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drm/drm_property: make replace_property_blob_from_id a DRM helper

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Place it in drm_property where drm_property_replace_blob and
drm_property_lookup_blob live. Then we can use the DRM helper for
driver-specific KMS properties too.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Melissa Wen 2023-11-16 18:57:42 -01:00 committed by Alex Deucher
parent 1e13c5644c
commit 6016031053
4 changed files with 71 additions and 48 deletions
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2
drivers/gpu/drm/arm/malidp_crtc.c
View File

@ -221,7 +221,7 @@ static int malidp_crtc_atomic_check_ctm(struct drm_crtc *crtc,
/*
* The size of the ctm is checked in
* drm_atomic_replace_property_blob_from_id.
* drm_property_replace_blob_from_id.
*/
ctm = (struct drm_color_ctm *)state->ctm->data;
for (i = 0; i < ARRAY_SIZE(ctm->matrix); ++i) {

52
drivers/gpu/drm/drm_atomic_uapi.c
View File

@ -362,48 +362,6 @@ static s32 __user *get_out_fence_for_connector(struct drm_atomic_state *state,
return fence_ptr;
}
static int
drm_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) {
drm_dbg_atomic(dev,
"cannot find blob ID %llu\n", blob_id);
return -EINVAL;
}
if (expected_size > 0 &&
new_blob->length != expected_size) {
drm_dbg_atomic(dev,
"[BLOB:%d] length %zu different from expected %zu\n",
new_blob->base.id, 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_dbg_atomic(dev,
"[BLOB:%d] length %zu not divisible by element size %zu\n",
new_blob->base.id, new_blob->length, expected_elem_size);
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 drm_atomic_crtc_set_property(struct drm_crtc *crtc,
struct drm_crtc_state *state, struct drm_property *property,
uint64_t val)
@ -424,7 +382,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
} else if (property == config->prop_vrr_enabled) {
state->vrr_enabled = val;
} else if (property == config->degamma_lut_property) {
ret = drm_atomic_replace_property_blob_from_id(dev,
ret = drm_property_replace_blob_from_id(dev,
&state->degamma_lut,
val,
-1, sizeof(struct drm_color_lut),
@ -432,7 +390,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
state->color_mgmt_changed |= replaced;
return ret;
} else if (property == config->ctm_property) {
ret = drm_atomic_replace_property_blob_from_id(dev,
ret = drm_property_replace_blob_from_id(dev,
&state->ctm,
val,
sizeof(struct drm_color_ctm), -1,
@ -440,7 +398,7 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
state->color_mgmt_changed |= replaced;
return ret;
} else if (property == config->gamma_lut_property) {
ret = drm_atomic_replace_property_blob_from_id(dev,
ret = drm_property_replace_blob_from_id(dev,
&state->gamma_lut,
val,
-1, sizeof(struct drm_color_lut),
@ -581,7 +539,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
} else if (property == plane->color_range_property) {
state->color_range = val;
} else if (property == config->prop_fb_damage_clips) {
ret = drm_atomic_replace_property_blob_from_id(dev,
ret = drm_property_replace_blob_from_id(dev,
&state->fb_damage_clips,
val,
-1,
@ -778,7 +736,7 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
if (state->link_status != DRM_LINK_STATUS_GOOD)
state->link_status = val;
} else if (property == config->hdr_output_metadata_property) {
ret = drm_atomic_replace_property_blob_from_id(dev,
ret = drm_property_replace_blob_from_id(dev,
&state->hdr_output_metadata,
val,
sizeof(struct hdr_output_metadata), -1,

59
drivers/gpu/drm/drm_property.c
View File

@ -27,6 +27,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_print.h>
#include <drm/drm_property.h>
#include "drm_crtc_internal.h"
@ -751,6 +752,64 @@ bool drm_property_replace_blob(struct drm_property_blob **blob,
}
EXPORT_SYMBOL(drm_property_replace_blob);
/**
* drm_property_replace_blob_from_id - replace a blob property taking a reference
* @dev: DRM device
* @blob: a pointer to the member blob to be replaced
* @blob_id: the id of the new blob to replace with
* @expected_size: expected size of the blob property
* @expected_elem_size: expected size of an element in the blob property
* @replaced: if the blob was in fact replaced
*
* Look up the new blob from id, take its reference, check expected sizes of
* the blob and its element and replace the old blob by the new one. Advertise
* if the replacement operation was successful.
*
* Return: true if the blob was in fact replaced. -EINVAL if the new blob was
* not found or sizes don't match.
*/
int drm_property_replace_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) {
drm_dbg_atomic(dev,
"cannot find blob ID %llu\n", blob_id);
return -EINVAL;
}
if (expected_size > 0 &&
new_blob->length != expected_size) {
drm_dbg_atomic(dev,
"[BLOB:%d] length %zu different from expected %zu\n",
new_blob->base.id, 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_dbg_atomic(dev,
"[BLOB:%d] length %zu not divisible by element size %zu\n",
new_blob->base.id, new_blob->length, expected_elem_size);
drm_property_blob_put(new_blob);
return -EINVAL;
}
}
*replaced |= drm_property_replace_blob(blob, new_blob);
drm_property_blob_put(new_blob);
return 0;
}
EXPORT_SYMBOL(drm_property_replace_blob_from_id);
int drm_mode_getblob_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{

6
include/drm/drm_property.h
View File

@ -279,6 +279,12 @@ struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
const void *data);
struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev,
uint32_t id);
int drm_property_replace_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 drm_property_replace_global_blob(struct drm_device *dev,
struct drm_property_blob **replace,
size_t length,