Subversion Repositories Kolibri OS

/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-

 */

/*

 *

 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.

 * 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 the rights to use, copy, modify, merge, publish,

 * distribute, sub license, and/or sell copies of the Software, and to

 * permit persons to whom the Software is furnished to do so, subject to

 * the following conditions:

 *

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR

 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 */

//#include 

#include 

#include 

#include "i915_drv.h"

#include "i915_trace.h"

#include "intel_drv.h"

#include 

#include 

#include 

#include 

#include 

#include 

#define __read_mostly

int init_display_kms(struct drm_device *dev);

static int i915_modeset __read_mostly = 1;

module_param_named(modeset, i915_modeset, int, 0400);

MODULE_PARM_DESC(modeset,

		"Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, "

		"1=on, -1=force vga console preference [default])");

unsigned int i915_fbpercrtc __always_unused = 0;

module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);

int i915_panel_ignore_lid __read_mostly         =  1;

module_param_named(panel_ignore_lid, i915_panel_ignore_lid, int, 0600);

MODULE_PARM_DESC(panel_ignore_lid,

		"Override lid status (0=autodetect, 1=autodetect disabled [default], "

		"-1=force lid closed, -2=force lid open)");

unsigned int i915_powersave __read_mostly = 0;

module_param_named(powersave, i915_powersave, int, 0600);

MODULE_PARM_DESC(powersave,

		"Enable powersavings, fbc, downclocking, etc. (default: true)");

int i915_semaphores __read_mostly = -1;

module_param_named(semaphores, i915_semaphores, int, 0600);

MODULE_PARM_DESC(semaphores,

		"Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");

int i915_enable_rc6 __read_mostly = 0;

module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400);

MODULE_PARM_DESC(i915_enable_rc6,

		"Enable power-saving render C-state 6. "

		"Different stages can be selected via bitmask values "

		"(0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). "

		"For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. "

		"default: -1 (use per-chip default)");

int i915_enable_fbc __read_mostly = 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 "

		"(default: -1 (use per-chip default))");

unsigned int i915_lvds_downclock  __read_mostly =  0;

module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);

MODULE_PARM_DESC(lvds_downclock,

		"Use panel (LVDS/eDP) downclocking for power savings "

		"(default: false)");

int i915_lvds_channel_mode __read_mostly;

module_param_named(lvds_channel_mode, i915_lvds_channel_mode, int, 0600);

MODULE_PARM_DESC(lvds_channel_mode,

		 "Specify LVDS channel mode "

		 "(0=probe BIOS [default], 1=single-channel, 2=dual-channel)");

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] "

		"(default: auto from VBT)");

int i915_vbt_sdvo_panel_type __read_mostly      = -1;

module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600);

MODULE_PARM_DESC(vbt_sdvo_panel_type,

		"Override/Ignore selection of SDVO panel mode in the VBT "

		"(-2=ignore, -1=auto [default], index in VBT BIOS table)");

static bool i915_try_reset __read_mostly = true;

module_param_named(reset, i915_try_reset, bool, 0600);

MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)");

bool i915_enable_hangcheck __read_mostly = false;

module_param_named(enable_hangcheck, i915_enable_hangcheck, bool, 0644);

MODULE_PARM_DESC(enable_hangcheck,

		"Periodically check GPU activity for detecting hangs. "

		"WARNING: Disabling this can cause system wide hangs. "

		"(default: true)");

int i915_enable_ppgtt __read_mostly = 0;

module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600);

MODULE_PARM_DESC(i915_enable_ppgtt,

		"Enable PPGTT (default: true)");

int i915_enable_psr __read_mostly = 0;

module_param_named(enable_psr, i915_enable_psr, int, 0600);

MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");

unsigned int i915_preliminary_hw_support __read_mostly = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT);

module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600);

MODULE_PARM_DESC(preliminary_hw_support,

		"Enable preliminary hardware support.");

int i915_disable_power_well __read_mostly = 1;

module_param_named(disable_power_well, i915_disable_power_well, int, 0600);

MODULE_PARM_DESC(disable_power_well,

		 "Disable the power well when possible (default: true)");

int i915_enable_ips __read_mostly = 1;

module_param_named(enable_ips, i915_enable_ips, int, 0600);

MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)");

bool i915_fastboot __read_mostly = 0;

module_param_named(fastboot, i915_fastboot, bool, 0600);

MODULE_PARM_DESC(fastboot, "Try to skip unnecessary mode sets at boot time "

		 "(default: false)");

int i915_enable_pc8 __read_mostly = 0;

module_param_named(enable_pc8, i915_enable_pc8, int, 0600);

MODULE_PARM_DESC(enable_pc8, "Enable support for low power package C states (PC8+) (default: true)");

int i915_pc8_timeout __read_mostly = 5000;

module_param_named(pc8_timeout, i915_pc8_timeout, int, 0600);

MODULE_PARM_DESC(pc8_timeout, "Number of msecs of idleness required to enter PC8+ (default: 5000)");

bool i915_prefault_disable __read_mostly;

module_param_named(prefault_disable, i915_prefault_disable, bool, 0600);

MODULE_PARM_DESC(prefault_disable,

		"Disable page prefaulting for pread/pwrite/reloc (default:false). For developers only.");

static struct drm_driver driver;

extern int intel_agp_enabled;

#define PCI_VENDOR_ID_INTEL        0x8086

static const struct intel_device_info intel_i915g_info = {

	.gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, .num_pipes = 2,

	.has_overlay = 1, .overlay_needs_physical = 1,

};

static const struct intel_device_info intel_i915gm_info = {

	.gen = 3, .is_mobile = 1, .num_pipes = 2,

	.cursor_needs_physical = 1,

	.has_overlay = 1, .overlay_needs_physical = 1,

	.supports_tv = 1,

};

static const struct intel_device_info intel_i945g_info = {

	.gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, .num_pipes = 2,

	.has_overlay = 1, .overlay_needs_physical = 1,

};

static const struct intel_device_info intel_i945gm_info = {

	.gen = 3, .is_i945gm = 1, .is_mobile = 1, .num_pipes = 2,

	.has_hotplug = 1, .cursor_needs_physical = 1,

	.has_overlay = 1, .overlay_needs_physical = 1,

	.supports_tv = 1,

};