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Commit c5593d26 authored by Florian Tobias Schandinat's avatar Florian Tobias Schandinat
Browse files

viafb: add primary/secondary clock on/off switches 



This patch adds functions to enable/disable the display clocks.
It also fixes a tiny bug that slipped in with a previous commit but
could not yet have caused any problems.

Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
parent 6c1093af

drivers/video/via/hw.c

+37 −1
Original line number Diff line number Diff line
@@ -1409,6 +1409,42 @@ void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active) 


}



static void set_primary_clock_state(u8 state)

{

	u8 value;



	switch (state) {

	case VIA_STATE_ON:

		value = 0x20;

		break;

	case VIA_STATE_OFF:

		value = 0x00;

		break;

	default:

		return;

	}



	via_write_reg_mask(VIASR, 0x1B, value, 0x30);

}



static void set_secondary_clock_state(u8 state)

{

	u8 value;



	switch (state) {

	case VIA_STATE_ON:

		value = 0x80;

		break;

	case VIA_STATE_OFF:

		value = 0x00;

		break;

	default:

		return;

	}



	via_write_reg_mask(VIASR, 0x1B, value, 0xC0);

}



static void set_primary_pll_state(u8 state)

{

	u8 value;
@@ -1442,7 +1478,7 @@ static void set_secondary_pll_state(u8 state) 
		return;

	}



	via_write_reg_mask(VIASR, 0x2D, value, 0x08);

	via_write_reg_mask(VIASR, 0x2D, value, 0x0C);

}



static u32 cle266_encode_pll(struct pll_config pll)