diff --git a/drivers/gpu/drm/i915/display/intel_display_params.c b/drivers/gpu/drm/i915/display/intel_display_params.c index f92e4640a613..f0f388f38fa7 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.c +++ b/drivers/gpu/drm/i915/display/intel_display_params.c @@ -130,7 +130,7 @@ intel_display_param_named_unsafe(enable_psr2_sel_fetch, bool, 0400, intel_display_param_named_unsafe(enable_dmc_wl, int, 0400, "Enable DMC wakelock " - "(-1=use per-chip default, 0=disabled, 1=enabled) " + "(-1=use per-chip default, 0=disabled, 1=enabled, 2=match any register) " "Default: -1"); __maybe_unused diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c index af07eaa3a821..d442a150b327 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c +++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c @@ -56,6 +56,7 @@ enum { ENABLE_DMC_WL_DISABLED, ENABLE_DMC_WL_ENABLED, + ENABLE_DMC_WL_ANY_REGISTER, ENABLE_DMC_WL_MAX, }; @@ -239,10 +240,15 @@ static bool intel_dmc_wl_reg_in_range(i915_reg_t reg, return false; } -static bool intel_dmc_wl_check_range(i915_reg_t reg, u32 dc_state) +static bool intel_dmc_wl_check_range(struct intel_display *display, + i915_reg_t reg, + u32 dc_state) { const struct intel_dmc_wl_range *ranges; + if (display->params.enable_dmc_wl == ENABLE_DMC_WL_ANY_REGISTER) + return true; + /* * Check that the offset is in one of the ranges for which * registers are powered off during DC states. @@ -303,6 +309,9 @@ static void intel_dmc_wl_sanitize_param(struct intel_display *display) case ENABLE_DMC_WL_ENABLED: desc = "enabled"; break; + case ENABLE_DMC_WL_ANY_REGISTER: + desc = "match any register"; + break; default: desc = "unknown"; break; @@ -429,7 +438,8 @@ void intel_dmc_wl_get(struct intel_display *display, i915_reg_t reg) spin_lock_irqsave(&wl->lock, flags); - if (i915_mmio_reg_valid(reg) && !intel_dmc_wl_check_range(reg, wl->dc_state)) + if (i915_mmio_reg_valid(reg) && + !intel_dmc_wl_check_range(display, reg, wl->dc_state)) goto out_unlock; if (!wl->enabled) { @@ -461,7 +471,8 @@ void intel_dmc_wl_put(struct intel_display *display, i915_reg_t reg) spin_lock_irqsave(&wl->lock, flags); - if (i915_mmio_reg_valid(reg) && !intel_dmc_wl_check_range(reg, wl->dc_state)) + if (i915_mmio_reg_valid(reg) && + !intel_dmc_wl_check_range(display, reg, wl->dc_state)) goto out_unlock; if (WARN_RATELIMIT(!refcount_read(&wl->refcount),