The patch titled stifb: fix crash A1439A CRX (Rattler) graphics card has been removed from the -mm tree. Its filename was stifb-fix-crash-a1439a-crx-rattler-graphics-card.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: stifb: fix crash A1439A CRX (Rattler) graphics card From: Helge Deller <deller@xxxxxx> Fix kernel crash when stifb driver is used with a A1439A CRX (Rattler) graphics card. (Reference: http://thread.gmane.org/gmane.linux.ports.hppa/1834) Signed-off-by: Helge Deller <deller@xxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/video/stifb.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff -puN drivers/video/stifb.c~stifb-fix-crash-a1439a-crx-rattler-graphics-card drivers/video/stifb.c --- a/drivers/video/stifb.c~stifb-fix-crash-a1439a-crx-rattler-graphics-card +++ a/drivers/video/stifb.c @@ -505,16 +505,24 @@ ngleSetupAttrPlanes(struct stifb_info *f static void rattlerSetupPlanes(struct stifb_info *fb) { + int saved_id, y; + + /* Write RAMDAC pixel read mask register so all overlay + * planes are display-enabled. (CRX24 uses Bt462 pixel + * read mask register for overlay planes, not image planes). + */ CRX24_SETUP_RAMDAC(fb); - /* replacement for: SETUP_FB(fb, CRX24_OVERLAY_PLANES); */ - WRITE_WORD(0x83000300, fb, REG_14); - SETUP_HW(fb); - WRITE_BYTE(1, fb, REG_16b1); + /* change fb->id temporarily to fool SETUP_FB() */ + saved_id = fb->id; + fb->id = CRX24_OVERLAY_PLANES; + SETUP_FB(fb); + fb->id = saved_id; + + for (y = 0; y < fb->info.var.yres; ++y) + memset(fb->info.screen_base + y * fb->info.fix.line_length, + 0xff, fb->info.var.xres * fb->info.var.bits_per_pixel/8); - fb_memset((void*)fb->info.fix.smem_start, 0xff, - fb->info.var.yres*fb->info.fix.line_length); - CRX24_SET_OVLY_MASK(fb); SETUP_FB(fb); } _ Patches currently in -mm which might be from deller@xxxxxx are origin.patch git-parisc.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html