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authorMarijn Suijten <marijn.suijten@somainline.org>2022-10-26 20:28:16 +0200
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>2022-11-04 17:39:41 +0300
commit170ffca836dd9f1a0219c4f67554d408fa2b5912 (patch)
tree8716b66c639c84137f60669eca12fd5047ac8a93 /drivers/gpu/drm
parent01a907980e0be3310f18c7d4955968f3b28e7147 (diff)
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drm/msm/dsi: Remove repeated calculation of slice_per_intf
slice_per_intf is already computed for intf_width, which holds the same value as hdisplay. Fixes: 08802f515c3c ("drm/msm/dsi: Add support for DSC configuration") Reviewed-by: Bjorn Andersson <andersson@kernel.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Reviewed-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/508933/ Link: https://lore.kernel.org/r/20221026182824.876933-3-marijn.suijten@somainline.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 8026fe65bff6..d94832504d0f 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -842,7 +842,7 @@ static void dsi_ctrl_config(struct msm_dsi_host *msm_host, bool enable,
static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mode, u32 hdisplay)
{
struct drm_dsc_config *dsc = msm_host->dsc;
- u32 reg, intf_width, reg_ctrl, reg_ctrl2;
+ u32 reg, reg_ctrl, reg_ctrl2;
u32 slice_per_intf, total_bytes_per_intf;
u32 pkt_per_line;
u32 bytes_in_slice;
@@ -851,8 +851,7 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod
/* first calculate dsc parameters and then program
* compress mode registers
*/
- intf_width = hdisplay;
- slice_per_intf = DIV_ROUND_UP(intf_width, dsc->slice_width);
+ slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->slice_width);
/* If slice_per_pkt is greater than slice_per_intf
* then default to 1. This can happen during partial
@@ -861,7 +860,6 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod
if (slice_per_intf > dsc->slice_count)
dsc->slice_count = 1;
- slice_per_intf = DIV_ROUND_UP(hdisplay, dsc->slice_width);
bytes_in_slice = DIV_ROUND_UP(dsc->slice_width * dsc->bits_per_pixel, 8);
dsc->slice_chunk_size = bytes_in_slice;