diff options
| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2009-09-22 16:47:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 07:39:53 -0700 |
| commit | 2d6e8851f608bd0c811f2df83eeff4ad8631e723 (patch) | |
| tree | 76aad6e6e48a294d742acc4a0751e5d8ab86bf50 /drivers/video/via/lcd.c | |
| parent | 5016af53ebbd1450c2656c94dfbd1dad15c19f60 (diff) | |
viafb: improve pitch handling
Split the pitch handling up and replaces the calculation from virtual xres
and bpp with fix.line_length which already contains the pitch and does not
add any constrains for the virtual resolution.
Also add a bit to the second pitch which the documentation mentions but
which was ignored by the driver.
Although it is a bit unclear what the right pitch for some LCD modes is
this patch should have no negative runtime impact.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Harald Welte <laforge@gnumonks.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/via/lcd.c')
| -rw-r--r-- | drivers/video/via/lcd.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c index 144d34bdf0ac..e3e597f937a5 100644 --- a/drivers/video/via/lcd.c +++ b/drivers/video/via/lcd.c @@ -952,13 +952,10 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, int video_index = plvds_setting_info->lcd_panel_size; int set_iga = plvds_setting_info->iga_path; int mode_bpp = plvds_setting_info->bpp; - int viafb_load_reg_num = 0; - int reg_value = 0; int set_hres, set_vres; int panel_hres, panel_vres; u32 pll_D_N; int offset; - struct io_register *reg = NULL; struct display_timing mode_crt_reg, panel_crt_reg; struct crt_mode_table *panel_crt_table = NULL; struct VideoModeTable *vmode_tbl = NULL; @@ -1038,16 +1035,11 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, } /* Offset for simultaneous */ - reg_value = offset; - viafb_load_reg_num = offset_reg.iga2_offset_reg.reg_num; - reg = offset_reg.iga2_offset_reg.reg; - viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + viafb_set_secondary_pitch(offset << 3); DEBUG_MSG(KERN_INFO "viafb_load_reg!!\n"); viafb_load_fetch_count_reg(set_hres, 4, IGA2); /* Fetch count for simultaneous */ } else { /* SAMM */ - /* Offset for IGA2 only */ - viafb_load_offset_reg(set_hres, mode_bpp / 8, set_iga); /* Fetch count for IGA2 only */ viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga); |