On Wed, May 22, 2013 at 04:48:15PM +0800, Xiong Zhang wrote:
> HDMI Compliance Testing fail on i915 driver, the error log show:
> M1-M0=0b00(NO Data) of AVI InfoFrame Packet should correspond to the
> aspect ratio of the viewed image.Skip because AVI R3-R0 is no 1000
> (Same as picture aspect ratio)
>
> the default value of active format aspect ratio is 0 which is invalid
> accroding to CEA-861-D spec in page 79, So change the default value to
> 0x08.
If you look at Annex H, 0000 should actually be allowed. But since it
should be interpreted the same as 1000, I guess we might as well make
this change.
Also, please change intel_sdvo.c too.
>
> Signed-off-by: Xiong Zhang <xiong.y.zhang at intel.com>
> ---
> drivers/gpu/drm/i915/intel_drv.h | 1 +
> drivers/gpu/drm/i915/intel_hdmi.c | 5 +++++
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 75a7f22..91b345e 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -370,6 +370,7 @@ struct cxsr_latency {
> #define DIP_TYPE_AVI 0x82
> #define DIP_VERSION_AVI 0x2
> #define DIP_LEN_AVI 13
> +#define DIP_AVI_FORMAT_ASPECT_RATIO_SAME 0x8
> #define DIP_AVI_PR_1 0
> #define DIP_AVI_PR_2 1
> #define DIP_AVI_RGB_QUANT_RANGE_DEFAULT (0 << 2)
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index 18f8ce0..599c013 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -340,6 +340,11 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
> .len = DIP_LEN_AVI,
> };
>
> + /*since the default picture aspect ratio is no data
> + *set the default active format aspect ratio is the
> + *same as picture aspect ratio*/
> + avi_if.body.avi.C_M_R = DIP_AVI_FORMAT_ASPECT_RATIO_SAME;
> +
> if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
> avi_if.body.avi.YQ_CN_PR |= DIP_AVI_PR_2;
>
> --
> 1.7.9.5
>
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--
Ville Syrj?l?
Intel OTC
