Thread (5 messages) 5 messages, 2 authors, 2006-05-01

Re: [PATCH 2.6.16] Add 1366x768 (WXGA) mode to modedb

From: Dennis Munsie <hidden>
Date: 2006-05-01 20:11:06

Just checked on the actual machine.  1366x768M-32@60 did not work at  
all -- the display is completely jumbled.  1366x768MR-32@60 seems to  
work, but I'm not entirely convinced.  The display looks a bit scaled  
at points, but fbset -i reports that it is indeed running at  
1366x768.  But, the other issue is that it's still reporting 59Hz  
instead of 60Hz.

Since it seems sketchy that the 1366x768 would continue to work since  
CVT specifies rounding off the pixels to multiples of 8, I think the  
best solution would be to put the modeline in the table.

dennis

On Apr 28, 2006, at 10:41 PM, Antonino A. Daplas wrote:
Dennis Munsie wrote:
quoted
I'm away from the actual machine, but I did just try it blindly and
checked out the output from the driver with dmesg:

fbcvt: Aspect ratio not CVT standard
fbcvt: 1360x768@60: CVT Name - Not a CVT standard - 1.044 Mega  
Pixel Image

intelfb: intelfb_check_var: accel_flags is 0
intelfb: intelfb_var_to_depth: bpp: 32, green.length is 0
intelfb: Initial video mode is 1366x768-32@59.

It looks as if something valid is coming back and the driver is  
setting
up the mode, but at this point I don't know if there is really  
something
on the display or not.  One thing that is disconcerting is that I  
asked
for 60Hz and it returned back 59Hz.  Another thing, which may be
nothing, is that second line where it says the mode is 1360x768.   
I am
specifically requesting 1366x768M-32@60 in for my modeline.
Ah, okay.  The CVT standard will always round off the horizontal  
resolution
to 8 pixels so 1360 from 1366.
quoted
I will be able to test it more thoroughly on Monday when I am back in
the office.
Let me know if it works, but I'll still send your patch to mainline.

Tony

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