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- From 51109530891c981b681816152bd205724deabcca Mon Sep 17 00:00:00 2001
- From: Jitao Shi <jitao.shi@mediatek.com>
- Date: Sat, 10 Oct 2020 15:09:09 +0800
- Subject: [PATCH] Revert "drm/mediatek: dsi: Fix scrolling of panel with small
- hfp or hbp"
- This reverts commit 35bf948f1edbf507f6e57e0879fa6ea36d2d2930.
- Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
- Reviewed-by: Bilal Wasim <bilal.wasim@imgtec.com>
- Tested-by: Bilal Wasim <bilal.wasim@imgtec.com>
- ---
- drivers/gpu/drm/mediatek/mtk_dsi.c | 9 +++++----
- 1 file changed, 5 insertions(+), 4 deletions(-)
- diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
- index 80b7a082e874..16fd99dcdacf 100644
- --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
- +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
- @@ -466,13 +466,14 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
- horizontal_sync_active_byte = (vm->hsync_len * dsi_tmp_buf_bpp - 10);
-
- if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)
- - horizontal_backporch_byte = vm->hback_porch * dsi_tmp_buf_bpp;
- + horizontal_backporch_byte =
- + (vm->hback_porch * dsi_tmp_buf_bpp - 10);
- else
- - horizontal_backporch_byte = (vm->hback_porch + vm->hsync_len) *
- - dsi_tmp_buf_bpp;
- + horizontal_backporch_byte = ((vm->hback_porch + vm->hsync_len) *
- + dsi_tmp_buf_bpp - 10);
-
- data_phy_cycles = timing->lpx + timing->da_hs_prepare +
- - timing->da_hs_zero + timing->da_hs_exit;
- + timing->da_hs_zero + timing->da_hs_exit + 3;
-
- if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) {
- if ((vm->hfront_porch + vm->hback_porch) * dsi_tmp_buf_bpp >
- --
- 2.25.1
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