[PATCH v5 14/24] drm/msm/dsi/phy: Toggle back buffer resync after preparing PLL
Dmitry Baryshkov
dmitry.baryshkov at oss.qualcomm.com
Fri May 2 22:43:27 UTC 2025
On Wed, Apr 30, 2025 at 03:00:44PM +0200, Krzysztof Kozlowski wrote:
> According to Hardware Programming Guide for DSI PHY, the retime buffer
> resync should be done after PLL clock users (byte_clk and intf_byte_clk)
> are enabled. Downstream also does it as part of configuring the PLL.
>
> Driver was only turning of the resync FIFO buffer, but never bringing it
> on again.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
>
> ---
>
> Changes in v5:
> 1. New patch
> ---
> drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
--
With best wishes
Dmitry
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