diff options
| author |   Charlene Liu <charlene.liu@amd.com> | 2019-06-27 18:16:21 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-07-18 14:27:25 -0500 |
| commit | 925f566cb7aedbcf26005035cf894ec824e8ca2f (patch) | |
| tree | 06f5ac58c76e29af2bfce31f2adbf3787ae7bbda /drivers/gpu/drm/amd/display/dc/core/dc.c | |
| parent | drm/amd/display: allocate 4 ddc engines for RV2 (diff) | |
| download | linux-dev-925f566cb7aedbcf26005035cf894ec824e8ca2f.tar.xz linux-dev-925f566cb7aedbcf26005035cf894ec824e8ca2f.zip | |
drm/amd/display: add set and get clock for testing purposes
add dc_set_clock
add dc_get_clock
this is for testing and diagnostics to get/set DPPCLK and DISPCLK.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index a8516deb5ac3..c86c86c07fd9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2431,3 +2431,14 @@ void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx info->fClock = (unsigned int)state->bw_ctx.bw.dcn.clk.fclk_khz; info->phyClock = (unsigned int)state->bw_ctx.bw.dcn.clk.phyclk_khz; } +enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping) +{ + if (dc->hwss.set_clock) + return dc->hwss.set_clock(dc, clock_type, clk_khz, stepping); + return DC_ERROR_UNEXPECTED; +} +void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg) +{ + if (dc->hwss.get_clock) + dc->hwss.get_clock(dc, clock_type, clock_cfg); +} |