From: Uma Shankar <uma.shankar@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: Uma Shankar <uma.shankar@intel.com>, bhanuprakash.modem@intel.com
Subject: [PATCH 12/21] drm: Add Plane CTM property
Date: Tue, 1 Jun 2021 16:22:09 +0530 [thread overview]
Message-ID: <20210601105218.29185-13-uma.shankar@intel.com> (raw)
In-Reply-To: <20210601105218.29185-1-uma.shankar@intel.com>
Add a blob property for plane CSC usage.
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
drivers/gpu/drm/drm_atomic_state_helper.c | 3 +++
drivers/gpu/drm/drm_atomic_uapi.c | 10 ++++++++++
drivers/gpu/drm/drm_color_mgmt.c | 11 +++++++++++
include/drm/drm_plane.h | 15 +++++++++++++++
4 files changed, 39 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
index 6e358067cb7a..fafb8af1c9cb 100644
--- a/drivers/gpu/drm/drm_atomic_state_helper.c
+++ b/drivers/gpu/drm/drm_atomic_state_helper.c
@@ -314,6 +314,8 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
if (state->degamma_lut)
drm_property_blob_get(state->degamma_lut);
+ if (state->ctm)
+ drm_property_blob_get(state->ctm);
state->color_mgmt_changed = false;
}
@@ -363,6 +365,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state)
drm_property_blob_put(state->fb_damage_clips);
drm_property_blob_put(state->degamma_lut);
+ drm_property_blob_put(state->ctm);
}
EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state);
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index ce3cb65d415e..6af2afe362ff 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -604,6 +604,14 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
&replaced);
state->color_mgmt_changed |= replaced;
return ret;
+ } else if (property == plane->ctm_property) {
+ ret = drm_atomic_replace_property_blob_from_id(dev,
+ &state->ctm,
+ val,
+ sizeof(struct drm_color_ctm), -1,
+ &replaced);
+ state->color_mgmt_changed |= replaced;
+ return ret;
} else if (property == config->prop_fb_damage_clips) {
ret = drm_atomic_replace_property_blob_from_id(dev,
&state->fb_damage_clips,
@@ -675,6 +683,8 @@ drm_atomic_plane_get_property(struct drm_plane *plane,
} else if (property == plane->degamma_lut_property) {
*val = (state->degamma_lut) ?
state->degamma_lut->base.id : 0;
+ } else if (property == plane->ctm_property) {
+ *val = (state->ctm) ? state->ctm->base.id : 0;
} else if (property == config->prop_fb_damage_clips) {
*val = (state->fb_damage_clips) ?
state->fb_damage_clips->base.id : 0;
diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index 29d0fc1e52b5..83832adf3adf 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -602,6 +602,10 @@ EXPORT_SYMBOL(drm_plane_create_color_properties);
* engine, thereby making the content as linear for further color
* processing.
*
+ * ctm_property:
+ * Blob property which allows a userspace to provide CTM coefficients
+ * to do color space conversion or any other enhancement by doing a
+ * matrix multiplication using the h/w CTM processing engine
*/
int drm_plane_create_color_mgmt_properties(struct drm_device *dev,
struct drm_plane *plane,
@@ -623,6 +627,13 @@ int drm_plane_create_color_mgmt_properties(struct drm_device *dev,
plane->degamma_lut_property = prop;
+ prop = drm_property_create(dev, DRM_MODE_PROP_BLOB,
+ "PLANE_CTM", 0);
+ if (!prop)
+ return -ENOMEM;
+
+ plane->ctm_property = prop;
+
return 0;
}
EXPORT_SYMBOL(drm_plane_create_color_mgmt_properties);
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index bbd0033ed1d2..83d11918333b 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -252,6 +252,14 @@ struct drm_plane_state {
*/
struct drm_property_blob *degamma_lut;
+ /**
+ * @ctm:
+ *
+ * Color transformation matrix. See drm_plane_enable_color_mgmt(). The
+ * blob (if not NULL) is a &struct drm_color_ctm.
+ */
+ struct drm_property_blob *ctm;
+
u8 color_mgmt_changed : 1;
};
@@ -776,6 +784,13 @@ struct drm_plane {
* used to convert the framebuffer's colors to linear gamma.
*/
struct drm_property *degamma_lut_property;
+
+ /**
+ * @plane_ctm_property: Optional Plane property to set the
+ * matrix used to convert colors after the lookup in the
+ * degamma LUT.
+ */
+ struct drm_property *ctm_property;
};
#define obj_to_plane(x) container_of(x, struct drm_plane, base)
--
2.26.2
next prev parent reply other threads:[~2021-06-01 10:16 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-01 10:51 [PATCH 00/21] Add Support for Plane Color Lut and CSC features Uma Shankar
2021-06-01 10:51 ` [PATCH 01/21] drm: Add Enhanced Gamma and color lut range attributes Uma Shankar
2021-06-02 9:33 ` Pekka Paalanen
2021-06-02 20:26 ` Shankar, Uma
2021-06-04 15:23 ` Harry Wentland
2021-06-07 17:19 ` Shankar, Uma
2021-06-01 10:51 ` [PATCH 02/21] drm: Add Plane Degamma Mode property Uma Shankar
2021-06-04 18:24 ` Harry Wentland
2021-06-07 11:00 ` Pekka Paalanen
2021-06-07 17:34 ` Shankar, Uma
2021-06-08 8:34 ` Pekka Paalanen
2021-06-01 10:52 ` [PATCH 03/21] drm: Add Plane Degamma Lut property Uma Shankar
2021-06-01 10:52 ` [PATCH 04/21] drm/i915/xelpd: Define Degamma Lut range struct for HDR planes Uma Shankar
2021-06-28 15:14 ` Harry Wentland
2021-06-30 11:36 ` Shankar, Uma
2021-06-01 10:52 ` [PATCH 05/21] drm/i915/xelpd: Add register definitions for Plane Degamma Uma Shankar
2021-06-01 10:52 ` [PATCH 06/21] drm/i915/xelpd: Enable plane color features Uma Shankar
2021-06-01 10:52 ` [PATCH 07/21] drm/i915/xelpd: Add color capabilities of SDR planes Uma Shankar
2021-06-01 10:52 ` [PATCH 08/21] drm/i915/xelpd: Program Plane Degamma Registers Uma Shankar
2021-06-01 10:52 ` [PATCH 09/21] drm/i915/xelpd: Add plane color check to glk_plane_color_ctl Uma Shankar
2021-06-01 10:52 ` [PATCH 10/21] drm/i915/xelpd: Initialize plane color features Uma Shankar
2021-06-01 10:52 ` [PATCH 11/21] drm/i915/xelpd: Load plane color luts from atomic flip Uma Shankar
2021-06-01 10:52 ` Uma Shankar [this message]
2021-06-01 10:52 ` [PATCH 13/21] drm: Add helper to attach Plane ctm property Uma Shankar
2021-06-01 10:52 ` [PATCH 14/21] drm/i915/xelpd: Define Plane CSC Registers Uma Shankar
2021-06-01 10:52 ` [PATCH 15/21] drm/i915/xelpd: Enable Plane CSC Uma Shankar
2021-06-01 10:52 ` [PATCH 16/21] drm: Add Plane Gamma Mode property Uma Shankar
2021-06-01 10:52 ` [PATCH 17/21] drm: Add Plane Gamma Lut property Uma Shankar
2021-06-01 10:52 ` [PATCH 18/21] drm/i915/xelpd: Define and Initialize Plane Gamma Lut range Uma Shankar
2021-06-01 10:52 ` [PATCH 19/21] drm/i915/xelpd: Add register definitions for Plane Gamma Uma Shankar
2021-06-01 10:52 ` [PATCH 20/21] drm/i915/xelpd: Program Plane Gamma Registers Uma Shankar
2021-06-01 10:52 ` [PATCH 21/21] drm/i915/xelpd: Enable plane gamma Uma Shankar
2021-06-02 9:28 ` [PATCH 00/21] Add Support for Plane Color Lut and CSC features Pekka Paalanen
2021-06-02 20:22 ` Shankar, Uma
2021-06-02 23:42 ` Harry Wentland
2021-06-03 8:47 ` Pekka Paalanen
2021-06-03 12:30 ` Sebastian Wick
2021-06-03 12:58 ` Pekka Paalanen
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