On Fri, 06 Sep 2019, Swati Sharma <swati2.sharma@xxxxxxxxx> wrote:
> intel_color_get_gamma_bit_precision() is extended for
> cherryview by adding chv_gamma_precision(), i965 will use existing
> i9xx_gamma_precision() func only.
>
> Signed-off-by: Swati Sharma <swati2.sharma@xxxxxxxxx>
Could be part of patch 3/3, but no big deal,
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_color.c | 25 +++++++++++++++++++------
> 1 file changed, 19 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
> index 6d641e1..4d9a568 100644
> --- a/drivers/gpu/drm/i915/display/intel_color.c
> +++ b/drivers/gpu/drm/i915/display/intel_color.c
> @@ -1400,6 +1400,14 @@ static int ilk_gamma_precision(const struct intel_crtc_state *crtc_state)
> }
> }
>
> +static int chv_gamma_precision(const struct intel_crtc_state *crtc_state)
> +{
> + if (crtc_state->cgm_mode & CGM_PIPE_MODE_GAMMA)
> + return 10;
> + else
> + return i9xx_gamma_precision(crtc_state);
> +}
> +
> static int glk_gamma_precision(const struct intel_crtc_state *crtc_state)
> {
> switch (crtc_state->gamma_mode) {
> @@ -1421,12 +1429,17 @@ int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_stat
> if (!crtc_state->gamma_enable)
> return 0;
>
> - if (HAS_GMCH(dev_priv) && !IS_CHERRYVIEW(dev_priv))
> - return i9xx_gamma_precision(crtc_state);
> - else if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
> - return glk_gamma_precision(crtc_state);
> - else if (IS_IRONLAKE(dev_priv))
> - return ilk_gamma_precision(crtc_state);
> + if (HAS_GMCH(dev_priv)) {
> + if (IS_CHERRYVIEW(dev_priv))
> + return chv_gamma_precision(crtc_state);
> + else
> + return i9xx_gamma_precision(crtc_state);
> + } else {
> + if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
> + return glk_gamma_precision(crtc_state);
> + else if (IS_IRONLAKE(dev_priv))
> + return ilk_gamma_precision(crtc_state);
> + }
>
> return 0;
> }
--
Jani Nikula, Intel Open Source Graphics Center
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