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drm/sun4i: hdmi: Fix usage of TMDS clock
Although TMDS clock is required for HDMI to properly function, nobody called clk_prepare_enable(). This fixes reference counting issues and makes sure clock is running when it needs to be running. Due to TDMS clock being parent clock for DDC clock, TDMS clock was turned on/off for each EDID probe, causing spurious failures for certain HDMI/DVI screens. Fixes: 9c56810 ("drm/sun4i: Add HDMI support") Signed-off-by: Priit Laes <[email protected]> [Maxime: Moved the TMDS clock enable earlier] Signed-off-by: Maxime Ripard <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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