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Subject[PATCH v3 028/105] drm/vc4: crtc: Restrict HACT_ACT setup to DSI
Date
The HACT_ACT field only needs to be written to when using a DSI display.
Let's move that setup to our DSI branch to clear a bit the common path.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 8dbf06cdb069..5e1d234f3c8e 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -344,7 +344,8 @@ static void vc4_crtc_config_pv(struct drm_crtc *crtc)
(is_dsi ? PV_VCONTROL_DSI : 0));
}

- CRTC_WRITE(PV_HACT_ACT, mode->hdisplay * pixel_rep);
+ if (is_dsi)
+ CRTC_WRITE(PV_HACT_ACT, mode->hdisplay * pixel_rep);

CRTC_WRITE(PV_CONTROL,
VC4_SET_FIELD(format, PV_CONTROL_FORMAT) |
--
git-series 0.9.1
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