From: Jouni Högander Date: Tue, 15 Jul 2025 10:55:09 +0000 (+0300) Subject: drm/i915/psr: Add enable_panel_replay module parameter X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f9cc4616ba70681e0f10e6872d7372aaa479bb13;p=users%2Fwilly%2Fxarray.git drm/i915/psr: Add enable_panel_replay module parameter Add new module parameter enable_panel_replay. This can be used to enable/disable Panel Replay. 0=disabled, 1=enabled. -1=use per-chip default (default). Signed-off-by: Jouni Högander Reviewed-by: Rodrigo Vivi Link: https://lore.kernel.org/r/20250715105509.4146806-4-jouni.hogander@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_display_params.c b/drivers/gpu/drm/i915/display/intel_display_params.c index 75316247ee8a..2aed110c5b09 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.c +++ b/drivers/gpu/drm/i915/display/intel_display_params.c @@ -120,6 +120,9 @@ intel_display_param_named_unsafe(enable_psr, int, 0400, "(0=disabled, 1=enable up to PSR1, 2=enable up to PSR2) " "Default: -1 (use per-chip default)"); +intel_display_param_named_unsafe(enable_panel_replay, int, 0400, + "Enable Panel Replay (0=disabled, 1=enabled). Default: -1 (use per-chip default)"); + intel_display_param_named(psr_safest_params, bool, 0400, "Replace PSR VBT parameters by the safest and not optimal ones. This " "is helpful to detect if PSR issues are related to bad values set in " diff --git a/drivers/gpu/drm/i915/display/intel_display_params.h b/drivers/gpu/drm/i915/display/intel_display_params.h index 784e6bae8615..b01bc5700c52 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.h +++ b/drivers/gpu/drm/i915/display/intel_display_params.h @@ -46,6 +46,7 @@ struct drm_printer; param(bool, enable_dp_mst, true, 0600) \ param(int, enable_fbc, -1, 0600) \ param(int, enable_psr, -1, 0600) \ + param(int, enable_panel_replay, -1, 0600) \ param(bool, psr_safest_params, false, 0400) \ param(bool, enable_psr2_sel_fetch, true, 0400) \ param(int, enable_dmc_wl, -1, 0400) \ diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index ee1f9a240283..6bd3454bb00e 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -259,7 +259,10 @@ static bool sel_update_global_enabled(struct intel_dp *intel_dp) static bool panel_replay_global_enabled(struct intel_dp *intel_dp) { - return !(intel_dp->psr.debug & I915_PSR_DEBUG_PANEL_REPLAY_DISABLE); + struct intel_display *display = to_intel_display(intel_dp); + + return !(intel_dp->psr.debug & I915_PSR_DEBUG_PANEL_REPLAY_DISABLE) && + display->params.enable_panel_replay; } static u32 psr_irq_psr_error_bit_get(struct intel_dp *intel_dp)