diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-05-12 13:33:57 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-05-16 11:31:11 +0300 |
| commit | d9dd810dd404ecb7bdfd3294bfb8d932e6066e05 (patch) | |
| tree | 1e2f5f7ac0a2f744718fc003c950d1b8b4d9707c | |
| parent | 583710251f6380b973bc594d54bcf4c131c81805 (diff) | |
drm/i915/dmc: Extract is_event_handler()
Extract the helper to determine if the mmio reg+data are the
event handler register (DMC_EVT_CTL) for a specific event.
We'll have another use for this for runtime event handler
enable/disable.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250512103358.15724-7-ville.syrjala@linux.intel.com
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dmc.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 09a1933657c4..9ab3ac3c1658 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -567,6 +567,15 @@ static bool is_dmc_evt_htp_reg(struct intel_display *display, return offset >= start && offset < end; } +static bool is_event_handler(struct intel_display *display, + enum intel_dmc_id dmc_id, + unsigned int event_id, + i915_reg_t reg, u32 data) +{ + return is_dmc_evt_ctl_reg(display, dmc_id, reg) && + REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == event_id; +} + /** * intel_dmc_block_pkgc() - block PKG C-state * @display: display instance @@ -625,12 +634,12 @@ static bool disable_dmc_evt(struct intel_display *display, /* also disable the flip queue event on the main DMC on TGL */ if (display->platform.tigerlake && - REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == MAINDMC_EVENT_CLK_MSEC) + is_event_handler(display, dmc_id, MAINDMC_EVENT_CLK_MSEC, reg, data)) return true; /* also disable the HRR event on the main DMC on TGL/ADLS */ if ((display->platform.tigerlake || display->platform.alderlake_s) && - REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == MAINDMC_EVENT_VBLANK_A) + is_event_handler(display, dmc_id, MAINDMC_EVENT_VBLANK_A, reg, data)) return true; return false; |