From mboxrd@z Thu Jan 1 00:00:00 1970 From: k.kozlowski@samsung.com (Krzysztof Kozlowski) Date: Mon, 12 Oct 2015 15:54:03 +0900 Subject: [PATCH v7 05/17] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range In-Reply-To: <1444624149-16180-1-git-send-email-ykk@rock-chips.com> References: <1444491357-26095-1-git-send-email-ykk@rock-chips.com> <1444624149-16180-1-git-send-email-ykk@rock-chips.com> Message-ID: <561B590B.6090806@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > *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 Best regards, Krzysztof