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Rev 4560 Rev 5060
Line 25... Line 25...
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 *
 25 
 *
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 */
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 */
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 27 
 
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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 - 
 
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//#include
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31 
//#include
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//#include
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#include
30 
#include
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 31 
#include
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 32 
 
36 
#include
33 
#include
Line 227... Line 224...
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#define ACPI_VGA_OUTPUT (1<<8)
 224 
#define ACPI_VGA_OUTPUT (1<<8)
228 
#define ACPI_TV_OUTPUT (2<<8)
 225 
#define ACPI_TV_OUTPUT (2<<8)
229 
#define ACPI_DIGITAL_OUTPUT (3<<8)
 226 
#define ACPI_DIGITAL_OUTPUT (3<<8)
230 
#define ACPI_LVDS_OUTPUT (4<<8)
 227 
#define ACPI_LVDS_OUTPUT (4<<8)
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 228 
 
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 229 
#define MAX_DSLP	1500
231 
 
 230 
 
232 
#ifdef CONFIG_ACPI
 231 
#ifdef CONFIG_ACPI
233 
static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out)
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static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out)
234 
{
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{
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	struct drm_i915_private *dev_priv = dev->dev_private;
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	struct drm_i915_private *dev_priv = dev->dev_private;
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	dslp = ioread32(&swsci->dslp);
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	dslp = ioread32(&swsci->dslp);
262 
	if (!dslp) {
 261 
	if (!dslp) {
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		/* The spec says 2ms should be the default, but it's too small
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		/* The spec says 2ms should be the default, but it's too small
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		 * for some machines. */
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		 * for some machines. */
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		dslp = 50;
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		dslp = 50;
266 
	} else if (dslp > 500) {
 265 
	} else if (dslp > MAX_DSLP) {
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		/* Hey bios, trust must be earned. */
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		/* Hey bios, trust must be earned. */
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		WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp);
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		DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, "
- 
 
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			      "using %u ms instead\n", dslp, MAX_DSLP);
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		dslp = 500;
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		dslp = MAX_DSLP;
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	}
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	}
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 271 
 
272 
	/* The spec tells us to do this, but we are the only user... */
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	/* The spec tells us to do this, but we are the only user... */
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	scic = ioread32(&swsci->scic);
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	scic = ioread32(&swsci->scic);
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		type = DISPLAY_TYPE_CRT;
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		type = DISPLAY_TYPE_CRT;
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		break;
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		break;
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	case INTEL_OUTPUT_UNKNOWN:
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	case INTEL_OUTPUT_UNKNOWN:
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	case INTEL_OUTPUT_DISPLAYPORT:
 353 
	case INTEL_OUTPUT_DISPLAYPORT:
354 
	case INTEL_OUTPUT_HDMI:
 354 
	case INTEL_OUTPUT_HDMI:
- 
 
 355 
	case INTEL_OUTPUT_DP_MST:
355 
		type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL;
 356 
		type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL;
356 
		break;
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		break;
357 
	case INTEL_OUTPUT_EDP:
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	case INTEL_OUTPUT_EDP:
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		type = DISPLAY_TYPE_INTERNAL_FLAT_PANEL;
 359 
		type = DISPLAY_TYPE_INTERNAL_FLAT_PANEL;
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		break;
 360 
		break;
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	struct intel_connector *intel_connector;
 402 
	struct intel_connector *intel_connector;
402 
	struct opregion_asle __iomem *asle = dev_priv->opregion.asle;
 403 
	struct opregion_asle __iomem *asle = dev_priv->opregion.asle;
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 404 
 
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 405 
	DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);
- 
 
 406 
 
- 
 
 407 
	/*
- 
 
 408 
	 * If the acpi_video interface is not supposed to be used, don't
- 
 
 409 
	 * bother processing backlight level change requests from firmware.
- 
 
 410 
	 */
- 
 
 411 
	if (!acpi_video_verify_backlight_support()) {
- 
 
 412 
		DRM_DEBUG_KMS("opregion backlight request ignored\n");
- 
 
 413 
		return 0;
404 
	DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);
 414 
	}
405 
 
 415 
 
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	if (!(bclp & ASLE_BCLP_VALID))
 416 
	if (!(bclp & ASLE_BCLP_VALID))
407 
		return ASLC_BACKLIGHT_FAILED;
 417 
		return ASLC_BACKLIGHT_FAILED;
408 
 
 418 
 
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409 
	bclp &= ASLE_BCLP_MSK;
 419 
	bclp &= ASLE_BCLP_MSK;
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	if (bclp > 255)
 420 
	if (bclp > 255)
411 
		return ASLC_BACKLIGHT_FAILED;
 421 
		return ASLC_BACKLIGHT_FAILED;
412 
 
 422 
 
413 
	mutex_lock(&dev->mode_config.mutex);
 423 
	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
414 
 
 424 
 
415 
	/*
 425 
	/*
416 
	 * Update backlight on all connectors that support backlight (usually
 426 
	 * Update backlight on all connectors that support backlight (usually
417 
	 * only one).
 427 
	 * only one).
Line 418... Line 428...
418 
	 */
 428 
	 */
Line 419... Line 429...
419 
	DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
 429 
	DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
420 
	list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head)
 430 
	list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head)
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853 
	if (asls == 0) {
 863 
	if (asls == 0) {
854 
		DRM_DEBUG_DRIVER("ACPI OpRegion not supported!\n");
 864 
		DRM_DEBUG_DRIVER("ACPI OpRegion not supported!\n");
855 
		return -ENOTSUPP;
 865 
		return -ENOTSUPP;
856 
	}
 866 
	}
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 867 
 
- 
 
 868 
#ifdef CONFIG_ACPI
- 
 
 869 
	INIT_WORK(&opregion->asle_work, asle_work);
- 
 
 870 
#endif
857 
 
 871 
 
858 
    base = ioremap(asls, OPREGION_SIZE);
 872 
	base = acpi_os_ioremap(asls, OPREGION_SIZE);
859 
	if (!base)
 873 
	if (!base)
Line 860... Line 874...
860 
		return -ENOMEM;
 874 
		return -ENOMEM;
Line 861... Line 875...
861 
 
 875 
 
862 
	memcpy(buf, base, sizeof(buf));
 876 
	memcpy_fromio(buf, base, sizeof(buf));
863 
 
 877 
 
864 
	if (memcmp(buf, OPREGION_SIGNATURE, 16)) {
 878 
	if (memcmp(buf, OPREGION_SIGNATURE, 16)) {