diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c index 9235f7d29454..c0b21d7450d4 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c @@ -562,19 +562,23 @@ void hubbub2_get_dchub_ref_freq(struct hubbub *hubbub, } } -static void hubbub2_program_watermarks( +static bool hubbub2_program_watermarks( struct hubbub *hubbub, struct dcn_watermark_set *watermarks, unsigned int refclk_mhz, bool safe_to_lower) { struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub); + bool wm_pending = false; /* * Need to clamp to max of the register values (i.e. no wrap) * for dcn1, all wm registers are 21-bit wide */ - hubbub1_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower); - hubbub1_program_stutter_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower); + if (hubbub1_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; + + if (hubbub1_program_stutter_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; /* * There's a special case when going from p-state support to p-state unsupported @@ -592,6 +596,7 @@ static void hubbub2_program_watermarks( REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND, DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 180); hubbub->funcs->allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter); + return wm_pending; } static const struct hubbub_funcs hubbub2_funcs = { |