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author | 2013-07-09 16:04:31 -0700 | |
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committer | 2013-07-09 16:04:31 -0700 | |
commit | 2e17c5a97e231f3cb426f4b7895eab5be5c5442e (patch) | |
tree | 80871817427250200d6931a45ccb4833c4add74a /drivers/video/uvesafb.c | |
parent | Merge tag 'fbdev-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/p... (diff) | |
parent | Merge branch 'drm-next-3.11' of git://people.freedesktop.org/~agd5f/linux int... (diff) | |
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Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"Okay this is the big one, I was stalled on the fbdev pull req as I
stupidly let fbdev guys merge a patch I required to fix a warning with
some patches I had, they ended up merging the patch from the wrong
place, but the warning should be fixed. In future I'll just take the
patch myself!
Outside drm:
There are some snd changes for the HDMI audio interactions on haswell,
they've been acked for inclusion via my tree. This relies on the
wound/wait tree from Ingo which is already merged.
Major changes:
AMD finally released the dynamic power management code for all their
GPUs from r600->present day, this is great, off by default for now but
also a huge amount of code, in fact it is most of this pull request.
Since it landed there has been a lot of community testing and Alex has
sent a lot of fixes for any bugs found so far. I suspect radeon might
now be the biggest kernel driver ever :-P p.s. radeon.dpm=1 to enable
dynamic powermanagement for anyone.
New drivers:
Renesas r-car display unit.
Other highlights:
- core: GEM CMA prime support, use new w/w mutexs for TTM
reservations, cursor hotspot, doc updates
- dvo chips: chrontel 7010B support
- i915: Haswell (fbc, ips, vecs, watermarks, audio powerwell),
Valleyview (enabled by default, rc6), lots of pll reworking, 30bpp
support (this time for sure)
- nouveau: async buffer object deletion, context/register init
updates, kernel vp2 engine support, GF117 support, GK110 accel
support (with external nvidia ucode), context cleanups.
- exynos: memory leak fixes, Add S3C64XX SoC series support, device
tree updates, common clock framework support,
- qxl: cursor hotspot support, multi-monitor support, suspend/resume
support
- mgag200: hw cursor support, g200 mode limiting
- shmobile: prime support
- tegra: fixes mostly
I've been banging on this quite a lot due to the size of it, and it
seems to okay on everything I've tested it on."
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (811 commits)
drm/radeon/dpm: implement vblank_too_short callback for si
drm/radeon/dpm: implement vblank_too_short callback for cayman
drm/radeon/dpm: implement vblank_too_short callback for btc
drm/radeon/dpm: implement vblank_too_short callback for evergreen
drm/radeon/dpm: implement vblank_too_short callback for 7xx
drm/radeon/dpm: add checks against vblank time
drm/radeon/dpm: add helper to calculate vblank time
drm/radeon: remove stray line in old pm code
drm/radeon/dpm: fix display_gap programming on rv7xx
drm/nvc0/gr: fix gpc firmware regression
drm/nouveau: fix minor thinko causing bo moves to not be async on kepler
drm/radeon/dpm: implement force performance level for TN
drm/radeon/dpm: implement force performance level for ON/LN
drm/radeon/dpm: implement force performance level for SI
drm/radeon/dpm: implement force performance level for cayman
drm/radeon/dpm: implement force performance levels for 7xx/eg/btc
drm/radeon/dpm: add infrastructure to force performance levels
drm/radeon: fix surface setup on r1xx
drm/radeon: add support for 3d perf states on older asics
drm/radeon: set default clocks for SI when DPM is disabled
...
Diffstat (limited to 'drivers/video/uvesafb.c')
-rw-r--r-- | drivers/video/uvesafb.c | 70 |
1 files changed, 17 insertions, 53 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index 10138b60fd70..b963ea12d175 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -24,9 +24,6 @@ #ifdef CONFIG_X86 #include <video/vga.h> #endif -#ifdef CONFIG_MTRR -#include <asm/mtrr.h> -#endif #include "edid.h" static struct cb_id uvesafb_cn_id = { @@ -1540,67 +1537,30 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) static void uvesafb_init_mtrr(struct fb_info *info) { -#ifdef CONFIG_MTRR + struct uvesafb_par *par = info->par; + if (mtrr && !(info->fix.smem_start & (PAGE_SIZE - 1))) { int temp_size = info->fix.smem_len; - unsigned int type = 0; - switch (mtrr) { - case 1: - type = MTRR_TYPE_UNCACHABLE; - break; - case 2: - type = MTRR_TYPE_WRBACK; - break; - case 3: - type = MTRR_TYPE_WRCOMB; - break; - case 4: - type = MTRR_TYPE_WRTHROUGH; - break; - default: - type = 0; - break; - } + int rc; - if (type) { - int rc; + /* Find the largest power-of-two */ + temp_size = roundup_pow_of_two(temp_size); - /* Find the largest power-of-two */ - temp_size = roundup_pow_of_two(temp_size); + /* Try and find a power of two to add */ + do { + rc = arch_phys_wc_add(info->fix.smem_start, temp_size); + temp_size >>= 1; + } while (temp_size >= PAGE_SIZE && rc == -EINVAL); - /* Try and find a power of two to add */ - do { - rc = mtrr_add(info->fix.smem_start, - temp_size, type, 1); - temp_size >>= 1; - } while (temp_size >= PAGE_SIZE && rc == -EINVAL); - } + if (rc >= 0) + par->mtrr_handle = rc; } -#endif /* CONFIG_MTRR */ } static void uvesafb_ioremap(struct fb_info *info) { -#ifdef CONFIG_X86 - switch (mtrr) { - case 1: /* uncachable */ - info->screen_base = ioremap_nocache(info->fix.smem_start, info->fix.smem_len); - break; - case 2: /* write-back */ - info->screen_base = ioremap_cache(info->fix.smem_start, info->fix.smem_len); - break; - case 3: /* write-combining */ - info->screen_base = ioremap_wc(info->fix.smem_start, info->fix.smem_len); - break; - case 4: /* write-through */ - default: - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); - break; - } -#else - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); -#endif /* CONFIG_X86 */ + info->screen_base = ioremap_wc(info->fix.smem_start, info->fix.smem_len); } static ssize_t uvesafb_show_vbe_ver(struct device *dev, @@ -1851,6 +1811,7 @@ static int uvesafb_remove(struct platform_device *dev) unregister_framebuffer(info); release_region(0x3c0, 32); iounmap(info->screen_base); + arch_phys_wc_del(par->mtrr_handle); release_mem_region(info->fix.smem_start, info->fix.smem_len); fb_destroy_modedb(info->monspecs.modedb); fb_dealloc_cmap(&info->cmap); @@ -1930,6 +1891,9 @@ static int uvesafb_setup(char *options) } } + if (mtrr != 3 && mtrr != 1) + pr_warn("uvesafb: mtrr should be set to 0 or 3; %d is unsupported", mtrr); + return 0; } #endif /* !MODULE */ |