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yaml
---
r: 294280
b: refs/heads/master
c: 532f916
h: refs/heads/master
v: v3
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Florian Tobias Schandinat authored and Florian Tobias Schandinat committed Feb 10, 2012
1 parent a9d6c7a commit cbc36d6
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Showing 5 changed files with 31 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 561c9079ea1de24f8d49c73391811c547d1b2636
refs/heads/master: 532f9169db21fbffd07cc44075c7ea1859c07806
5 changes: 3 additions & 2 deletions trunk/drivers/video/via/dvi.c
Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,8 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len)
}

/* DVI Set Mode */
void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga)
void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,
u16 cxres, u16 cyres, int iga)
{
struct fb_var_screeninfo dvi_var = *var;
struct crt_mode_table *rb_mode;
Expand All @@ -185,7 +186,7 @@ void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga)
viafb_fill_var_timing_info(&dvi_var, rb_mode);
}

viafb_fill_crtc_timing(&dvi_var, iga);
viafb_fill_crtc_timing(&dvi_var, cxres, cyres, iga);
}

/* Sense DVI Connector */
Expand Down
3 changes: 2 additions & 1 deletion trunk/drivers/video/via/dvi.h
Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ void viafb_dvi_enable(void);
bool __devinit viafb_tmds_trasmitter_identify(void);
void __devinit viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
struct tmds_setting_information *tmds_setting);
void viafb_dvi_set_mode(const struct fb_var_screeninfo *var, int iga);
void viafb_dvi_set_mode(const struct fb_var_screeninfo *var,
u16 cxres, u16 cyres, int iga);

#endif /* __DVI_H__ */
41 changes: 23 additions & 18 deletions trunk/drivers/video/via/hw.c
Original file line number Diff line number Diff line change
Expand Up @@ -1467,28 +1467,31 @@ void viafb_set_vclock(u32 clk, int set_iga)
via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */
}

static struct display_timing var_to_timing(const struct fb_var_screeninfo *var)
static struct display_timing var_to_timing(const struct fb_var_screeninfo *var, u16 cxres, u16 cyres)
{
struct display_timing timing;
u16 dx = (var->xres - cxres) / 2, dy = (var->yres - cyres) / 2;

timing.hor_addr = var->xres;
timing.hor_sync_start = timing.hor_addr + var->right_margin;
timing.hor_addr = cxres;
timing.hor_sync_start = timing.hor_addr + var->right_margin + dx;
timing.hor_sync_end = timing.hor_sync_start + var->hsync_len;
timing.hor_total = timing.hor_sync_end + var->left_margin;
timing.hor_blank_start = timing.hor_addr;
timing.hor_blank_end = timing.hor_total;
timing.ver_addr = var->yres;
timing.ver_sync_start = timing.ver_addr + var->lower_margin;
timing.hor_total = timing.hor_sync_end + var->left_margin + dx;
timing.hor_blank_start = timing.hor_addr + dx;
timing.hor_blank_end = timing.hor_total - dy;
timing.ver_addr = cyres;
timing.ver_sync_start = timing.ver_addr + var->lower_margin + dy;
timing.ver_sync_end = timing.ver_sync_start + var->vsync_len;
timing.ver_total = timing.ver_sync_end + var->upper_margin;
timing.ver_blank_start = timing.ver_addr;
timing.ver_blank_end = timing.ver_total;
timing.ver_total = timing.ver_sync_end + var->upper_margin + dy;
timing.ver_blank_start = timing.ver_addr + dy;
timing.ver_blank_end = timing.ver_total - dy;
return timing;
}

void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga)
void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var,
u16 cxres, u16 cyres, int iga)
{
struct display_timing crt_reg = var_to_timing(var);
struct display_timing crt_reg = var_to_timing(var,
cxres ? cxres : var->xres, cyres ? cyres : var->yres);

if (iga == IGA1)
via_set_primary_timing(&crt_reg);
Expand Down Expand Up @@ -1842,7 +1845,7 @@ static void hw_init(void)

int viafb_setmode(int video_bpp, int video_bpp1)
{
int j;
int j, cxres = 0, cyres = 0;
int port;
u32 devices = viaparinfo->shared->iga1_devices
| viaparinfo->shared->iga2_devices;
Expand Down Expand Up @@ -1891,16 +1894,18 @@ int viafb_setmode(int video_bpp, int video_bpp1)
} else if (viafb_SAMM_ON) {
viafb_fill_var_timing_info(&var2, viafb_get_best_mode(
viafb_second_xres, viafb_second_yres, viafb_refresh1));
cxres = viafbinfo->var.xres;
cyres = viafbinfo->var.yres;
var2.bits_per_pixel = viafbinfo->var.bits_per_pixel;
}

/* CRT set mode */
if (viafb_CRT_ON) {
if (viaparinfo->shared->iga2_devices & VIA_CRT
&& viafb_SAMM_ON)
viafb_fill_crtc_timing(&var2, IGA2);
viafb_fill_crtc_timing(&var2, cxres, cyres, IGA2);
else
viafb_fill_crtc_timing(&viafbinfo->var,
viafb_fill_crtc_timing(&viafbinfo->var, 0, 0,
(viaparinfo->shared->iga1_devices & VIA_CRT)
? IGA1 : IGA2);

Expand All @@ -1918,9 +1923,9 @@ int viafb_setmode(int video_bpp, int video_bpp1)
if (viafb_DVI_ON) {
if (viaparinfo->shared->tmds_setting_info.iga_path == IGA2
&& viafb_SAMM_ON)
viafb_dvi_set_mode(&var2, IGA2);
viafb_dvi_set_mode(&var2, cxres, cyres, IGA2);
else
viafb_dvi_set_mode(&viafbinfo->var,
viafb_dvi_set_mode(&viafbinfo->var, 0, 0,
viaparinfo->tmds_setting_info->iga_path);
}

Expand Down
3 changes: 2 additions & 1 deletion trunk/drivers/video/via/hw.h
Original file line number Diff line number Diff line change
Expand Up @@ -637,7 +637,8 @@ extern int viafb_LCD_ON;
extern int viafb_DVI_ON;
extern int viafb_hotplug;

void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var, int iga);
void viafb_fill_crtc_timing(const struct fb_var_screeninfo *var,
u16 cxres, u16 cyres, int iga);
void viafb_set_vclock(u32 CLK, int set_iga);
void viafb_load_reg(int timing_value, int viafb_load_reg_num,
struct io_register *reg,
Expand Down

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