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drm/rcar-du: dsi: Deduplicate mipi_dsi_pixel_format_to_bpp() usage

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Call mipi_dsi_pixel_format_to_bpp() once in rcar_mipi_dsi_set_display_timing()
and store the value into a variable. This slightly simplifies the code.

No functional change.

Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://patch.msgid.link/20251028232959.109936-5-marek.vasut+renesas@mailbox.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
This commit is contained in:
Marek Vasut
2025-10-29 00:28:14 +01:00
committed by Tomi Valkeinen
parent c979eb60a6
commit 1d89f8b4b9
1 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c
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@@ -457,13 +457,17 @@ static void rcar_mipi_dsi_set_display_timing(struct rcar_mipi_dsi *dsi,
u32 vprmset4r;
/* Configuration for Pixel Stream and Packet Header */
if (mipi_dsi_pixel_format_to_bpp(dsi->format) == 24)
switch (mipi_dsi_pixel_format_to_bpp(dsi->format)) {
case 24:
rcar_mipi_dsi_write(dsi, TXVMPSPHSETR, TXVMPSPHSETR_DT_RGB24);
else if (mipi_dsi_pixel_format_to_bpp(dsi->format) == 18)
break;
case 18:
rcar_mipi_dsi_write(dsi, TXVMPSPHSETR, TXVMPSPHSETR_DT_RGB18);
else if (mipi_dsi_pixel_format_to_bpp(dsi->format) == 16)
break;
case 16:
rcar_mipi_dsi_write(dsi, TXVMPSPHSETR, TXVMPSPHSETR_DT_RGB16);
else {
break;
default:
dev_warn(dsi->dev, "unsupported format");
return;
}