| Message ID | 20201010070910.11294-2-jitao.shi@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | fix scrolling of panel with small hfp or hbp | expand |
Hi Jitao, On Sat, 10 Oct 2020 15:09:09 +0800 Jitao Shi <jitao.shi@mediatek.com> wrote: > This reverts commit 35bf948f1edbf507f6e57e0879fa6ea36d2d2930. > > Signed-off-by: Jitao Shi <jitao.shi@mediatek.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 > Reviewed-by: Bilal Wasim <bilal.wasim@imgtec.com> Tested-by: Bilal Wasim <bilal.wasim@imgtec.com> Thanks, Bilal
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 >
This reverts commit 35bf948f1edbf507f6e57e0879fa6ea36d2d2930. Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> --- drivers/gpu/drm/mediatek/mtk_dsi.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)