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broadwell: Only do pre-graphics delay when running option rom

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This changes the broadwell graphics init path to only do the delay
before initializing graphics when running chromeos if we are also
going to execute the option rom.

BUG=chrome-os-partner:33671
BRANCH=samus
TEST=build and boot on samus

Change-Id: I350f85738efe3d17152de4f025adbfd52ae15b95
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/228882
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Duncan Laurie 2014-11-10 13:00:27 -08:00 • committed by chrome-internal-fetch
commit f7ed93504a
1 changed files with 7 additions and 1 deletions
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8
src/soc/intel/broadwell/igd.c
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@ -32,6 +32,7 @@
#include <soc/ramstage.h>
#include <soc/systemagent.h>
#include <soc/intel/broadwell/chip.h>
#include <vendorcode/google/chromeos/chromeos.h>
#define GT_RETRY 1000
#define GT_CDCLK_337 0
@ -475,7 +476,6 @@ static void igd_init(struct device *dev)
{
int is_broadwell = !!(cpu_family_model() == BROADWELL_FAMILY_ULT);
u32 rp1_gfx_freq;
extern int oprom_is_loaded;
/* IGD needs to be Bus Master */
u32 reg32 = pci_read_config32(dev, PCI_COMMAND);
@ -487,7 +487,13 @@ static void igd_init(struct device *dev)
return;
/* Wait for any configured pre-graphics delay */
#if IS_ENABLED(CONFIG_CHROMEOS)
if (developer_mode_enabled() || recovery_mode_enabled() ||
vboot_wants_oprom())
mdelay(CONFIG_PRE_GRAPHICS_DELAY);
#else
mdelay(CONFIG_PRE_GRAPHICS_DELAY);
#endif
/* Early init steps */
if (is_broadwell) {