diff options
| author |   Chris Park <Chris.Park@amd.com> | 2021-03-19 14:55:12 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:49:03 -0400 |
| commit | 6213044059d2d54046c63757754ddb99d4d302de (patch) | |
| tree | d7ee6d19c145a445a99f4bdd5023f9cd9eb23779 | |
| parent | drm/amd/display: [FW Promotion] Release 0.0.58 (diff) | |
drm/amd/display: Disable MALL when SMU not present
[Why]
Bring-up purpose code to disable DMUB calling into
SMU and timeout for MALL when SMU is not present.
[How]
Disable MALL when SMU is not present.
Signed-off-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | 3 |
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c index 81ea5d3a1947..577e7f97045e 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c @@ -432,6 +432,12 @@ static void dcn3_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) clk_mgr->base.ctx->dc, clk_mgr_base->bw_params); } +static bool dcn3_is_smu_prsent(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + return clk_mgr->smu_present; +} + static bool dcn3_are_clock_states_equal(struct dc_clocks *a, struct dc_clocks *b) { @@ -494,6 +500,7 @@ static struct clk_mgr_funcs dcn3_funcs = { .are_clock_states_equal = dcn3_are_clock_states_equal, .enable_pme_wa = dcn3_enable_pme_wa, .notify_link_rate_change = dcn30_notify_link_rate_change, + .is_smu_present = dcn3_is_smu_prsent }; static void dcn3_init_clocks_fpga(struct clk_mgr *clk_mgr) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 91784bba5264..a270879cbaba 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3257,6 +3257,10 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow) if (dc->debug.disable_idle_power_optimizations) return; + if (dc->clk_mgr->funcs->is_smu_present) + if (!dc->clk_mgr->funcs->is_smu_present(dc->clk_mgr)) + return; + if (allow == dc->idle_optimizations_allowed) return; 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 4e94f2dec572..5dc8d02b40c3 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 @@ -262,6 +262,9 @@ struct clk_mgr_funcs { /* Get current memclk states from PMFW, update relevant structures */ void (*get_memclk_states_from_smu)(struct clk_mgr *clk_mgr); + + /* Get SMU present */ + bool (*is_smu_present)(struct clk_mgr *clk_mgr); }; struct clk_mgr { |