diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2024-01-30 13:11:30 +0200 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2024-02-07 09:58:04 +0200 |
| commit | 449c2d5948ba8c784dcbc5c67df1d8c54748caa4 (patch) | |
| tree | 269985d3928848a82ec2e3cfcbbee6cc82355d2a | |
| parent | 29f3067a236ac55f245ea8f23712a0d240cf1f30 (diff) | |
drm/i915/alpm: Alpm aux wake configuration for lnldrm-intel-next-2024-02-07
Lunarlake has some configurations in ALPM_CTL register for legacy ALPM as
well. Write these.
Bspec: 71477
v2: move version check to lnl_alpm_configure
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240130111130.3298779-5-jouni.hogander@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 7aedda0ca2d2..72cadad09db5 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1554,6 +1554,21 @@ static void wm_optimization_wa(struct intel_dp *intel_dp, wa_16013835468_bit_get(intel_dp), 0); } +static void lnl_alpm_configure(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + enum transcoder cpu_transcoder = intel_dp->psr.transcoder; + struct intel_psr *psr = &intel_dp->psr; + + if (DISPLAY_VER(dev_priv) < 20) + return; + + intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), + ALPM_CTL_EXTENDED_FAST_WAKE_ENABLE | + ALPM_CTL_ALPM_ENTRY_CHECK(psr->alpm_parameters.check_entry_lines) | + ALPM_CTL_EXTENDED_FAST_WAKE_TIME(psr->alpm_parameters.fast_wake_lines)); +} + static void intel_psr_enable_source(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { @@ -1619,6 +1634,8 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, intel_dp->psr.psr2_sel_fetch_enabled ? IGNORE_PSR2_HW_TRACKING : 0); + lnl_alpm_configure(intel_dp); + /* * Wa_16013835468 * Wa_14015648006 |