*
*/
+#include <linux/device.h>
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
-#include "drm_pciids.h"
+#include <linux/console.h>
+#include "drm_crtc_helper.h"
-static struct pci_device_id pciidlist[] = {
- i915_PCI_IDS
+static int i915_modeset = -1;
+module_param_named(modeset, i915_modeset, int, 0400);
+
+unsigned int i915_fbpercrtc = 0;
+module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
+
+unsigned int i915_powersave = 1;
+module_param_named(powersave, i915_powersave, int, 0400);
+
+unsigned int i915_lvds_downclock = 0;
+module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
+
+static struct drm_driver driver;
+extern int intel_agp_enabled;
+
+#define INTEL_VGA_DEVICE(id, info) { \
+ .class = PCI_CLASS_DISPLAY_VGA << 8, \
+ .class_mask = 0xffff00, \
+ .vendor = 0x8086, \
+ .device = id, \
+ .subvendor = PCI_ANY_ID, \
+ .subdevice = PCI_ANY_ID, \
+ .driver_data = (unsigned long) info }
+
+const static struct intel_device_info intel_i830_info = {
+ .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
};
-enum pipe {
- PIPE_A = 0,
- PIPE_B,
+const static struct intel_device_info intel_845g_info = {
+ .is_i8xx = 1,
};
-static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
+const static struct intel_device_info intel_i85x_info = {
+ .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
+};
- if (pipe == PIPE_A)
- return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE);
- else
- return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE);
-}
+const static struct intel_device_info intel_i865g_info = {
+ .is_i8xx = 1,
+};
-static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
- u32 *array;
- int i;
+const static struct intel_device_info intel_i915g_info = {
+ .is_i915g = 1, .is_i9xx = 1, .cursor_needs_physical = 1,
+};
+const static struct intel_device_info intel_i915gm_info = {
+ .is_i9xx = 1, .is_mobile = 1, .has_fbc = 1,
+ .cursor_needs_physical = 1,
+};
+const static struct intel_device_info intel_i945g_info = {
+ .is_i9xx = 1, .has_hotplug = 1, .cursor_needs_physical = 1,
+};
+const static struct intel_device_info intel_i945gm_info = {
+ .is_i945gm = 1, .is_i9xx = 1, .is_mobile = 1, .has_fbc = 1,
+ .has_hotplug = 1, .cursor_needs_physical = 1,
+};
- if (!i915_pipe_enabled(dev, pipe))
- return;
+const static struct intel_device_info intel_i965g_info = {
+ .is_i965g = 1, .is_i9xx = 1, .has_hotplug = 1,
+};
- if (pipe == PIPE_A)
- array = dev_priv->save_palette_a;
- else
- array = dev_priv->save_palette_b;
+const static struct intel_device_info intel_i965gm_info = {
+ .is_i965g = 1, .is_mobile = 1, .is_i965gm = 1, .is_i9xx = 1,
+ .is_mobile = 1, .has_fbc = 1, .has_rc6 = 1,
+ .has_hotplug = 1,
+};
- for(i = 0; i < 256; i++)
- array[i] = I915_READ(reg + (i << 2));
-}
+const static struct intel_device_info intel_g33_info = {
+ .is_g33 = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+ .has_hotplug = 1,
+};
-static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
- u32 *array;
- int i;
+const static struct intel_device_info intel_g45_info = {
+ .is_i965g = 1, .is_g4x = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+ .has_pipe_cxsr = 1,
+ .has_hotplug = 1,
+};
- if (!i915_pipe_enabled(dev, pipe))
- return;
+const static struct intel_device_info intel_gm45_info = {
+ .is_i965g = 1, .is_mobile = 1, .is_g4x = 1, .is_i9xx = 1,
+ .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1,
+ .has_pipe_cxsr = 1,
+ .has_hotplug = 1,
+};
- if (pipe == PIPE_A)
- array = dev_priv->save_palette_a;
- else
- array = dev_priv->save_palette_b;
+const static struct intel_device_info intel_pineview_info = {
+ .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .is_i9xx = 1,
+ .need_gfx_hws = 1,
+ .has_hotplug = 1,
+};
- for(i = 0; i < 256; i++)
- I915_WRITE(reg + (i << 2), array[i]);
-}
+const static struct intel_device_info intel_ironlake_d_info = {
+ .is_ironlake = 1, .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+ .has_pipe_cxsr = 1,
+ .has_hotplug = 1,
+};
-static u8 i915_read_indexed(u16 index_port, u16 data_port, u8 reg)
-{
- outb(reg, index_port);
- return inb(data_port);
-}
+const static struct intel_device_info intel_ironlake_m_info = {
+ .is_ironlake = 1, .is_mobile = 1, .is_i965g = 1, .is_i9xx = 1,
+ .need_gfx_hws = 1, .has_rc6 = 1,
+ .has_hotplug = 1,
+};
-static u8 i915_read_ar(u16 st01, u8 reg, u16 palette_enable)
-{
- inb(st01);
- outb(palette_enable | reg, VGA_AR_INDEX);
- return inb(VGA_AR_DATA_READ);
-}
+const static struct intel_device_info intel_sandybridge_d_info = {
+ .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+ .has_hotplug = 1,
+};
-static void i915_write_ar(u8 st01, u8 reg, u8 val, u16 palette_enable)
-{
- inb(st01);
- outb(palette_enable | reg, VGA_AR_INDEX);
- outb(val, VGA_AR_DATA_WRITE);
-}
+const static struct intel_device_info intel_sandybridge_m_info = {
+ .is_i965g = 1, .is_mobile = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+ .has_hotplug = 1,
+};
-static void i915_write_indexed(u16 index_port, u16 data_port, u8 reg, u8 val)
-{
- outb(reg, index_port);
- outb(val, data_port);
-}
+const static struct pci_device_id pciidlist[] = {
+ INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
+ INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
+ INTEL_VGA_DEVICE(0x3582, &intel_i85x_info),
+ INTEL_VGA_DEVICE(0x35e8, &intel_i85x_info),
+ INTEL_VGA_DEVICE(0x2572, &intel_i865g_info),
+ INTEL_VGA_DEVICE(0x2582, &intel_i915g_info),
+ INTEL_VGA_DEVICE(0x258a, &intel_i915g_info),
+ INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info),
+ INTEL_VGA_DEVICE(0x2772, &intel_i945g_info),
+ INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info),
+ INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info),
+ INTEL_VGA_DEVICE(0x2972, &intel_i965g_info),
+ INTEL_VGA_DEVICE(0x2982, &intel_i965g_info),
+ INTEL_VGA_DEVICE(0x2992, &intel_i965g_info),
+ INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info),
+ INTEL_VGA_DEVICE(0x29b2, &intel_g33_info),
+ INTEL_VGA_DEVICE(0x29c2, &intel_g33_info),
+ INTEL_VGA_DEVICE(0x29d2, &intel_g33_info),
+ INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info),
+ INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info),
+ INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info),
+ INTEL_VGA_DEVICE(0x2e02, &intel_g45_info),
+ INTEL_VGA_DEVICE(0x2e12, &intel_g45_info),
+ INTEL_VGA_DEVICE(0x2e22, &intel_g45_info),
+ INTEL_VGA_DEVICE(0x2e32, &intel_g45_info),
+ INTEL_VGA_DEVICE(0x2e42, &intel_g45_info),
+ INTEL_VGA_DEVICE(0xa001, &intel_pineview_info),
+ INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
+ INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
+ INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
+ INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
+ INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),
+ {0, 0, 0}
+};
+
+#if defined(CONFIG_DRM_I915_KMS)
+MODULE_DEVICE_TABLE(pci, pciidlist);
+#endif
-static void i915_save_vga(struct drm_device *dev)
+static int i915_drm_freeze(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
- u16 cr_index, cr_data, st01;
-
- /* VGA color palette registers */
- dev_priv->saveDACMASK = inb(VGA_DACMASK);
- /* DACCRX automatically increments during read */
- outb(0, VGA_DACRX);
- /* Read 3 bytes of color data from each index */
- for (i = 0; i < 256 * 3; i++)
- dev_priv->saveDACDATA[i] = inb(VGA_DACDATA);
-
- /* MSR bits */
- dev_priv->saveMSR = inb(VGA_MSR_READ);
- if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
- cr_index = VGA_CR_INDEX_CGA;
- cr_data = VGA_CR_DATA_CGA;
- st01 = VGA_ST01_CGA;
- } else {
- cr_index = VGA_CR_INDEX_MDA;
- cr_data = VGA_CR_DATA_MDA;
- st01 = VGA_ST01_MDA;
- }
- /* CRT controller regs */
- i915_write_indexed(cr_index, cr_data, 0x11,
- i915_read_indexed(cr_index, cr_data, 0x11) &
- (~0x80));
- for (i = 0; i <= 0x24; i++)
- dev_priv->saveCR[i] =
- i915_read_indexed(cr_index, cr_data, i);
- /* Make sure we don't turn off CR group 0 writes */
- dev_priv->saveCR[0x11] &= ~0x80;
-
- /* Attribute controller registers */
- inb(st01);
- dev_priv->saveAR_INDEX = inb(VGA_AR_INDEX);
- for (i = 0; i <= 0x14; i++)
- dev_priv->saveAR[i] = i915_read_ar(st01, i, 0);
- inb(st01);
- outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX);
- inb(st01);
-
- /* Graphics controller registers */
- for (i = 0; i < 9; i++)
- dev_priv->saveGR[i] =
- i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, i);
-
- dev_priv->saveGR[0x10] =
- i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10);
- dev_priv->saveGR[0x11] =
- i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11);
- dev_priv->saveGR[0x18] =
- i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18);
-
- /* Sequencer registers */
- for (i = 0; i < 8; i++)
- dev_priv->saveSR[i] =
- i915_read_indexed(VGA_SR_INDEX, VGA_SR_DATA, i);
-}
+ pci_save_state(dev->pdev);
-static void i915_restore_vga(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
- u16 cr_index, cr_data, st01;
-
- /* MSR bits */
- outb(dev_priv->saveMSR, VGA_MSR_WRITE);
- if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
- cr_index = VGA_CR_INDEX_CGA;
- cr_data = VGA_CR_DATA_CGA;
- st01 = VGA_ST01_CGA;
- } else {
- cr_index = VGA_CR_INDEX_MDA;
- cr_data = VGA_CR_DATA_MDA;
- st01 = VGA_ST01_MDA;
+ /* If KMS is active, we do the leavevt stuff here */
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ int error = i915_gem_idle(dev);
+ if (error) {
+ dev_err(&dev->pdev->dev,
+ "GEM idle failed, resume might fail\n");
+ return error;
+ }
+ drm_irq_uninstall(dev);
}
- /* Sequencer registers, don't write SR07 */
- for (i = 0; i < 7; i++)
- i915_write_indexed(VGA_SR_INDEX, VGA_SR_DATA, i,
- dev_priv->saveSR[i]);
-
- /* CRT controller regs */
- /* Enable CR group 0 writes */
- i915_write_indexed(cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
- for (i = 0; i <= 0x24; i++)
- i915_write_indexed(cr_index, cr_data, i, dev_priv->saveCR[i]);
-
- /* Graphics controller regs */
- for (i = 0; i < 9; i++)
- i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, i,
- dev_priv->saveGR[i]);
-
- i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10,
- dev_priv->saveGR[0x10]);
- i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11,
- dev_priv->saveGR[0x11]);
- i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18,
- dev_priv->saveGR[0x18]);
-
- /* Attribute controller registers */
- inb(st01);
- for (i = 0; i <= 0x14; i++)
- i915_write_ar(st01, i, dev_priv->saveAR[i], 0);
- inb(st01); /* switch back to index mode */
- outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX);
- inb(st01);
-
- /* VGA color palette registers */
- outb(dev_priv->saveDACMASK, VGA_DACMASK);
- /* DACCRX automatically increments during read */
- outb(0, VGA_DACWX);
- /* Read 3 bytes of color data from each index */
- for (i = 0; i < 256 * 3; i++)
- outb(dev_priv->saveDACDATA[i], VGA_DACDATA);
+ i915_save_state(dev);
+
+ intel_opregion_free(dev, 1);
+
+ /* Modeset on resume, not lid events */
+ dev_priv->modeset_on_lid = 0;
+ return 0;
}
-static int i915_suspend(struct drm_device *dev, pm_message_t state)
+int i915_suspend(struct drm_device *dev, pm_message_t state)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
+ int error;
- if (!dev || !dev_priv) {
- printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
- printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
+ if (!dev || !dev->dev_private) {
+ DRM_ERROR("dev: %p\n", dev);
+ DRM_ERROR("DRM not initialized, aborting suspend.\n");
return -ENODEV;
}
if (state.event == PM_EVENT_PRETHAW)
return 0;
- pci_save_state(dev->pdev);
- pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
-
- /* Display arbitration control */
- dev_priv->saveDSPARB = I915_READ(DSPARB);
-
- /* Pipe & plane A info */
- dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
- dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
- dev_priv->saveFPA0 = I915_READ(FPA0);
- dev_priv->saveFPA1 = I915_READ(FPA1);
- dev_priv->saveDPLL_A = I915_READ(DPLL_A);
- if (IS_I965G(dev))
- dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD);
- dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A);
- dev_priv->saveHBLANK_A = I915_READ(HBLANK_A);
- dev_priv->saveHSYNC_A = I915_READ(HSYNC_A);
- dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A);
- dev_priv->saveVBLANK_A = I915_READ(VBLANK_A);
- dev_priv->saveVSYNC_A = I915_READ(VSYNC_A);
- dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
-
- dev_priv->saveDSPACNTR = I915_READ(DSPACNTR);
- dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
- dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
- dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
- dev_priv->saveDSPABASE = I915_READ(DSPABASE);
- if (IS_I965G(dev)) {
- dev_priv->saveDSPASURF = I915_READ(DSPASURF);
- dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
- }
- i915_save_palette(dev, PIPE_A);
- dev_priv->savePIPEASTAT = I915_READ(I915REG_PIPEASTAT);
-
- /* Pipe & plane B info */
- dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
- dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC);
- dev_priv->saveFPB0 = I915_READ(FPB0);
- dev_priv->saveFPB1 = I915_READ(FPB1);
- dev_priv->saveDPLL_B = I915_READ(DPLL_B);
- if (IS_I965G(dev))
- dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD);
- dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B);
- dev_priv->saveHBLANK_B = I915_READ(HBLANK_B);
- dev_priv->saveHSYNC_B = I915_READ(HSYNC_B);
- dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B);
- dev_priv->saveVBLANK_B = I915_READ(VBLANK_B);
- dev_priv->saveVSYNC_B = I915_READ(VSYNC_B);
- dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
-
- dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR);
- dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
- dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
- dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
- dev_priv->saveDSPBBASE = I915_READ(DSPBBASE);
- if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
- dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
- dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
- }
- i915_save_palette(dev, PIPE_B);
- dev_priv->savePIPEBSTAT = I915_READ(I915REG_PIPEBSTAT);
-
- /* CRT state */
- dev_priv->saveADPA = I915_READ(ADPA);
-
- /* LVDS state */
- dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
- dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);
- dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
- if (IS_I965G(dev))
- dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2);
- if (IS_MOBILE(dev) && !IS_I830(dev))
- dev_priv->saveLVDS = I915_READ(LVDS);
- if (!IS_I830(dev) && !IS_845G(dev))
- dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL);
- dev_priv->saveLVDSPP_ON = I915_READ(LVDSPP_ON);
- dev_priv->saveLVDSPP_OFF = I915_READ(LVDSPP_OFF);
- dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE);
-
- /* FIXME: save TV & SDVO state */
-
- /* FBC state */
- dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
- dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
- dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
- dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
-
- /* Interrupt state */
- dev_priv->saveIIR = I915_READ(I915REG_INT_IDENTITY_R);
- dev_priv->saveIER = I915_READ(I915REG_INT_ENABLE_R);
- dev_priv->saveIMR = I915_READ(I915REG_INT_MASK_R);
-
- /* VGA state */
- dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0);
- dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1);
- dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV);
- dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
-
- /* Clock gating state */
- dev_priv->saveD_STATE = I915_READ(D_STATE);
- dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D);
-
- /* Cache mode state */
- dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
-
- /* Memory Arbitration state */
- dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
-
- /* Scratch space */
- for (i = 0; i < 16; i++) {
- dev_priv->saveSWF0[i] = I915_READ(SWF0 + (i << 2));
- dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
- }
- for (i = 0; i < 3; i++)
- dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
-
- i915_save_vga(dev);
+ error = i915_drm_freeze(dev);
+ if (error)
+ return error;
if (state.event == PM_EVENT_SUSPEND) {
/* Shut down the device */
return 0;
}
-static int i915_resume(struct drm_device *dev)
+static int i915_drm_thaw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
+ int error = 0;
+
+ i915_restore_state(dev);
+
+ intel_opregion_init(dev, 1);
+
+ /* KMS EnterVT equivalent */
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ mutex_lock(&dev->struct_mutex);
+ dev_priv->mm.suspended = 0;
+
+ error = i915_gem_init_ringbuffer(dev);
+ mutex_unlock(&dev->struct_mutex);
+
+ drm_irq_install(dev);
+
+ /* Resume the modeset for every activated CRTC */
+ drm_helper_resume_force_mode(dev);
+ }
+
+ dev_priv->modeset_on_lid = 0;
+
+ return error;
+}
- pci_set_power_state(dev->pdev, PCI_D0);
- pci_restore_state(dev->pdev);
+int i915_resume(struct drm_device *dev)
+{
if (pci_enable_device(dev->pdev))
- return -1;
+ return -EIO;
+
pci_set_master(dev->pdev);
- pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
+ return i915_drm_thaw(dev);
+}
+
+/**
+ * i965_reset - reset chip after a hang
+ * @dev: drm device to reset
+ * @flags: reset domains
+ *
+ * Reset the chip. Useful if a hang is detected. Returns zero on successful
+ * reset or otherwise an error code.
+ *
+ * Procedure is fairly simple:
+ * - reset the chip using the reset reg
+ * - re-init context state
+ * - re-init hardware status page
+ * - re-init ring buffer
+ * - re-init interrupt state
+ * - re-init display
+ */
+int i965_reset(struct drm_device *dev, u8 flags)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ unsigned long timeout;
+ u8 gdrst;
+ /*
+ * We really should only reset the display subsystem if we actually
+ * need to
+ */
+ bool need_display = true;
- I915_WRITE(DSPARB, dev_priv->saveDSPARB);
+ mutex_lock(&dev->struct_mutex);
- /* Pipe & plane A info */
- /* Prime the clock */
- if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
- I915_WRITE(DPLL_A, dev_priv->saveDPLL_A &
- ~DPLL_VCO_ENABLE);
- udelay(150);
+ /*
+ * Clear request list
+ */
+ i915_gem_retire_requests(dev);
+
+ if (need_display)
+ i915_save_display(dev);
+
+ if (IS_I965G(dev) || IS_G4X(dev)) {
+ /*
+ * Set the domains we want to reset, then the reset bit (bit 0).
+ * Clear the reset bit after a while and wait for hardware status
+ * bit (bit 1) to be set
+ */
+ pci_read_config_byte(dev->pdev, GDRST, &gdrst);
+ pci_write_config_byte(dev->pdev, GDRST, gdrst | flags | ((flags == GDRST_FULL) ? 0x1 : 0x0));
+ udelay(50);
+ pci_write_config_byte(dev->pdev, GDRST, gdrst & 0xfe);
+
+ /* ...we don't want to loop forever though, 500ms should be plenty */
+ timeout = jiffies + msecs_to_jiffies(500);
+ do {
+ udelay(100);
+ pci_read_config_byte(dev->pdev, GDRST, &gdrst);
+ } while ((gdrst & 0x1) && time_after(timeout, jiffies));
+
+ if (gdrst & 0x1) {
+ WARN(true, "i915: Failed to reset chip\n");
+ mutex_unlock(&dev->struct_mutex);
+ return -EIO;
+ }
+ } else {
+ DRM_ERROR("Error occurred. Don't know how to reset this chip.\n");
+ return -ENODEV;
}
- I915_WRITE(FPA0, dev_priv->saveFPA0);
- I915_WRITE(FPA1, dev_priv->saveFPA1);
- /* Actually enable it */
- I915_WRITE(DPLL_A, dev_priv->saveDPLL_A);
- udelay(150);
- if (IS_I965G(dev))
- I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD);
- udelay(150);
-
- /* Restore mode */
- I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A);
- I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A);
- I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A);
- I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A);
- I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A);
- I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A);
- I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A);
-
- /* Restore plane info */
- I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
- I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
- I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
- I915_WRITE(DSPABASE, dev_priv->saveDSPABASE);
- I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
- if (IS_I965G(dev)) {
- I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
- I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF);
+
+ /* Ok, now get things going again... */
+
+ /*
+ * Everything depends on having the GTT running, so we need to start
+ * there. Fortunately we don't need to do this unless we reset the
+ * chip at a PCI level.
+ *
+ * Next we need to restore the context, but we don't use those
+ * yet either...
+ *
+ * Ring buffer needs to be re-initialized in the KMS case, or if X
+ * was running at the time of the reset (i.e. we weren't VT
+ * switched away).
+ */
+ if (drm_core_check_feature(dev, DRIVER_MODESET) ||
+ !dev_priv->mm.suspended) {
+ drm_i915_ring_buffer_t *ring = &dev_priv->ring;
+ struct drm_gem_object *obj = ring->ring_obj;
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ dev_priv->mm.suspended = 0;
+
+ /* Stop the ring if it's running. */
+ I915_WRITE(PRB0_CTL, 0);
+ I915_WRITE(PRB0_TAIL, 0);
+ I915_WRITE(PRB0_HEAD, 0);
+
+ /* Initialize the ring. */
+ I915_WRITE(PRB0_START, obj_priv->gtt_offset);
+ I915_WRITE(PRB0_CTL,
+ ((obj->size - 4096) & RING_NR_PAGES) |
+ RING_NO_REPORT |
+ RING_VALID);
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ i915_kernel_lost_context(dev);
+ else {
+ ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ ring->space = ring->head - (ring->tail + 8);
+ if (ring->space < 0)
+ ring->space += ring->Size;
+ }
+
+ mutex_unlock(&dev->struct_mutex);
+ drm_irq_uninstall(dev);
+ drm_irq_install(dev);
+ mutex_lock(&dev->struct_mutex);
}
- I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF);
+ /*
+ * Display needs restore too...
+ */
+ if (need_display)
+ i915_restore_display(dev);
+
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
- i915_restore_palette(dev, PIPE_A);
- /* Enable the plane */
- I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
- I915_WRITE(DSPABASE, I915_READ(DSPABASE));
+static int __devinit
+i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ return drm_get_dev(pdev, ent, &driver);
+}
- /* Pipe & plane B info */
- if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
- I915_WRITE(DPLL_B, dev_priv->saveDPLL_B &
- ~DPLL_VCO_ENABLE);
- udelay(150);
- }
- I915_WRITE(FPB0, dev_priv->saveFPB0);
- I915_WRITE(FPB1, dev_priv->saveFPB1);
- /* Actually enable it */
- I915_WRITE(DPLL_B, dev_priv->saveDPLL_B);
- udelay(150);
- if (IS_I965G(dev))
- I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD);
- udelay(150);
-
- /* Restore mode */
- I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B);
- I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B);
- I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B);
- I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B);
- I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B);
- I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B);
- I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B);
-
- /* Restore plane info */
- I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
- I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
- I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
- I915_WRITE(DSPBBASE, dev_priv->saveDSPBBASE);
- I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
- if (IS_I965G(dev)) {
- I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
- I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
- }
+static void
+i915_pci_remove(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ drm_put_dev(dev);
+}
- I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF);
-
- i915_restore_palette(dev, PIPE_B);
- /* Enable the plane */
- I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
- I915_WRITE(DSPBBASE, I915_READ(DSPBBASE));
-
- /* CRT state */
- I915_WRITE(ADPA, dev_priv->saveADPA);
-
- /* LVDS state */
- if (IS_I965G(dev))
- I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2);
- if (IS_MOBILE(dev) && !IS_I830(dev))
- I915_WRITE(LVDS, dev_priv->saveLVDS);
- if (!IS_I830(dev) && !IS_845G(dev))
- I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL);
-
- I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
- I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
- I915_WRITE(LVDSPP_ON, dev_priv->saveLVDSPP_ON);
- I915_WRITE(LVDSPP_OFF, dev_priv->saveLVDSPP_OFF);
- I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE);
- I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
-
- /* FIXME: restore TV & SDVO state */
-
- /* FBC info */
- I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
- I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
- I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
- I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
-
- /* VGA state */
- I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL);
- I915_WRITE(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0);
- I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1);
- I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV);
- udelay(150);
-
- /* Clock gating state */
- I915_WRITE (D_STATE, dev_priv->saveD_STATE);
- I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D);
-
- /* Cache mode state */
- I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
-
- /* Memory arbitration state */
- I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000);
-
- for (i = 0; i < 16; i++) {
- I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF0[i]);
- I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
+static int i915_pm_suspend(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+ int error;
+
+ if (!drm_dev || !drm_dev->dev_private) {
+ dev_err(dev, "DRM not initialized, aborting suspend.\n");
+ return -ENODEV;
}
- for (i = 0; i < 3; i++)
- I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
- i915_restore_vga(dev);
+ error = i915_drm_freeze(drm_dev);
+ if (error)
+ return error;
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
+static int i915_pm_resume(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_resume(drm_dev);
+}
+
+static int i915_pm_freeze(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ if (!drm_dev || !drm_dev->dev_private) {
+ dev_err(dev, "DRM not initialized, aborting suspend.\n");
+ return -ENODEV;
+ }
+
+ return i915_drm_freeze(drm_dev);
+}
+
+static int i915_pm_thaw(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_drm_thaw(drm_dev);
+}
+
+static int i915_pm_poweroff(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *drm_dev = pci_get_drvdata(pdev);
+
+ return i915_drm_freeze(drm_dev);
+}
+
+const struct dev_pm_ops i915_pm_ops = {
+ .suspend = i915_pm_suspend,
+ .resume = i915_pm_resume,
+ .freeze = i915_pm_freeze,
+ .thaw = i915_pm_thaw,
+ .poweroff = i915_pm_poweroff,
+ .restore = i915_pm_resume,
+};
+
+static struct vm_operations_struct i915_gem_vm_ops = {
+ .fault = i915_gem_fault,
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+
static struct drm_driver driver = {
/* don't use mtrr's here, the Xserver or user space app should
* deal with them for intel hardware.
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
- DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
- DRIVER_IRQ_VBL2,
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
.load = i915_driver_load,
.unload = i915_driver_unload,
+ .open = i915_driver_open,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
+ .postclose = i915_driver_postclose,
+
+ /* Used in place of i915_pm_ops for non-DRIVER_MODESET */
.suspend = i915_suspend,
.resume = i915_resume,
+
.device_is_agp = i915_driver_device_is_agp,
- .vblank_wait = i915_driver_vblank_wait,
- .vblank_wait2 = i915_driver_vblank_wait2,
+ .enable_vblank = i915_enable_vblank,
+ .disable_vblank = i915_disable_vblank,
.irq_preinstall = i915_driver_irq_preinstall,
.irq_postinstall = i915_driver_irq_postinstall,
.irq_uninstall = i915_driver_irq_uninstall,
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
+ .master_create = i915_master_create,
+ .master_destroy = i915_master_destroy,
+#if defined(CONFIG_DEBUG_FS)
+ .debugfs_init = i915_debugfs_init,
+ .debugfs_cleanup = i915_debugfs_cleanup,
+#endif
+ .gem_init_object = i915_gem_init_object,
+ .gem_free_object = i915_gem_free_object,
+ .gem_vm_ops = &i915_gem_vm_ops,
.ioctls = i915_ioctls,
.fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
- .ioctl = drm_ioctl,
- .mmap = drm_mmap,
+ .unlocked_ioctl = drm_ioctl,
+ .mmap = drm_gem_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+ .read = drm_read,
#ifdef CONFIG_COMPAT
.compat_ioctl = i915_compat_ioctl,
#endif
.pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
+ .probe = i915_pci_probe,
+ .remove = i915_pci_remove,
+ .driver.pm = &i915_pm_ops,
},
.name = DRIVER_NAME,
static int __init i915_init(void)
{
+ if (!intel_agp_enabled) {
+ DRM_ERROR("drm/i915 can't work without intel_agp module!\n");
+ return -ENODEV;
+ }
+
driver.num_ioctls = i915_max_ioctl;
+
+ i915_gem_shrinker_init();
+
+ /*
+ * If CONFIG_DRM_I915_KMS is set, default to KMS unless
+ * explicitly disabled with the module pararmeter.
+ *
+ * Otherwise, just follow the parameter (defaulting to off).
+ *
+ * Allow optional vga_text_mode_force boot option to override
+ * the default behavior.
+ */
+#if defined(CONFIG_DRM_I915_KMS)
+ if (i915_modeset != 0)
+ driver.driver_features |= DRIVER_MODESET;
+#endif
+ if (i915_modeset == 1)
+ driver.driver_features |= DRIVER_MODESET;
+
+#ifdef CONFIG_VGA_CONSOLE
+ if (vgacon_text_force() && i915_modeset == -1)
+ driver.driver_features &= ~DRIVER_MODESET;
+#endif
+
+ if (!(driver.driver_features & DRIVER_MODESET)) {
+ driver.suspend = i915_suspend;
+ driver.resume = i915_resume;
+ }
+
return drm_init(&driver);
}
static void __exit i915_exit(void)
{
+ i915_gem_shrinker_exit();
drm_exit(&driver);
}