Commit fcf38bc3 authored by Cong Yang's avatar Cong Yang Committed by Douglas Anderson
Browse files

drm/panel: himax-hx83102: Adjust power and gamma to optimize brightness 



The current panel brightness is only 360 nit. Adjust the power and gamma to
optimize the panel brightness. The brightness after adjustment is 390 nit.

Fixes: 31793387 ("drm/panel: himax-hx83102: Support for IVO t109nw41 MIPI-DSI panel")
Signed-off-by: default avatarCong Yang <yangcong5@huaqin.corp-partner.google.com>
Reviewed-by: default avatarDouglas Anderson <dianders@chromium.org>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarDouglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241011020819.1254157-1-yangcong5@huaqin.corp-partner.google.com
parent c5e8e938

drivers/gpu/drm/panel/panel-himax-hx83102.c

+6 −6
Original line number Diff line number Diff line
@@ -298,7 +298,7 @@ static int ivo_t109nw41_init(struct hx83102 *ctx) 
	msleep(60);



	hx83102_enable_extended_cmds(&dsi_ctx, true);

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83102_SETPOWER, 0x2c, 0xed, 0xed, 0x0f, 0xcf, 0x42,

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83102_SETPOWER, 0x2c, 0xed, 0xed, 0x27, 0xe7, 0x52,

				     0xf5, 0x39, 0x36, 0x36, 0x36, 0x36, 0x32, 0x8b, 0x11, 0x65, 0x00, 0x88,

				     0xfa, 0xff, 0xff, 0x8f, 0xff, 0x08, 0xd6, 0x33);

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83102_SETDISP, 0x00, 0x47, 0xb0, 0x80, 0x00, 0x12,
@@ -343,11 +343,11 @@ static int ivo_t109nw41_init(struct hx83102 *ctx) 
				     0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

				     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

				     0x00, 0x00, 0x00, 0x00, 0x00, 0x00);

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83102_SETGMA, 0x04, 0x04, 0x06, 0x0a, 0x0a, 0x05,

				     0x12, 0x14, 0x17, 0x13, 0x2c, 0x33, 0x39, 0x4b, 0x4c, 0x56, 0x61, 0x78,

				     0x7a, 0x41, 0x50, 0x68, 0x73, 0x04, 0x04, 0x06, 0x0a, 0x0a, 0x05, 0x12,

				     0x14, 0x17, 0x13, 0x2c, 0x33, 0x39, 0x4b, 0x4c, 0x56, 0x61, 0x78, 0x7a,

				     0x41, 0x50, 0x68, 0x73);

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83102_SETGMA, 0x00, 0x07, 0x10, 0x17, 0x1c, 0x33,

				     0x48, 0x50, 0x57, 0x50, 0x68, 0x6e, 0x71, 0x7f, 0x81, 0x8a, 0x8e, 0x9b,

				     0x9c, 0x4d, 0x56, 0x5d, 0x73, 0x00, 0x07, 0x10, 0x17, 0x1c, 0x33, 0x48,

				     0x50, 0x57, 0x50, 0x68, 0x6e, 0x71, 0x7f, 0x81, 0x8a, 0x8e, 0x9b, 0x9c,

				     0x4d, 0x56, 0x5d, 0x73);

	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83102_SETTP1, 0x07, 0x10, 0x10, 0x1a, 0x26, 0x9e,

				     0x00, 0x4f, 0xa0, 0x14, 0x14, 0x00, 0x00, 0x00, 0x00, 0x12, 0x0a, 0x02,

				     0x02, 0x00, 0x33, 0x02, 0x04, 0x18, 0x01);