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drm/amd/display: Use stream validation hook.

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Use dc_validate_stream from crtc atomic_check for single stream
validation.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2017-07-24 15:35:24 -04:00 committed by Alex Deucher
parent 9345d9874c
commit 4017fcdf58
1 changed files with 48 additions and 38 deletions
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86
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
View File

@ -64,6 +64,24 @@ struct dm_connector_state {
#define to_dm_connector_state(x)\
container_of((x), struct dm_connector_state, base)
static bool modeset_required(struct drm_crtc_state *crtc_state)
{
if (!drm_atomic_crtc_needs_modeset(crtc_state))
return false;
if (!crtc_state->enable)
return false;
return crtc_state->active;
}
static bool modereset_required(struct drm_crtc_state *crtc_state)
{
if (!drm_atomic_crtc_needs_modeset(crtc_state))
return false;
return !crtc_state->enable || !crtc_state->active;
}
void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder)
{
@ -1268,11 +1286,9 @@ int amdgpu_dm_connector_mode_valid(
int result = MODE_ERROR;
struct dc_sink *dc_sink;
struct amdgpu_device *adev = connector->dev->dev_private;
struct dc_validation_set val_set = { 0 };
/* TODO: Unhardcode stream count */
struct dc_stream *stream;
struct amdgpu_connector *aconnector = to_amdgpu_connector(connector);
struct validate_context *context;
if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
(mode->flags & DRM_MODE_FLAG_DBLSCAN))
@ -1289,35 +1305,28 @@ int amdgpu_dm_connector_mode_valid(
if (NULL == dc_sink) {
DRM_ERROR("dc_sink is NULL!\n");
goto null_sink;
goto fail;
}
stream = dc_create_stream_for_sink(dc_sink);
if (NULL == stream) {
DRM_ERROR("Failed to create stream for sink!\n");
goto stream_create_fail;
goto fail;
}
drm_mode_set_crtcinfo(mode, 0);
fill_stream_properties_from_drm_display_mode(stream, mode, connector);
val_set.stream = stream;
val_set.surface_count = 0;
stream->src.width = mode->hdisplay;
stream->src.height = mode->vdisplay;
stream->dst = stream->src;
context = dc_get_validate_context(adev->dm.dc, &val_set, 1);
if (context) {
if (dc_validate_stream(adev->dm.dc, stream))
result = MODE_OK;
dc_release_validate_context(context);
}
dc_stream_release(stream);
stream_create_fail:
null_sink:
fail:
/* TODO: error handling*/
return result;
}
@ -1343,7 +1352,24 @@ static int dm_crtc_helper_atomic_check(
struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
return 0;
struct amdgpu_device *adev = crtc->dev->dev_private;
struct dc *dc = adev->dm.dc;
struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(state);
int ret = -EINVAL;
if (unlikely(!dm_crtc_state->stream && modeset_required(state))) {
WARN_ON(1);
return ret;
}
/* In some use cases, like reset, no stream is attached */
if (!dm_crtc_state->stream)
return 0;
if (dc_validate_stream(dc, dm_crtc_state->stream))
return 0;
return ret;
}
static bool dm_crtc_helper_mode_fixup(
@ -2119,25 +2145,6 @@ int amdgpu_dm_encoder_init(
return res;
}
static bool modeset_required(struct drm_crtc_state *crtc_state)
{
if (!drm_atomic_crtc_needs_modeset(crtc_state))
return false;
if (!crtc_state->enable)
return false;
return crtc_state->active;
}
static bool modereset_required(struct drm_crtc_state *crtc_state)
{
if (!drm_atomic_crtc_needs_modeset(crtc_state))
return false;
return !crtc_state->enable || !crtc_state->active;
}
static void manage_dm_interrupts(
struct amdgpu_device *adev,
struct amdgpu_crtc *acrtc,
@ -2935,7 +2942,7 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
*/
bool lock_and_validation_needed = false;
ret = drm_atomic_helper_check(dev, state);
ret = drm_atomic_helper_check_modeset(dev, state);
if (ret) {
DRM_ERROR("Atomic state validation failed with error :%d !\n", ret);
@ -2957,6 +2964,7 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
}
}
/*TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set */
/* update changed items */
for_each_crtc_in_state(state, crtc, crtc_state, i) {
struct amdgpu_crtc *acrtc = NULL;
@ -3089,10 +3097,7 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
if (plane->type == DRM_PLANE_TYPE_CURSOR)
continue;
if (!fb || !plane_crtc || crtc != plane_crtc ||
(!crtc_state->planes_changed &&
!crtc_state->color_mgmt_changed) ||
!crtc_state->active)
if (!fb || !plane_crtc || crtc != plane_crtc || !crtc_state->active)
continue;
WARN_ON(!new_acrtc_state->stream);
@ -3128,6 +3133,11 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
}
}
/* Run this here since we want to validate the streams we created */
ret = drm_atomic_helper_check_planes(dev, state);
if (ret)
goto fail;
/*
* For full updates case when
* removing/adding/updating streams on once CRTC while flipping