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| author | Tony Lindgren <tony@atomide.com> | 2018-08-28 09:58:03 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2018-08-28 09:58:03 -0700 |
| commit | ea4d65f14f6aaa53e379b93c5544245ef081b3e7 (patch) | |
| tree | a15485f4f1cf547a52b31fa8e16e14b9579b7200 /drivers/gpu/drm/arm/malidp_crtc.c | |
| parent | ce32d59ee2cd036f6e8a6ed17a06a0b0bec5c67c (diff) | |
| parent | 496f3347d834aec91c38b45d6249ed00f58ad233 (diff) | |
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
Diffstat (limited to 'drivers/gpu/drm/arm/malidp_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_crtc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c index fcc62bc60f6a..ef44202fb43f 100644 --- a/drivers/gpu/drm/arm/malidp_crtc.c +++ b/drivers/gpu/drm/arm/malidp_crtc.c @@ -411,6 +411,16 @@ static int malidp_crtc_atomic_check(struct drm_crtc *crtc, } } + /* If only the writeback routing has changed, we don't need a modeset */ + if (state->connectors_changed) { + u32 old_mask = crtc->state->connector_mask; + u32 new_mask = state->connector_mask; + + if ((old_mask ^ new_mask) == + (1 << drm_connector_index(&malidp->mw_connector.base))) + state->connectors_changed = false; + } + ret = malidp_crtc_atomic_check_gamma(crtc, state); ret = ret ? ret : malidp_crtc_atomic_check_ctm(crtc, state); ret = ret ? ret : malidp_crtc_atomic_check_scaling(crtc, state); |