From e83c18cffaedb1cd5da935b06d49308f92ea50cb Mon Sep 17 00:00:00 2001 From: Uma Shankar Date: Tue, 7 Dec 2021 12:41:33 +0530 Subject: [PATCH] drm/i915/xelpd: Enable Pipe color support for D13 platform MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Enable pipe color support for Display 13 platforms. Currently limit to just 10bit gamma and later extend it for logarithmic gamma, once the new UAPI is agreed by community and implemented by a userspace consumer. v2: Updated dev_priv to i915 (Ville) Signed-off-by: Uma Shankar Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20211207071135.3660332-2-uma.shankar@intel.com --- drivers/gpu/drm/i915/display/intel_color.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 840f13b754929..42fe549ef6fe9 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -1574,6 +1574,8 @@ static int glk_color_check(struct intel_crtc_state *crtc_state) static u32 icl_gamma_mode(const struct intel_crtc_state *crtc_state) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); u32 gamma_mode = 0; if (crtc_state->hw.degamma_lut) @@ -1586,6 +1588,13 @@ static u32 icl_gamma_mode(const struct intel_crtc_state *crtc_state) if (!crtc_state->hw.gamma_lut || crtc_state_is_legacy_gamma(crtc_state)) gamma_mode |= GAMMA_MODE_MODE_8BIT; + /* + * Enable 10bit gamma for D13 + * ToDo: Extend to Logarithmic Gamma once the new UAPI + * is acccepted and implemented by a userspace consumer + */ + else if (DISPLAY_VER(i915) >= 13) + gamma_mode |= GAMMA_MODE_MODE_10BIT; else gamma_mode |= GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED; -- 2.30.2