cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/gma500/framebuffer.c

/**************************************************************************
 * Copyright (c) 2007-2011, Intel Corporation.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 *
 **************************************************************************/

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/pfn_t.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/console.h>

#include <drm/drmP.h>
#include <drm/drm.h>
#include <drm/drm_crtc.h>
#include <drm/drm_fb_helper.h>

#include "psb_drv.h"
#include "psb_intel_reg.h"
#include "psb_intel_drv.h"
#include "framebuffer.h"
#include "gtt.h"

static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
					      struct drm_file *file_priv,
					      unsigned int *handle);


static const struct drm_framebuffer_funcs psb_fb_funcs = {
	.destroy = psb_user_framebuffer_destroy,
	.create_handle = psb_user_framebuffer_create_handle,
};


#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)


static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { struct psb_fbdev *fbdev = info->par; struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; uint32_t v; if (!fb) return -ENOMEM; if (regno > 255) return 1; red = CMAP_TOHW(red, info->var.red.length); blue = CMAP_TOHW(blue, info->var.blue.length); green = CMAP_TOHW(green, info->var.green.length); transp = CMAP_TOHW(transp, info->var.transp.length); v = (red << info->var.red.offset) | (green << info->var.green.offset) | (blue << info->var.blue.offset) | (transp << info->var.transp.offset); if (regno < 16) { switch (fb->format->cpp[0] * 8) { case 16: ((uint32_t *) info->pseudo_palette)[regno] = v; break; case 24: case 32: ((uint32_t *) info->pseudo_palette)[regno] = v; break; } } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox23696.72%150.00%
Ville Syrjälä83.28%150.00%
Total244100.00%2100.00%


static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) { struct psb_fbdev *fbdev = info->par; struct psb_framebuffer *psbfb = &fbdev->pfb; struct drm_device *dev = psbfb->base.dev; /* * We have to poke our nose in here. The core fb code assumes * panning is part of the hardware that can be invoked before * the actual fb is mapped. In our case that isn't quite true. */ if (psbfb->gtt->npage) { /* GTT roll shifts in 4K pages, we need to shift the right number of pages */ int pages = info->fix.line_length >> 12; psb_gtt_roll(dev, psbfb->gtt, var->yoffset * pages); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox87100.00%1100.00%
Total87100.00%1100.00%


static int psbfb_vm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct psb_framebuffer *psbfb = vma->vm_private_data; struct drm_device *dev = psbfb->base.dev; struct drm_psb_private *dev_priv = dev->dev_private; int page_num; int i; unsigned long address; int ret; unsigned long pfn; unsigned long phys_addr = (unsigned long)dev_priv->stolen_base + psbfb->gtt->offset; page_num = vma_pages(vma); address = vmf->address - (vmf->pgoff << PAGE_SHIFT); vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); for (i = 0; i < page_num; i++) { pfn = (phys_addr >> PAGE_SHIFT); ret = vm_insert_mixed(vma, address, __pfn_to_pfn_t(pfn, PFN_DEV)); if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) break; else if (unlikely(ret != 0)) { ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; return ret; } address += PAGE_SIZE; phys_addr += PAGE_SIZE; } return VM_FAULT_NOPAGE; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox18585.25%114.29%
Dave Jiang94.15%114.29%
Yoichi Yuasa83.69%114.29%
Patrik Jakobsson62.76%114.29%
Dan J Williams52.30%114.29%
Shyam Saini31.38%114.29%
Jan Kara10.46%114.29%
Total217100.00%7100.00%


static void psbfb_vm_open(struct vm_area_struct *vma) { }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox10100.00%1100.00%
Total10100.00%1100.00%


static void psbfb_vm_close(struct vm_area_struct *vma) { }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox10100.00%1100.00%
Total10100.00%1100.00%

static const struct vm_operations_struct psbfb_vm_ops = { .fault = psbfb_vm_fault, .open = psbfb_vm_open, .close = psbfb_vm_close };
static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { struct psb_fbdev *fbdev = info->par; struct psb_framebuffer *psbfb = &fbdev->pfb; if (vma->vm_pgoff != 0) return -EINVAL; if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; if (!psbfb->addr_space) psbfb->addr_space = vma->vm_file->f_mapping; /* * If this is a GEM object then info->screen_base is the virtual * kernel remapping of the object. FIXME: Review if this is * suitable for our mmap work */ vma->vm_ops = &psbfb_vm_ops; vma->vm_private_data = (void *)psbfb; vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox11298.25%150.00%
Konstantin Khlebnikov21.75%150.00%
Total114100.00%2100.00%

static struct fb_ops psbfb_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = psbfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_mmap = psbfb_mmap, .fb_sync = psbfb_sync, }; static struct fb_ops psbfb_roll_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = drm_fb_helper_cfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_pan_display = psbfb_pan, .fb_mmap = psbfb_mmap, }; static struct fb_ops psbfb_unaccel_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = drm_fb_helper_cfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit, .fb_mmap = psbfb_mmap, }; /** * psb_framebuffer_init - initialize a framebuffer * @dev: our DRM device * @fb: framebuffer to set up * @mode_cmd: mode description * @gt: backing object * * Configure and fill in the boilerplate for our frame buffer. Return * 0 on success or an error code if we fail. */
static int psb_framebuffer_init(struct drm_device *dev, struct psb_framebuffer *fb, const struct drm_mode_fb_cmd2 *mode_cmd, struct gtt_range *gt) { const struct drm_format_info *info; int ret; /* * Reject unknown formats, YUV formats, and formats with more than * 4 bytes per pixel. */ info = drm_format_info(mode_cmd->pixel_format); if (!info || !info->depth || info->cpp[0] > 4) return -EINVAL; if (mode_cmd->pitches[0] & 63) return -EINVAL; drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); fb->gtt = gt; ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); if (ret) { dev_err(dev->dev, "framebuffer init failed: %d\n", ret); return ret; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox8057.14%116.67%
Laurent Pinchart3021.43%116.67%
Daniel Vetter1611.43%116.67%
Dave Airlie117.86%116.67%
Ville Syrjälä32.14%233.33%
Total140100.00%6100.00%

/** * psb_framebuffer_create - create a framebuffer backed by gt * @dev: our DRM device * @mode_cmd: the description of the requested mode * @gt: the backing object * * Create a framebuffer object backed by the gt, and fill in the * boilerplate required * * TODO: review object references */
static struct drm_framebuffer *psb_framebuffer_create (struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd, struct gtt_range *gt) { struct psb_framebuffer *fb; int ret; fb = kzalloc(sizeof(*fb), GFP_KERNEL); if (!fb) return ERR_PTR(-ENOMEM); ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); if (ret) { kfree(fb); return ERR_PTR(ret); } return &fb->base; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox9197.85%133.33%
Dave Airlie11.08%133.33%
Ville Syrjälä11.08%133.33%
Total93100.00%3100.00%

/** * psbfb_alloc - allocate frame buffer memory * @dev: the DRM device * @aligned_size: space needed * * Allocate the frame buffer. In the usual case we get a GTT range that * is stolen memory backed and life is simple. If there isn't sufficient * we fail as we don't have the virtual mapping space to really vmap it * and the kernel console code can't handle non linear framebuffers. * * Re-address this as and if the framebuffer layer grows this ability. */
static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) { struct gtt_range *backing; /* Begin by trying to use stolen memory backing */ backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE); if (backing) { drm_gem_private_object_init(dev, &backing->gem, aligned_size); return backing; } return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox5895.08%133.33%
Patrik Jakobsson23.28%133.33%
David Herrmann11.64%133.33%
Total61100.00%3100.00%

/** * psbfb_create - create a framebuffer * @fbdev: the framebuffer device * @sizes: specification of the layout * * Create a framebuffer to the specifications provided */
static int psbfb_create(struct psb_fbdev *fbdev, struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = fbdev->psb_fb_helper.dev; struct drm_psb_private *dev_priv = dev->dev_private; struct fb_info *info; struct drm_framebuffer *fb; struct psb_framebuffer *psbfb = &fbdev->pfb; struct drm_mode_fb_cmd2 mode_cmd; int size; int ret; struct gtt_range *backing; u32 bpp, depth; int gtt_roll = 0; int pitch_lines = 0; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; bpp = sizes->surface_bpp; depth = sizes->surface_depth; /* No 24bit packed */ if (bpp == 24) bpp = 32; do { /* * Acceleration via the GTT requires pitch to be * power of two aligned. Preferably page but less * is ok with some fonts */ mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines); size = mode_cmd.pitches[0] * mode_cmd.height; size = ALIGN(size, PAGE_SIZE); /* Allocate the fb in the GTT with stolen page backing */ backing = psbfb_alloc(dev, size); if (pitch_lines) pitch_lines *= 2; else pitch_lines = 1; gtt_roll++; } while (backing == NULL && pitch_lines <= 16); /* The final pitch we accepted if we succeeded */ pitch_lines /= 2; if (backing == NULL) { /* * We couldn't get the space we wanted, fall back to the * display engine requirement instead. The HW requires * the pitch to be 64 byte aligned */ gtt_roll = 0; /* Don't use GTT accelerated scrolling */ pitch_lines = 64; mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64); size = mode_cmd.pitches[0] * mode_cmd.height; size = ALIGN(size, PAGE_SIZE); /* Allocate the framebuffer in the GTT with stolen page backing */ backing = psbfb_alloc(dev, size); if (backing == NULL) return -ENOMEM; } memset(dev_priv->vram_addr + backing->offset, 0, size); info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper); if (IS_ERR(info)) { ret = PTR_ERR(info); goto err_free_range; } info->par = fbdev; mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); if (ret) goto err_release; fb = &psbfb->base; psbfb->fbdev = info; fbdev->psb_fb_helper.fb = fb; drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth); strcpy(info->fix.id, "psbdrmfb"); info->flags = FBINFO_DEFAULT; if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */ info->fbops = &psbfb_ops; else if (gtt_roll) { /* GTT rolling seems best */ info->fbops = &psbfb_roll_ops; info->flags |= FBINFO_HWACCEL_YPAN; } else /* Software */ info->fbops = &psbfb_unaccel_ops; info->fix.smem_start = dev->mode_config.fb_base; info->fix.smem_len = size; info->fix.ywrapstep = gtt_roll; info->fix.ypanstep = 0; /* Accessed stolen memory directly */ info->screen_base = dev_priv->vram_addr + backing->offset; info->screen_size = size; if (dev_priv->gtt.stolen_size) { info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; } drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, sizes->fb_width, sizes->fb_height); info->fix.mmio_start = pci_resource_start(dev->pdev, 0); info->fix.mmio_len = pci_resource_len(dev->pdev, 0); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ dev_dbg(dev->dev, "allocated %dx%d fb\n", psbfb->base.width, psbfb->base.height); return 0; err_release: drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); err_free_range: psb_gtt_free_range(dev, backing); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox63091.44%646.15%
Dave Airlie253.63%17.69%
Archit Taneja202.90%17.69%
Kirill A. Shutemov60.87%17.69%
Sudip Mukherjee40.58%17.69%
Ville Syrjälä20.29%17.69%
Sascha Hauer10.15%17.69%
Patrik Jakobsson10.15%17.69%
Total689100.00%13100.00%

/** * psb_user_framebuffer_create - create framebuffer * @dev: our DRM device * @filp: client file * @cmd: mode request * * Create a new framebuffer backed by a userspace GEM object */
static struct drm_framebuffer *psb_user_framebuffer_create (struct drm_device *dev, struct drm_file *filp, const struct drm_mode_fb_cmd2 *cmd) { struct gtt_range *r; struct drm_gem_object *obj; /* * Find the GEM object and thus the gtt range object that is * to back this space */ obj = drm_gem_object_lookup(filp, cmd->handles[0]); if (obj == NULL) return ERR_PTR(-ENOENT); /* Let the core code do all the work */ r = container_of(obj, struct gtt_range, gem); return psb_framebuffer_create(dev, cmd, r); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox7992.94%133.33%
Dave Airlie55.88%133.33%
Ville Syrjälä11.18%133.33%
Total85100.00%3100.00%


static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno) { struct gma_crtc *gma_crtc = to_gma_crtc(crtc); gma_crtc->lut_r[regno] = red >> 8; gma_crtc->lut_g[regno] = green >> 8; gma_crtc->lut_b[regno] = blue >> 8; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox6090.91%266.67%
Patrik Jakobsson69.09%133.33%
Total66100.00%3100.00%


static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno) { struct gma_crtc *gma_crtc = to_gma_crtc(crtc); *red = gma_crtc->lut_r[regno] << 8; *green = gma_crtc->lut_g[regno] << 8; *blue = gma_crtc->lut_b[regno] << 8; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox6691.67%266.67%
Patrik Jakobsson68.33%133.33%
Total72100.00%3100.00%


static int psbfb_probe(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct psb_fbdev *psb_fbdev = container_of(helper, struct psb_fbdev, psb_fb_helper); struct drm_device *dev = psb_fbdev->psb_fb_helper.dev; struct drm_psb_private *dev_priv = dev->dev_private; int bytespp; bytespp = sizes->surface_bpp / 8; if (bytespp == 3) /* no 24bit packed */ bytespp = 4; /* If the mode will not fit in 32bit then switch to 16bit to get a console on full resolution. The X mode setting server will allocate its own 32bit GEM framebuffer */ if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height > dev_priv->vram_stolen_size) { sizes->surface_bpp = 16; sizes->surface_depth = 16; } return psbfb_create(psb_fbdev, sizes); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox10993.16%250.00%
Fabian Frederick75.98%125.00%
Daniel Vetter10.85%125.00%
Total117100.00%4100.00%

static const struct drm_fb_helper_funcs psb_fb_helper_funcs = { .gamma_set = psbfb_gamma_set, .gamma_get = psbfb_gamma_get, .fb_probe = psbfb_probe, };
static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) { struct psb_framebuffer *psbfb = &fbdev->pfb; drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper); drm_fb_helper_release_fbi(&fbdev->psb_fb_helper); drm_fb_helper_fini(&fbdev->psb_fb_helper); drm_framebuffer_unregister_private(&psbfb->base); drm_framebuffer_cleanup(&psbfb->base); if (psbfb->gtt) drm_gem_object_unreference_unlocked(&psbfb->gtt->gem); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox6981.18%120.00%
Daniel Vetter910.59%240.00%
Archit Taneja67.06%120.00%
Kirill A. Shutemov11.18%120.00%
Total85100.00%5100.00%


int psb_fbdev_init(struct drm_device *dev) { struct psb_fbdev *fbdev; struct drm_psb_private *dev_priv = dev->dev_private; int ret; fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); if (!fbdev) { dev_err(dev->dev, "no memory\n"); return -ENOMEM; } dev_priv->fbdev = fbdev; drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs); ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper, INTELFB_CONN_LIMIT); if (ret) goto free; ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); if (ret) goto fini; /* disable all the possible outputs/crtcs before entering KMS mode */ drm_helper_disable_unused_functions(dev); ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); if (ret) goto fini; return 0; fini: drm_fb_helper_fini(&fbdev->psb_fb_helper); free: kfree(fbdev); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox10261.82%125.00%
Thierry Reding5734.55%250.00%
Daniel Vetter63.64%125.00%
Total165100.00%4100.00%


static void psb_fbdev_fini(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; if (!dev_priv->fbdev) return; psb_fbdev_destroy(dev, dev_priv->fbdev); kfree(dev_priv->fbdev); dev_priv->fbdev = NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox4998.00%150.00%
Kirill A. Shutemov12.00%150.00%
Total50100.00%2100.00%


static void psbfb_output_poll_changed(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox42100.00%1100.00%
Total42100.00%1100.00%

/** * psb_user_framebuffer_create_handle - add hamdle to a framebuffer * @fb: framebuffer * @file_priv: our DRM file * @handle: returned handle * * Our framebuffer object is a GTT range which also contains a GEM * object. We need to turn it into a handle for userspace. GEM will do * the work for us */
static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, struct drm_file *file_priv, unsigned int *handle) { struct psb_framebuffer *psbfb = to_psb_fb(fb); struct gtt_range *r = psbfb->gtt; return drm_gem_handle_create(file_priv, &r->gem, handle); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox53100.00%1100.00%
Total53100.00%1100.00%

/** * psb_user_framebuffer_destroy - destruct user created fb * @fb: framebuffer * * User framebuffers are backed by GEM objects so all we have to do is * clean up a bit and drop the reference, GEM will handle the fallout */
static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct psb_framebuffer *psbfb = to_psb_fb(fb); struct gtt_range *r = psbfb->gtt; /* Let DRM do its clean up */ drm_framebuffer_cleanup(fb); /* We are no longer using the resource in GEM */ drm_gem_object_unreference_unlocked(&r->gem); kfree(fb); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox50100.00%1100.00%
Total50100.00%1100.00%

static const struct drm_mode_config_funcs psb_mode_funcs = { .fb_create = psb_user_framebuffer_create, .output_poll_changed = psbfb_output_poll_changed, };
static void psb_setup_outputs(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; struct drm_connector *connector; drm_mode_create_scaling_mode_property(dev); /* It is ok for this to fail - we just don't get backlight control */ if (!dev_priv->backlight_property) dev_priv->backlight_property = drm_property_create_range(dev, 0, "backlight", 0, 100); dev_priv->ops->output_init(dev); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct gma_encoder *gma_encoder = gma_attached_encoder(connector); struct drm_encoder *encoder = &gma_encoder->base; int crtc_mask = 0, clone_mask = 0; /* valid crtcs */ switch (gma_encoder->type) { case INTEL_OUTPUT_ANALOG: crtc_mask = (1 << 0); clone_mask = (1 << INTEL_OUTPUT_ANALOG); break; case INTEL_OUTPUT_SDVO: crtc_mask = dev_priv->ops->sdvo_mask; clone_mask = (1 << INTEL_OUTPUT_SDVO); break; case INTEL_OUTPUT_LVDS: crtc_mask = dev_priv->ops->lvds_mask; clone_mask = (1 << INTEL_OUTPUT_LVDS); break; case INTEL_OUTPUT_MIPI: crtc_mask = (1 << 0); clone_mask = (1 << INTEL_OUTPUT_MIPI); break; case INTEL_OUTPUT_MIPI2: crtc_mask = (1 << 2); clone_mask = (1 << INTEL_OUTPUT_MIPI2); break; case INTEL_OUTPUT_HDMI: crtc_mask = dev_priv->ops->hdmi_mask; clone_mask = (1 << INTEL_OUTPUT_HDMI); break; case INTEL_OUTPUT_DISPLAYPORT: crtc_mask = (1 << 0) | (1 << 1); clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT); break; case INTEL_OUTPUT_EDP: crtc_mask = (1 << 1); clone_mask = (1 << INTEL_OUTPUT_EDP); } encoder->possible_crtcs = crtc_mask; encoder->possible_clones = gma_connector_clones(dev, clone_mask); } }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox25988.10%436.36%
Yakui Zhao196.46%19.09%
Patrik Jakobsson124.08%545.45%
Sascha Hauer41.36%19.09%
Total294100.00%11100.00%


void psb_modeset_init(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; int i; drm_mode_config_init(dev); dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; dev->mode_config.funcs = &psb_mode_funcs; /* set memory base */ /* Oaktrail and Poulsbo should use BAR 2*/ pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) &(dev->mode_config.fb_base)); /* num pipes is 2 for PSB but 1 for Mrst */ for (i = 0; i < dev_priv->num_pipe; i++) psb_intel_crtc_init(dev, i, mode_dev); dev->mode_config.max_width = 4096; dev->mode_config.max_height = 4096; psb_setup_outputs(dev); if (dev_priv->ops->errata) dev_priv->ops->errata(dev); dev_priv->modeset = true; }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox15398.71%480.00%
Patrik Jakobsson21.29%120.00%
Total155100.00%5100.00%


void psb_modeset_cleanup(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; if (dev_priv->modeset) { drm_kms_helper_poll_fini(dev); psb_fbdev_fini(dev); drm_mode_config_cleanup(dev); } }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox42100.00%2100.00%
Total42100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Alan Cox292789.87%1323.21%
Thierry Reding581.78%35.36%
Dave Airlie451.38%11.79%
Patrik Jakobsson351.07%1017.86%
Archit Taneja341.04%11.79%
Daniel Vetter320.98%58.93%
Laurent Pinchart310.95%23.57%
Yakui Zhao190.58%11.79%
Ville Syrjälä150.46%47.14%
Kirill A. Shutemov90.28%35.36%
Dave Jiang90.28%11.79%
Yoichi Yuasa80.25%11.79%
Dan J Williams80.25%11.79%
Fabian Frederick70.21%11.79%
Sascha Hauer50.15%23.57%
Sudip Mukherjee40.12%11.79%
Stefan Christ30.09%11.79%
Shyam Saini30.09%11.79%
Konstantin Khlebnikov20.06%11.79%
Jan Kara10.03%11.79%
David Herrmann10.03%11.79%
Jiang Biao10.03%11.79%
Total3257100.00%56100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.