OSDN Git Service

drm/amd/display: dal-pplib interface refactor dal part
authorhersen wu <hersenxs.wu@amd.com>
Wed, 28 Nov 2018 21:57:56 +0000 (16:57 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 14 Jan 2019 20:41:01 +0000 (15:41 -0500)
commit588715bdcfbc2592f50b433a3ebaac72014d5fb4
tree38bc126a261f5843a98d11452fc0c351b2efb64b
parent077d0b6ba2114b86d353fce4eaca6cfb2e344eb6
drm/amd/display: dal-pplib interface refactor dal part

[WHY] clarify dal input parameters to pplib interface, remove
un-used parameters. dal knows exactly which parameters needed
and their effects at pplib and smu sides.

current dal sequence for dcn1_update_clock to pplib:

1.smu10_display_clock_voltage_request for dcefclk
2.smu10_display_clock_voltage_request for fclk
3.phm_store_dal_configuration_data {
   set_min_deep_sleep_dcfclk
   set_active_display_count
   store_cc6_data --- this data never be referenced

new sequence will be:

1. set_display_count  --- need add new pplib interface
2. set_min_deep_sleep_dcfclk -- new pplib interface
3. set_hard_min_dcfclk_by_freq
4. set_hard_min_fclk_by_freq

after this code refactor, smu10_display_clock_voltage_request,
phm_store_dal_configuration_data will not be needed for rv.

Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c