diff options
| author | Jessica Zhang <[email protected]> | 2023-06-09 15:57:13 -0700 |
|---|---|---|
| committer | Dmitry Baryshkov <[email protected]> | 2023-06-15 13:08:31 +0300 |
| commit | 21bf617110bab03001bd86ec1a822164bacbc747 (patch) | |
| tree | 9cb6abeac29501bc99124628d26e951c00328d4f | |
| parent | 0d1b10c633468e84e64412b8061f6f7f678f14cb (diff) | |
msm/drm/dsi: Round up DSC hdisplay calculation
Currently, when compression is enabled, hdisplay is reduced via integer
division. This causes issues for modes where the original hdisplay is
not a multiple of 3.
To fix this, use DIV_ROUND_UP to divide hdisplay.
Suggested-by: Marijn Suijten <[email protected]>
Fixes: 08802f515c3cf ("drm/msm/dsi: Add support for DSC configuration")
Reviewed-by: Marijn Suijten <[email protected]>
Signed-off-by: Jessica Zhang <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/541970/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 1a99d75025dc..a448931af804 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -949,7 +949,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi) * pulse width same */ h_total -= hdisplay; - hdisplay = msm_dsc_get_bytes_per_line(msm_host->dsc) / 3; + hdisplay = DIV_ROUND_UP(msm_dsc_get_bytes_per_line(msm_host->dsc), 3); h_total += hdisplay; ha_end = ha_start + hdisplay; } |