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Commit 119b953a authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat
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viafb: improve lcd code readability 



viafb: improve lcd code readability

This changes the code to better reflect that we can (currently) only
perform upscaling.

Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
parent 4a73d70e

drivers/video/via/lcd.c

+4 −5
Original line number Diff line number Diff line
@@ -437,7 +437,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, 
	viafb_write_reg_mask(CR79, VIACR, 0x07, BIT0 + BIT1 + BIT2);



	/* Check if expansion for horizontal */

	if (set_hres != panel_hres) {

	if (set_hres < panel_hres) {

		/* Load Horizontal Scaling Factor */

		switch (viaparinfo->chip_info->gfx_chip_name) {

		case UNICHROME_CLE266:
@@ -477,7 +477,7 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, 
	}



	/* Check if expansion for vertical */

	if (set_vres != panel_vres) {

	if (set_vres < panel_vres) {

		/* Load Vertical Scaling Factor */

		switch (viaparinfo->chip_info->gfx_chip_name) {

		case UNICHROME_CLE266:
@@ -643,9 +643,8 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, 
				 (mode_crt_reg, panel_crt_reg), IGA1);

	} else {

		/* Expansion */

		if ((plvds_setting_info->display_method ==

		     LCD_EXPANDSION) & ((set_hres != panel_hres)

					|| (set_vres != panel_vres))) {

		if (plvds_setting_info->display_method == LCD_EXPANDSION

			&& (set_hres < panel_hres || set_vres < panel_vres)) {

			/* expansion timing IGA2 loaded panel set timing*/

			viafb_load_crtc_timing(panel_crt_reg, IGA2);

			DEBUG_MSG(KERN_INFO "viafb_load_crtc_timing!!\n");