From: Ville Syrjala <ville.syrjala@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Subject: [PATCH 1/6] drm/uapi: Document CTM matrix better
Date: Wed, 12 Apr 2023 01:29:26 +0300 [thread overview]
Message-ID: <20230411222931.15127-2-ville.syrjala@linux.intel.com> (raw)
In-Reply-To: <20230411222931.15127-1-ville.syrjala@linux.intel.com>
From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Document in which order the CTM matrix elements are stored.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
include/uapi/drm/drm_mode.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 46becedf5b2f..43691058d28f 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -834,6 +834,11 @@ struct drm_color_ctm {
/*
* Conversion matrix in S31.32 sign-magnitude
* (not two's complement!) format.
+ *
+ * out matrix in
+ * |R| |0 1 2| |R|
+ * |G| = |3 4 5| x |G|
+ * |B| |6 7 8| |B|
*/
__u64 matrix[9];
};
--
2.39.2
next prev parent reply other threads:[~2023-04-11 22:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 22:29 [PATCH 0/6] drm/i915: CTM stuff mostly Ville Syrjala
2023-04-11 22:29 ` Ville Syrjala [this message]
2023-04-11 22:29 ` [PATCH 2/6] drm/i915: Expose crtc CTM property on ilk/snb Ville Syrjala
2023-04-11 22:29 ` [PATCH 3/6] drm/i915: Fix CHV CGM CSC coefficient sign handling Ville Syrjala
2023-04-11 22:29 ` [PATCH 4/6] drm/i915: Implement CTM property support for VLV Ville Syrjala
2023-04-11 22:29 ` [PATCH 5/6] drm/i915: No 10bit gamma on desktop gen3 parts Ville Syrjala
2023-04-11 22:29 ` [PATCH 6/6] drm/i915: Do state check for color management changes Ville Syrjala
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