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Date: Sun, 9 Oct 2022 20:48:17 +0200 From: Marijn Suijten <marijn.suijten@...ainline.org> To: phone-devel@...r.kernel.org, Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Vinod Koul <vkoul@...nel.org> Cc: ~postmarketos/upstreaming@...ts.sr.ht, AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>, Konrad Dybcio <konrad.dybcio@...ainline.org>, Martin Botka <martin.botka@...ainline.org>, Jami Kettunen <jami.kettunen@...ainline.org>, Marijn Suijten <marijn.suijten@...ainline.org>, Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, Douglas Anderson <dianders@...omium.org>, Vladimir Lypak <vladimir.lypak@...il.com>, linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: [PATCH v3 03/10] drm/msm/dsi: Use DIV_ROUND_UP instead of conditional increment on modulo This exact same math is used to compute bytes_in_slice above in dsi_update_dsc_timing(), also used to fill slice_chunk_size. Fixes: b9080324d6ca ("drm/msm/dsi: add support for dsc data") Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com> --- drivers/gpu/drm/msm/dsi/dsi_host.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index c746ed5d61f9..48c966375ffa 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1829,9 +1829,7 @@ static int dsi_populate_dsc_params(struct drm_dsc_config *dsc) * params are calculated */ groups_per_line = DIV_ROUND_UP(dsc->slice_width, 3); - dsc->slice_chunk_size = dsc->slice_width * dsc->bits_per_pixel / 8; - if ((dsc->slice_width * dsc->bits_per_pixel) % 8) - dsc->slice_chunk_size++; + dsc->slice_chunk_size = DIV_ROUND_UP(dsc->slice_width * dsc->bits_per_pixel, 8); /* rbs-min */ min_rate_buffer_size = dsc->rc_model_size - dsc->initial_offset + -- 2.38.0
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