aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/vfb.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-05-11 08:44:27 -0400
committerIngo Molnar <mingo@elte.hu>2009-05-11 08:44:31 -0400
commit41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch)
tree51c50bcb67a5039448ddfa1869d7948cab1217e9 /drivers/video/vfb.c
parent19c1a6f5764d787113fa323ffb18be7991208f82 (diff)
parent091bf7624d1c90cec9e578a18529f615213ff847 (diff)
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base, update it to .30-rc5 to refresh. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/video/vfb.c')
-rw-r--r--drivers/video/vfb.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index cc919ae46571..050d432c7d95 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -318,13 +318,16 @@ static int vfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
318 * {hardwarespecific} contains width of RAMDAC 318 * {hardwarespecific} contains width of RAMDAC
319 * cmap[X] is programmed to (X << red.offset) | (X << green.offset) | (X << blue.offset) 319 * cmap[X] is programmed to (X << red.offset) | (X << green.offset) | (X << blue.offset)
320 * RAMDAC[X] is programmed to (red, green, blue) 320 * RAMDAC[X] is programmed to (red, green, blue)
321 * 321 *
322 * Pseudocolor: 322 * Pseudocolor:
323 * uses offset = 0 && length = RAMDAC register width. 323 * var->{color}.offset is 0 unless the palette index takes less than
324 * var->{color}.offset is 0 324 * bits_per_pixel bits and is stored in the upper
325 * var->{color}.length contains widht of DAC 325 * bits of the pixel value
326 * var->{color}.length is set so that 1 << length is the number of available
327 * palette entries
326 * cmap is not used 328 * cmap is not used
327 * RAMDAC[X] is programmed to (red, green, blue) 329 * RAMDAC[X] is programmed to (red, green, blue)
330 *
328 * Truecolor: 331 * Truecolor:
329 * does not use DAC. Usually 3 are present. 332 * does not use DAC. Usually 3 are present.
330 * var->{color}.offset contains start of bitfield 333 * var->{color}.offset contains start of bitfield