diff options
| author | Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com> | 2018-07-17 11:53:54 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-27 09:07:42 -0500 |
| commit | f358b39d187500717b4bc8633cef45d87eff0a3e (patch) | |
| tree | d4b5e7ea455eafaf86d6c4c6e96b8e988bdbff9f /drivers/gpu/drm/amd/display/dc/dce110 | |
| parent | 65c78961b30005447a0d9b285de93354d8308f34 (diff) | |
drm/amd/display: Fix Vega10 black screen after mode change
[Why]
The sequence is slightly changed when bring .set_bandwidth out
from the end of programming backend to the end of programming
surface. Vega10 doesn't like to get clocks updated if
stream_count is zero in the current context (Atomic Reset).
[How]
Do not update clocks if no stream is showing up in the context.
Fixes 1b2b130192 "dc: Remove 300Mhz minimum disp clk limit."
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@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/dce110')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 33a14e163f88..1149c413f6d2 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -2552,7 +2552,7 @@ static void pplib_apply_display_requirements( dc->prev_display_config = *pp_display_cfg; } -static void dce110_set_bandwidth( +void dce110_set_bandwidth( struct dc *dc, struct dc_state *context, bool decrease_allowed) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h index d6db3dbd9015..e4c5db75c4c6 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h @@ -68,6 +68,11 @@ void dce110_fill_display_configs( const struct dc_state *context, struct dm_pp_display_configuration *pp_display_cfg); +void dce110_set_bandwidth( + struct dc *dc, + struct dc_state *context, + bool decrease_allowed); + uint32_t dce110_get_min_vblank_time_us(const struct dc_state *context); void dp_receiver_power_ctrl(struct dc_link *link, bool on); |