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drm/amd/display: Set dispclk and dprefclock directly

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[Why]
To simply logic for setting DCN specific clocks, we will send
SMU message directly through the VBIOS message box.

[How]
Add new structure in pp_smu to hold functions to set clocks
through vbios message box

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Yang
2019-04-03 15:40:05 -04:00
committed by Alex Deucher
parent 4cd75ff096
commit 21e471f085
8 changed files with 136 additions and 23 deletions
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2
drivers/gpu/drm/amd/display/dc/dm_pp_smu.h
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@@ -80,6 +80,7 @@ struct pp_smu_funcs_rv {
/* PPSMC_MSG_SetDisplayCount
* 0 triggers S0i2 optimization
*/
void (*set_display_count)(struct pp_smu *pp, int count);
/* reader and writer WM's are sent together as part of one table*/
@@ -115,7 +116,6 @@ struct pp_smu_funcs_rv {
/* PME w/a */
void (*set_pme_wa_enable)(struct pp_smu *pp);
};
struct pp_smu_funcs {