diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/video/riva/rivafb-i2c.c | 44 |
2 files changed, 3 insertions, 42 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 756ea81e475c..6bf3e4169c1e 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -740,6 +740,7 @@ config FB_RIVA depends on FB && PCI select I2C_ALGOBIT if FB_RIVA_I2C select I2C if FB_RIVA_I2C + select FB_DDC if FB_RIVA_I2C select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c index 9751c37c0bfd..c15b259af644 100644 --- a/drivers/video/riva/rivafb-i2c.c +++ b/drivers/video/riva/rivafb-i2c.c @@ -25,8 +25,6 @@ #include "rivafb.h" #include "../edid.h" -#define RIVA_DDC 0x50 - static void riva_gpio_setscl(void* data, int state) { struct riva_i2c_chan *chan = data; @@ -158,50 +156,12 @@ void riva_delete_i2c_busses(struct riva_par *par) par->chan[2].par = NULL; } -static u8 *riva_do_probe_i2c_edid(struct riva_i2c_chan *chan) -{ - u8 start = 0x0; - struct i2c_msg msgs[] = { - { - .addr = RIVA_DDC, - .len = 1, - .buf = &start, - }, { - .addr = RIVA_DDC, - .flags = I2C_M_RD, - .len = EDID_LENGTH, - }, - }; - u8 *buf; - - if (!chan->par) - return NULL; - - buf = kmalloc(EDID_LENGTH, GFP_KERNEL); - if (!buf) { - dev_warn(&chan->par->pdev->dev, "Out of memory!\n"); - return NULL; - } - msgs[1].buf = buf; - - if (i2c_transfer(&chan->adapter, msgs, 2) == 2) - return buf; - dev_dbg(&chan->par->pdev->dev, "Unable to read EDID block.\n"); - kfree(buf); - return NULL; -} - int riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid) { u8 *edid = NULL; - int i; - for (i = 0; i < 3; i++) { - /* Do the real work */ - edid = riva_do_probe_i2c_edid(&par->chan[conn-1]); - if (edid) - break; - } + edid = fb_ddc_read(&par->chan[conn-1].adapter); + if (out_edid) *out_edid = edid; if (!edid) |