[Intel-gfx] [RFC v2 07/22] drm/i915/xelpd: Enable plane color features

Uma Shankar
2021-09-06T21:01:45Z

Enable and initialize plane color features.
Also initialize the color features of HDR planes.

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
---
drivers/gpu/drm/i915/display/intel_color.c | 22 +++++++++++++++++++++-
drivers/gpu/drm/i915/display/intel_color.h | 2 ++
drivers/gpu/drm/i915/i915_drv.h | 3 +++
3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 6403bd74324b..2307a2e4d73d 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -25,6 +25,7 @@
#include "intel_color.h"
#include "intel_de.h"
#include "intel_display_types.h"
+#include <drm/drm_plane.h>

#define CTM_COEFF_SIGN (1ULL << 63)

@@ -2093,7 +2094,6 @@ static void icl_read_luts(struct intel_crtc_state *crtc_state)
}

/* FIXME input bpc? */
-__maybe_unused
static const struct drm_color_lut_range d13_degamma_hdr[] = {
/* segment 1 */
{
@@ -2144,6 +2144,26 @@ static const struct drm_color_lut_range d13_degamma_hdr[] = {
},
};

+int intel_plane_color_init(struct drm_plane *plane)
+{
+ struct drm_i915_private *dev_priv = to_i915(plane->dev);
+ int ret = 0;
+
+ if (DISPLAY_VER(dev_priv) >= 13) {
+ drm_plane_create_color_mgmt_properties(plane->dev, plane, 2);
+ ret = drm_plane_color_add_gamma_degamma_mode_range(plane, "no degamma",
+ NULL, 0,
+ LUT_TYPE_DEGAMMA);
+ ret = drm_plane_color_add_gamma_degamma_mode_range(plane, "plane degamma",
+ d13_degamma_hdr,
+ sizeof(d13_degamma_hdr),
+ LUT_TYPE_DEGAMMA);
+ drm_plane_attach_degamma_properties(plane);
+ }
+
+ return ret;
+}
+
void intel_color_init(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
diff --git a/drivers/gpu/drm/i915/display/intel_color.h b/drivers/gpu/drm/i915/display/intel_color.h
index 173727aaa24d..b8850bb1b0c9 100644
--- a/drivers/gpu/drm/i915/display/intel_color.h
+++ b/drivers/gpu/drm/i915/display/intel_color.h
@@ -10,6 +10,7 @@

struct intel_crtc_state;
struct intel_crtc;
+struct drm_plane;
struct drm_property_blob;

void intel_color_init(struct intel_crtc *crtc);
@@ -21,5 +22,6 @@ int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_stat
bool intel_color_lut_equal(struct drm_property_blob *blob1,
struct drm_property_blob *blob2,
u32 gamma_mode, u32 bit_precision);
+int intel_plane_color_init(struct drm_plane *plane);

#endif /* __INTEL_COLOR_H__ */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index be2392bbcecc..a937a20e4c49 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -391,6 +391,9 @@ struct drm_i915_display_funcs {
*/
void (*load_luts)(const struct intel_crtc_state *crtc_state);
void (*read_luts)(struct intel_crtc_state *crtc_state);
+ /* Add Plane Color callbacks */
+ void (*load_plane_csc_matrix)(const struct drm_plane_state *plane_state);
+ void (*load_plane_luts)(const struct drm_plane_state *plane_state);
};

--
2.26.2