Add the Color capabilities of SDR planes.

Signed-off-by: Uma Shankar <uma.shan...@intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.mo...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_color.c | 67 ++++++++++++++++++++--
 1 file changed, 63 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c 
b/drivers/gpu/drm/i915/display/intel_color.c
index 2307a2e4d73d..fd0bfdf85703 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 "intel_sprite.h"
 #include <drm/drm_plane.h>
 
 #define CTM_COEFF_SIGN (1ULL << 63)
@@ -2144,6 +2145,57 @@ static const struct drm_color_lut_range 
d13_degamma_hdr[] = {
        },
 };
 
+ /* FIXME input bpc? */
+static const struct drm_color_lut_range d13_degamma_sdr[] = {
+       /* segment 1 */
+       {
+               .flags = (DRM_MODE_LUT_GAMMA |
+                         DRM_MODE_LUT_REFLECT_NEGATIVE |
+                         DRM_MODE_LUT_INTERPOLATE |
+                         DRM_MODE_LUT_NON_DECREASING),
+               .count = 32,
+               .input_bpc = 16, .output_bpc = 16,
+               .start = 0, .end = (1 << 16) - (1 << 16) / 33,
+               .min = 0, .max = (1 << 16) - 1,
+       },
+       /* segment 2 */
+       {
+               .flags = (DRM_MODE_LUT_GAMMA |
+                         DRM_MODE_LUT_REFLECT_NEGATIVE |
+                         DRM_MODE_LUT_INTERPOLATE |
+                         DRM_MODE_LUT_REUSE_LAST |
+                         DRM_MODE_LUT_NON_DECREASING),
+               .count = 1,
+               .input_bpc = 16, .output_bpc = 16,
+               .start = (1 << 16) - (1 << 16) / 33, .end = 1 << 16,
+               .min = 0, .max = 1 << 16,
+       },
+       /* Segment 3 */
+       {
+               .flags = (DRM_MODE_LUT_GAMMA |
+                         DRM_MODE_LUT_REFLECT_NEGATIVE |
+                         DRM_MODE_LUT_INTERPOLATE |
+                         DRM_MODE_LUT_REUSE_LAST |
+                         DRM_MODE_LUT_NON_DECREASING),
+               .count = 1,
+               .input_bpc = 16, .output_bpc = 16,
+               .start = 1 << 16, .end = 3 << 16,
+               .min = 0, .max = (8 << 16) - 1,
+       },
+       /* Segment 4 */
+       {
+               .flags = (DRM_MODE_LUT_GAMMA |
+                         DRM_MODE_LUT_REFLECT_NEGATIVE |
+                         DRM_MODE_LUT_INTERPOLATE |
+                         DRM_MODE_LUT_REUSE_LAST |
+                         DRM_MODE_LUT_NON_DECREASING),
+               .count = 1,
+               .input_bpc = 16, .output_bpc = 16,
+               .start = 3 << 16, .end = 7 << 16,
+               .min = 0, .max = (8 << 16) - 1,
+       },
+};
+
 int intel_plane_color_init(struct drm_plane *plane)
 {
        struct drm_i915_private *dev_priv = to_i915(plane->dev);
@@ -2154,10 +2206,17 @@ int intel_plane_color_init(struct drm_plane *plane)
                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);
+               if (icl_is_hdr_plane(dev_priv, to_intel_plane(plane)->id))
+                       ret = 
drm_plane_color_add_gamma_degamma_mode_range(plane, "plane degamma",
+                                                                          
d13_degamma_hdr,
+                                                                          
sizeof(d13_degamma_hdr),
+                                                                          
LUT_TYPE_DEGAMMA);
+               else
+                       ret = 
drm_plane_color_add_gamma_degamma_mode_range(plane,
+                                                                          
"plane degamma",
+                                                                          
d13_degamma_sdr,
+                                                                          
sizeof(d13_degamma_sdr),
+                                                                          
LUT_TYPE_DEGAMMA);
                drm_plane_attach_degamma_properties(plane);
        }
 
-- 
2.26.2

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