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Message-ID: <20110616160854.6039.59867.stgit@localhost.localdomain>
Date: Thu, 16 Jun 2011 17:09:01 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: greg@...ah.com, linux-kernel@...r.kernel.org
Subject: [PATCH 09/29] gma500: polish for completion of this phase
From: Alan Cox <alan@...ux.intel.com>
Give the driver its own proper DRM name, clean up copyright headers and so
forth
Signed-off-by: Alan Cox <alan@...ux.intel.com>
---
drivers/staging/gma500/mrst_crtc.c | 4 +
drivers/staging/gma500/mrst_lvds.c | 2 -
drivers/staging/gma500/psb_2d.c | 7 --
drivers/staging/gma500/psb_bl.c | 4 +
drivers/staging/gma500/psb_drm.h | 90 +-------------------------------
drivers/staging/gma500/psb_drv.c | 4 +
drivers/staging/gma500/psb_drv.h | 85 +++++++++++++++---------------
drivers/staging/gma500/psb_fb.c | 3 -
drivers/staging/gma500/psb_fb.h | 3 -
drivers/staging/gma500/psb_gtt.h | 7 +-
drivers/staging/gma500/psb_intel_drv.h | 19 +------
drivers/staging/gma500/psb_irq.h | 8 +--
drivers/staging/gma500/psb_powermgmt.c | 4 +
drivers/staging/gma500/psb_powermgmt.h | 2 -
drivers/staging/gma500/psb_reg.h | 2 -
15 files changed, 67 insertions(+), 177 deletions(-)
diff --git a/drivers/staging/gma500/mrst_crtc.c b/drivers/staging/gma500/mrst_crtc.c
index e4a0c03..fd97c80 100644
--- a/drivers/staging/gma500/mrst_crtc.c
+++ b/drivers/staging/gma500/mrst_crtc.c
@@ -86,7 +86,7 @@ static const struct mrst_limit_t *mrst_limit(struct drm_crtc *crtc)
{
const struct mrst_limit_t *limit = NULL;
struct drm_device *dev = crtc->dev;
- DRM_DRIVER_PRIVATE_T *dev_priv = dev->dev_private;
+ struct drm_psb_private *dev_priv = dev->dev_private;
if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
|| psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) {
@@ -296,7 +296,7 @@ static int mrst_crtc_mode_set(struct drm_crtc *crtc,
{
struct drm_device *dev = crtc->dev;
struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
- DRM_DRIVER_PRIVATE_T *dev_priv = dev->dev_private;
+ struct drm_psb_private *dev_priv = dev->dev_private;
int pipe = psb_intel_crtc->pipe;
int fp_reg = (pipe == 0) ? MRST_FPA0 : FPB0;
int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c
index 4a08b74..22ea00e 100644
--- a/drivers/staging/gma500/mrst_lvds.c
+++ b/drivers/staging/gma500/mrst_lvds.c
@@ -46,7 +46,7 @@ static void mrst_lvds_set_power(struct drm_device *dev,
struct psb_intel_output *output, bool on)
{
u32 pp_status;
- DRM_DRIVER_PRIVATE_T *dev_priv = dev->dev_private;
+ struct drm_psb_private *dev_priv = dev->dev_private;
PSB_DEBUG_ENTRY("\n");
if (!gma_power_begin(dev, true))
diff --git a/drivers/staging/gma500/psb_2d.c b/drivers/staging/gma500/psb_2d.c
index 060eeaf..c3d7085 100644
--- a/drivers/staging/gma500/psb_2d.c
+++ b/drivers/staging/gma500/psb_2d.c
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
+ * Copyright (c) 2007-2011, Intel Corporation.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -396,8 +396,3 @@ int psbfb_sync(struct fb_info *info)
out:
return (busy) ? -EBUSY : 0;
}
-
-/*
- info->fix.accel = FB_ACCEL_I830;
- info->flags = FBINFO_DEFAULT;
-*/
diff --git a/drivers/staging/gma500/psb_bl.c b/drivers/staging/gma500/psb_bl.c
index 5dffc71..2f9674d 100644
--- a/drivers/staging/gma500/psb_bl.c
+++ b/drivers/staging/gma500/psb_bl.c
@@ -1,7 +1,7 @@
/*
- * psb backlight interface
+ * GMA500 Backlight Interface
*
- * Copyright (c) 2009, Intel Corporation.
+ * Copyright (c) 2009-2011, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h
index 49ffdd5..b005293 100644
--- a/drivers/staging/gma500/psb_drm.h
+++ b/drivers/staging/gma500/psb_drm.h
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
+ * Copyright (c) 2007-2011, Intel Corporation.
* All Rights Reserved.
* Copyright (c) 2008, Tungsten Graphics Inc. Cedar Park, TX., USA.
* All Rights Reserved.
@@ -22,84 +22,8 @@
#ifndef _PSB_DRM_H_
#define _PSB_DRM_H_
-#if defined(__linux__) && !defined(__KERNEL__)
-#include<stdint.h>
-#include <linux/types.h>
-#include "drm_mode.h"
-#endif
-
-#define DRM_PSB_SAREA_MAJOR 0
-#define DRM_PSB_SAREA_MINOR 2
-#define PSB_FIXED_SHIFT 16
-
#define PSB_NUM_PIPE 3
-/*
- * Public memory types.
- */
-
-typedef s32 psb_fixed;
-typedef u32 psb_ufixed;
-
-static inline s32 psb_int_to_fixed(int a)
-{
- return a * (1 << PSB_FIXED_SHIFT);
-}
-
-static inline u32 psb_unsigned_to_ufixed(unsigned int a)
-{
- return a << PSB_FIXED_SHIFT;
-}
-
-/*Status of the command sent to the gfx device.*/
-typedef enum {
- DRM_CMD_SUCCESS,
- DRM_CMD_FAILED,
- DRM_CMD_HANG
-} drm_cmd_status_t;
-
-struct drm_psb_scanout {
- u32 buffer_id; /* DRM buffer object ID */
- u32 rotation; /* Rotation as in RR_rotation definitions */
- u32 stride; /* Buffer stride in bytes */
- u32 depth; /* Buffer depth in bits (NOT) bpp */
- u32 width; /* Buffer width in pixels */
- u32 height; /* Buffer height in lines */
- s32 transform[3][3]; /* Buffer composite transform */
- /* (scaling, rot, reflect) */
-};
-
-#define DRM_PSB_SAREA_OWNERS 16
-#define DRM_PSB_SAREA_OWNER_2D 0
-#define DRM_PSB_SAREA_OWNER_3D 1
-
-#define DRM_PSB_SAREA_SCANOUTS 3
-
-struct drm_psb_sarea {
- /* Track changes of this data structure */
-
- u32 major;
- u32 minor;
-
- /* Last context to touch part of hw */
- u32 ctx_owners[DRM_PSB_SAREA_OWNERS];
-
- /* Definition of front- and rotated buffers */
- u32 num_scanouts;
- struct drm_psb_scanout scanouts[DRM_PSB_SAREA_SCANOUTS];
-
- int planeA_x;
- int planeA_y;
- int planeA_w;
- int planeA_h;
- int planeB_x;
- int planeB_y;
- int planeB_w;
- int planeB_h;
- /* Number of active scanouts */
- u32 num_active_scanouts;
-};
-
#define PSB_GPU_ACCESS_READ (1ULL << 32)
#define PSB_GPU_ACCESS_WRITE (1ULL << 33)
#define PSB_GPU_ACCESS_MASK (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)
@@ -223,20 +147,14 @@ struct drm_psb_register_rw_arg {
#define DRM_PSB_KMS_OFF 0x00
#define DRM_PSB_KMS_ON 0x01
-#define DRM_PSB_VT_LEAVE 0x02
-#define DRM_PSB_VT_ENTER 0x03
-#define DRM_PSB_EXTENSION 0x06
#define DRM_PSB_SIZES 0x07
#define DRM_PSB_FUSE_REG 0x08
-#define DRM_PSB_VBT 0x09
#define DRM_PSB_DC_STATE 0x0A
#define DRM_PSB_ADB 0x0B
#define DRM_PSB_MODE_OPERATION 0x0C
#define DRM_PSB_STOLEN_MEMORY 0x0D
#define DRM_PSB_REGISTER_RW 0x0E
-#define DRM_PSB_GTT_MAP 0x0F
-#define DRM_PSB_GTT_UNMAP 0x10
-#define DRM_PSB_GETPAGEADDRS 0x11
+
/**
* NOTE: Add new commands here, but increment
* the values below and increment their
@@ -249,10 +167,6 @@ struct drm_psb_register_rw_arg {
#define DRM_PVR_RESERVED4 0x15
#define DRM_PVR_RESERVED5 0x16
-#define DRM_PSB_HIST_ENABLE 0x17
-#define DRM_PSB_HIST_STATUS 0x18
-#define DRM_PSB_UPDATE_GUARD 0x19
-#define DRM_PSB_INIT_COMM 0x1A
#define DRM_PSB_DPST 0x1B
#define DRM_PSB_GAMMA 0x1C
#define DRM_PSB_DPST_BL 0x1D
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
index aa87b1b..9bd0a5d 100644
--- a/drivers/staging/gma500/psb_drv.c
+++ b/drivers/staging/gma500/psb_drv.c
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
+ * Copyright (c) 2007-2011, Intel Corporation.
* All Rights Reserved.
* Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
* All Rights Reserved.
@@ -1462,6 +1462,6 @@ static void __exit psb_exit(void)
late_initcall(psb_init);
module_exit(psb_exit);
-MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_AUTHOR("Alan Cox <alan@...ux.intel.com> and others");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
index e19a454..c0468ee 100644
--- a/drivers/staging/gma500/psb_drv.h
+++ b/drivers/staging/gma500/psb_drv.h
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2007-2008, Intel Corporation.
+ * Copyright (c) 2007-2011, Intel Corporation.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -32,40 +32,32 @@
#include "psb_powermgmt.h"
#include "mrst.h"
-/*Append new drm mode definition here, align with libdrm definition*/
+/* Append new drm mode definition here, align with libdrm definition */
#define DRM_MODE_SCALE_NO_SCALE 2
enum {
- CHIP_PSB_8108 = 0,
- CHIP_PSB_8109 = 1,
- CHIP_MRST_4100 = 2,
+ CHIP_PSB_8108 = 0, /* Poulsbo */
+ CHIP_PSB_8109 = 1, /* Poulsbo */
+ CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */
};
#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100)
/*
- *Hardware bugfixes
+ * Driver definitions
*/
-#define DRIVER_NAME "pvrsrvkm"
-#define DRIVER_DESC "drm driver for the Intel GMA500"
-#define DRIVER_AUTHOR "Intel Corporation"
+#define DRIVER_NAME "gma500"
+#define DRIVER_DESC "DRM driver for the Intel GMA500"
-#define PSB_DRM_DRIVER_DATE "2009-03-10"
-#define PSB_DRM_DRIVER_MAJOR 8
-#define PSB_DRM_DRIVER_MINOR 1
+#define PSB_DRM_DRIVER_DATE "2011-06-06"
+#define PSB_DRM_DRIVER_MAJOR 1
+#define PSB_DRM_DRIVER_MINOR 0
#define PSB_DRM_DRIVER_PATCHLEVEL 0
/*
- *TTM driver private offsets.
+ * Hardware offsets
*/
-
-#define DRM_PSB_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
-
-#define PSB_OBJECT_HASH_ORDER 13
-#define PSB_FILE_OBJECT_HASH_ORDER 12
-#define PSB_BO_HASH_ORDER 12
-
#define PSB_VDC_OFFSET 0x00000000
#define PSB_VDC_SIZE 0x000080000
#define MRST_MMIO_SIZE 0x0000C0000
@@ -73,42 +65,52 @@ enum {
#define PSB_SGX_SIZE 0x8000
#define PSB_SGX_OFFSET 0x00040000
#define MRST_SGX_OFFSET 0x00080000
+/*
+ * PCI resource identifiers
+ */
#define PSB_MMIO_RESOURCE 0
#define PSB_GATT_RESOURCE 2
#define PSB_GTT_RESOURCE 3
+/*
+ * PCI configuration
+ */
#define PSB_GMCH_CTRL 0x52
#define PSB_BSM 0x5C
#define _PSB_GMCH_ENABLED 0x4
#define PSB_PGETBL_CTL 0x2020
#define _PSB_PGETBL_ENABLED 0x00000001
#define PSB_SGX_2D_SLAVE_PORT 0x4000
+
+/* To get rid of */
#define PSB_TT_PRIV0_LIMIT (256*1024*1024)
#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
-#define PSB_NUM_VALIDATE_BUFFERS 2048
/*
- *Flags for external memory type field.
+ * SGX side MMU definitions (these can probably go)
*/
+/*
+ * Flags for external memory type field.
+ */
#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */
#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */
#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */
-
/*
- *PTE's and PDE's
+ * PTE's and PDE's
*/
-
#define PSB_PDE_MASK 0x003FFFFF
#define PSB_PDE_SHIFT 22
#define PSB_PTE_SHIFT 12
-
+/*
+ * Cache control
+ */
#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */
#define PSB_PTE_WO 0x0002 /* Write only */
#define PSB_PTE_RO 0x0004 /* Read only */
#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */
/*
- *VDC registers and bits
+ * VDC registers and bits
*/
#define PSB_MSVDX_CLOCKGATING 0x2064
#define PSB_TOPAZ_CLOCKGATING 0x2068
@@ -278,7 +280,7 @@ struct drm_psb_private {
int display_count;
/*
- *Modesetting
+ * Modesetting
*/
struct psb_intel_mode_device mode_dev;
@@ -287,12 +289,8 @@ struct drm_psb_private {
uint32_t num_pipe;
/*
- *Memory managers
+ * OSPM info (Power management base) (can go ?)
*/
-
- /*
- *OSPM info
- */
uint32_t ospm_base;
/*
@@ -304,11 +302,11 @@ struct drm_psb_private {
u32 fuse_reg_value;
u32 video_device_fuse;
- /* pci revision id for B0:D2:F0 */
+ /* PCI revision ID for B0:D2:F0 */
uint8_t platform_rev_id;
/*
- *LVDS info
+ * LVDS info
*/
int backlight_duty_cycle; /* restore backlight to this value */
bool panel_wants_dither;
@@ -316,10 +314,10 @@ struct drm_psb_private {
struct drm_display_mode *lfp_lvds_vbt_mode;
struct drm_display_mode *sdvo_lvds_vbt_mode;
- struct bdb_lvds_backlight *lvds_bl; /*LVDS backlight info from VBT*/
+ struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
struct psb_intel_i2c_chan *lvds_i2c_bus;
- /* Feature bits from the VBIOS*/
+ /* Feature bits from the VBIOS */
unsigned int int_tv_support:1;
unsigned int lvds_dither:1;
unsigned int lvds_vbt:1;
@@ -332,7 +330,7 @@ struct drm_psb_private {
unsigned int core_freq;
uint32_t iLVDS_enable;
- /*runtime PM state*/
+ /* Runtime PM state */
int rpm_enabled;
/* Moorestown specific */
@@ -350,7 +348,7 @@ struct drm_psb_private {
uint32_t dspcntr2;
/*
- *Register state
+ * Register state
*/
uint32_t saveDSPACNTR;
uint32_t saveDSPBCNTR;
@@ -468,7 +466,7 @@ struct drm_psb_private {
u32 lid_last_state;
/*
- *Watchdog
+ * Watchdog
*/
uint32_t apm_reg;
@@ -497,7 +495,7 @@ static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
}
/*
- *MMU stuff.
+ * MMU stuff.
*/
extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
@@ -525,7 +523,7 @@ extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
unsigned long *pfn);
/*
- *Enable / disable MMU for different requestors.
+ * Enable / disable MMU for different requestors.
*/
@@ -598,7 +596,7 @@ extern int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
unsigned size);
/*
- *psb_reset.c
+ * psb_reset.c
*/
extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
@@ -710,7 +708,6 @@ extern int drm_idle_check_interval;
/*
*Utilities
*/
-#define DRM_DRIVER_PRIVATE_T struct drm_psb_private
static inline u32 MRST_MSG_READ32(uint port, uint offset)
{
diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c
index 156f8ad..0a77abf 100644
--- a/drivers/staging/gma500/psb_fb.c
+++ b/drivers/staging/gma500/psb_fb.c
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
+ * Copyright (c) 2007-2011, Intel Corporation.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -56,7 +56,6 @@ void *psbfb_vdc_reg(struct drm_device *dev)
dev_priv = (struct drm_psb_private *) dev->dev_private;
return dev_priv->vdc_reg;
}
-/*EXPORT_SYMBOL(psbfb_vdc_reg); */
static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
diff --git a/drivers/staging/gma500/psb_fb.h b/drivers/staging/gma500/psb_fb.h
index fd7e51a..ed6e856 100644
--- a/drivers/staging/gma500/psb_fb.h
+++ b/drivers/staging/gma500/psb_fb.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008, Intel Corporation
+ * Copyright (c) 2008-2011, Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -41,7 +41,6 @@ struct psb_fbdev {
struct psb_framebuffer pfb;
};
-
#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base)
extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask);
diff --git a/drivers/staging/gma500/psb_gtt.h b/drivers/staging/gma500/psb_gtt.h
index 37287eb..7e1f21e 100644
--- a/drivers/staging/gma500/psb_gtt.h
+++ b/drivers/staging/gma500/psb_gtt.h
@@ -22,6 +22,7 @@
#include <drm/drmP.h>
+/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
struct psb_gtt {
struct drm_device *dev;
uint32_t gatt_start;
@@ -41,9 +42,9 @@ extern void psb_gtt_takedown(struct drm_device *dev);
/* Each gtt_range describes an allocation in the GTT area */
struct gtt_range {
- struct resource resource;
- u32 offset;
- struct kref kref;
+ struct resource resource; /* Resource for our allocation */
+ u32 offset; /* GTT offset of our object */
+ struct kref kref; /* Can probably go FIXME - GEM kref will do */
struct drm_gem_object gem; /* GEM high level stuff */
int in_gart; /* Currently in the GART (ref ct) */
bool stolen; /* Backed from stolen RAM */
diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h
index 6006ddd..75a95f7 100644
--- a/drivers/staging/gma500/psb_intel_drv.h
+++ b/drivers/staging/gma500/psb_intel_drv.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2009, Intel Corporation.
+ * Copyright (c) 2009-2011, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -26,11 +26,6 @@
#include <linux/gpio.h>
/*
- * MOORESTOWN defines
- */
-#define DELAY_TIME1 2000 /* 1000 = 1ms */
-
-/*
* Display related stuff
*/
@@ -61,16 +56,10 @@
#define INTEL_DVO_CHIP_TMDS 2
#define INTEL_DVO_CHIP_TVOUT 4
-enum mipi_panel_type {
- NSC_800X480 = 1,
- LGE_480X1024 = 2,
- TPO_864X480 = 3
-};
-
-/**
+/*
* Hold information useally put on the device driver privates here,
* since it needs to be shared across multiple of devices drivers privates.
-*/
+ */
struct psb_intel_mode_device {
/*
@@ -79,7 +68,7 @@ struct psb_intel_mode_device {
size_t(*bo_offset) (struct drm_device *dev, void *bo);
/*
- * Cursor
+ * Cursor (Can go ?)
*/
int cursor_needs_physical;
diff --git a/drivers/staging/gma500/psb_irq.h b/drivers/staging/gma500/psb_irq.h
index 3e56f33..216fda3 100644
--- a/drivers/staging/gma500/psb_irq.h
+++ b/drivers/staging/gma500/psb_irq.h
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2009, Intel Corporation.
+ * Copyright (c) 2009-2011, Intel Corporation.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
@@ -34,10 +34,6 @@ int psb_irq_postinstall(struct drm_device *dev);
void psb_irq_uninstall(struct drm_device *dev);
irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-void psb_irq_preinstall_islands(struct drm_device *dev, int hw_islands);
-int psb_irq_postinstall_islands(struct drm_device *dev, int hw_islands);
-void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
-
int psb_irq_enable_dpst(struct drm_device *dev);
int psb_irq_disable_dpst(struct drm_device *dev);
void psb_irq_turn_on_dpst(struct drm_device *dev);
@@ -46,4 +42,4 @@ int psb_enable_vblank(struct drm_device *dev, int pipe);
void psb_disable_vblank(struct drm_device *dev, int pipe);
u32 psb_get_vblank_counter(struct drm_device *dev, int pipe);
-#endif //_SYSIRQ_H_
+#endif /* _SYSIRQ_H_ */
diff --git a/drivers/staging/gma500/psb_powermgmt.c b/drivers/staging/gma500/psb_powermgmt.c
index 1495415..50f2234 100644
--- a/drivers/staging/gma500/psb_powermgmt.c
+++ b/drivers/staging/gma500/psb_powermgmt.c
@@ -1,7 +1,7 @@
/**************************************************************************
- * Copyright (c) 2009, Intel Corporation.
+ * Copyright (c) 2009-2011, Intel Corporation.
* All Rights Reserved.
-
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
diff --git a/drivers/staging/gma500/psb_powermgmt.h b/drivers/staging/gma500/psb_powermgmt.h
index e005229..333b28d 100644
--- a/drivers/staging/gma500/psb_powermgmt.h
+++ b/drivers/staging/gma500/psb_powermgmt.h
@@ -1,5 +1,5 @@
/**************************************************************************
- * Copyright (c) 2009, Intel Corporation.
+ * Copyright (c) 2009-2011, Intel Corporation.
* All Rights Reserved.
* Permission is hereby granted, free of charge, to any person obtaining a
diff --git a/drivers/staging/gma500/psb_reg.h b/drivers/staging/gma500/psb_reg.h
index 9ad4989..529fda8 100644
--- a/drivers/staging/gma500/psb_reg.h
+++ b/drivers/staging/gma500/psb_reg.h
@@ -573,7 +573,7 @@
#define MDFLD_PWRGT_DISPLAY_C_CNTR 0x00030000
#define MDFLD_PWRGT_DISP_MIPI_CNTR 0x000c0000
#define MDFLD_PWRGT_DISPLAY_CNTR (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR)// 0x000fc00c
-// Display SSS register bits are different in A0 vs. B0
+/* Display SSS register bits are different in A0 vs. B0 */
#define PSB_PWRGT_GFX_MASK 0x3
#define MDFLD_PWRGT_DISPLAY_A_STS 0x000000c0
#define MDFLD_PWRGT_DISPLAY_B_STS 0x00000300
--
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