Re: [PATCH v7 05/17] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range

From: Krzysztof Kozlowski
Date: Mon Oct 12 2015 - 02:54:27 EST


On 12.10.2015 13:29, Yakir Yang wrote:
> Both hsync/vsync polarity and interlace mode can be parsed from
> drm display mode, and dynamic_range and ycbcr_coeff can be judge
> by the video code.
>
> But presumably Exynos still relies on the DT properties, so take
> good use of mode_fixup() in to achieve the compatibility hacks.
>
> Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
> ---
> *just add a note that this is v7 of only fifth patch.*
>
> Changes in v7:
> - Back to use the of_property_read_bool() interfacs to provoid backward
> compatibility of "hsync-active-high" "vsync-active-high" "interlaced"
> to avoid -EOVERFLOW error (Krzysztof)
>
> Changes in v6: None
> Changes in v5:
> - Switch video timing type to "u32", so driver could use "of_property_read_u32"
> to get the backword timing values. Krzysztof suggest me that driver could use
> the "of_property_read_bool" to get backword timing values, but that interfacs
> would modify the original drm_display_mode timing directly (whether those
> properties exists or not).
>
> Changes in v4:
> - Provide backword compatibility with samsung. (Krzysztof)
>
> Changes in v3:
> - Dynamic parse video timing info from struct drm_display_mode and
> struct drm_display_info. (Thierry)
>
> Changes in v2: None
>
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 148 +++++++++++++--------
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 2 +-
> drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 14 +-
> 3 files changed, 103 insertions(+), 61 deletions(-)
>

Looks good and backward compatible to me:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

Best regards,
Krzysztof

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