[RFC PATCH 09/40] drm/amd/display: move replace blob func to dm plane

From: Melissa Wen
Date: Sun Apr 23 2023 - 10:13:22 EST


>From amdgpu_dm_plane we can get it for both CRTC and plane color
properties. We are adding new plane properties for AMD driver-private
color mgmt.

Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
---
.../amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 37 +------------------
.../amd/display/amdgpu_dm/amdgpu_dm_plane.c | 35 ++++++++++++++++++
.../amd/display/amdgpu_dm/amdgpu_dm_plane.h | 7 ++++
3 files changed, 44 insertions(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index 79324fbab1f1..27d7a8b18013 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -344,39 +344,6 @@ dm_crtc_additional_color_mgmt(struct drm_crtc *crtc)
DRM_TRANSFER_FUNCTION_DEFAULT);
}

-static int
-atomic_replace_property_blob_from_id(struct drm_device *dev,
- struct drm_property_blob **blob,
- uint64_t blob_id,
- ssize_t expected_size,
- ssize_t expected_elem_size,
- bool *replaced)
-{
- struct drm_property_blob *new_blob = NULL;
-
- if (blob_id != 0) {
- new_blob = drm_property_lookup_blob(dev, blob_id);
- if (new_blob == NULL)
- return -EINVAL;
-
- if (expected_size > 0 &&
- new_blob->length != expected_size) {
- drm_property_blob_put(new_blob);
- return -EINVAL;
- }
- if (expected_elem_size > 0 &&
- new_blob->length % expected_elem_size != 0) {
- drm_property_blob_put(new_blob);
- return -EINVAL;
- }
- }
-
- *replaced |= drm_property_replace_blob(blob, new_blob);
- drm_property_blob_put(new_blob);
-
- return 0;
-}
-
static int
amdgpu_dm_atomic_crtc_set_property(struct drm_crtc *crtc,
struct drm_crtc_state *state,
@@ -389,7 +356,7 @@ amdgpu_dm_atomic_crtc_set_property(struct drm_crtc *crtc,
int ret;

if (property == adev->mode_info.shaper_lut_property) {
- ret = atomic_replace_property_blob_from_id(crtc->dev,
+ ret = amdgpu_dm_replace_property_blob_from_id(crtc->dev,
&acrtc_state->shaper_lut,
val,
-1, sizeof(struct drm_color_lut),
@@ -397,7 +364,7 @@ amdgpu_dm_atomic_crtc_set_property(struct drm_crtc *crtc,
acrtc_state->base.color_mgmt_changed |= replaced;
return ret;
} else if (property == adev->mode_info.lut3d_property) {
- ret = atomic_replace_property_blob_from_id(crtc->dev,
+ ret = amdgpu_dm_replace_property_blob_from_id(crtc->dev,
&acrtc_state->lut3d,
val,
-1, sizeof(struct drm_color_lut),
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
index 322668973747..4e5498153be2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -1411,6 +1411,41 @@ static void dm_drm_plane_destroy_state(struct drm_plane *plane,
drm_atomic_helper_plane_destroy_state(plane, state);
}

+#ifdef CONFIG_STEAM_DECK
+int
+amdgpu_dm_replace_property_blob_from_id(struct drm_device *dev,
+ struct drm_property_blob **blob,
+ uint64_t blob_id,
+ ssize_t expected_size,
+ ssize_t expected_elem_size,
+ bool *replaced)
+{
+ struct drm_property_blob *new_blob = NULL;
+
+ if (blob_id != 0) {
+ new_blob = drm_property_lookup_blob(dev, blob_id);
+ if (new_blob == NULL)
+ return -EINVAL;
+
+ if (expected_size > 0 &&
+ new_blob->length != expected_size) {
+ drm_property_blob_put(new_blob);
+ return -EINVAL;
+ }
+ if (expected_elem_size > 0 &&
+ new_blob->length % expected_elem_size != 0) {
+ drm_property_blob_put(new_blob);
+ return -EINVAL;
+ }
+ }
+
+ *replaced |= drm_property_replace_blob(blob, new_blob);
+ drm_property_blob_put(new_blob);
+
+ return 0;
+}
+#endif
+
static const struct drm_plane_funcs dm_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h
index 930f1572f898..1b05ac4c15f6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.h
@@ -51,6 +51,13 @@ int amdgpu_dm_plane_fill_plane_buffer_attributes(struct amdgpu_device *adev,
bool tmz_surface,
bool force_disable_dcc);

+int amdgpu_dm_replace_property_blob_from_id(struct drm_device *dev,
+ struct drm_property_blob **blob,
+ uint64_t blob_id,
+ ssize_t expected_size,
+ ssize_t expected_elem_size,
+ bool *replaced);
+
int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
struct drm_plane *plane,
unsigned long possible_crtcs,
--
2.39.2