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author | Jessica Zhang <quic_jesszhan@quicinc.com> | 2023-05-24 19:45:22 +0200 |
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committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-06-15 11:58:56 +0200 |
commit | 149419396a9200075de8d75becd740ae48721524 (patch) | |
tree | 3cb21e48e47dd2a4a32e15d3872d13e743aa6b27 | |
parent | drm/msm/dsi: Use MSM and DRM DSC helper methods (diff) | |
download | linux-149419396a9200075de8d75becd740ae48721524.tar.xz linux-149419396a9200075de8d75becd740ae48721524.zip |
drm/msm/dsi: update hdisplay calculation for dsi_timing_setup
Currently, hdisplay is being divided by 3 for DSC. However, this
calculation only works for cases where BPP = 8.
Update hdisplay calculation to be bytes_per_line / 3, so that it
accounts for cases where BPP != 8.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/539271/
Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-9-bafc7be95691@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
-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 e693022ef79f..1a99d75025dc 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 /= 3; + hdisplay = msm_dsc_get_bytes_per_line(msm_host->dsc) / 3; h_total += hdisplay; ha_end = ha_start + hdisplay; } |