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nb/intel/gm45: Make fetching the blc_pwm freq global 

This can be used to select the proper VBT.

Change-Id: Id3f6ba3ae31a5ab47f44d207678c1c4a6a43b7ec
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/29925
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Arthur Heymans 2018-11-29 12:25:31 +01:00 committed by Patrick Georgi
parent c679b1f333
commit 4d2d171f02
2 changed files with 2 additions and 1 deletions
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1
src/northbridge/intel/gm45/gm45.h
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@ -442,6 +442,7 @@ struct blc_pwm_t {
int pwm_freq; /* In Hz */ int pwm_freq; /* In Hz */
}; };
int get_blc_values(const struct blc_pwm_t **entries); int get_blc_values(const struct blc_pwm_t **entries);
u16 get_blc_pwm_freq_value(const char *edid_ascii_string);
#if ENV_RAMSTAGE && !defined(__SIMPLE_DEVICE__) #if ENV_RAMSTAGE && !defined(__SIMPLE_DEVICE__)

2
src/northbridge/intel/gm45/gma.c
View File

@ -668,7 +668,7 @@ static u32 freq_to_blc_pwm_ctl(struct device *const dev,
return (blc_mod << 16) | blc_mod; return (blc_mod << 16) | blc_mod;
} }
static u16 get_blc_pwm_freq_value(const char *edid_ascii_string) u16 get_blc_pwm_freq_value(const char *edid_ascii_string)
{ {
static u16 blc_pwm_freq; static u16 blc_pwm_freq;
const struct blc_pwm_t *blc_pwm; const struct blc_pwm_t *blc_pwm;