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drm/i915/dmc: Extract dmc_evt_ctl_disable()

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We have two copies of the code to generate the "disable this event"
value for the DMC_EVT_CTL registers. Extract to a helper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250512103358.15724-5-ville.syrjala@linux.intel.com
Reviewed-by: Luca Coelho <luciano.coeho@intel.com>
This commit is contained in:
Ville Syrjälä 2025-05-12 13:33:55 +03:00
parent 50a9875122
commit 4c47d656f8
1 changed files with 10 additions and 8 deletions
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18
drivers/gpu/drm/i915/display/intel_dmc.c
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@ -539,6 +539,14 @@ void intel_dmc_disable_pipe(struct intel_display *display, enum pipe pipe)
}
}
static u32 dmc_evt_ctl_disable(void)
{
return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
DMC_EVT_CTL_TYPE_EDGE_0_1) |
REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
DMC_EVENT_FALSE);
}
/**
* intel_dmc_block_pkgc() - block PKG C-state
* @display: display instance
@ -578,10 +586,7 @@ void intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(struct intel_display
REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
PIPEDMC_EVENT_VBLANK);
else
val = REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
DMC_EVENT_FALSE) |
REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
DMC_EVT_CTL_TYPE_EDGE_0_1);
val = dmc_evt_ctl_disable();
intel_de_write(display, MTL_PIPEDMC_EVT_CTL_4(pipe),
val);
@ -638,10 +643,7 @@ static u32 dmc_mmiodata(struct intel_display *display,
if (disable_dmc_evt(display, dmc_id,
dmc->dmc_info[dmc_id].mmioaddr[i],
dmc->dmc_info[dmc_id].mmiodata[i]))
return REG_FIELD_PREP(DMC_EVT_CTL_TYPE_MASK,
DMC_EVT_CTL_TYPE_EDGE_0_1) |
REG_FIELD_PREP(DMC_EVT_CTL_EVENT_ID_MASK,
DMC_EVENT_FALSE);
return dmc_evt_ctl_disable();
else
return dmc->dmc_info[dmc_id].mmiodata[i];
}