diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-12-23 16:15:37 +0530 |
|---|---|---|
| committer | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2025-12-30 10:02:20 +0530 |
| commit | 27a4250ca27a0995bbe66fc37c7f9bebc7a61744 (patch) | |
| tree | e9c925d9b0b3ab439bd023e01530d60afa7ee135 /drivers/gpu | |
| parent | c4aba65c26fdf15e00b4591b615f5f30ef33633d (diff) | |
drm/i915/dsb: Add pipedmc dc balance enable/disable
Add function to control DC balance enable/disable bit via DSB.
--v2:
Remove redundant forward declaration.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@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/20251223104542.2688548-16-mitulkumar.ajitkumar.golani@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.h | 3 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 2fb6fec6dc99..e076ba7e0f28 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -1755,3 +1755,20 @@ u32 intel_pipedmc_start_mmioaddr(struct intel_crtc *crtc) return dmc ? dmc->dmc_info[dmc_id].start_mmioaddr : 0; } + +void intel_pipedmc_dcb_enable(struct intel_dsb *dsb, struct intel_crtc *crtc) +{ + struct intel_display *display = to_intel_display(crtc); + enum pipe pipe = crtc->pipe; + + intel_de_write_dsb(display, dsb, PIPEDMC_DCB_CTL(pipe), + PIPEDMC_ADAPTIVE_DCB_ENABLE); +} + +void intel_pipedmc_dcb_disable(struct intel_dsb *dsb, struct intel_crtc *crtc) +{ + struct intel_display *display = to_intel_display(crtc); + enum pipe pipe = crtc->pipe; + + intel_de_write_dsb(display, dsb, PIPEDMC_DCB_CTL(pipe), 0); +} diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h index 40e9dcb033cc..9c6a42fc820e 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.h +++ b/drivers/gpu/drm/i915/display/intel_dmc.h @@ -15,6 +15,7 @@ struct intel_crtc; struct intel_crtc_state; struct intel_display; struct intel_dmc_snapshot; +struct intel_dsb; void intel_dmc_init(struct intel_display *display); void intel_dmc_load_program(struct intel_display *display); @@ -39,6 +40,8 @@ void intel_dmc_update_dc6_allowed_count(struct intel_display *display, bool star void assert_main_dmc_loaded(struct intel_display *display); void intel_pipedmc_irq_handler(struct intel_display *display, enum pipe pipe); +void intel_pipedmc_dcb_enable(struct intel_dsb *dsb, struct intel_crtc *crtc); +void intel_pipedmc_dcb_disable(struct intel_dsb *dsb, struct intel_crtc *crtc); u32 intel_pipedmc_start_mmioaddr(struct intel_crtc *crtc); void intel_pipedmc_enable_event(struct intel_crtc *crtc, |