[S] Change in coreboot[master]: nb/intel/gm45/gma: Use res2mmio() directly for GTT access

[Felix Singer (Code Review)]

Felix Singer has submitted this change. ( https://review.coreboot.org/c/coreboot/+/75377 )

Change subject: nb/intel/gm45/gma: Use res2mmio() directly for GTT access
......................................................................

nb/intel/gm45/gma: Use res2mmio() directly for GTT access

This is how res2mmio() is supposed to be used and there was no other
use of the `mmio` variable left anyway.

Change-Id: Ifa4645bcc9ae971966587d9b67662b9dc8bae3d0
Signed-off-by: Nico Huber 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75377
Tested-by: build bot (Jenkins) 
Reviewed-by: Arthur Heymans 
Reviewed-by: Felix Singer 
---
M src/northbridge/intel/gm45/gma.c
1 file changed, 18 insertions(+), 4 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Arthur Heymans: Looks good to me, approved
  Felix Singer: Looks good to me, approved

diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c
index ef7b872..6034ae3 100644
--- a/src/northbridge/intel/gm45/gma.c
+++ b/src/northbridge/intel/gm45/gma.c
@@ -172,7 +172,6 @@

static void gma_func0_init(struct device *dev)
 {
-	u8 *mmio;
    const struct northbridge_intel_gm45_config *const conf = dev->chip_info;
    const char *edid_str;

@@ -188,14 +187,12 @@
    if (!edid_str)
    	printk(BIOS_ERR, "Failed to obtain LVDS EDID string!\n");

-	mmio = res2mmio(gtt_res, 0, 0);
-
    /*
     * GTT base is at a 2M offset and is 2M big. If GTT is smaller than 2M
     * cycles are simply not decoded which is fine.
     */
    pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
-	memset(mmio + 2 * MiB, 0, 2 * MiB);
+	memset(res2mmio(gtt_res, 2*MiB, 0), 0, 2*MiB);

if (CONFIG(NO_GFX_INIT))
    	pci_and_config16(dev, PCI_COMMAND, ~PCI_COMMAND_MASTER);