linux-stable.git/drivers/video/fbdev/atafb.c, branch linux-3.17.y Linux kernel stable tree m68k/atari - atafb: convert allocation of fb ram to new interface 2014-05-26T20:41:24+00:00 Michael Schmitz schmitzmic@gmail.com 2014-03-31T08:06:06+00:00 cf8c8781d97e514cceb520252c2c78f853e951cd The new atari_stram_alloc interface returns kernel virtual addresses even if the kernel runs in FastRAM. These addresses are not guaranteed to be identical with the physical addresses. Since ST-RAM mappings have not been set up by mem_init, virt_to_phys() and its cousin do not work and the atari_stram_to_phys() etc. helpers must be used to determine physical addresses. fb.fix->smem_start needs physical addresses, fb.par->screen_base needs virtual addresses. Take care of the virt-to-phys conversion both on fb init and par changes. Signed-off-by: Michael Schmitz <schmitz@debian.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> 
The new atari_stram_alloc interface returns kernel virtual addresses
even if the kernel runs in FastRAM. These addresses are not
guaranteed to be identical with the physical addresses. Since ST-RAM
mappings have not been set up by mem_init, virt_to_phys() and its
cousin do not work and the atari_stram_to_phys() etc. helpers must
be used to determine physical addresses.

fb.fix->smem_start needs physical addresses, fb.par->screen_base
needs virtual addresses. Take care of the virt-to-phys conversion
both on fb init and par changes.

Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
video: move fbdev to drivers/video/fbdev 2014-04-17T05:10:19+00:00 Tomi Valkeinen tomi.valkeinen@ti.com 2014-02-13T13:31:38+00:00 f7018c21350204c4cf628462f229d44d03545254 The drivers/video directory is a mess. It contains generic video related files, directories for backlight, console, linux logo, lots of fbdev device drivers, fbdev framework files. Make some order into the chaos by creating drivers/video/fbdev directory, and move all fbdev related files there. No functionality is changed, although I guess it is possible that some subtle Makefile build order related issue could be created by this patch. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Rob Clark <robdclark@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> 
The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.

Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.

No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>