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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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71f23543d3
Currently the hikey dsi logic cannot generate accurate byte clocks values for all pixel clock values. Thus if a mode clock is selected that cannot match the calculated byte clock, the device will boot with a blank screen. This patch uses the new mode_valid callback (many thanks to Jose Abreu for upstreaming it!) to ensure we don't select modes we cannot generate. Also, since the ade crtc code will adjust the mode in mode_set, this patch also adds a mode_fixup callback which we use to make sure we are validating the mode clock that will eventually be used. Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: David Airlie <airlied@linux.ie> Cc: Rob Clark <robdclark@gmail.com> Cc: Xinliang Liu <xinliang.liu@linaro.org> Cc: Xinliang Liu <z.liuxinliang@hisilicon.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com> Cc: Chen Feng <puck.chen@hisilicon.com> Cc: Jose Abreu <Jose.Abreu@synopsys.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: dri-devel@lists.freedesktop.org Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: John Stultz <john.stultz@linaro.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Signed-off-by: Dave Airlie <airlied@redhat.com> |
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