intel_de_write(display, CURSURFLIVE(display, intel_dp- >> > >psr.pipe), 0); >> > + DISPLAY_VER(display) >= 20 ? >> > + intel_vrr_psr_send_push(display, cpu_transcoder) : >> > + intel_de_write(display, CURSURFLIVE(display, >> > intel_dp->psr.pipe), 0); >> > } >> > >> > void intel_psr2_program_trans_man_trk_ctl(const struct >> > intel_crtc_state *crtc_state) >> > diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c >> > b/drivers/gpu/drm/i915/display/intel_vrr.c >> > index 5925ade4591d4..d51830d173b61 100644 >> > --- a/drivers/gpu/drm/i915/display/intel_vrr.c >> > +++ b/drivers/gpu/drm/i915/display/intel_vrr.c >> > @@ -328,6 +328,24 @@ void intel_vrr_send_push(const struct >> > intel_crtc_state *crtc_state) >> > trans_push_val); >> > } >> > >> > +/** >> > + * intel_vrr_psr_send_push - Send push interface for PSR code >> > + * @display: Intel display >> > + * @cpu_transcoder: cpu_transcode >> > + * >> > + * This is for PSR usage to perform push on frontbuffer tracking >> > invalidate and >> > + * flush call back. PSR mutex should be taken by caller. >> > + */ >> > +void intel_vrr_psr_send_push(struct intel_display *display, >> > + enum transcoder cpu_transcoder) >> > +{ >> > + if (DISPLAY_VER(display) < 20) >> > + return; >> > + >> > + intel_de_rmw(display, TRANS_PUSH(display, cpu_transcoder), >> > 0, >> > + TRANS_PUSH_SEND | LNL_TRANS_PUSH_PSR_PR_EN); >> > +} >> > + >> > bool intel_vrr_is_push_sent(const struct intel_crtc_state >> > *crtc_state) >> > { >> > struct intel_display *display = >> > to_intel_display(crtc_state); >> > diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h >> > b/drivers/gpu/drm/i915/display/intel_vrr.h >> > index a75f159168c11..3da7ba12697ff 100644 >> > --- a/drivers/gpu/drm/i915/display/intel_vrr.h >> > +++ b/drivers/gpu/drm/i915/display/intel_vrr.h >> > @@ -12,6 +12,8 @@ struct drm_connector_state; >> > struct intel_atomic_state; >> > struct intel_connector; >> > struct intel_crtc_state; >> > +struct intel_display; >> > +enum transcoder; >> > >> > bool intel_vrr_is_capable(struct intel_connector *connector); >> > bool intel_vrr_is_in_range(struct intel_connector *connector, int >> > vrefresh); >> > @@ -25,6 +27,8 @@ bool intel_vrr_is_push_sent(const struct >> > intel_crtc_state *crtc_state); >> > void intel_vrr_disable(const struct intel_crtc_state >> > *old_crtc_state); >> > void intel_vrr_psr_frame_change_enable(const struct >> > intel_crtc_state *crtc_state); >> > void intel_vrr_psr_frame_change_disable(const struct >> > intel_crtc_state *crtc_state); >> > +void intel_vrr_psr_send_push(struct intel_display *display, >> > + enum transcoder cpu_transcoder); >> >> Nitpick, why not just make that parameter crtc_state like for all the >> other functions? > > This is about to be used from frontbuffer flush/invalidate path as > well. There we do not have crtc_state directly. I'll guess we could use > current state of crtc. Do you think that would be better? I wasn't aware of the potential future use. Just stick with this, at least for now. BR, Jani. > > BR, > > Jouni Högander > >> >> BR, >> Jani. >> >> > void intel_vrr_get_config(struct intel_crtc_state *crtc_state); >> > int intel_vrr_vmax_vblank_start(const struct intel_crtc_state >> > *crtc_state); >> > int intel_vrr_vmin_vblank_start(const struct intel_crtc_state >> > *crtc_state); >> >
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 5be8076475f0b..7959a33771b13 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -2326,8 +2326,13 @@ static void psr_force_exit(struct intel_dp *intel_dp) * This workaround do not exist for platforms with display 10 or newer * but testing proved that it works for up display 13, for newer * than that testing will be needed. + * + * In Lunarlake we can use TRANS_PUSH mechanism to force sending update + * to sink. */ - intel_de_write(display, CURSURFLIVE(display, intel_dp->psr.pipe), 0); + DISPLAY_VER(display) >= 20 ? + intel_vrr_psr_send_push(display, cpu_transcoder) : + intel_de_write(display, CURSURFLIVE(display, intel_dp->psr.pipe), 0); } void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state) diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 5925ade4591d4..d51830d173b61 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -328,6 +328,24 @@ void intel_vrr_send_push(const struct intel_crtc_state *crtc_state) trans_push_val); } +/** + * intel_vrr_psr_send_push - Send push interface for PSR code + * @display: Intel display + * @cpu_transcoder: cpu_transcode + * + * This is for PSR usage to perform push on frontbuffer tracking invalidate and + * flush call back. PSR mutex should be taken by caller. + */ +void intel_vrr_psr_send_push(struct intel_display *display, + enum transcoder cpu_transcoder) +{ + if (DISPLAY_VER(display) < 20) + return; + + intel_de_rmw(display, TRANS_PUSH(display, cpu_transcoder), 0, + TRANS_PUSH_SEND | LNL_TRANS_PUSH_PSR_PR_EN); +} + bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state) { struct intel_display *display = to_intel_display(crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h index a75f159168c11..3da7ba12697ff 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.h +++ b/drivers/gpu/drm/i915/display/intel_vrr.h @@ -12,6 +12,8 @@ struct drm_connector_state; struct intel_atomic_state; struct intel_connector; struct intel_crtc_state; +struct intel_display; +enum transcoder; bool intel_vrr_is_capable(struct intel_connector *connector); bool intel_vrr_is_in_range(struct intel_connector *connector, int vrefresh); @@ -25,6 +27,8 @@ bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state); void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state); void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state); void intel_vrr_psr_frame_change_disable(const struct intel_crtc_state *crtc_state); +void intel_vrr_psr_send_push(struct intel_display *display, + enum transcoder cpu_transcoder); void intel_vrr_get_config(struct intel_crtc_state *crtc_state); int intel_vrr_vmax_vblank_start(const struct intel_crtc_state *crtc_state); int intel_vrr_vmin_vblank_start(const struct intel_crtc_state *crtc_state);
Add own interface for PSR usage to perform push on frontbuffer tracking invalidate and flush call backs. Use this new interface from PSR code. Signed-off-by: Jouni Högander <jouni.hogander@intel.com> --- drivers/gpu/drm/i915/display/intel_psr.c | 7 ++++++- drivers/gpu/drm/i915/display/intel_vrr.c | 18 ++++++++++++++++++ drivers/gpu/drm/i915/display/intel_vrr.h | 4 ++++ 3 files changed, 28 insertions(+), 1 deletion(-)