Commit f9cc4616 authored by Jouni Högander's avatar Jouni Högander
Browse files

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: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250715105509.4146806-4-jouni.hogander@intel.com
parent 8b6c828b

drivers/gpu/drm/i915/display/intel_display_params.c

+3 −0
Original line number Diff line number Diff line
@@ -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 "

drivers/gpu/drm/i915/display/intel_display_params.h

+1 −0
Original line number Diff line number Diff line
@@ -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) \

drivers/gpu/drm/i915/display/intel_psr.c

+4 −1
Original line number Diff line number Diff line
@@ -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)