diff options
Diffstat (limited to 'src/mainboard/google/brya/variants/anraggar/variant.c')
| -rw-r--r-- | src/mainboard/google/brya/variants/anraggar/variant.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/anraggar/variant.c b/src/mainboard/google/brya/variants/anraggar/variant.c index 06156187aa..a9a5589169 100644 --- a/src/mainboard/google/brya/variants/anraggar/variant.c +++ b/src/mainboard/google/brya/variants/anraggar/variant.c @@ -5,6 +5,11 @@ #include <fw_config.h> #include <sar.h> #include <soc/gpio_soc_defs.h> +#include <intelblocks/graphics.h> + +/* Per-pipe DDI Function Control 2 */ +#define TRANS_DDI_FUNC_CTL2_A 0x60404 +#define TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS (3 << 6) const char *get_wifi_sar_cbfs_filename(void) { @@ -37,3 +42,16 @@ void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config) config->typec_aux_bias_pads[1].pad_auxn_dc = GPP_E23; } } + +void variant_finalize(void) +{ + /* + * Panel CSOT MNB601LS1-3 will flicker once during enter Chrome login screen, + * it is because it inserts 12 blank frames if it receives the unmute in VB-ID. + * + * Always override the mute in VB-ID to avoid Tcon EC detected the + * audiomute_flag change. + */ + graphics_gtt_rmw(TRANS_DDI_FUNC_CTL2_A, ~TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS, + TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS); +} |