The assigned_channel field of our vc4_crtc_state structure is accessed multiple times in vc4_hvs_atomic_flush, so let's move it to a variable that can be used in all those places.
Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/vc4/vc4_hvs.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index c8cae10500b9..d225eea6e640 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -460,6 +460,7 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc, struct drm_device *dev = crtc->dev; struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state); + unsigned int channel = vc4_state->assigned_channel; struct drm_plane *plane; struct vc4_plane_state *vc4_plane_state; bool debug_dump_regs = false; @@ -500,8 +501,8 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc, /* This sets a black background color fill, as is the case * with other DRM drivers. */ - HVS_WRITE(SCALER_DISPBKGNDX(vc4_state->assigned_channel), - HVS_READ(SCALER_DISPBKGNDX(vc4_state->assigned_channel)) | + HVS_WRITE(SCALER_DISPBKGNDX(channel), + HVS_READ(SCALER_DISPBKGNDX(channel)) | SCALER_DISPBKGND_FILL);
/* Only update DISPLIST if the CRTC was already running and is not @@ -515,7 +516,7 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc, vc4_hvs_update_dlist(crtc);
if (crtc->state->color_mgmt_changed) { - u32 dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(vc4_state->assigned_channel)); + u32 dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(channel));
if (crtc->state->gamma_lut) { vc4_hvs_update_gamma_lut(crtc); @@ -527,7 +528,7 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc, */ dispbkgndx &= ~SCALER_DISPBKGND_GAMMA; } - HVS_WRITE(SCALER_DISPBKGNDX(vc4_state->assigned_channel), dispbkgndx); + HVS_WRITE(SCALER_DISPBKGNDX(channel), dispbkgndx); }
if (debug_dump_regs) {