Re: [PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-23 Thread Doug Anderson
Hi, On Tue, Feb 21, 2017 at 11:45 PM, Nickey Yang wrote: > "I2C Master Interface Extended Read Mode" implements a segment > pointer-based read operation using the Special Register configuration. > > This patch fix https://patchwork.kernel.org/patch/7098101/ mentioned > "The current implementation

Re: [PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-23 Thread Jose Abreu
Hi Nickey, On 22-02-2017 11:11, Nickey.Yang wrote: > Read EDID func is drm_do_probe_ddc_edid(in > drivers/gpu/drm/drm_edid.c Line:1215) > when block = 3 means &msgs[3].addr = DDC_SEGMENT_ADDR(0x30) > ,but in dw_hdmi_i2c_xfer > line 299 msgs[i].addr != addr (0x50), it will printk > "uns

Re: [PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-23 Thread Nickey.Yang
在 2017年02月23日 19:40, Nickey.Yang 写道: Hi Jose, 在 2017年02月23日 18:17, Jose Abreu 写道: Hi Nickey, On 22-02-2017 11:11, Nickey.Yang wrote: Read EDID func is drm_do_probe_ddc_edid(in drivers/gpu/drm/drm_edid.c Line:1215) when block = 3 means &msgs[3].addr = DDC_SEGMENT_ADDR(0x30) ,but

Re: [PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-23 Thread Nickey.Yang
Hi Jose, 在 2017年02月23日 18:17, Jose Abreu 写道: Hi Nickey, On 22-02-2017 11:11, Nickey.Yang wrote: Read EDID func is drm_do_probe_ddc_edid(in drivers/gpu/drm/drm_edid.c Line:1215) when block = 3 means &msgs[3].addr = DDC_SEGMENT_ADDR(0x30) ,but in dw_hdmi_i2c_xfer line 299 msgs[i].add

Re: [PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-22 Thread Nickey.Yang
Hi Jose, 在 2017年02月22日 17:51, Jose Abreu 写道: Hi Nickey, On 22-02-2017 07:45, Nickey Yang wrote: "I2C Master Interface Extended Read Mode" implements a segment pointer-based read operation using the Special Register configuration. This patch fix https://urldefense.proofpoint.com/v2/url?u=ht

[PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-22 Thread Nickey Yang
"I2C Master Interface Extended Read Mode" implements a segment pointer-based read operation using the Special Register configuration. This patch fix https://patchwork.kernel.org/patch/7098101/ mentioned "The current implementation does not support "I2C Master Interface Extended Read Mode" to read

Re: [PATCH] drm: bridge: dw-hdmi: support i2c extended read mode

2017-02-22 Thread Jose Abreu
Hi Nickey, On 22-02-2017 07:45, Nickey Yang wrote: > "I2C Master Interface Extended Read Mode" implements a segment > pointer-based read operation using the Special Register configuration. > > This patch fix > https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.kernel.org_patch_709810