[Intel-gfx] [PATCH 1/2] drm/i915: module parameter descriptions

[Ben Widawsky]

Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_drv.c |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index b54f7d9..7164650 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -39,39 +39,63 @@
 
 static int i915_modeset = -1;
 module_param_named(modeset, i915_modeset, int, 0400);
+MODULE_PARM_DESC(modeset, "Use kernel modesetting (KMS) "
+		 "(0=use DRM_I915_KMS from .config "
+		 "1=on "
+		 "-1=force vga console prio boost [default])");
 
 unsigned int i915_fbpercrtc = 0;
 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
 
 int i915_panel_ignore_lid = 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], >0=lid open, <0=lid closed)");
 
 unsigned int i915_powersave = 1;
 module_param_named(powersave, i915_powersave, int, 0600);
+MODULE_PARM_DESC(powersave, "Powersaving features, fbc, downclocking, etc. "
+		 "(0=off, !0=on [default)");
 
 unsigned int i915_semaphores = 0;
 module_param_named(semaphores, i915_semaphores, int, 0600);
+MODULE_PARM_DESC(semaphores, "Use semaphores for inter-ring synchronization "
+		 "(0=off [default], !0=on)");
 
 unsigned int i915_enable_rc6 = 1;
 module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+MODULE_PARM_DESC(i915_enable_rc6,
+		 "Enable render C-state 6 (0=off, !0=on [default])");
 
 unsigned int i915_enable_fbc = 0;
 module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
+MODULE_PARM_DESC(i915_enable_fbc,
+		 "Enable frame buffer compression for power savings "
+		 "(0=off [default], !0=on)");
 
 unsigned int i915_lvds_downclock = 0;
 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
+MODULE_PARM_DESC(lvds_downclock,
+		 "LVDS downclocking for power savings(0=off [default], !0=on)");
 
 unsigned int i915_panel_use_ssc = 1;
 module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
+MODULE_PARM_DESC(lvds_use_ssc,
+		 "LVDS Spread Spectrum Clock (0=off, !0=on [default])");
 
 int i915_vbt_sdvo_panel_type = -1;
 module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600);
+MODULE_PARM_DESC(vbt_sdvo_panel_type,
+		 "SDVO panel type override (Default: auto)");
 
 static bool i915_try_reset = true;
 module_param_named(reset, i915_try_reset, bool, 0600);
+MODULE_PARM_DESC(reset, "Attempt GPU resets (Default: true)");
 
 bool i915_enable_hangcheck = true;
 module_param_named(enable_hangcheck, i915_enable_hangcheck, bool, 0644);
+MODULE_PARM_DESC(enable_hangcheck,
+		 "Enable hanghceck triggered reset (Default: true)");
 
 static struct drm_driver driver;
 extern int intel_agp_enabled;
-- 
1.7.6