diff options
| author | Satendra Singh Thakur <thakursatendra2003@yahoo.co.in> | 2018-03-31 17:47:58 +0300 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2018-05-02 09:20:47 +0300 |
| commit | 72ac6969033dc9f5e526566240a3a7934f0916ee (patch) | |
| tree | 4d05eb36a60d9479fdea20b02df455b98314a797 /drivers/gpu/drm/mediatek/mtk_dsi.c | |
| parent | 1e10911539a61a048524bbb54ccfb6329b30b6d4 (diff) | |
| download | linux-72ac6969033dc9f5e526566240a3a7934f0916ee.tar.xz | |
drm/mediatek: Using the function drm_display_mode_to_videomode
This patch uses existing method drm_display_mode_to_videomode for
calculating front/back porches, sync lengths for mediatek dsi/dpi
drivers; instead of manually calculating them
Signed-off-by: Satendra Singh Thakur <thakursatendra2003@yahoo.co.in>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dsi.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 7e5e24c2152a..aa0943ec32b0 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -551,13 +551,12 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi) } /** - * vm.pixelclock is in kHz, pixel_clock unit is Hz, so multiply by 1000 * htotal_time = htotal * byte_per_pixel / num_lanes * overhead_time = lpx + hs_prepare + hs_zero + hs_trail + hs_exit * mipi_ratio = (htotal_time + overhead_time) / htotal_time * data_rate = pixel_clock * bit_per_pixel * mipi_ratio / num_lanes; */ - pixel_clock = dsi->vm.pixelclock * 1000; + pixel_clock = dsi->vm.pixelclock; htotal = dsi->vm.hactive + dsi->vm.hback_porch + dsi->vm.hfront_porch + dsi->vm.hsync_len; htotal_bits = htotal * bit_per_pixel; @@ -725,16 +724,7 @@ static void mtk_dsi_encoder_mode_set(struct drm_encoder *encoder, { struct mtk_dsi *dsi = encoder_to_dsi(encoder); - dsi->vm.pixelclock = adjusted->clock; - dsi->vm.hactive = adjusted->hdisplay; - dsi->vm.hback_porch = adjusted->htotal - adjusted->hsync_end; - dsi->vm.hfront_porch = adjusted->hsync_start - adjusted->hdisplay; - dsi->vm.hsync_len = adjusted->hsync_end - adjusted->hsync_start; - - dsi->vm.vactive = adjusted->vdisplay; - dsi->vm.vback_porch = adjusted->vtotal - adjusted->vsync_end; - dsi->vm.vfront_porch = adjusted->vsync_start - adjusted->vdisplay; - dsi->vm.vsync_len = adjusted->vsync_end - adjusted->vsync_start; + drm_display_mode_to_videomode(adjusted, &dsi->vm); } static void mtk_dsi_encoder_disable(struct drm_encoder *encoder) |