[PATCH v2 02/14] drm/msm/dpu: decide right side per last bit

From: Jun Nie
Date: Wed Oct 09 2024 - 04:52:35 EST


decide right side of a pair per last bit, in case of multiple
mixer pairs.

Signed-off-by: Jun Nie <jun.nie@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 7d0fff9472441..3e0e6e9757da5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -369,11 +369,10 @@ static void _dpu_crtc_setup_blend_cfg(struct dpu_crtc_mixer *mixer,
static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc)
{
struct dpu_crtc_state *crtc_state;
- int lm_idx, lm_horiz_position;
+ int lm_idx;

crtc_state = to_dpu_crtc_state(crtc->state);

- lm_horiz_position = 0;
for (lm_idx = 0; lm_idx < crtc_state->num_mixers; lm_idx++) {
const struct drm_rect *lm_roi = &crtc_state->lm_bounds[lm_idx];
struct dpu_hw_mixer *hw_lm = crtc_state->mixers[lm_idx].hw_lm;
@@ -384,7 +383,7 @@ static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc)

cfg.out_width = drm_rect_width(lm_roi);
cfg.out_height = drm_rect_height(lm_roi);
- cfg.right_mixer = lm_horiz_position++;
+ cfg.right_mixer = lm_idx & 0x1;
cfg.flags = 0;
hw_lm->ops.setup_mixer_out(hw_lm, &cfg);
}

--
2.34.1