diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/framebuffer.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/framebuffer.c | 110 |
1 files changed, 13 insertions, 97 deletions
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 54d9876b5305..fc4fda1d258b 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -24,6 +24,7 @@ #include <drm/drm_gem_framebuffer_helper.h> #include "framebuffer.h" +#include "gem.h" #include "gtt.h" #include "psb_drv.h" #include "psb_intel_drv.h" @@ -75,27 +76,6 @@ static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, return 0; } -static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) -{ - struct drm_fb_helper *fb_helper = info->par; - struct drm_framebuffer *fb = fb_helper->fb; - struct drm_device *dev = fb->dev; - struct gtt_range *gtt = to_gtt_range(fb->obj[0]); - - /* - * 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 (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, gtt, var->yoffset * pages); - } - return 0; -} - static vm_fault_t psbfb_vm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; @@ -164,28 +144,6 @@ static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) return 0; } -static const 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 const 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 const struct fb_ops psbfb_unaccel_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, @@ -285,6 +243,7 @@ static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size) /* Begin by trying to use stolen memory backing */ backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE); if (backing) { + backing->gem.funcs = &psb_gem_object_funcs; drm_gem_private_object_init(dev, &backing->gem, aligned_size); return backing; } @@ -310,8 +269,6 @@ static int psbfb_create(struct drm_fb_helper *fb_helper, 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; @@ -322,50 +279,15 @@ static int psbfb_create(struct drm_fb_helper *fb_helper, 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; - } + mode_cmd.pitches[0] = ALIGN(mode_cmd.width * DIV_ROUND_UP(bpp, 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); @@ -385,17 +307,11 @@ static int psbfb_create(struct drm_fb_helper *fb_helper, fb_helper->fb = fb; - 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->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.ywrapstep = 0; info->fix.ypanstep = 0; /* Accessed stolen memory directly */ |