This allows us to use strongly typed arguments.

v2:
 - Bring NO_DATA back
 - Provide explicit enum values

v4: Drop unnecessary '&' from kerneldoc (emersion)

Signed-off-by: Harry Wentland <harry.wentl...@amd.com>
Reviewed-by: Simon Ser <cont...@emersion.fr>

Cc: Pekka Paalanen <ppaala...@gmail.com>
Cc: Sebastian Wick <sebastian.w...@redhat.com>
Cc: vitaly.pros...@amd.com
Cc: Uma Shankar <uma.shan...@intel.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Joshua Ashton <jos...@froggi.es>
Cc: dri-de...@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
---
 include/drm/display/drm_dp.h |  2 +-
 include/drm/drm_connector.h  | 49 ++++++++++++++++++------------------
 2 files changed, 26 insertions(+), 25 deletions(-)

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index ed10e6b6f99d..dae5e9c201e4 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1623,7 +1623,7 @@ enum dp_pixelformat {
  *
  * This enum is used to indicate DP VSC SDP Colorimetry formats.
  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
- * DB18] and a name of enum member follows DRM_MODE_COLORIMETRY definition.
+ * DB18] and a name of enum member follows enum drm_colorimetry definition.
  *
  * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
  *                          ITU-R BT.601 colorimetry format
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 4d830fc55a3d..6d6a53a6b010 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -371,29 +371,30 @@ enum drm_privacy_screen_status {
  * a colorspace property which will be created and exposed to
  * userspace.
  */
-
-/* For Default case, driver will set the colorspace */
-#define DRM_MODE_COLORIMETRY_DEFAULT                   0
-/* CEA 861 Normal Colorimetry options */
-#define DRM_MODE_COLORIMETRY_NO_DATA                   0
-#define DRM_MODE_COLORIMETRY_SMPTE_170M_YCC            1
-#define DRM_MODE_COLORIMETRY_BT709_YCC                 2
-/* CEA 861 Extended Colorimetry Options */
-#define DRM_MODE_COLORIMETRY_XVYCC_601                 3
-#define DRM_MODE_COLORIMETRY_XVYCC_709                 4
-#define DRM_MODE_COLORIMETRY_SYCC_601                  5
-#define DRM_MODE_COLORIMETRY_OPYCC_601                 6
-#define DRM_MODE_COLORIMETRY_OPRGB                     7
-#define DRM_MODE_COLORIMETRY_BT2020_CYCC               8
-#define DRM_MODE_COLORIMETRY_BT2020_RGB                        9
-#define DRM_MODE_COLORIMETRY_BT2020_YCC                        10
-/* Additional Colorimetry extension added as part of CTA 861.G */
-#define DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65            11
-#define DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER                12
-/* Additional Colorimetry Options added for DP 1.4a VSC Colorimetry Format */
-#define DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED            13
-#define DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT            14
-#define DRM_MODE_COLORIMETRY_BT601_YCC                 15
+enum drm_colorspace {
+       /* For Default case, driver will set the colorspace */
+       DRM_MODE_COLORIMETRY_DEFAULT            = 0,
+       DRM_MODE_COLORIMETRY_NO_DATA            = 0,
+       /* CEA 861 Normal Colorimetry options */
+       DRM_MODE_COLORIMETRY_SMPTE_170M_YCC     = 1,
+       DRM_MODE_COLORIMETRY_BT709_YCC          = 2,
+       /* CEA 861 Extended Colorimetry Options */
+       DRM_MODE_COLORIMETRY_XVYCC_601          = 3,
+       DRM_MODE_COLORIMETRY_XVYCC_709          = 4,
+       DRM_MODE_COLORIMETRY_SYCC_601           = 5,
+       DRM_MODE_COLORIMETRY_OPYCC_601          = 6,
+       DRM_MODE_COLORIMETRY_OPRGB              = 7,
+       DRM_MODE_COLORIMETRY_BT2020_CYCC        = 8,
+       DRM_MODE_COLORIMETRY_BT2020_RGB         = 9,
+       DRM_MODE_COLORIMETRY_BT2020_YCC         = 10,
+       /* Additional Colorimetry extension added as part of CTA 861.G */
+       DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65     = 11,
+       DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER = 12,
+       /* Additional Colorimetry Options added for DP 1.4a VSC Colorimetry 
Format */
+       DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED     = 13,
+       DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT     = 14,
+       DRM_MODE_COLORIMETRY_BT601_YCC          = 15,
+};
 
 /**
  * enum drm_bus_flags - bus_flags info for &drm_display_info
@@ -826,7 +827,7 @@ struct drm_connector_state {
         * colorspace change on Sink. This is most commonly used to switch
         * to wider color gamuts like BT2020.
         */
-       u32 colorspace;
+       enum drm_colorspace colorspace;
 
        /**
         * @writeback_job: Writeback job for writeback connectors
-- 
2.39.2

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