Re: [PATCH v3 07/10] drm/msm/dsi: Disallow 8 BPC DSC configuration for alternative BPC values

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On 09/10/2022 21:51, Marijn Suijten wrote:
According to the `/* bpc 8 */` comment below only values for a
bits_per_component of 8 are currently hardcoded in place.  This is
further confirmed by downstream sources [1] containing different
constants for other BPC values (and different initial_offset too,
with an extra dependency on bits_per_pixel).  Prevent future mishaps by
explicitly disallowing any other bits_per_component value until the
right parameters are put in place and tested.

[1]: https://git.codelinaro.org/clo/la/platform/vendor/opensource/display-drivers/-/blob/DISPLAY.LA.2.0.r1-08000-WAIPIO.0/msm/sde_dsc_helper.c#L110-139

Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry




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