From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: [PATCH 2/2] drm/i915: provide module parameter description Date: Wed, 13 Jul 2011 14:38:18 -0700 Message-ID: <1310593098-20268-2-git-send-email-ben@bwidawsk.net> References: <1310593098-20268-1-git-send-email-ben@bwidawsk.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cloud01.chad-versace.us (184-106-247-128.static.cloud-ips.com [184.106.247.128]) by gabe.freedesktop.org (Postfix) with ESMTP id E94C0A0A74 for ; Wed, 13 Jul 2011 14:38:00 -0700 (PDT) In-Reply-To: <1310593098-20268-1-git-send-email-ben@bwidawsk.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_drv.c | 29 +++++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ef5cf03..ce045a8 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -39,39 +39,68 @@ static int i915_modeset __read_mostly = -1; module_param_named(modeset, i915_modeset, int, 0400); +MODULE_PARM_DESC(modeset, + "Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, " + "1=on, -1=force vga console preference [default])"); unsigned int i915_fbpercrtc __always_unused = 0; module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); int i915_panel_ignore_lid __read_mostly = 0; module_param_named(panel_ignore_lid, i915_panel_ignore_lid, int, 0600); +MODULE_PARM_DESC(panel_ignore_lid, + "Override lid status (0=autodetect [default], 1=lid open, " + "-1=lid closed)"); unsigned int i915_powersave __read_mostly = 1; module_param_named(powersave, i915_powersave, int, 0600); +MODULE_PARM_DESC(powersave, + "Enable powersavings, fbc, downclocking, etc. (default: true)"); unsigned int i915_semaphores __read_mostly = 0; module_param_named(semaphores, i915_semaphores, int, 0600); +MODULE_PARM_DESC(semaphores, + "Use semaphores for inter-ring sync (default: false)"); unsigned int i915_enable_rc6 __read_mostly = 0; module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); +MODULE_PARM_DESC(i915_enable_rc6, + "Enable power-saving render C-state 6 (default: true)"); unsigned int i915_enable_fbc __read_mostly = 1; module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); +MODULE_PARM_DESC(i915_enable_fbc, + "Enable frame buffer compression for power savings " + "(default: false)"); unsigned int i915_lvds_downclock __read_mostly = 0; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); +MODULE_PARM_DESC(lvds_downclock, + "Use panel (LVDS/eDP) downclocking for power savings " + "(default: false)"); unsigned int i915_panel_use_ssc __read_mostly = 1; module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600); +MODULE_PARM_DESC(lvds_use_ssc, + "Use Spread Spectrum Clock with panels [LVDS/eDP] " + "(default: true)"); int i915_vbt_sdvo_panel_type __read_mostly = -1; module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600); +MODULE_PARM_DESC(vbt_sdvo_panel_type, + "Override selection of SDVO panel mode in the VBT " + "(default: auto)"); static bool i915_try_reset __read_mostly = true; module_param_named(reset, i915_try_reset, bool, 0600); +MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)"); bool i915_enable_hangcheck __read_mostly = true; module_param_named(enable_hangcheck, i915_enable_hangcheck, bool, 0644); +MODULE_PARM_DESC(enable_hangcheck, + "Periodically check GPU activity for detecting hangs. " + "WARNING: Disabling this can cause system wide hangs. " + "(default: true)"); static struct drm_driver driver; extern int intel_agp_enabled; -- 1.7.6