Commit ff253d3d authored by Rafael J. Wysocki's avatar Rafael J. Wysocki

Merge branch 'acpi-video'

* acpi-video:
  ACPI / video: Add Acer TravelMate B113 to native backlight blacklist
  ACPI / video: Add Dell Inspiron 5737 to the blacklist
  ACPI / i915: ignore firmware requests for backlight change
parents 0b80a8ff ab7027de
...@@ -241,13 +241,14 @@ static bool acpi_video_use_native_backlight(void) ...@@ -241,13 +241,14 @@ static bool acpi_video_use_native_backlight(void)
return use_native_backlight_dmi; return use_native_backlight_dmi;
} }
static bool acpi_video_verify_backlight_support(void) bool acpi_video_verify_backlight_support(void)
{ {
if (acpi_osi_is_win8() && acpi_video_use_native_backlight() && if (acpi_osi_is_win8() && acpi_video_use_native_backlight() &&
backlight_device_registered(BACKLIGHT_RAW)) backlight_device_registered(BACKLIGHT_RAW))
return false; return false;
return acpi_video_backlight_support(); return acpi_video_backlight_support();
} }
EXPORT_SYMBOL_GPL(acpi_video_verify_backlight_support);
/* backlight device sysfs support */ /* backlight device sysfs support */
static int acpi_video_get_brightness(struct backlight_device *bd) static int acpi_video_get_brightness(struct backlight_device *bd)
...@@ -562,6 +563,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { ...@@ -562,6 +563,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-471G"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-471G"),
}, },
}, },
{
.callback = video_set_use_native_backlight,
.ident = "Acer TravelMate B113",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate B113"),
},
},
{ {
.callback = video_set_use_native_backlight, .callback = video_set_use_native_backlight,
.ident = "HP ProBook 4340s", .ident = "HP ProBook 4340s",
......
...@@ -166,6 +166,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { ...@@ -166,6 +166,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
}, },
}, },
{
.callback = video_detect_force_vendor,
.ident = "Dell Inspiron 5737",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"),
},
},
{ }, { },
}; };
......
...@@ -403,6 +403,15 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) ...@@ -403,6 +403,15 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);
/*
* If the acpi_video interface is not supposed to be used, don't
* bother processing backlight level change requests from firmware.
*/
if (!acpi_video_verify_backlight_support()) {
DRM_DEBUG_KMS("opregion backlight request ignored\n");
return 0;
}
if (!(bclp & ASLE_BCLP_VALID)) if (!(bclp & ASLE_BCLP_VALID))
return ASLC_BACKLIGHT_FAILED; return ASLC_BACKLIGHT_FAILED;
......
...@@ -22,6 +22,7 @@ extern void acpi_video_unregister(void); ...@@ -22,6 +22,7 @@ extern void acpi_video_unregister(void);
extern void acpi_video_unregister_backlight(void); extern void acpi_video_unregister_backlight(void);
extern int acpi_video_get_edid(struct acpi_device *device, int type, extern int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid); int device_id, void **edid);
extern bool acpi_video_verify_backlight_support(void);
#else #else
static inline int acpi_video_register(void) { return 0; } static inline int acpi_video_register(void) { return 0; }
static inline void acpi_video_unregister(void) { return; } static inline void acpi_video_unregister(void) { return; }
...@@ -31,6 +32,7 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type, ...@@ -31,6 +32,7 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type,
{ {
return -ENODEV; return -ENODEV;
} }
static inline bool acpi_video_verify_backlight_support(void) { return false; }
#endif #endif
#endif #endif
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