From: "Luis R. Rodriguez" <[email protected]> This driver never removed the MTRRs. Fix that.
Cc: Suresh Siddha <[email protected]> Cc: Venkatesh Pallipadi <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Juergen Gross <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Airlie <[email protected]> Cc: Antonino Daplas <[email protected]> Cc: Jean-Christophe Plagniol-Villard <[email protected]> Cc: Tomi Valkeinen <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Luis R. Rodriguez <[email protected]> --- drivers/video/fbdev/gbefb.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c index 6d9ef39..f48ea7e 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; }; @@ -1199,7 +1200,8 @@ static int gbefb_probe(struct platform_device *p_dev) } #ifdef CONFIG_X86 - mtrr_add(gbe_mem_phys, gbe_mem_size, MTRR_TYPE_WRCOMB, 1); + info->wc_cookie = mtrr_add(gbe_mem_phys, gbe_mem_size, + MTRR_TYPE_WRCOMB, 1); #endif /* map framebuffer memory into tiles table */ @@ -1240,6 +1242,10 @@ static int gbefb_probe(struct platform_device *p_dev) return 0; out_gbe_unmap: +#ifdef CONFIG_MTRR + if (info->wc_cookie >= 0) + mtrr_del(info->wc_cookie, 0, 0); +#endif if (gbe_dma_addr) dma_free_coherent(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys); out_tiles_free: @@ -1259,6 +1265,10 @@ static int gbefb_remove(struct platform_device* p_dev) unregister_framebuffer(info); gbe_turn_off(); +#ifdef CONFIG_MTRR + if (info->wc_cookie >= 0) + mtrr_del(info->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), -- 2.3.2.209.gd67f9d5.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
