diff options
| author | Luis R. Rodriguez <mcgrof@suse.com> | 2015-05-28 17:30:33 -0700 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-05-29 08:45:28 +0300 |
| commit | 5944d733f34a9b2a5ce7ab2eb17f41ebfaf90a65 (patch) | |
| tree | f70f8d8b0c9a5823e196946aa8418791eda75345 /drivers/video/fbdev/gbefb.c | |
| parent | 5e200b5352ccc40f39b64df5216772780ef03e7f (diff) | |
video: fbdev: gbefb: add missing mtrr_del() calls
This driver never removed the MTRRs. Fix that.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Masanari Iida <standby24x7@gmail.com>
Cc: Suresh Siddha <sbsiddha@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/fbdev/gbefb.c')
| -rw-r--r-- | drivers/video/fbdev/gbefb.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c index 6d9ef39810c8..4e54faa066dc 100644 --- a/drivers/video/fbdev/gbefb.c +++ b/drivers/video/fbdev/gbefb.c @@ -38,6 +38,7 @@ static struct sgi_gbe *gbe; struct gbefb_par { struct fb_var_screeninfo var; struct gbe_timing_info timing; + int wc_cookie; int valid; }; @@ -1198,8 +1199,10 @@ static int gbefb_probe(struct platform_device *p_dev) gbe_mem_phys = (unsigned long) gbe_dma_addr; } + par = info->par; #ifdef CONFIG_X86 - mtrr_add(gbe_mem_phys, gbe_mem_size, MTRR_TYPE_WRCOMB, 1); + par->wc_cookie = mtrr_add(gbe_mem_phys, gbe_mem_size, + MTRR_TYPE_WRCOMB, 1); #endif /* map framebuffer memory into tiles table */ @@ -1215,7 +1218,6 @@ static int gbefb_probe(struct platform_device *p_dev) /* reset GBE */ gbe_reset(); - par = info->par; /* turn on default video mode */ if (fb_find_mode(&par->var, info, mode_option, NULL, 0, default_mode, 8) == 0) @@ -1240,6 +1242,10 @@ static int gbefb_probe(struct platform_device *p_dev) return 0; out_gbe_unmap: +#ifdef CONFIG_MTRR + if (par->wc_cookie >= 0) + mtrr_del(par->wc_cookie, 0, 0); +#endif if (gbe_dma_addr) dma_free_coherent(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys); out_tiles_free: @@ -1256,9 +1262,14 @@ out_release_framebuffer: static int gbefb_remove(struct platform_device* p_dev) { struct fb_info *info = platform_get_drvdata(p_dev); + struct gbefb_par *par = info->par; unregister_framebuffer(info); gbe_turn_off(); +#ifdef CONFIG_MTRR + if (par->wc_cookie >= 0) + mtrr_del(par->wc_cookie, 0, 0); +#endif if (gbe_dma_addr) dma_free_coherent(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys); dma_free_coherent(NULL, GBE_TLB_SIZE * sizeof(uint16_t), |