[v3 5/7] drm/i915: Attach gamma mode property

Uma Shankar
2019-04-12T10:21:01Z

Attach the gamma mode property to allow userspace
set the gamma mode and provide the luts for the
same.

v2: Enabled just 1 property interface for gamma_mode,
as suggested by Ville.

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
drivers/gpu/drm/i915/intel_color.c | 3 +++
drivers/gpu/drm/i915/intel_display.c | 3 +++
2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index d4ce1ed..edf5ff8 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -1884,6 +1884,9 @@ void intel_color_init(struct intel_crtc *crtc)
} else {
if (INTEL_GEN(dev_priv) >= 11) {
dev_priv->display.color_check = icl_color_check;
+
+ drm_crtc_attach_gamma_mode_property(&crtc->base);
+
/* don't advertize the >= 1.0 entries */
degamma_lut_size = 0;
gamma_lut_size = ILK_LUT_SIZE_10BIT;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f29a348..3e47935 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15680,6 +15680,9 @@ int intel_modeset_init(struct drm_device *dev)
INTEL_INFO(dev_priv)->num_pipes,
INTEL_INFO(dev_priv)->num_pipes > 1 ? "s" : "");

+ if (INTEL_GEN(dev_priv) >= 11)
+ drm_color_create_gamma_mode_property(&dev_priv->drm, 4);
+
for_each_pipe(dev_priv, pipe) {
ret = intel_crtc_init(dev_priv, pipe);
if (ret) {
--
1.9.1