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| author | Eric Yang <Eric.Yang2@amd.com> | 2019-09-06 18:26:23 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-10 19:33:07 -0500 |
| commit | ab4a4072f260162284c15789329522a6773023ed (patch) | |
| tree | be4c1538300bdb74d9a8f9c9c71e2b7fd9cdb4a2 /drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | |
| parent | edb922b022c0c94805c4ffad202b3edff83d76f0 (diff) | |
| download | linux-stable-ab4a4072f260162284c15789329522a6773023ed.tar.gz linux-stable-ab4a4072f260162284c15789329522a6773023ed.tar.bz2 linux-stable-ab4a4072f260162284c15789329522a6773023ed.zip | |
drm/amd/display: exit PSR during detection
[Why]
If 48mhz refclk is turned off during PSR, we will have issue doing
link training during detection.
[How]
Get out of PSR before detection
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h index 2fdd0ba93beb..f0f3d42a0b6f 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h @@ -189,6 +189,7 @@ struct clk_mgr { struct dc_context *ctx; struct clk_mgr_funcs *funcs; struct dc_clocks clks; + bool psr_allow_active_cache; int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes #ifdef CONFIG_DRM_AMD_DC_DCN2_1 struct clk_bw_params *bw_params; @@ -202,4 +203,8 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr); +void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr); + +void clk_mgr_optimize_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr); + #endif /* __DAL_CLK_MGR_H__ */ |