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drm/panel: samsung-s6e88a0-ams452ef01: Use test key helpers

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The F0 command pair in this driver is already documented as enabling
and disabling level 2 commands. Replace the raw writes with the shared
level 2 test key helpers.

Assisted-by: LLM
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260903-drm-panels-sofef0-v1-2-9e841645beba@kernel.org
This commit is contained in:
Linus Walleij 2026-09-03 23:21:20 +02:00
parent b990db9a01
commit 920237dde7
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams452ef01.c
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@ -13,6 +13,8 @@
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
#include "panel-samsung-dsi.h"
struct s6e88a0_ams452ef01 {
struct drm_panel panel;
struct mipi_dsi_device *dsi;
@ -43,7 +45,7 @@ static int s6e88a0_ams452ef01_on(struct s6e88a0_ams452ef01 *ctx)
dsi->mode_flags |= MIPI_DSI_MODE_LPM;
mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0x5a, 0x5a); // enable LEVEL2 commands
samsung_dsi_test_key_on_lvl2(&dsi_ctx);
mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcc, 0x4c); // set Pixel Clock Divider polarity
mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
@ -66,7 +68,7 @@ static int s6e88a0_ams452ef01_on(struct s6e88a0_ams452ef01 *ctx)
mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb6, 0x2c, 0x0b); // set default elvss voltage
mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf7, 0x03); // gamma/aor update
mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xa5, 0xa5); // disable LEVEL2 commands
samsung_dsi_test_key_off_lvl2(&dsi_ctx);
mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);