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drm/vkms: Add config for default plane pipeline

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With the introduction of color pipeline in VKMS, the default device may
have planes with color pipelines. To avoid breaking existing uAPI,
create a kernel argument to disable them by default and a vkms_config
field to configure the plane.

This field is not definitive and will be replaced once the uAPI will be
able to configure color pipelines. For now devices created with ConfigFS
will not have any color pipeline so we can decide later how the uAPI
will look like.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-17-alex.hung@amd.com
This commit is contained in:
Louis Chauvet
2025-11-14 17:01:41 -07:00
committed by Simon Ser
parent c1e578bd08
commit 9b5c7e8b45
5 changed files with 71 additions and 21 deletions
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47
drivers/gpu/drm/vkms/tests/vkms_config_test.c
View File

@@ -83,6 +83,7 @@ struct default_config_case {
bool enable_cursor;
bool enable_writeback;
bool enable_overlay;
bool enable_plane_pipeline;
};
static void vkms_config_test_empty_config(struct kunit *test)
@@ -108,14 +109,22 @@ static void vkms_config_test_empty_config(struct kunit *test)
}
static struct default_config_case default_config_cases[] = {
{ false, false, false },
{ true, false, false },
{ true, true, false },
{ true, false, true },
{ false, true, false },
{ false, true, true },
{ false, false, true },
{ true, true, true },
{ false, false, false, false },
{ true, false, false, false },
{ true, true, false, false },
{ true, false, true, false },
{ false, true, false, false },
{ false, true, true, false },
{ false, false, true, false },
{ true, true, true, false },
{ false, false, false, true },
{ true, false, false, true },
{ true, true, false, true },
{ true, false, true, true },
{ false, true, false, true },
{ false, true, true, true },
{ false, false, true, true },
{ true, true, true, true },
};
KUNIT_ARRAY_PARAM(default_config, default_config_cases, NULL);
@@ -132,11 +141,15 @@ static void vkms_config_test_default_config(struct kunit *test)
config = vkms_config_default_create(params->enable_cursor,
params->enable_writeback,
params->enable_overlay);
params->enable_overlay,
params->enable_plane_pipeline);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
/* Planes */
vkms_config_for_each_plane(config, plane_cfg) {
KUNIT_EXPECT_EQ(test,
vkms_config_plane_get_default_pipeline(plane_cfg),
params->enable_plane_pipeline);
switch (vkms_config_plane_get_type(plane_cfg)) {
case DRM_PLANE_TYPE_PRIMARY:
n_primaries++;
@@ -368,7 +381,7 @@ static void vkms_config_test_invalid_plane_number(struct kunit *test)
struct vkms_config_plane *plane_cfg;
int n;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
/* Invalid: No planes */
@@ -393,7 +406,7 @@ static void vkms_config_test_valid_plane_type(struct kunit *test)
struct vkms_config_encoder *encoder_cfg;
int err;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
plane_cfg = get_first_plane(config);
@@ -474,7 +487,7 @@ static void vkms_config_test_valid_plane_possible_crtcs(struct kunit *test)
struct vkms_config_plane *plane_cfg;
struct vkms_config_crtc *crtc_cfg;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
plane_cfg = get_first_plane(config);
@@ -493,7 +506,7 @@ static void vkms_config_test_invalid_crtc_number(struct kunit *test)
struct vkms_config_crtc *crtc_cfg;
int n;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
/* Invalid: No CRTCs */
@@ -516,7 +529,7 @@ static void vkms_config_test_invalid_encoder_number(struct kunit *test)
struct vkms_config_encoder *encoder_cfg;
int n;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
/* Invalid: No encoders */
@@ -541,7 +554,7 @@ static void vkms_config_test_valid_encoder_possible_crtcs(struct kunit *test)
struct vkms_config_encoder *encoder_cfg;
int err;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
crtc_cfg1 = get_first_crtc(config);
@@ -587,7 +600,7 @@ static void vkms_config_test_invalid_connector_number(struct kunit *test)
struct vkms_config_connector *connector_cfg;
int n;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
/* Invalid: No connectors */
@@ -610,7 +623,7 @@ static void vkms_config_test_valid_connector_possible_encoders(struct kunit *tes
struct vkms_config_encoder *encoder_cfg;
struct vkms_config_connector *connector_cfg;
config = vkms_config_default_create(false, false, false);
config = vkms_config_default_create(false, false, false, false);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, config);
encoder_cfg = get_first_encoder(config);