Commit b0a7c754 authored by Swati Sharma's avatar Swati Sharma Committed by Jani Nikula
Browse files

drm/i915/display: Add gamma precision function for CHV 



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: default avatarSwati Sharma <swati2.sharma@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1568030503-26747-2-git-send-email-swati2.sharma@intel.com
parent fa9a09f1

drivers/gpu/drm/i915/display/intel_color.c

+19 −6
Original line number Diff line number Diff line
@@ -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))

	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))

	} 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;

}

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