diff options
| author | Mitul Golani <mitulkumar.ajitkumar.golani@intel.com> | 2025-12-23 16:15:39 +0530 |
|---|---|---|
| committer | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2025-12-30 10:02:21 +0530 |
| commit | 5786499a42e6baaf27f28b64d3e55fb6b289141d (patch) | |
| tree | a75a761c8838cf41a278e572038f8318f8d4f50f /drivers/gpu | |
| parent | 192bc98c6fcf8c602ceaf712dc0cd616ebd73f9d (diff) | |
drm/i915/display: Add function to configure event for dc balance
Configure pipe dmc event for dc balance enable/disable.
--v2:
- Keeping function and removing unnecessary comments. (Jani, Nikula)
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251223104542.2688548-18-mitulkumar.ajitkumar.golani@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vrr.c | 2 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index e076ba7e0f28..1182bc9a2e6d 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -859,6 +859,14 @@ static void dmc_configure_event(struct intel_display *display, dmc_id, num_handlers, event_id); } +void intel_dmc_configure_dc_balance_event(struct intel_display *display, + enum pipe pipe, bool enable) +{ + enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); + + dmc_configure_event(display, dmc_id, PIPEDMC_EVENT_ADAPTIVE_DCB_TRIGGER, enable); +} + /** * intel_dmc_block_pkgc() - block PKG C-state * @display: display instance diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h index 9c6a42fc820e..3d8a9a593319 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.h +++ b/drivers/gpu/drm/i915/display/intel_dmc.h @@ -25,6 +25,8 @@ void intel_dmc_enable_pipe(const struct intel_crtc_state *crtc_state); void intel_dmc_disable_pipe(const struct intel_crtc_state *crtc_state); void intel_dmc_block_pkgc(struct intel_display *display, enum pipe pipe, bool block); +void intel_dmc_configure_dc_balance_event(struct intel_display *display, + enum pipe pipe, bool enable); void intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(struct intel_display *display, enum pipe pipe, bool enable); void intel_dmc_fini(struct intel_display *display); diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index ac612cf08d98..1522ec3a98b8 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -823,6 +823,7 @@ intel_vrr_enable_dc_balancing(const struct intel_crtc_state *crtc_state) crtc_state->vrr.dc_balance.slope); intel_de_write(display, PIPEDMC_DCB_VBLANK(pipe), crtc_state->vrr.dc_balance.vblank_target); + intel_dmc_configure_dc_balance_event(display, pipe, true); intel_de_write(display, TRANS_ADAPTIVE_SYNC_DCB_CTL(cpu_transcoder), ADAPTIVE_SYNC_COUNTER_EN); intel_pipedmc_dcb_enable(NULL, crtc); @@ -840,6 +841,7 @@ intel_vrr_disable_dc_balancing(const struct intel_crtc_state *old_crtc_state) return; intel_pipedmc_dcb_disable(NULL, crtc); + intel_dmc_configure_dc_balance_event(display, pipe, false); intel_de_write(display, TRANS_ADAPTIVE_SYNC_DCB_CTL(cpu_transcoder), 0); intel_de_write(display, PIPEDMC_DCB_VMIN(pipe), 0); intel_de_write(display, PIPEDMC_DCB_VMAX(pipe), 0); |