forked from luck/tmp_suning_uos_patched
96fe6a2109
The Coordinated Video Timings (CVT) is the latest standard approved by VESA
concerning video timings generation. It addresses the limitation of GTF which
is designed mainly for CRT displays. CRT's have a high blanking requirement
(as much as 25% of the horizontal frame length) which artificially increases
the pixelclock. Digital displays, on the other hand, needs to conserve the
pixelclock as much as possible. The GTF also does not take into account the
different aspect ratios in its calculation.
The new function added is fb_find_mode_cvt(). It is called by fb_find_mode()
if it recognizes a mode option string formatted for CVT. The format is:
<xres>x<yres>[M][R][-<bpp>][<at-sign><refresh>][i][m]
The 'M' tells the function to calculate using CVT. On it's own, it will
compute a timing for CRT displays at 60Hz. If the 'R' is specified, 'reduced
blanking' computation will be used, best for flatpanels. The 'i' and the 'm'
is for 'interlaced mode' and 'with margins' respectively.
To determine if CVT was used, check for dmesg for something like this:
CVT Mode - <pix>M<n>[-R], ie: .480M3-R (800x600 reduced blanking)
where: pix - product of xres and yres, in MB
M - is a CVT mode
n - the aspect ratio (3 - 4:3; 4 - 5:4; 9 - 16:9, 15:9; A - 16:10)
-R - reduced blanking
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
105 lines
4.3 KiB
Makefile
105 lines
4.3 KiB
Makefile
# Makefile for the Linux video drivers.
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# 5 Aug 1999, James Simmons, <mailto:jsimmons@users.sf.net>
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# Rewritten to use lists instead of if-statements.
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# Each configuration option enables a list of files.
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obj-$(CONFIG_VT) += console/
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obj-$(CONFIG_LOGO) += logo/
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obj-$(CONFIG_SYSFS) += backlight/
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obj-$(CONFIG_FB) += fb.o
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fb-y := fbmem.o fbmon.o fbcmap.o fbsysfs.o \
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modedb.o fbcvt.o
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fb-objs := $(fb-y)
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obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o
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obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o
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obj-$(CONFIG_FB_CFB_IMAGEBLIT) += cfbimgblt.o
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obj-$(CONFIG_FB_SOFT_CURSOR) += softcursor.o
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obj-$(CONFIG_FB_MACMODES) += macmodes.o
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# Hardware specific drivers go first
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obj-$(CONFIG_FB_RETINAZ3) += retz3fb.o
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obj-$(CONFIG_FB_AMIGA) += amifb.o c2p.o
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obj-$(CONFIG_FB_ARC) += arcfb.o
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obj-$(CONFIG_FB_CLPS711X) += clps711xfb.o
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obj-$(CONFIG_FB_CYBER) += cyberfb.o
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obj-$(CONFIG_FB_CYBER2000) += cyber2000fb.o
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obj-$(CONFIG_FB_PM2) += pm2fb.o
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obj-$(CONFIG_FB_PM3) += pm3fb.o
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obj-$(CONFIG_FB_MATROX) += matrox/
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obj-$(CONFIG_FB_RIVA) += riva/ vgastate.o
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obj-$(CONFIG_FB_NVIDIA) += nvidia/
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obj-$(CONFIG_FB_ATY) += aty/ macmodes.o
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obj-$(CONFIG_FB_ATY128) += aty/ macmodes.o
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obj-$(CONFIG_FB_RADEON) += aty/
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obj-$(CONFIG_FB_SIS) += sis/
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obj-$(CONFIG_FB_KYRO) += kyro/
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obj-$(CONFIG_FB_SAVAGE) += savage/
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obj-$(CONFIG_FB_GEODE) += geode/
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obj-$(CONFIG_FB_I810) += vgastate.o
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obj-$(CONFIG_FB_RADEON_OLD) += radeonfb.o
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obj-$(CONFIG_FB_NEOMAGIC) += neofb.o vgastate.o
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obj-$(CONFIG_FB_VIRGE) += virgefb.o
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obj-$(CONFIG_FB_3DFX) += tdfxfb.o
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obj-$(CONFIG_FB_CONTROL) += controlfb.o
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obj-$(CONFIG_FB_PLATINUM) += platinumfb.o
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obj-$(CONFIG_FB_VALKYRIE) += valkyriefb.o
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obj-$(CONFIG_FB_CT65550) += chipsfb.o
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obj-$(CONFIG_FB_IMSTT) += imsttfb.o
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obj-$(CONFIG_FB_S3TRIO) += S3triofb.o
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obj-$(CONFIG_FB_FM2) += fm2fb.o
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obj-$(CONFIG_FB_CYBLA) += cyblafb.o
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obj-$(CONFIG_FB_TRIDENT) += tridentfb.o
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obj-$(CONFIG_FB_STI) += stifb.o
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obj-$(CONFIG_FB_FFB) += ffb.o sbuslib.o
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obj-$(CONFIG_FB_CG6) += cg6.o sbuslib.o
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obj-$(CONFIG_FB_CG3) += cg3.o sbuslib.o
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obj-$(CONFIG_FB_BW2) += bw2.o sbuslib.o
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obj-$(CONFIG_FB_CG14) += cg14.o sbuslib.o
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obj-$(CONFIG_FB_P9100) += p9100.o sbuslib.o
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obj-$(CONFIG_FB_TCX) += tcx.o sbuslib.o
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obj-$(CONFIG_FB_LEO) += leo.o sbuslib.o
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obj-$(CONFIG_FB_SGIVW) += sgivwfb.o
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obj-$(CONFIG_FB_ACORN) += acornfb.o
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obj-$(CONFIG_FB_ATARI) += atafb.o
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obj-$(CONFIG_FB_MAC) += macfb.o
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obj-$(CONFIG_FB_HGA) += hgafb.o
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obj-$(CONFIG_FB_IGA) += igafb.o
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obj-$(CONFIG_FB_APOLLO) += dnfb.o
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obj-$(CONFIG_FB_Q40) += q40fb.o
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obj-$(CONFIG_FB_TGA) += tgafb.o
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obj-$(CONFIG_FB_HP300) += hpfb.o
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obj-$(CONFIG_FB_G364) += g364fb.o
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obj-$(CONFIG_FB_SA1100) += sa1100fb.o
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obj-$(CONFIG_FB_SUN3) += sun3fb.o
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obj-$(CONFIG_FB_HIT) += hitfb.o
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obj-$(CONFIG_FB_EPSON1355) += epson1355fb.o
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obj-$(CONFIG_FB_PVR2) += pvr2fb.o
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obj-$(CONFIG_FB_VOODOO1) += sstfb.o
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obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o
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obj-$(CONFIG_FB_68328) += 68328fb.o
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obj-$(CONFIG_FB_GBE) += gbefb.o
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obj-$(CONFIG_FB_CIRRUS) += cirrusfb.o
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obj-$(CONFIG_FB_ASILIANT) += asiliantfb.o
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obj-$(CONFIG_FB_PXA) += pxafb.o
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obj-$(CONFIG_FB_W100) += w100fb.o
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obj-$(CONFIG_FB_AU1100) += au1100fb.o fbgen.o
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obj-$(CONFIG_FB_PMAG_AA) += pmag-aa-fb.o
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obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o
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obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o
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obj-$(CONFIG_FB_MAXINE) += maxinefb.o
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obj-$(CONFIG_FB_TX3912) += tx3912fb.o
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obj-$(CONFIG_FB_S1D13XXX) += s1d13xxxfb.o
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obj-$(CONFIG_FB_IMX) += imxfb.o
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# Platform or fallback drivers go here
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obj-$(CONFIG_FB_VESA) += vesafb.o
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obj-$(CONFIG_FB_VGA16) += vga16fb.o vgastate.o
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obj-$(CONFIG_FB_OF) += offb.o
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# the test framebuffer is last
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obj-$(CONFIG_FB_VIRTUAL) += vfb.o
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