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nb/i945: Fix gate graphics hardware for frequency change 

The GCFC (Graphics Clock Frequency Control) read is not used at
the line below.
As the default value is zero, let's remove unused read.

Found-by: scan-build 7.0.1-8
Change-Id: I82c567e3a5b0c0c4a8596ea0cb7693667c71b720
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34329
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Elyes HAOUAS 2019-07-14 08:24:57 +02:00 committed by Nico Huber
parent b944516f66
commit 4593d66a20
1 changed files with 0 additions and 1 deletions
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src/northbridge/intel/i945/raminit.c
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@ -1657,7 +1657,6 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo)
printk(BIOS_DEBUG, "Voltage: %s ", (voltage == VOLTAGE_1_05)?"1.05V":"1.5V");
/* Gate graphics hardware for frequency change */
reg8 = pci_read_config16(PCI_DEV(0, 2, 0), GCFC + 1);
reg8 = (1<<3) | (1<<1); /* disable crclk, gate cdclk */
pci_write_config8(PCI_DEV(0, 2, 0), GCFC + 1, reg8);