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path: root/drivers/gpu/drm/nouveau/dispnv50/disp.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/disp.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 4b1650f51955..5c36c75232e6 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -322,8 +322,13 @@ nv50_outp_atomic_check_view(struct drm_encoder *encoder,
switch (connector->connector_type) {
case DRM_MODE_CONNECTOR_LVDS:
case DRM_MODE_CONNECTOR_eDP:
- /* Force use of scaler for non-EDID modes. */
- if (adjusted_mode->type & DRM_MODE_TYPE_DRIVER)
+ /* Don't force scaler for EDID modes with
+ * same size as the native one (e.g. different
+ * refresh rate)
+ */
+ if (adjusted_mode->hdisplay == native_mode->hdisplay &&
+ adjusted_mode->vdisplay == native_mode->vdisplay &&
+ adjusted_mode->type & DRM_MODE_TYPE_DRIVER)
break;
mode = native_mode;
asyc->scaler.full = true;
@@ -766,16 +771,20 @@ nv50_msto_atomic_check(struct drm_encoder *encoder,
struct nv50_head_atom *asyh = nv50_head_atom(crtc_state);
int slots;
- /* When restoring duplicated states, we need to make sure that the
- * bw remains the same and avoid recalculating it, as the connector's
- * bpc may have changed after the state was duplicated
- */
- if (!state->duplicated)
- asyh->dp.pbn =
- drm_dp_calc_pbn_mode(crtc_state->adjusted_mode.clock,
- connector->display_info.bpc * 3);
+ if (crtc_state->mode_changed || crtc_state->connectors_changed) {
+ /*
+ * When restoring duplicated states, we need to make sure that
+ * the bw remains the same and avoid recalculating it, as the
+ * connector's bpc may have changed after the state was
+ * duplicated
+ */
+ if (!state->duplicated) {
+ const int bpp = connector->display_info.bpc * 3;
+ const int clock = crtc_state->adjusted_mode.clock;
+
+ asyh->dp.pbn = drm_dp_calc_pbn_mode(clock, bpp);
+ }
- if (drm_atomic_crtc_needs_modeset(crtc_state)) {
slots = drm_dp_atomic_find_vcpi_slots(state, &mstm->mgr,
mstc->port,
asyh->dp.pbn);
@@ -948,11 +957,12 @@ nv50_mstc_get_modes(struct drm_connector *connector)
static int
nv50_mstc_atomic_check(struct drm_connector *connector,
- struct drm_connector_state *new_conn_state)
+ struct drm_atomic_state *state)
{
- struct drm_atomic_state *state = new_conn_state->state;
struct nv50_mstc *mstc = nv50_mstc(connector);
struct drm_dp_mst_topology_mgr *mgr = &mstc->mstm->mgr;
+ struct drm_connector_state *new_conn_state =
+ drm_atomic_get_new_connector_state(state, connector);
struct drm_connector_state *old_conn_state =
drm_atomic_get_old_connector_state(state, connector);
struct drm_crtc_state *crtc_state;