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drm/i915: Module parameters using '-1' as default must be signed type

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Testing i915_panel_use_ssc for the default value was broken, so the
driver would never autodetect the correct value.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by:   Michel Alexandre Salim <salimma@fedoraproject.org>
Tested-by:     Michel Alexandre Salim <salimma@fedoraproject.org>
Cc: stable@kernel.org
This commit is contained in:
Keith Packard 2011-11-09 09:57:50 -08:00
parent 9ca1d10d74
commit 4415e63b13
2 changed files with 4 additions and 4 deletions
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4
drivers/gpu/drm/i915/i915_drv.c
View file

@ -67,7 +67,7 @@ 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;
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 "
@ -79,7 +79,7 @@ MODULE_PARM_DESC(lvds_downclock,
"Use panel (LVDS/eDP) downclocking for power savings "
"(default: false)");
unsigned int i915_panel_use_ssc __read_mostly = -1;
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] "

4
drivers/gpu/drm/i915/i915_drv.h
View file

@ -1000,10 +1000,10 @@ extern int i915_panel_ignore_lid __read_mostly;
extern unsigned int i915_powersave __read_mostly;
extern unsigned int i915_semaphores __read_mostly;
extern unsigned int i915_lvds_downclock __read_mostly;
extern unsigned int i915_panel_use_ssc __read_mostly;
extern int i915_panel_use_ssc __read_mostly;
extern int i915_vbt_sdvo_panel_type __read_mostly;
extern unsigned int i915_enable_rc6 __read_mostly;
extern unsigned int i915_enable_fbc __read_mostly;
extern int i915_enable_fbc __read_mostly;
extern bool i915_enable_hangcheck __read_mostly;
extern int i915_suspend(struct drm_device *dev, pm_message_t state);